eTravel Essential 1.2 - BAC, EAC and AA activated Common Criteria Security Target – Public version EAL 5+ Public Security Target eTravel Essential 1.2 – BAC, EAC and AA activated ST Applicable on: 26/03/2021 Ref: D1521485 Rev: 1.1p Page : 1 / 101 UPDATES Rel Date Author Modification 1.1p 26/03/2021 THALES Created from evaluated ST (V1.1p) Public Security Target eTravel Essential 1.2 – BAC, EAC and AA activated ST Applicable on: 26/03/2021 Ref: D1521485 Rev: 1.1p Page : 2 / 101 CONTENT 1. ST INTRODUCTION................................................................................................................................... 5 1.1 ST IDENTIFICATION ................................................................................................................................. 5 1.2 TOE IDENTIFICATION .............................................................................................................................. 5 1.3 ST OVERVIEW .......................................................................................................................................... 6 1.4 REFERENCES ............................................................................................................................................ 7 1.4.1 External References......................................................................................................................... 7 1.4.2 Internal References ......................................................................................................................... 9 1.5 TOE OVERVIEW..................................................................................................................................... 10 1.5.1 TOE definition............................................................................................................................... 10 1.5.2 TOE boundaries ............................................................................................................................ 10 1.5.3 TOE usage and security features for operational use ................................................................... 12 1.5.3.1 MRTD application..................................................................................................................................... 12 1.5.3.2 ES Update concept..................................................................................................................................... 14 1.5.4 TOE Life-cycle .............................................................................................................................. 14 1.5.4.1 Four phases................................................................................................................................................ 14 1.5.4.2 Actors ........................................................................................................................................................ 15 1.5.4.3 Thales is in charge of ES loading/initialization/pre-personalization.......................................................... 17 1.5.4.4 IC manufacturer is in charge of ES loading/initialization/pre-personalization .......................................... 18 1.5.5 Non-TOE hardware/software/firmware required by the TOE....................................................... 19 2. CONFORMANCE CLAIMS ..................................................................................................................... 20 2.1 CC CONFORMANCE CLAIM .................................................................................................................... 20 2.2 PP CLAIM............................................................................................................................................... 20 2.3 PACKAGE CLAIM.................................................................................................................................... 20 3. SECURITY PROBLEM DEFINITION.................................................................................................... 21 3.1 INTRODUCTION ...................................................................................................................................... 21 3.1.1 Assets............................................................................................................................................. 21 3.1.1.1 MRTD assets ............................................................................................................................................. 21 3.1.1.2 ES Update assets........................................................................................................................................ 21 3.1.2 Subjects ......................................................................................................................................... 23 3.1.2.1 MRTD subjects.......................................................................................................................................... 23 3.1.2.2 ES Update external entities and subjects ................................................................................................... 24 3.2 ASSUMPTIONS ........................................................................................................................................ 25 3.2.1.1 MRTD assumptions................................................................................................................................... 25 3.2.1.2 ES Update assumptions ............................................................................................................................. 26 3.3 THREATS................................................................................................................................................ 27 3.3.1.1 MRTD threats............................................................................................................................................ 27 3.3.1.2 ES Update threats ...................................................................................................................................... 29 3.4 ORGANIZATIONAL SECURITY POLICIES.................................................................................................. 30 3.4.1.1 MRTD OSP ............................................................................................................................................... 30 3.4.1.2 ES Update OSP......................................................................................................................................... 30 3.5 COMPATIBILITY BETWEEN SECURITY ENVIRONMENTS OF [ST_BAC_EAC] AND [ST-IC] ..................... 31 3.5.1 Compatibility between threats of [ST_BAC_EAC] and [ST-IC]................................................... 31 3.5.2 Compatibility between OSP of [ST_BAC_EAC] and [ST-IC]....................................................... 31 3.5.3 Compatibility between assumptions of [ST_BAC_EAC] and [ST-IC] .......................................... 31 4. SECURITY OBJECTIVES........................................................................................................................ 32 4.1 SECURITY OBJECTIVES FOR THE TOE.................................................................................................... 32 4.1.1 MRTD Security objectives............................................................................................................. 32 4.1.2 ES Update Security objectives....................................................................................................... 34 4.2 SECURITY OBJECTIVES FOR THE OPERATIONAL ENVIRONMENT ............................................................ 35 4.2.1 MRTD Security objectives for operational environment............................................................... 35 4.2.2 ES Update Security objectives for operational environment......................................................... 37 4.3 SECURITY OBJECTIVE RATIONALE......................................................................................................... 39 4.3.1 Rationale between objectives and threats, assumptions, OSP ...................................................... 39 4.3.2 Compatibility between objectives of [ST_BAC_EAC] and [ST-IC] .............................................. 43 4.3.2.1 Compatibility between objectives for the TOE.......................................................................................... 43 4.3.2.2 Compatibility between objectives for the environment ............................................................................. 43 4.3.3 Justifications for adding objectives on the environment ............................................................... 43 4.3.3.1 Additions to [PP-MRTD-EAC] ................................................................................................................. 43 Public Security Target eTravel Essential 1.2 – BAC, EAC and AA activated ST Applicable on: 26/03/2021 Ref: D1521485 Rev: 1.1p Page : 3 / 101 4.3.3.2 Addition for ES Update feature ................................................................................................................. 43 5. EXTENDED COMPONENTS DEFINITION.......................................................................................... 44 5.1 DEFINITION OF THE FAMILY FAU_SAS................................................................................................. 44 5.2 DEFINITION OF THE FAMILY FCS_RND................................................................................................. 45 5.3 DEFINITION OF THE FAMILY FIA_API ................................................................................................... 46 5.4 DEFINITION OF THE FAMILY FMT_LIM................................................................................................. 47 5.5 DEFINITION OF THE FAMILY FPT_EMS................................................................................................. 49 6. SECURITY REQUIREMENTS ................................................................................................................ 50 6.1 SECURITY FUNCTIONAL REQUIREMENTS FOR THE TOE......................................................................... 52 6.1.1 SFR for MRTD application ........................................................................................................... 52 6.1.1.1 Class FAU Security Audit ......................................................................................................................... 52 6.1.1.2 Class Cryptographic Support (FCS) .......................................................................................................... 52 6.1.1.3 Class FIA Identification and Authentication ............................................................................................. 57 6.1.1.4 Class FDP User Data Protection................................................................................................................ 61 6.1.1.5 Class FMT Security Management ............................................................................................................. 63 6.1.1.6 Class FPT Protection of the Security Functions ........................................................................................ 68 6.1.2 SFR for ES Update........................................................................................................................ 70 6.2 SECURITY ASSURANCE REQUIREMENTS FOR THE TOE.......................................................................... 74 6.3 SECURITY REQUIREMENTS RATIONALE ................................................................................................. 75 6.3.1 Security Functional Requirements Rationale................................................................................ 75 6.3.2 Dependency Rationale................................................................................................................... 80 6.3.3 Security Assurance Requirements Rationale................................................................................. 82 6.3.4 Security Requirements – Mutual support and internal consistency .............................................. 83 6.3.5 Compatibility between SFR of [ST_BAC_EAC] and [ST-IC] ....................................................... 83 6.3.6 Compatibility between SAR of [ST_BAC_EAC] and [ST-IC] ....................................................... 85 7. TOE SUMMARY SPECIFICATION ....................................................................................................... 86 7.1 TOE SECURITY FUNCTIONS ................................................................................................................... 86 7.1.1 TSFs provided by the Etravel Essential 1.2 Software for MRTD Application............................... 86 7.1.2 TSFs provided by the Etravel Essential 1.2 Software for ES Update............................................ 87 7.1.3 TSFs provided by the IC................................................................................................................ 89 8. RATIONALES ............................................................................................................................................ 90 8.1 TOE SUMMARY SPECIFICATION RATIONALE .......................................................................................... 90 8.1.1 TOE security functions rationale .................................................................................................. 90 9. GLOSSARY AND ACRONYMS............................................................................................................... 96 Public Security Target eTravel Essential 1.2 – BAC, EAC and AA activated ST Applicable on: 26/03/2021 Ref: D1521485 Rev: 1.1p Page : 4 / 101 FIGURES Figure 1: TOE Boundary....................................................................................................................................... 11 Figure 2: Life cycle where Thales is in charge of ES loading/initialization/pre-personalization.......................... 17 Figure 3: LC where IC manufacturer is in charge of ES loading/initialization/pre-personalization ..................... 18 TABLES Table 1: Identification of the actors ...................................................................................................................... 16 Table 2: Security Objective for MRTD Application Rationale............................................................................. 39 Table 3: Security Objective for ES Update Rationale........................................................................................... 42 Table 4: MRTD security attributes........................................................................................................................ 50 Table 5: MRTD Keys and Certificates.................................................................................................................. 51 Table 6: FCS_CKM.1/CA refinement .................................................................................................................. 52 Table 7: FCS_CKM.1/AA&CA refinement.......................................................................................................... 53 Table 8: FCS_CKM.1/PERSO refinement............................................................................................................ 53 Table 9: FCS_COP.1/SYM refinements ............................................................................................................... 54 Table 10: FCS_COP.1/SIG_VER refinements ..................................................................................................... 55 Table 11: FCS_COP.1/CA_MAC refinements ..................................................................................................... 55 Table 12: FCS_COP.1/ PERSO refinements ........................................................................................................ 55 Table 13: FCS_COP.1/AA refinements ................................................................................................................ 56 Table 14: Overview on authentication SFR .......................................................................................................... 57 Table 15: FIA_AFL.1/PERSO refinements .......................................................................................................... 57 Table 16: FPT_TST refinements........................................................................................................................... 69 Table 17: FPT_TST refinements........................................................................................................................... 73 Table 18: Security Functional Requirement rationale for MRTD application ...................................................... 76 Table 19: Security Functional Requirement rationale for ES update.................................................................... 78 Table 20: Security Functional Requirement dependencies for MRTD application............................................... 81 Table 21: Security Functional Requirement dependencies for ES Update............................................................ 82 Table 22: SAR Dependencies ............................................................................................................................... 82 Table 23: Compatibility between SFR of [ST_BAC_EAC] and [ST-IC] ....................................................... 84 Table 24: Security Functions for MRTD Application provided by eTravel Essential 1.2 Software ..................... 86 Table 25: Security Functions for ES Update......................................................................................................... 87 Table 26: Security Functions provided by the PEGASUS_CB_05 chip.............................................................. 89 Table 27: Rationale table of SFR and security functions of MRTD application................................................... 91 Table 28: Rationale table of SFR and security functions of ES Update................................................................ 94 Public Security Target eTravel Essential 1.2 – BAC, EAC and AA activated ST Applicable on: 26/03/2021 Ref: D1521485 Rev: 1.1p Page : 5 / 101 1. ST INTRODUCTION 1.1 ST IDENTIFICATION Title: Public Security Target eTravel Essential 1.2 – BAC, EAC and AA activated Version: 1.1p ST reference: D1521485 PP reference [PP-MRTD-EAC]. Origin: Thales Product identification: eTravel Essential 1.2 (release A) Security Controller: PEGASUS_CB_05 TOE Reference: eTravel Essential 1.2 (release ‘0300’) including TOE documentation (release A.1) TOE Configuration: Configuration with EAC on BAC + AA application TOE documentation: TOE documentation set (release A.1) with  Operational User Guidance [OPE_MRTD] version 0.5  Preparative procedures [PRE_MRTD] version 0.5 IT Security Evaluation scheme: Serma Safety & Security IT Security Certification scheme: Agence Nationale de la Sécurité des Systèmes d’Information (ANSSI) 1.2 TOE IDENTIFICATION The TOE identification is obtained by comparison of the Card Production Life Cycle Data (CPLCD) of the TOE, located in non-volatile memory with information provided in guidance. Identification data and dedicated command are described in the §1.1 of TOE guidance [AGD_OPE]. The TOE and the product differ, as further explained in §1.5.1 TOE definition. Public Security Target eTravel Essential 1.2 – BAC, EAC and AA activated ST Applicable on: 26/03/2021 Ref: D1521485 Rev: 1.1p Page : 6 / 101 1.3 ST OVERVIEW Thales has developed an eTravel application with all the mandatory features for ePassport specified by ICAO and EU, as well as e-Driving licence specified by [ISO 18013-3] and EU regulation 383/2012, resident permit as specified in EU regulation 2017/1954, identity card as specified in EU regulation 2019/1157. The ST is based on Protection Profile Machine Readable Travel Document with “ICAO Application”, Extended Access Control [PP-MRTD-EAC]. The Target of Evaluation (TOE) is the contact/contactless integrated circuit chip of machine readable travel documents (MRTD’s chip) based on the requirements of the International Civil Aviation Organization (ICAO). More specifically the TOE consists of operating system of MRTD’s chip with ICAO application. The TOE is programmed according to Logical Data Structure as defined in [ICAO-9303]. This Security Target defines the security requirements for the TOE. The main security objective is to provide the secure enforcing functions and mechanisms to maintain the integrity and confidentiality of the MRTD application and data during its life cycle. The main objectives of this ST are:  To introduce TOE and the MRTD application,  To define the scope of the TOE and its security features,  To describe the security environment of the TOE, including the assets to be protected and the threats to be countered by the TOE and its environment during the product development, production and usage.  To describe the security objectives of the TOE and its environment supporting in terms of integrity and confidentiality of application data and programs and of protection of the TOE.  To specify the security requirements which includes the TOE security functional requirements, the TOE assurance requirements and  To describe the TOE security features answering to such requirements. Public Security Target eTravel Essential 1.2 – BAC, EAC and AA activated ST Applicable on: 26/03/2021 Ref: D1521485 Rev: 1.1p Page : 7 / 101 1.4 REFERENCES 1.4.1 External References [ANSI X9.42] ANSI X9.42 Agreement of Symmetric Keys Using Discrete Logarithm Cryptography [ASM-EAC] Technical Guideline – Advanced Security Mechanisms for Machine Readable Travel Documents – Extended Access Control (EAC), Version 1.0, TR-03110 [BIO] BIOMETRICS DEPLOYMENT OF MACHINE READABLE TRAVEL DOCUMENTS, Technical Report, Development and Specification of Globally Interoperable Biometric Standards for Machine Assisted Identity Confirmation using Machine Readable Travel Documents, Version 2.0, ICAO TAG MRTD/NTWG, 21 May 2004 [CC-1] Common Criteria for Information Technology Security Evaluation Part 1: Introduction and general model, CCMB-2012-09-001, Version 3.1, Revision 5, April 2017 [CC-2] Common Criteria for Information Technology Security Evaluation Part 2: Security functional components, CCMB-2012-09-002, Version 3.1, Revision 5, April 2017 [CC-3] Common Criteria for Information Technology Security Evaluation Part 3: Security assurance components, CCMB-2012-09-003, Version 3.1, Revision 5, April 2017 [CEM] Common Methodology for Information Technology Security Evaluation Methodology CCMB-2012-09-004, Version 3.1, Revision 5, April 2017 [JIL_SRCL] Joint Interpretation Library – Security requirements for post-delivery code loading – Version 1.0, February 2016 [RGS-B1] Référentiel général de sécurité version 2.0 Annexe B1 Mécanismes cryptographiques…version 2.03 du 21 février 2014 [ST-IC] [ST-IC-PEGASUS_CB_05] [ST-IC- PEGASUS_C B_05] PEGASUS_CB_05_ST_Security_Target_Lite – Rev 0.4 – 29th October 2020 [CR-IC] [CR-IC-PEGASUS_CB_05] [CR-IC- PEGASUS_C B_05] Certification Report, ANSSI-CC-2020/34-M01 (18-02-2021) [FIPS180-2] Federal Information Processing Standards Publication 180-2 SECURE HASH STANDARD (+Change Notice to include SHA-224), U.S. DEPARTMENT OF COMMERCE/National Institute of Standards and Technology, 2002 August 1 [FIPS46-3] Federal Information Processing Standards Publication FIPS PUB 46-3, DATA ENCRYPTION STANDARD (DES), U.S. DEPARTMENT OF COMMERCE/National Institute of Standards and Technology, Reaffirmed 1999 October 25 [FIPS_197] FIPS 197, Federal Information Processing Standards Publication (FIPS PUB 197), Advanced Encryption Standard (AES) [FIPS 186-4] FIPS 186-4, FEDERAL INFORMATION PROCESSING STANDARDS PUBLICATION (FIPS PUB 186-4), Digital Signature Standard (DSS), Appendix B.4.1 [ICAO-9303] 9303 ICAO Machine Readable Travel Document 7th edition, 2015 Part 1-12 [ISO15946-1] ISO/IEC 15946: Information technology – Security techniques – Cryptographic techniques based on elliptic curves – Part 1: General, 2002 Public Security Target eTravel Essential 1.2 – BAC, EAC and AA activated ST Applicable on: 26/03/2021 Ref: D1521485 Rev: 1.1p Page : 8 / 101 [ISO15946-2] ISO/IEC 15946: Information technology – Security techniques – Cryptographic techniques based on elliptic curves – Part 2: Digital Signatures, 2002 [ISO15946-3] ISO/IEC 15946: Information technology – Security techniques – Cryptographic techniques based on elliptic curves – Part 3: Key establishment, 2002 [ISO7816] ISO 7816, Identification cards – Integrated circuit(s) cards with contacts, Part 4: Organization, security and commands for interchange, FDIS2004 [ISO9796-2] ISO/IEC 9797: Information technology – Security techniques – Digital Signature Schemes giving message recovery – Part 2: Integer factorisation based mechanisms, 2002 [ISO9797-1] ISO/IEC 9797: Information technology – Security techniques – Message Authentication Codes (MACs) – Part 1: Mechanisms using a block cipher,1999 [IEEE-P1363] IEEE Standard Specifications for Public-Key Cryptography IEEE Std 1363-2000 [NIST SP800- 38A] NIST Special Publication 800-38A Recommendation for Block Cipher Modes of Operation, Methods and Techniques 2001 Edition [NIST SP800- 38B] NIST Special Publication 800-38B Recommendation for Block Cipher Modes of Operation, The CMAC Mode for Authentication October 6, 2016 [PKCS#3] PKCS #3: Diffie-Hellman Key-Agreement Standard, An RSA Laboratories Technical Note, Version 1.4, Revised November 1, 1993 [PKI] MRTD Technical Report, PKI for Machine Readable Travel Documents Offering ICC Read-Only Access International Civil Aviation Organization Version 1.1, October 01 2004 [PP-IC-0084] Smartcard IC Platform protection Profile BSI-CC-PP-0084-2014 [PP-MRTD- EAC] Common Criteria Protection Profile – Machine Readable Travel Document with “ICAO Application”, Extended Access Control Bundesamt für Sicherheit in der Informationstechnik BSI-CC-PP-0056, Version 1.10, 25th March 2009 [PP-MRTD- EACv2] Machine Readable Travel Document with „ICAO Application”, Extended Access Control with PACE (EAC PP) BSI-CC-PP-0056-V2-2012 (Version 1.3.2, 05th December 2012) [PP-MRTD- SAC] Machine Readable Travel Document using Standard Inspection Procedure with PACE (PACE PP) BSI-CC-PP-0068-V2-2011-MA-01, Version 1.01, 22th July 2014 [PP-MRTD- BAC] Protection Profile - Machine Readable Travel Document with ICAO Application, Basic Access Control BSI-CC-PP-0055, version 1.10, 25th March 2009 [SP 800-90] NIST Special Publication 800-90A, Revision 1, Recommendation for the Random Number Generation Using Deterministic Random Bit Generators, June 2015 [TR-ECC] Elliptic Curve Cryptography according to ISO 15946, Technical Guideline, TR-ECC, BSI, 2006 [TR-EAC-1] TR-03110 Technical Guideline – Advanced Security Mechanisms for Machine Readable Travel Documents and eIDAS Token, Version 2.2 February 2015 [TR-SAC] ICAO TR – Supplemental Access Control for Machine Readable Travel Document, Version 1.1, April 15, 2014. Public Security Target eTravel Essential 1.2 – BAC, EAC and AA activated ST Applicable on: 26/03/2021 Ref: D1521485 Rev: 1.1p Page : 9 / 101 1.4.2 Internal References [ST_BAC_AA] eTravel Essential 1.2 – BAC and AA activated Public Security Target Ref. D1521484 [ST_BAC_EA C] eTravel Essential 1.2 – BAC, EAC and AA activated Public Security Target Ref. D1521485 [ST_PACE_E AC] eTravel Essential 1.2 – PACE, EAC and AA activated Public Security Target Ref. D1521486 [PRE_MRTD] eTravel Essential 1.2 AGD_PRE Document Ref. D1521507 [OPE_MRTD] eTravel Essential 1.2 AGD_OPE Document Ref. D1521508 Public Security Target eTravel Essential 1.2 – BAC, EAC and AA activated ST Applicable on: 26/03/2021 Ref: D1521485 Rev: 1.1p Page : 10 / 101 1.5 TOE OVERVIEW This Security Target defines the security objectives and requirements for the contact/contactless chip of machine readable travel documents (MRTD) based on the requirements and recommendations of the International Civil Aviation Organization (ICAO). It addresses the advanced security methods Basic Access Control and Extended Access Control as well as the advanced authentication mechanisms Chip Authentication and Active Authentication. The TOE embeds an optional functionality to update the embedded software when it is in operation on the field, details are given in § ES Update concept. 1.5.1 TOE definition The Target of Evaluation (TOE) is the contact/contactless integrated circuit chip of machine readable travel documents (MRTD’s chip) programmed according to the Logical Data Structure (LDS) [ICAO- 9303] and providing the Basic Access Control and Extended Access Control according to the ‘ICAO Doc 9303’ [ICAO-9303] and BSI TR-03110 [TR-EAC-1], respectively. The Target of Evaluation (TOE) can also be programmed according to the electronic Driving License Logical Data Structure (LDS) [ISO 18013-3] and providing Extended Access Control according to the BSI TR-03110 [TR-EAC-1]. In addition to [PP-MRTD-EAC], the TOE supports the active authentication as defined in [ICAO-9303]. The TOE comprises at least:  the circuitry of the MRTD’s chip (the integrated circuit, IC)  the IC Dedicated Software with the parts IC Dedicated Test Software and IC Dedicated Support Software  the IC Embedded Software (operating system)  the MRTD application  a cryptographic library developed by Thales (the cryptographic library proposed by the chip supplier is not used),  the associated guidance documentation for preparation phase and administration phase,  the associated guidance documentation for patch development and management. 1.5.2 TOE boundaries Application note: The TOE is the module designed to be the core of an MRTD passport. The TOE is a contact/contactless integrated circuit. The IC is connected to an antenna and capacitors and is mounted on a plastic film. This inlay is then embedded in the coversheet or datapage of the MRTD passport and provides a contactless interface for the passport holder identification. The TOE is programmed according to the Logical Data Structure [ICAO-9303] and [TR-EAC-1] and providing:  the Basic Access Control (BAC) according to the ICAO document [PKI]  the Active Authentication (AA) mechanism according to the ICAO document [ICAO-9303]  the Extended Access Control according to the BSI document [TR-EAC-1] Application note: Additionally to the [PP-MRTD-EAC], the TOE has a set of administrative commands for the management of the product during the product life. Public Security Target eTravel Essential 1.2 – BAC, EAC and AA activated ST Applicable on: 26/03/2021 Ref: D1521485 Rev: 1.1p Page : 11 / 101 Application note: Components within the TOE boundary are defined in the following manner:  the Integrated Circuit (IC),  the IC Dedicated Test Software,  the IC Dedicated Support Software (Boot Rom Software),  the eTravel Essential 1.2 Embedded Software (ES) including MRTD application, Perso application and low level modules as OS agility,  part of the MRTD Logical Data Structure,  the guidance documentation of the eTravel Essential 1.2 product: o the preparation guide (assurance family AGD-PRE), o the operational guide (assurance family AGD-OPE). The eTravel Essential 1.2 Embedded Software (ES) is implemented in the NVM memory (flash technology) of the chip. The TOE is delivered to the Personalization Agent with data and guidance documentation in order to perform the personalization of the product. In addition the Personalization Key is delivered from the MRTD Manufacturer to the Personalization Agent or from the Personalization Agent to the MRTD Manufacturer. Figure 1: TOE Boundary TOE Boundary Memory Manager Communication Cryptography RESET MEM COM SEC CRY Drivers eTravel Essential 1.2 Application EAC/SAC/BAC/BAP/AA Perso IC Hardware OS Agility Public Security Target eTravel Essential 1.2 – BAC, EAC and AA activated ST Applicable on: 26/03/2021 Ref: D1521485 Rev: 1.1p Page : 12 / 101 1.5.3 TOE usage and security features for operational use 1.5.3.1 MRTD application A State or Organization issues MRTDs to be used by the holder for international travel. The traveller presents an MRTD to the inspection system to prove his or her identity. The MRTD in context of this security target contains (i) visual (eye readable) biographical data and portrait of the holder, (ii) a separate data summary (MRZ data) for visual and machine reading using OCR methods in the Machine readable zone (MRZ) and (iii) data elements on the MRTD’s chip according to LDS for contactless machine reading. The authentication of the traveller is based on (i) the possession of a valid MRTD personalized for a holder with the claimed identity as given on the biographical data page and (ii) biometrics using the reference data stored in the MRTD. The issuing State or Organization ensures the authenticity of the data of genuine MRTD’s. The receiving State trusts a genuine MRTD of an issuing State or Organization. For this security target the MRTD is viewed as unit of (a) the physical MRTD as travel document in form of paper, plastic and chip. It presents visual readable data including (but not limited to) personal data of the MRTD holder (1) the biographical data on the biographical data page of the passport book, (2) the printed data in the Machine Readable Zone (MRZ) and (3) the printed portrait. (b) the logical MRTD as data of the MRTD holder stored according to the Logical Data Structure [ICAO-9303] as specified by ICAO on the contactless integrated circuit. It presents contactless readable data including (but not limited to) personal data of the MRTD holder (1) the digital Machine Readable Zone Data (digital MRZ data, EF.DG1), (2) the digitized portraits (EF.DG2), (3) the biometric reference data of finger(s) (EF.DG3) or iris image(s) (EF.DG4) or both, (4) the other data according to LDS (EF.DG5 to EF.DG16) and (5) the Document security object. The issuing State or Organization implements security features of the MRTD to maintain the authenticity and integrity of the MRTD and their data. The MRTD as the passport book and the MRTD’s chip is uniquely identified by the Document Number. The physical MRTD is protected by physical security measures (e.g. watermark on paper, security printing), logical (e.g. authentication keys of the MRTD’s chip) and organizational security measures (e.g. control of materials, personalization procedures) [ICAO-9303]. These security measures include the binding of the MRTD’s chip to the passport book. The logical MRTD is protected in authenticity and integrity by a digital signature created by the document signer acting for the issuing State or Organization and the security features of the MRTD’s chip. The ICAO defines the baseline security methods Passive Authentication and the optional advanced security methods Basic Access Control to the logical MRTD, Active Authentication of the MRTD’s chip, Extended Access Control to and the Data Encryption of sensitive biometrics as optional security measure in the ICAO Doc 9303 [ICAO-9303]. The Passive Authentication Mechanism and the Data Encryption are performed completely and independently of the TOE by the TOE environment. This security target addresses the protection of the logical MRTD (i) in integrity by write-only-once access control and by physical means, and (ii) in confidentiality by the Extended Access Control Mechanism. This security target addresses the Chip Authentication Version 1 described in [TR-EAC-1] as an alternative to the Active Authentication stated in [ICAO-9303]. The confidentiality by Basic Access Control is a mandatory security feature that shall be implemented by the TOE, too. Nevertheless this is not explicitly covered by this ST as there are known weaknesses in the quality (i.e. entropy) of the BAC keys generated by the environment. Therefore, the MRTD has additionally to fulfil the ‘Common Criteria Protection Profile Machine Readable Travel Document with „ICAO Application", Basic Access Control’ [PP-BAC-MRTD]. Due to the fact that [PP-BAC-MRTD] does only consider extended basic attack potential to the Basic Access Control Mechanism (i.e. AVA_VAN.3) Public Security Target eTravel Essential 1.2 – BAC, EAC and AA activated ST Applicable on: 26/03/2021 Ref: D1521485 Rev: 1.1p Page : 13 / 101 the MRTD has been evaluated and certified separately according to [ST_BAC_AA], claiming [PP-BAC- MRTD]. For BAC, the inspection system (i) reads optically the MRTD, (ii) authenticates itself as inspection system by means of Document Basic Access Keys. After successful authentication of the inspection system the MRTD’s chip provides read access to the logical MRTD by means of private communication (secure messaging) with this inspection system [ICAO-9303], normative appendix 5. The security target requires the TOE to implement the Chip Authentication defined in [TR-EAC-1]. The Chip Authentication prevents data traces described in [ICAO-9303], informative appendix 7, A7.3.3. The Chip Authentication is provided by the following steps: (i) the inspection system communicates by means of secure messaging established by Basic Access Control, (ii) the inspection system reads and verifies by means of the Passive Authentication the authenticity of the MRTD’s Chip Authentication Public Key using the Document Security Object, (iii) the inspection system generates an ephemeral key pair, (iv) the TOE and the inspection system agree on two session keys for secure messaging in ENC_MAC mode according to the Diffie-Hellman Primitive and (v) the inspection system verifies by means of received message authentication codes whether the MRTD’s chip was able or not to run this protocol properly (i.e. the TOE proves to be in possession of the Chip Authentication Private Key corresponding to the Chip Authentication Public Key used for derivation of the session keys). The Chip Authentication requires collaboration of the TOE and the TOE environment. The security target requires the TOE to implement the Extended Access Control as defined in [TR-EAC- 1]. The Extended Access Control consists of two parts (i) the Chip Authentication Protocol version 1 and (ii) the Terminal Authentication Protocol Version 1 (v.1). The Chip Authentication Protocol v.1 (i) authenticates the MRTD’s chip to the inspection system and (ii) establishes secure messaging which is used by Terminal Authentication v.1 to protect the confidentiality and integrity of the sensitive biometric reference data during their transmission from the TOE to the inspection system. Therefore Terminal Authentication v.1 can only be performed if Chip Authentication v.1 has been successfully executed. The Terminal Authentication Protocol v.1 consists of (i) the authentication of the inspection system as entity authorized by the receiving State or Organization through the issuing State, and (ii) an access control by the TOE to allow reading the sensitive biometric reference data only to successfully authenticated authorized inspection systems. The issuing State or Organization authorizes the receiving State by means of certification the authentication public keys of Document Verifiers who create Inspection System Certificates. The security target also requires the TOE to implement Active Authentication as defined in [ICAO-9303]. Keys for Chip authentication and Active Authentication can be generated in the card or loaded into it. These operations take place at personalization time. Public Security Target eTravel Essential 1.2 – BAC, EAC and AA activated ST Applicable on: 26/03/2021 Ref: D1521485 Rev: 1.1p Page : 14 / 101 1.5.3.2 ES Update concept The etravel Essential 1.2 product embeds an optional functionality to update the embedded software when it is in operation on the field. This functionality of Embedded Software update is also named OS Agility and it is consistent with [JIL_SRCL]. The mechanism will allow to correct product issues or to add a feature requested by issuer when the product is already deployed. The updates are done through a dedicated module (OS-Agility) dealing with a set of update instructions received from trusted environment. The update instructions are packaged into a block protected in confidentiality and integrity by keys known only by Thales DIS. The block can be transmitted and executed by the TOE only after a successful authentication done with keys only known by the issuer. With such features, Thales DIS is able to load some contents only with the consent of the issuer and the issuer also cannot load a content without the consent of Thales DIS. Prior to the execution of the instructions of the patch, some prerequisites are verified to confirm ability to perform the correct execution of the instructions. At the end of the execution, the traceability elements are also updated to allow a complete identification of the product (platform version and current patch version). The patch loading mechanism ensures also the atomicity of the updates with change in identification of the TOE. 1.5.4 TOE Life-cycle 1.5.4.1 Four phases The TOE life cycle is described in terms of the four life cycle phases. (With respect to the [PP-IC-0084], the TOE life-cycle is additionally subdivided into 7 steps.) Phase 1 “Development”: (Step1) The TOE is developed in phase 1. The IC developer develops the integrated circuit, the IC Dedicated Software and the guidance documentation associated with these TOE components. (Step2) The software developer uses the guidance documentation for the integrated circuit and the guidance documentation for relevant parts of the IC Dedicated Software and develops the MRTD application and the guidance documentation associated. In addition, the software developer may optionally develops some update of MRTD application. Such update is loaded in replacement of part of already installed MRTD application with authorization of issuer. Phase 2 “Manufacturing”: (Step3) The TOE integrated circuit is produced by the IC manufacturer conforming with Thales requirements. The IC manufacturer writes the IC Identification Data onto the chip to control the IC during the IC manufacturing and the delivery process to the MRTD manufacturer. The IC is securely delivered from the IC manufacturer to the MRTD manufacturer or to the Inlay Manufacturer. (Step4) The MRTD manufacturer initializes the IC/inlay by loading the MRTD application in the IC flash memory. (Step5) The MRTD manufacturer (i) creates the MRTD application and (ii) equips MRTD’s chips with pre- personalization Data. The pre-personalized MRTD together with the IC Identifier are securely delivered from the MRTD manufacturer to the Personalization Agent. The MRTD manufacturer also provides the relevant parts of the guidance documentation to the Personalization Agent. Phase 3 “Personalization of the MRTD”: Public Security Target eTravel Essential 1.2 – BAC, EAC and AA activated ST Applicable on: 26/03/2021 Ref: D1521485 Rev: 1.1p Page : 15 / 101 (Step6) The personalization of the MRTD includes (i) the survey of the MRTD holder’s biographical data, (ii) the enrolment of the MRTD holder biometric reference data (i.e. the digitized portraits and the optional biometric reference data), (iii) the printing of the visual readable data onto the physical MRTD, (iv) the writing of the TOE User Data and TSF Data into the logical MRTD and (v) configuration of the TSF if necessary. The step (iv) is performed by the Personalization Agent and includes but is not limited to the creation of (i) the digital MRZ data (EF.DG1), (ii) the digitized portrait (EF.DG2), and (iii) the Document security object. The signing of the Document security object by the Document signer [5] finalizes the personalization of the genuine MRTD for the MRTD holder. The personalized MRTD (together with appropriate guidance for TOE use if necessary) is handed over to the MRTD holder for operational use. Phase 4 “Operational Use” (Step7) The TOE is used as MRTD chip by the traveller and the inspection systems in the “Operational Use” phase. The user data can be read according to the security policy of the issuing State or Organization and can be used according to the security policy of the issuing State but they can never be modified. The TOE can be updated by agent acting on the behalf of the issuer to load the OS patch on the TOE under control of Thales DIS and issuer. Application note: In this ST, the role of the Personalization Agents is strictly limited to the phase 3 Personalization. In the phase 4 Operational Use updating and addition of the data groups of the MRTD application is forbidden. Application note: the functionality to update the embedded software when it is in operation on the field and has no direct impact on life cycle phases and activities. It just introduces ability to perform additional code loading and activation in phase 2 step 5 and/or in phase 4 step 7. 1.5.4.2 Actors The following table list the different actors and associated role. Actors Identification Integrated Circuit (IC) Developer Thales |ST-IC] Embedded Software Developer Thales Integrated Circuit (IC) Manufacturer Thales or Thales supplier |ST-IC] Module manufacturer Thales or Thales supplier |ST-IC] Pre-personalizer Thales or Thales supplier |ST-IC] Inlay manufacturer Thales or another Inlay manufacturer Booklet manufacturer Thales or another printer Personalization Agent The agent who is acting on the behalf of the issuing State or Organization and personalize the MRTD for the holder by activities establishing the identity of the holder with biographic data. Additional code loader Agent who is acting on the behalf of the issuer to load the Additional code on the TOE. Issuer The Issuer is the actual owner of the TOE. As such, no TOE Update operation shall be made without his consent. MRTD Holder The rightful holder of the MRTD for whom the issuing State or Organization personalizes the MRTD. Country Verifying Certification Authority The Country Verifying Certification Authority (CVCA) enforces the privacy policy of the issuing State or Organization with respect to the protection of sensitive biometric reference data stored in the MRTD. Public Security Target eTravel Essential 1.2 – BAC, EAC and AA activated ST Applicable on: 26/03/2021 Ref: D1521485 Rev: 1.1p Page : 16 / 101 Actors Identification Document Verifier The Document Verifier (DV) enforces the privacy policy of the receiving State with respect to the protection of sensitive biometric reference data to be handled by the Extended Inspection Systems. Domestic Extended Inspection System A technical system operated by a governmental organization located in MRTD country and examining an MRTD presented by the traveller and verifying its authenticity and verifying the traveller as MRTD holder. Foreign Extended Inspection System A technical system used by the border control officer of the receiving State (i) examining an MRTD presented by the traveller and verifying its authenticity and (ii) verifying the traveller as MRTD holder. Deployment Additional code Agent The agent is acting on behalf of the issuing State or Organization to deploy the additional code for the post- Issuance loading. Post-Issuance Additional code Agent / Terminal The agent or terminal is acting on behalf of the issuing State or Organization to perform the loading of additional code at post-Issuance. Table 1: Identification of the actors Public Security Target eTravel Essential 1.2 – BAC, EAC and AA activated ST Applicable on: 26/03/2021 Ref: D1521485 Rev: 1.1p Page : 17 / 101 1.5.4.3 Thales is in charge of ES loading/initialization/pre-personalization The following figure represents life cycle where Thales is in charge of ES loading/initialization/pre- personalization in Thales premises. Step Description / comments Who Where Phase 1 - Development 1 eTravel Essential 1.2 software development Patch development (optional) Thales R&D team - secure environment - Thales development sites 2 IC development IC development IC developer - Thales - Secure environment Thales development sites Phase 2 - Manufacturing 3 IC manufacturing Manufacturing of virgin IC embedding a flash loader. IC manufacturer - Secure environment - IC manufacturing sites 4a Contactless module assembly (optional) Assembly of the chip on a contactless module Contactless module manufacturer: Thales or 3rd Party Thales manufacturing sites or 3rd party manufacturing sites. 4b Combi or contact module assembly (optional) Assembly of the chip on a combi or contact module. Contact or contactless module manufacturer: Thales Thales manufacturing sites 4c Inlay manufacturing (optional) Assembly of the contactless module on an inlay. Inlay manufacturer: Thales or 3rd party Thales manufacturing sites or 3rd party manufacturing sites. 5c IC/Inlay Initialization and Pre-personalization  Loading of the Thales ES with flash loader  Application initialization.  SC initialization (profile building, loading of data needed for card pre- personalization…). Basic File System creation. MRTD module manufacturer: Thales Thales manufacturing sites 4d Embedding Chip/Inlay embedded on a card body or Inlay assembled on a booklet. MRTD module manufacturer: Thales Thales manufacturing sites or 3rd party manufacturing sites. Phase 3 – Personalization of the travel document 6 Personalization - File System creation finalization (ePassport data structure). - Loading of end-user data. - Switched to operational mode. Personalizer Personalizer site Phase 4 – Operational use 7 End-usage End-usage for SC issuer SC Issuer Field End-usage for cardholder Cardholder Field Figure 2: Life cycle where Thales is in charge of ES loading/initialization/pre-personalization Evaluation scope: life-cycle boundary Public Security Target eTravel Essential 1.2 – BAC, EAC and AA activated ST Applicable on: 26/03/2021 Ref: D1521485 Rev: 1.1p Page : 18 / 101 1.5.4.4 IC manufacturer is in charge of ES loading/initialization/pre-personalization The following figure represents life cycle where IC manufacturer is in charge of ES loading/initialization/pre-personalization in its own premises. Step Description / comments Who Where Phase 1 - Development 1 eTravel Essential 1.2 software development - Applet development - Applet tests Thales R&D team - secure environment - Thales development sites 2 IC development IC development IC developer - Thales - Secure environment - Thales development sites Phase 2 - Manufacturing 3 and 5 IC manufacturing and Initialization  Manufacturing of virgin integrated circuits embedding a flash loader.  Loading of the Thales OS  Application initialization.  SC initialization (profile building, loading of data needed for card pre- personalization…). Basic File System creation. IC manufacturer - Secure environment - IC manufacturing sites 4a Contactless module assembly (optional) Assembly of the chip on a contactless module Contactless module manufacturer: Thales or 3rd Party Thales manufacturing sites or 3rd party manufacturing sites. 4b Combi or contact module assembly (optional) Assembly of the chip on a combi or contact module. Contact or contactless module manufacturer: Thales Thales manufacturing sites 4c Inlay manufacturing (optional) Assembly of the contactless module on an inlay. Inlay manufacturer: Thales or 3rd party Thales manufacturing sites or 3rd party manufacturing sites. 4d Embedding Chip/Inlay embedded on a card body or Inlay assembled on a booklet. MRTD module manufacturer: Thales Thales manufacturing sites or 3rd party manufacturing sites. Phase 3 – Personalization of the travel document 6 Personalization - File System creation finalization (ePassport data structure). - Loading of end-user data. - Switched to operational mode. Personalizer Personalizer site Phase 4 – Operational use 7 End-usage End-usage for SC issuer SC Issuer Field End-usage for cardholder Cardholder Field Figure 3: LC where IC manufacturer is in charge of ES loading/initialization/pre-personalization Evaluation scope: life-cycle boundary Public Security Target eTravel Essential 1.2 – BAC, EAC and AA activated ST Applicable on: 26/03/2021 Ref: D1521485 Rev: 1.1p Page : 19 / 101 LC2 describes the Life Cycle when Thales wishes to receive inlays instead of modules. In this case, the founder ships the module to the Inlay manufacturer. Note: transport is secured using OS authentication since after OS loading flash loader security cannot be used anymore. 1.5.5 Non-TOE hardware/software/firmware required by the TOE According to [TR-EAC-1], TOE is able to perform its claimed security features when it communicates with a terminal or an Inspection System using a PCD (Proximity Coupling Device) with a RF (Radio Frequency) reading module and an antenna. It is used for the wireless communication with the electronic identity document's chip in order to establish a connection based on the [ISO/IEC 14443] protocol and optionally [ISO/IEC 7816] protocol. TOE security features of MRTD application are accessible only for devices having privileges to perform MRTD sensitive operations. TOE security features of personalization application are accessible only for devices having privileges to perform such personalization operations. TOE security features of ES update are accessible only for devices having privileges to perform loading and activation of additional code. Public Security Target eTravel Essential 1.2 – BAC, EAC and AA activated ST Applicable on: 26/03/2021 Ref: D1521485 Rev: 1.1p Page : 20 / 101 2. CONFORMANCE CLAIMS 2.1 CC CONFORMANCE CLAIM This security target claims conformance to the Common Criteria (CC) version 3.1 revision 5. The conformance to the CC is claimed as follows: CC Conformance Claim Part 1 [CC-1] Strict conformance Part 2 [CC-2] Conformance with extensions due to [PP-MRTD-EAC]: FAU_SAS.1 Audit storage FCS_RND.1 Quality metric for random numbers FIA_API.1 Authentication Proof of Identity FMT_LIM.1 Limited capabilities FMT_LIM.2 Limited availability FPT_EMS.1 TOE Emanation due to composite evaluation with IC from [PP-IC-0084]: FAU_SAS.1 Audit storage FCS_RNG.1 Quality metric for random numbers FMT_LIM.1 Limited capabilities FMT_LIM.2 Limited availability FDP_SDC.1 Stored data confidentiality Part 3 [CC-3] Conformance with package EAL5 augmented with: ALC_DVS.2 “Sufficiency of security measures” defined in [CC-3], AVA_VAN.5 “Advanced methodical vulnerability analysis” defined in [CC-3] The [CEM] has to be taken into account. 2.2 PP CLAIM The eTravel Essential 1.2 – BAC, EAC and AA activated Public Security Target [ST_BAC_EAC] claims strict conformance to the Protection Profile [PP-MRTD-EAC]. This security target is a composite security target, including the IC security target [ST-IC]. However the security problem definition, the objectives, and the SFR of the IC are not described in this document. The TOE provides several security mechanisms to be activated by administration. Such way to proceed allows to the TOE is consistent with different ST that claims conformance to other Protection Profiles according to activated security mechanisms. Such ability of this TOE is described in other Security Targets: The eTravel Essential 1.2 – PACE, EAC and AA activated Public Security Target [ST_PACE_EAC] claims strict conformance to [PP-MRTD-SAC] and [PP-MRTD-EACv2]. The eTravel Essential 1.2 – BAC and AA activated Public Security Target [ST_BAC_AA] claims strict conformance to [PP-MRTD-BAC]. 2.3 PACKAGE CLAIM This ST is conforming to assurance package EAL5 augmented with ALC_DVS.2 and AVA_VAN.5 as defined in CC part 3 [CC-3]. Public Security Target eTravel Essential 1.2 – BAC, EAC and AA activated ST Applicable on: 26/03/2021 Ref: D1521485 Rev: 1.1p Page : 21 / 101 3. SECURITY PROBLEM DEFINITION 3.1 INTRODUCTION 3.1.1 Assets 3.1.1.1 MRTD assets The assets to be protected by the TOE include the User Data on the MRTD’s chip. Logical MRTD sensitive User Data Sensitive biometric reference data (EF.DG3, EF.DG4) Application note: Due to interoperability reasons the ‘ICAO Doc 9303’ [ICAO-9303] requires that Basic Inspection Systems must have access to logical MRTD data DG1, DG2, DG5 to DG16. As the BAC mechanisms may not resist attacks with high attack potential, security of other Data Groups of the logical MRTD are covered by another ST (cf. [ST_BAC_AA]). A sensitive asset is the following more general one. Authenticity of the MRTD’s chip The authenticity of the MRTD’s chip personalized by the issuing State or Organization for the MRTD holder is used by the traveller to prove his possession of a genuine MRTD. 3.1.1.2 ES Update assets The following assets are related to ES Update feature usable in post-issuance in phase 3 step 6 (personalisation) or phase 4 step 7 (usage). There is no patch associated to the present TOE, however the ES Update feature is within the evaluation scope. D.ACODE Additional Code to be added to the TOE code after TOE issuance. In order to be loaded, it has to be ciphered and signed and then it becomes D.ACODE_CIPHEREDSIGNED. After loading and installation, only D.ACODE remains present and active in TOE. D.ACODE_CIPHEREDSIGNED Additional Code is in a ciphered form stored in a container with a certificate format also including its signature from Embedded Software Developer. D.ACODE is ciphered and signed by Embedded Software Developer and stored and delivered as D.ACODE_CIPHEREDSIGNED which is loaded in the TOE by Issuer and after successful verification of the signature by the Initial TOE, the additional code is deciphered and installed/activated through an atomic activation. D.ACODE-ID Identification data associated to the additional code. It is loaded and/or updated in the same atomic operation as additional code loading. To be protected from unauthorized modification. D.ACODE_DEC-KEY Thales DIS keys used for the decryption of the additional code in TOE. It is a Thales DIS cryptographic key (KDEC), owned by the Embedded Software Developer, imported in TOE and used by the TOE to decrypt the additional code to be loaded. As a symmetric key: To be protected from unauthorized disclosure and modification. D.ACODE_ENC-KEY Thales DIS keys used for the encryption of the additional code in TOE. It is a Thales DIS cryptographic key (KENC), stored in TOE environment and owned by the Embedded Software Developer, and used to encrypt the additional code prior to be delivered. Public Security Target eTravel Essential 1.2 – BAC, EAC and AA activated ST Applicable on: 26/03/2021 Ref: D1521485 Rev: 1.1p Page : 22 / 101 As a symmetric key: to be protected from unauthorized disclosure and modification. D.ACODE_SGNVER-KEY Thales DIS keys used for the verification of the signature of the additional code. It is a Thales DIS cryptographic key (KMACV), owned by the Embedded Software Developer, imported in TOE and used by the TOE to verify the signature of the additional code to be loaded. As a symmetric key: to be protected from unauthorized disclosure and modification. D.ACODE_SGNGEN-KEY Thales DIS keys used for the generation of the signature of the additional code. It is a Thales DIS cryptographic key (KMACG), stored in TOE environment and owned by the Embedded Software Developer, and used to generate the signature of the additional code prior to be delivered. As a symmetric key: to be protected from unauthorized disclosure and modification. Note: D.ACODE_ENC-KEY and D.ACODE_SGNGEN-KEY are protected by TOE environment not by the TOE. Public Security Target eTravel Essential 1.2 – BAC, EAC and AA activated ST Applicable on: 26/03/2021 Ref: D1521485 Rev: 1.1p Page : 23 / 101 3.1.2 Subjects This security target considers the following external entities and subjects: 3.1.2.1 MRTD subjects Manufacturer The generic term for the IC Manufacturer producing the integrated circuit and the MRTD Manufacturer completing the IC to the MRTD’s chip. The Manufacturer is the default user of the TOE during the Phase 2 Manufacturing. The TOE does not distinguish between the users IC Manufacturer and MRTD Manufacturer using this role Manufacturer. Personalization Agent The agent is acting on behalf of the issuing State or Organization to personalize the MRTD for the holder by some or all of the following activities: (i) establishing the identity of the holder for the biographic data in the MRTD, (ii) enrolling the biometric reference data of the MRTD holder i.e. the portrait, the encoded finger image(s) and/or the encoded iris image(s), (iii) writing these data on the physical and logical MRTD for the holder as defined for global, international and national interoperability, (iv) writing the initial TSF data and (v) signing the Document Security Object defined in [ICAO-9303]. Country Verifying Certification Authority The Country Verifying Certification Authority (CVCA) enforces the privacy policy of the issuing State or Organization with respect to the protection of sensitive biometric reference data stored in the MRTD. The CVCA represents the country specific root of the PKI of Inspection Systems and creates the Document Verifier Certificates within this PKI. The updates of the public key of the CVCA are distributed in the form of Country Verifying CA Link-Certificates. Document Verifier The Document Verifier (DV) enforces the privacy policy of the receiving State with respect to the protection of sensitive biometric reference data to be handled by the Extended Inspection Systems. The Document Verifier manages the authorization of the Extended Inspection Systems for the sensitive data of the MRTD in the limits provided by the issuing States or Organizations in the form of the Document Verifier Certificates. Terminal A terminal is any technical system communicating with the TOE through the contactless interface. Inspection system (IS) A technical system used by the border control officer of the receiving State (i) examining an MRTD presented by the traveller and verifying its authenticity and (ii) verifying the traveller as MRTD holder. The Basic Inspection System (BIS) (i) contains a terminal for the contactless communication with the MRTD’s chip, (ii) implements the terminals part of the Basic Access Control Mechanism and (iii) gets the authorization to read the logical MRTD under the Basic Access Control by optical reading the MRTD or other parts of the passport book providing this information. The General Inspection System (GIS) is a Basic Inspection System which implements additionally the Chip Authentication Mechanism. The Extended Inspection System (EIS) in addition to the General Inspection System (i) implements the Terminal Authentication Protocol and (ii) is authorized by the issuing State or Organization through the Document Verifier of the receiving State to read the sensitive biometric reference data. The security attributes of the EIS are defined of the Inspection System Certificates. MRTD Holder The rightful holder of the MRTD for whom the issuing State or Organization personalized the MRTD. Traveller Person presenting the MRTD to the inspection system and claiming the identity of the MRTD holder. Attacker A threat agent trying (i) to manipulate the logical MRTD without authorization, (ii) to read sensitive biometric reference data (i.e. EF.DG3, EF.DG4) or (iii) to forge a genuine MRTD. Public Security Target eTravel Essential 1.2 – BAC, EAC and AA activated ST Applicable on: 26/03/2021 Ref: D1521485 Rev: 1.1p Page : 24 / 101 Application note: Note that an attacker trying to identify and to trace the movement of the MRTD’s chip remotely (i.e. without knowing or optically reading the physical MRTD) is not considered by this PP since this can only be averted by the BAC mechanism using the “weak” Document Basic Access Keys that is covered by [PP-MRTD-BAC]. The same holds for the confidentiality of the user data EF.DG1, EF.DG2, EF.DG5 to EF.DG16 as well as EF.SOD and EF.COM. Application note: An impostor is attacking the inspection system as TOE IT environment independent on using a genuine, counterfeit or forged MRTD. Therefore the impostor may use results of successful attacks against the TOE but the attack itself is not relevant for the TOE. 3.1.2.2 ES Update external entities and subjects Embedded Software Developer The entity developing the additional code, signing and encrypting the additional code and then delivering the additional code to the entity responsible to its deployment. It is represented in TOE by D.ACODE_ SGNVER-KEY and invoked during verification of signature of additional code. Deployment Additional code Agent The agent is acting on behalf of the issuing State or Organization to deploy the additional code for the post-Issuance loading. It is at delivery point the entity authorized to receive the additional code from Embedded Software Developer to produce the CVCA Link certificate including the additional code. This actor is represented in TOE by a key used to verify the certificate including the additional code. Post-Issuance Additional code Agent / Terminal The agent or terminal is acting on behalf of the issuing State or Organization to perform the loading of additional code at post-Issuance. It is represented in TOE by authentication key used to perform authentication required prior additional code loading. Public Security Target eTravel Essential 1.2 – BAC, EAC and AA activated ST Applicable on: 26/03/2021 Ref: D1521485 Rev: 1.1p Page : 25 / 101 3.2 ASSUMPTIONS The assumptions describe the security aspects of the environment in which the TOE will be used or is intended to be used. 3.2.1.1 MRTD assumptions A.MRTD_Manufact MRTD manufacturing on steps 4 to 6 It is assumed that appropriate functionality testing of the MRTD is used. It is assumed that security procedures are used during all manufacturing and test operations to maintain confidentiality and integrity of the MRTD and of its manufacturing and test data (to prevent any possible copy, modification, retention, theft or unauthorized use). A.MRTD_Delivery MRTD delivery during steps 4 to 6 Procedures shall guarantee the control of the TOE delivery and storage process and conformance to its objectives: - Procedures shall ensure protection of TOE material/information under delivery and storage. - Procedures shall ensure that corrective actions are taken in case of improper operation in the delivery process and storage. - Procedures shall ensure that people dealing with the procedure for delivery have got the required skill. A.Pers_Agent Personalization of the MRTD’s chip The Personalization Agent ensures the correctness of (i) the logical MRTD with respect to the MRTD holder, (ii) the Document Basic Access Keys, (iii) the Chip Authentication Public Key (EF.DG14) if stored on the MRTD’s chip, and (iv) the Document Signer Public Key Certificate (if stored on the MRTD’s chip). The Personalization Agent signs the Document Security Object. The Personalization Agent bears the Personalization Agent Authentication to authenticate himself to the TOE by symmetric cryptographic mechanisms. A.Insp_Sys Inspection Systems for global interoperability The Inspection System is used by the border control officer of the receiving State (i) examining an MRTD presented by the traveller and verifying its authenticity and (ii) verifying the traveller as MRTD holder. The Basic Inspection System for global interoperability (i) includes the Country Signing CA Public Key and the Document Signer Public Key of each issuing State or Organization, and (ii) implements the terminal part of the Basic Access Control [ICAO-9303]. The Basic Inspection System reads the logical MRTD under Basic Access Control and performs the Passive Authentication to verify the logical MRTD. The General Inspection System in addition to the Basic Inspection System implements the Chip Authentication Mechanism. The General Inspection System verifies the authenticity of the MRTD’s chip during inspection and establishes secure messaging with keys established by the Chip Authentication Mechanism. The Extended Inspection System in addition to the General Inspection System (i) supports the Terminal Authentication Protocol and (ii) is authorized by the issuing State or Organization through the Document Verifier of the receiving State to read the sensitive biometric reference data. A.Signature_PKI PKI for Passive Authentication The issuing and receiving States or Organizations establish a public key infrastructure for passive authentication i.e. digital signature creation and verification for the logical MRTD. The issuing State or Organization runs a Certification Authority (CA) which securely generates, stores and uses the Country Signing CA Key pair. The CA keeps the Country Signing CA Private Key secret and is recommended to distribute the Country Signing CA Public Key to ICAO, all receiving States maintaining its integrity. The Document Signer (i) generates the Document Signer Key Pair, (ii) hands over the Document Signer Public Key to the CA for certification, (iii) keeps the Document Signer Private Key secret and (iv) uses securely the Document Signer Private Key for signing the Document Security Objects of the MRTDs. The CA creates the Document Signer Certificates for the Document Signer Public Keys that are distributed to the receiving States and Organizations. A.Auth_PKI PKI for Inspection Systems The issuing and receiving States or Organizations establish a public key infrastructure for card verifiable certificates of the Extended Access Control. The Country Verifying Certification Authorities, the Public Security Target eTravel Essential 1.2 – BAC, EAC and AA activated ST Applicable on: 26/03/2021 Ref: D1521485 Rev: 1.1p Page : 26 / 101 Document Verifier and Extended Inspection Systems hold authentication key pairs and certificates for their public keys encoding the access control rights. The Country Verifying Certification Authorities of the issuing States or Organizations are signing the certificates of the Document Verifier and the Document Verifiers are signing the certificates of the Extended Inspection Systems of the receiving States or Organizations. The issuing States or Organizations distribute the public keys of their Country Verifying Certification Authority to their MRTD’s chip. 3.2.1.2 ES Update assumptions Find here the assumptions associated to ES Update. A.ACODE-EVIDENCE For additional code loaded post-issuance, it is assumed that the Embedded Software Developer provides digital evidence to the TOE in order to prove the following: o (1) the additional code has been developed by a genuine ES developer and o (2) the additional code has not been modified since it was issued by the genuine ES developer. o (3) the additional code has been authorized to be installed by Issuer. A.ACODE-KEY-MANAGEMENT It is assumed that: o The key management process related to the TOE code update capability takes place in a secure and audited environment. o The cryptographic keys used by the cryptographic operations are of strong quality and appropriately secured to ensure confidentiality, authenticity and integrity of those keys. Public Security Target eTravel Essential 1.2 – BAC, EAC and AA activated ST Applicable on: 26/03/2021 Ref: D1521485 Rev: 1.1p Page : 27 / 101 3.3 THREATS This section describes the threats to be averted by the TOE independently or in collaboration with its IT environment. These threats result from the TOE method of use in the operational environment and the assets stored in or protected by the TOE. 3.3.1.1 MRTD threats Application note: The threats T.Chip_ID and T.Skimming (cf. [PP-MRTD-BAC]) are averted by the mechanisms described in the BAC PP [PP-MRTD-BAC] (cf. P.BAC-PP) which cannot withstand an attack with high attack potential thus these are not addressed here. T.Chip_ID addresses the threat of tracing the movement of the MRTD by identifying remotely the MRTD’s chip by establishing or listening to communications through the contactless communication interface. T.Skimming addresses the threat of imitating the inspection system to read the logical MRTD or parts of it via the contactless communication channel of the TOE. Both attacks are conducted by an attacker who cannot read the MRZ or who does not know the physical MRTD in advance. The TOE in collaboration with its IT environment shall avert the threats as specified below. T.Read_Sensitive_Data Read the sensitive biometric reference data Adverse action: An attacker tries to gain the sensitive biometric reference data through the communication interface of the MRTD’s chip. The attack T.Read_Sensitive_Data is similar to the threat T.Skimming (cf. [PP-MRTD- BAC]) in respect of the attack path (communication interface) and the motivation (to get data stored on the MRTD’s chip) but differs from those in the asset under the attack (sensitive biometric reference data vs. digital MRZ, digitized portrait and other data), the opportunity (i.e. knowing Document Basic Access Keys) and therefore the possible attack methods. Note, that the sensitive biometric reference data are stored only on the MRTD’s chip as private sensitive personal data whereas the MRZ data and the portrait are visually readable on the physical MRTD as well. Threat agent: having high attack potential, knowing the Document Basic Access Keys, being in possession of a legitimate MRTD Asset: confidentiality of sensitive logical MRTD (i.e. biometric reference) data, T.Forgery Forgery of data on MRTD’s chip Adverse action: An attacker alters fraudulently the complete stored logical MRTD or any part of it including its security related data in order to deceive on an inspection system by means of the changed MRTD holder’s identity or biometric reference data. This threat comprises several attack scenarios of MRTD forgery. The attacker may alter the biographical data on the biographical data page of the passport book, in the printed MRZ and in the digital MRZ to claim another identity of the traveller. The attacker may alter the printed portrait and the digitized portrait to overcome the visual inspection of the inspection officer and the automated biometric authentication mechanism by face recognition. The attacker may alter the biometric reference data to defeat automated biometric authentication mechanism of the inspection system. The attacker may combine data groups of different logical MRTDs to create a new forged MRTD, e.g. the attacker writes the digitized portrait and optional biometric reference finger data read from the logical MRTD of a traveller into another MRTD’s chip leaving their digital MRZ unchanged to claim the identity of the holder this MRTD. The attacker may also copy the complete unchanged logical MRTD to another contactless chip. Threat agent:having high attack potential, being in possession of one or more legitimate MRTDs Asset: authenticity of logical MRTD data, Public Security Target eTravel Essential 1.2 – BAC, EAC and AA activated ST Applicable on: 26/03/2021 Ref: D1521485 Rev: 1.1p Page : 28 / 101 T.Counterfeit MRTD’s chip Adverse action: An attacker with high attack potential produces an unauthorized copy or reproduction of a genuine MRTD’s chip to be used as part of a counterfeit MRTD. This violates the authenticity of the MRTD’s chip used for authentication of a traveller by possession of a MRTD. The attacker may generate a new data set or extract completely or partially the data from a genuine MRTD’s chip and copy them on another appropriate chip to imitate this genuine MRTD’s chip. Threat agent:having high attack potential, being in possession of one or more legitimate MRTDs Asset: authenticity of logical MRTD data, The TOE shall avert the threats as specified below. T.Abuse-Func Abuse of Functionality Adverse action: An attacker may use functions of the TOE which shall not be used in “Operational Use” phase in order (i) to manipulate User Data, (ii) to manipulate (explore, bypass, deactivate or change) security features or functions of the TOE or (iii) to disclose or to manipulate TSF Data. This threat addresses the misuse of the functions for the initialization and the personalization in the operational state after delivery to MRTD holder. Threat agent:having high attack potential, being in possession of a legitimate MRTD Asset: confidentiality and authenticity of logical MRTD and TSF data, correctness of TSF T.Information_Leakage Information Leakage from MRTD’s chip Adverse action: An attacker may exploit information which is leaked from the TOE during its usage in order to disclose confidential TSF data. The information leakage may be inherent in the normal operation or caused by the attacker. Leakage may occur through emanations, variations in power consumption, I/O characteristics, clock frequency, or by changes in processing time requirements. This leakage may be interpreted as a covert channel transmission but is more closely related to measurement of operating parameters which may be derived either from measurements of the contactless interface (emanation) or direct measurements (by contact to the chip still available even for a contactless chip) and can then be related to the specific operation being performed. Examples are the Differential Electromagnetic Analysis (DEMA) and the Differential Power Analysis (DPA). Moreover the attacker may try actively to enforce information leakage by fault injection (e.g. Differential Fault Analysis). Threat agent:having high attack potential, being in possession of a legitimate MRTD Asset: confidentiality of logical MRTD and TSF data T.Phys-Tamper Physical Tampering Adverse action: An attacker may perform physical probing of the MRTD’s chip in order (i) to disclose TSF Data, or (ii) to disclose/reconstruct the MRTD’s chip Embedded Software. An attacker may physically modify the MRTD’s chip in order to (i) modify security features or functions of the MRTD’s chip, (ii) modify security functions of the MRTD’s chip Embedded Software, (iii) modify User Data or (iv) to modify TSF data. The physical tampering may be focused directly on the disclosure or manipulation of TOE User Data (e.g. the biometric reference data for the inspection system) or TSF Data (e.g. authentication key of the MRTD’s chip) or indirectly by preparation of the TOE to following attack methods by modification of security features (e.g. to enable information leakage through power analysis). Physical tampering requires direct interaction with the MRTD’s chip internals. Techniques commonly employed in IC failure analysis and IC reverse engineering efforts may be used. Before that, the hardware security mechanisms and layout characteristics need to be identified. Determination of software design including treatment of User Data and TSF Data may also be a pre-requisite. The modification may result in the deactivation of a security function. Changes of circuitry or data can be permanent or temporary. Public Security Target eTravel Essential 1.2 – BAC, EAC and AA activated ST Applicable on: 26/03/2021 Ref: D1521485 Rev: 1.1p Page : 29 / 101 Threat agent:having high attack potential, being in possession of a legitimate MRTD Asset: confidentiality and authenticity of logical MRTD and TSF data, correctness of TSF T.Malfunction Malfunction due to Environmental Stress Adverse action: An attacker may cause a malfunction of TSF or of the MRTD’s chip Embedded Software by applying environmental stress in order to (i) deactivate or modify security features or functions of the TOE or (ii) circumvent, deactivate or modify security functions of the MRTD’s chip Embedded Software. This may be achieved e.g. by operating the MRTD’s chip outside the normal operating conditions, exploiting errors in the MRTD’s chip Embedded Software or misusing administration function. To exploit these vulnerabilities an attacker needs information about the functional operation. Threat agent:having high attack potential, being in possession of a legitimate MRTD Asset: confidentiality and authenticity of logical MRTD and TSF data, correctness of TSF 3.3.1.2 ES Update threats The following threats are related to the ES Update in post-issuance. T.UNAUTHORIZED_ES_UPDATE An attacker attempts to update the TOE code with a malicious update without detection by the TOE. Such unwanted event may compromise the security features of the TOE. Asset(s): D.ACODE, D.ACODE_CIPHEREDSIGNED. T.FAKE-SGNVER-KEY An attacker modifies the signature verification key used by the TOE to verify the signature of the additional code. Hence, he is able to sign and successfully load malicious additional code inside the TOE. Asset(s): D.ACODE_SGNVER-KEY, D.ACODE_CIPHEREDSIGNED. T.WRONG-UPDATE-STATE An attacker prevents the TOE update operation (code and TOE identification) to be performed atomically, resulting in an inconsistency between the resulting TOE code and the identification data: o The additional code is not loaded within the TOE, but the identification data is updated to mention that the additional code is present; o The additional code is partially or fully loaded within the TOE, but the identification data is not updated to indicate the change. Asset(s): D.ACODE-ID, D.ACODE. T.INTEG-ACODE_LOAD The attacker modifies (part of) the additional code when it is transmitted to the TOE for installation without detection by the TOE. Asset(s): D.ACODE_CIPHEREDSIGNED. T.CONFID-ACODE_LOAD The attacker discloses (part of) the additional code when it is transmitted to the TOE for installation or has ability to decipher it due to unauthorized access to the key. Asset(s): D.ACODE_CIPHEREDSIGNED, D.ACODE_DEC-KEY. Public Security Target eTravel Essential 1.2 – BAC, EAC and AA activated ST Applicable on: 26/03/2021 Ref: D1521485 Rev: 1.1p Page : 30 / 101 3.4 ORGANIZATIONAL SECURITY POLICIES The TOE shall comply with the following Organisational Security Policies (OSP) as security rules, procedures, practices, or guidelines imposed by an organisation upon its operations (see CC part 1, sec. 3.2). 3.4.1.1 MRTD OSP P.BAC-PP Fulfillment of the Basic Access Control Protection Profile. The issuing States or Organizations ensures that successfully authenticated Basic Inspection Systems have read access to logical MRTD data DG1, DG2, DG5 to DG16 the ‘ICAO Doc 9303’ [ICAO-9303] as well as to the data groups Common and Security Data. The MRTD is successfully evaluated and certified in accordance with the ‘Common Criteria Protection Profile Machine Readable Travel Document with „ICAO Application", Basic Access Control’ [PP-MRTD-BAC] in order to ensure the confidentiality of standard user data and preventing the traceability of the MRTD data. Application note: The organizational security policy P.Personal_Data drawn from the ‘ICAO Doc 9303’ [ICAO-9303] is addressed by the [PP-MRTD-BAC] (cf. P.BAC-PP). The confidentiality of the personal data other than EF.DG3 and EF.DG4 is ensured by the BAC mechanism. Note the BAC mechanisms may not resist attacks with high attack potential (cf. [PP-MRTD-BAC]). The TOE shall protect the sensitive biometric reference data in EF.DG3 and EF.DG4 against attacks with high attack potential. Due to the different resistance the protection of EF.DG3 and EF.DG4 on one side and the other EF.SOD, EF.COM, EF.DG1, EF.DG2 and EF.DG5 to EF.DG16 are addressed separated protection profiles, which is assumed to result in technically separated evaluations (at least for classes ASE and VAN) and certificates. P.Sensitive_Data Privacy of sensitive biometric reference data The biometric reference data of finger(s) (EF.DG3) and iris image(s) (EF.DG4) are sensitive private personal data of the MRTD holder. The sensitive biometric reference data can be used only by inspection systems which are authorized for this access at the time the MRTD is presented to the inspection system (Extended Inspection Systems). The issuing State or Organization authorizes the Document Verifiers of the receiving States to manage the authorization of inspection systems within the limits defined by the Document Verifier Certificate. The MRTD’s chip shall protect the confidentiality and integrity of the sensitive private personal data even during transmission to the Extended Inspection System after Chip Authentication. P.Manufact Manufacturing of the MRTD’s chip The Initialization Data are written by the IC Manufacturer to identify the IC uniquely. The MRTD Manufacturer writes the Pre-personalization Data which contains at least the Personalization Agent Key. P.Personalization Personalization of the MRTD by issuing State or Organization only The issuing State or Organization guarantees the correctness of the biographical data, the printed portrait and the digitized portrait, the biometric reference data and other data of the logical MRTD with respect to the MRTD holder. The personalization of the MRTD for the holder is performed by an agent authorized by the issuing State or Organization only. P.Activ_Auth Active Authentication The TOE implements the active authentication protocol as described in [ICAO-9303]. 3.4.1.2 ES Update OSP P.ATOMIC_ACTIVATION Additional code has to be loaded and installed on the TOE through an atomic activation. Each additional code shall be identified with unique Identification Data. During such atomic activation, identification Data of the TOE have to be updated to clearly identify the Updated TOE. In case of interruption or incident during activation, the TOE shall remain in its initial state or set in a failed secure state. Public Security Target eTravel Essential 1.2 – BAC, EAC and AA activated ST Applicable on: 26/03/2021 Ref: D1521485 Rev: 1.1p Page : 31 / 101 P.TOE_IDENTIFICATION Identification Data of the resulting Updated TOE shall identify the Initial TOE and the activated additional code. Identification Data shall be protected in integrity. P.ACODE_SIGNING The additional code has to be signed with a cryptographic key pair according to relevant standard and the generated signature is associated to the additional code. The additional code signature must be checked during loading to assure its authenticity and integrity and to assure that loading is authorized on the TOE. The cryptographic key used to sign the additional code shall be of sufficient quality and the process for key generation and storage shall be appropriately secured to ensure the authenticity, integrity and confidentiality of the key. The process to deliver the key for signature verification shall be appropriately secured to ensure the authenticity, integrity and confidentiality of the key (not applicable if public key). P.ACODE_ENCRYPTION The additional code has to be encrypted according to relevant standard in order to ensure its confidentiality when it is transmitted to the TOE for loading and installation. The encryption key shall be of sufficient quality and the process for key generation and storage shall be appropriately secured to ensure the confidentiality, authenticity and integrity of the key. 3.5 COMPATIBILITY BETWEEN SECURITY ENVIRONMENTS OF [ST_BAC_EAC] AND [ST-IC] 3.5.1 Compatibility between threats of [ST_BAC_EAC] and [ST-IC] T.Read_Sensitive_Data, is included in T.Phys-Probing. T.Forgery is included in T.Phys-Manipulation. T.Counterfeit is specific to the Java Card platform and they do no conflict with the threats of [ST-IC]. T.Abuse-Func of [ST_BAC_EAC] is included in T.Abuse-Func of [ST-IC]. T.Information_Leakage is included in T.Leak-Inherent and T.Leak-Forced. T.Phys-Tamper is included in T.Phys-Manipulation T.Malfunction of [ST_BAC_EAC] is included in T.Malfunction of [ST-IC]. We can therefore conclude that the threats of [ST_BAC_EAC] and [ST-IC] are consistent. 3.5.2 Compatibility between OSP of [ST_BAC_EAC] and [ST-IC] P.BAC-PP, P.Sensitive_Data, P.Manufact, P.Personalization and P.Activ_Auth are specific to the MRTD and they do no conflict with the OSP of [ST-IC]. We can therefore conclude that the OSP of [ST_BAC_EAC] and [ST-IC] are consistent. 3.5.3 Compatibility between assumptions of [ST_BAC_EAC] and [ST-IC] A.MRTD_Manufact and A.MRTD_Delivery are included in A.Process-Sec-IC. A.Pers_Agent, A.Insp_Sys, A.Signature_PKI, and A.Auth_PKI are assumptions specific to [ST_BAC_EAC] and they do no conflict with the assumptions of [ST-IC]. We can therefore conclude that the assumptions for the environment of [ST_BAC_EAC] and [ST-IC] are consistent. Public Security Target eTravel Essential 1.2 – BAC, EAC and AA activated ST Applicable on: 26/03/2021 Ref: D1521485 Rev: 1.1p Page : 32 / 101 4. SECURITY OBJECTIVES This chapter describes the security objectives for the TOE and the security objectives for the TOE environment. The security objectives for the TOE environment are separated into security objectives for the development and production environment and security objectives for the operational environment. 4.1 SECURITY OBJECTIVES FOR THE TOE This section describes the security objectives for the TOE addressing the aspects of identified threats to be countered by the TOE and organisational security policies to be met by the TOE. 4.1.1 MRTD Security objectives OT.AC_Pers Access Control for Personalization of logical MRTD The TOE must ensure that the logical MRTD data in EF.DG1 to EF.DG16, the Document security object according to LDS [ICAO-9303] and the TSF data can be written by authorized Personalization Agents only. The logical MRTD data in EF.DG1 to EF.DG16 and the TSF data may be written only during and cannot be changed after its personalization. The Document security object can be updated by authorized Personalization Agents if data in the data groups EF.DG3 to EF.DG16 are added. Application note:The OT.AC_Pers implies that (1) the data of the LDS groups written during personalization for MRTD holder (at least EF.DG1 and EF.DG2) cannot be changed by write access after personalization, (2) the Personalization Agents may (i) add (fill) data into the LDS data groups not written yet, and (ii) update and sign the Document Security Object accordingly. The support for adding data in the “Operational Use” phase is optional. OT.Data_Int Integrity of personal data The TOE must ensure the integrity of the logical MRTD stored on the MRTD’s chip against physical manipulation and unauthorized writing. The TOE must ensure the integrity of the logical MRTD data during their transmission to the General Inspection System after Chip Authentication. OT.Sens_Data_Conf Confidentiality of sensitive biometric reference data The TOE must ensure the confidentiality of the sensitive biometric reference data (EF.DG3 and EF.DG4) by granting read access only to authorized Extended Inspection Systems. The authorization of the inspection system is drawn from the Inspection System Certificate used for the successful authentication and shall be a non-strict subset of the authorization defined in the Document Verifier Certificate in the certificate chain to the Country Verifier Certification Authority of the issuing State or Organization. The TOE must ensure the confidentiality of the logical MRTD data during their transmission to the Extended Inspection System. The confidentiality of the sensitive biometric reference data shall be protected against attacks with high attack potential. OT.Identification Identification and Authentication of the TOE The TOE must provide means to store IC Identification and Pre-Personalization Data in its nonvolatile memory. The IC Identification Data must provide a unique identification of the IC during Phase 2 “Manufacturing” and Phase 3 “Personalization of the MRTD”. The storage of the Pre-Personalization data includes writing of the Personalization Agent Key(s). OT.Chip_Auth_Proof Proof of MRTD’s chip authenticity The TOE must support the General Inspection Systems to verify the identity and authenticity of the MRTD’s chip as issued by the identified issuing State or Organization by means of the Chip Authentication as defined in [ASM-EAC]. The authenticity proof provided by MRTD’s chip shall be protected against attacks with high attack potential. Application note: The OT.Chip_Auth_Proof implies the MRTD’s chip to have (i) a unique identity as given by the MRTD’s Document Number, (ii) a secret to prove its identity by knowledge i.e. a private authentication key as TSF data. The TOE shall protect this TSF data to prevent their misuse. The terminal shall have the reference data to verify the authentication attempt of MRTD’s chip i.e. a certificate for the Chip Authentication Public Key that matches the Chip Authentication Private Key of the MRTD’s Public Security Target eTravel Essential 1.2 – BAC, EAC and AA activated ST Applicable on: 26/03/2021 Ref: D1521485 Rev: 1.1p Page : 33 / 101 chip. This certificate is provided by (i) the Chip Authentication Public Key (EF.DG14) in the LDS [ICAO- 9303] and (ii) the hash value of the Chip Authentication Public Key in the Document Security Object signed by the Document Signer. The following TOE security objectives address the protection provided by the MRTD’s chip independent of the TOE environment. OT.Prot_Abuse-Func Protection against Abuse of Functionality After delivery of the TOE to the MRTD Holder, the TOE must prevent the abuse of test and support functions that may be maliciously used to (i) disclose critical User Data, (ii) manipulate critical User Data of the IC Embedded Software, (iii) manipulate Soft-coded IC Embedded Software or (iv) bypass, deactivate, change or explore security features or functions of the TOE. Details of the relevant attack scenarios depend, for instance, on the capabilities of the Test Features provided by the IC Dedicated Test Software which are not specified here. OT.Prot_Inf_Leak Protection against Information Leakage The TOE must provide protection against disclosure of confidential TSF data stored and/or processed in the MRTD’s chip  by measurement and analysis of the shape and amplitude of signals or the time between events found by measuring signals on the electromagnetic field, power consumption, clock, or I/O lines and  by forcing a malfunction of the TOE and/or  by a physical manipulation of the TOE. Application note: This objective pertains to measurements with subsequent complex signal processing due to normal operation of the TOE or operations enforced by an attacker. Details correspond to an analysis of attack scenarios which is not given here. OT.Prot_Phys-Tamper Protection against Physical Tampering The TOE must provide protection of the confidentiality and integrity of the User Data, the TSF Data, and the MRTD’s chip Embedded Software. This includes protection against attacks with high attack potential by means of  measuring through galvanic contacts which is direct physical probing on the chips surface except on pads being bonded (using standard tools for measuring voltage and current) or  measuring not using galvanic contacts but other types of physical interaction between charges (using tools used in solid-state physics research and IC failure analysis)  manipulation of the hardware and its security features, as well as  controlled manipulation of memory contents (User Data, TSF Data) with a prior  reverse-engineering to understand the design and its properties and functions. OT.Prot_Malfunction Protection against Malfunctions The TOE must ensure its correct operation. The TOE must prevent its operation outside the normal operating conditions where reliability and secure operation has not been proven or tested. This is to prevent errors. The environmental conditions may include external energy (esp. electromagnetic) fields, voltage (on any contacts), clock frequency, or temperature. Application note: A malfunction of the TOE may also be caused using a direct interaction with elements on the chip surface. This is considered as being a manipulation (refer to the objective OT.Prot_Phys- Tamper) provided that detailed knowledge about the TOE´s internals. OT.Activ_Auth_Proof Proof of MRTD’s chip authenticity through AA The TOE must support the General Inspection Systems to verify the identity and authenticity of the MRTD’s chip as issued by the identified issuing State or Organization by means of the Active Authentication as defined in [ICAO-9303]. The authenticity proof through AA provided by MRTD’s chip shall be protected against attacks with high attack potential. Public Security Target eTravel Essential 1.2 – BAC, EAC and AA activated ST Applicable on: 26/03/2021 Ref: D1521485 Rev: 1.1p Page : 34 / 101 4.1.2 ES Update Security objectives TOE including ES Update feature shall fulfill the next security objectives. O.SECURE_LOAD_ACODE The TOE shall check an evidence of authenticity and integrity of the additional code to be loaded. The TOE enforces that only an allowed version of the additional code can be loaded. The TOE shall forbid the loading of an additional code not intended to be assembled with the TOE. During the loading and activation of the additional code, the TOE shall remain secure. O.SECURE_ACTIVATION_ACODE Activation of the additional code and update of the Identification Data shall be performed in an atomic way. All the operations needed for the code to be able to operate as in the Updated TOE shall be completed before activation. If the atomic activation is successful, then the resulting product is the Updated TOE, otherwise (in case of interruption or incident which prevents the forming of the Updated TOE), the TOE shall preserve a secure state. O.TOE_IDENTIFICATION The TOE provides means to store Identification Data in its non-volatile memory and guarantees the integrity of these data. After atomic activation of the additional code, the Identification Data of the Updated TOE allows identifications of both the Initial TOE and additional code. The user must be able to read the unique identifiers of Initial TOE and additional code(s) which are embedded in the Updated TOE. O.CONFID-LOAD_ACODE The TOE shall decrypt the additional code prior installation. Application Note: Confidentiality protection must be enforced when the additional code is transmitted to the TOE for loading (See OE.ENCRYPTION_ACODE). Confidentiality protection can be achieved either through direct encryption of the additional code, or by means of a trusted path ensuring the confidentiality of the communication to the TOE. Public Security Target eTravel Essential 1.2 – BAC, EAC and AA activated ST Applicable on: 26/03/2021 Ref: D1521485 Rev: 1.1p Page : 35 / 101 4.2 SECURITY OBJECTIVES FOR THE OPERATIONAL ENVIRONMENT 4.2.1 MRTD Security objectives for operational environment Issuing State or Organization The issuing State or Organization will implement the following security objectives of the TOE environment. OE.MRTD_Manufact Protection of the MRTD Manufacturing Appropriate functionality testing of the TOE shall be used in step 4 to 6. During all manufacturing and test operations, security procedures shall be used through phases 4, 5 and 6 to maintain confidentiality and integrity of the TOE and its manufacturing and test data. OE.MRTD_Delivery Protection of the MRTD delivery Procedures shall ensure protection of TOE material/information under delivery including the following objectives: - non-disclosure of any security relevant information, - identification of the element under delivery, - meet confidentiality rules (confidentiality level, transmittal form, reception acknowledgment), - physical protection to prevent external damage, - secure storage and handling procedures (including rejected TOE’s), - traceability of TOE during delivery including the following parameters:  origin and shipment details,  reception, reception acknowledgement,  location material/information. Procedures shall ensure that corrective actions are taken in case of improper operation in the delivery process (including if applicable any non-conformance to the confidentiality convention) and highlight all non-conformance to this process. Procedures shall ensure that people (shipping department, carrier, reception department) dealing with the procedure for delivery have got the required skill, training and knowledge to meet the procedure requirements and be able to act fully in accordance with the above expectations. OE.Personalization Personalization of logical MRTD The issuing State or Organization must ensure that the Personalization Agents acting on behalf of the issuing State or Organization (i) establish the correct identity of the holder and create biographical data for the MRTD, (ii) enroll the biometric reference data of the MRTD holder i.e. the portrait, the encoded finger image(s) and/or the encoded iris image(s) and (iii) personalize the MRTD for the holder together with the defined physical and logical security measures to protect the confidentiality and integrity of these data. OE.Pass_Auth_Sign Authentication of logical MRTD by Signature The issuing State or Organization must (i) generate a cryptographic secure Country Signing CA Key Pair, (ii) ensure the secrecy of the Country Signing CA Private Key and sign Document Signer Certificates in a secure operational environment, and (iii) distribute the Certificate of the Country Signing CA Public Key to receiving States and Organizations maintaining its authenticity and integrity. The issuing State or Organization must (i) generate a cryptographic secure Document Signer Key Pair and ensure the secrecy of the Document Signer Private Keys, (ii) sign Document Security Objects of genuine MRTD in a secure operational environment only and (iii) distribute the Certificate of the Document Signer Public Key to receiving States and Organizations. The digital signature in the Document Security Object relates to all data in the data in EF.DG1 to EF.DG16 if stored in the LDS according to [ICAO-9303]. OE.Auth_Key_MRTD MRTD Authentication Key The issuing State or Organization has to establish the necessary public key infrastructure in order to (i) generate the MRTD’s Chip Authentication Key Pair, (ii) sign and store the Chip Authentication Public Key in the Chip Authentication Public Key data in EF.DG14 and (iii) support inspection systems of receiving States or organizations to verify the authenticity of the MRTD’s chip used for genuine MRTD by certification of the Chip Authentication Public Key by means of the Document Security Object. OE.Authoriz_Sens_Data Authorization for Use of Sensitive Biometric Reference Data Public Security Target eTravel Essential 1.2 – BAC, EAC and AA activated ST Applicable on: 26/03/2021 Ref: D1521485 Rev: 1.1p Page : 36 / 101 The issuing State or Organization has to establish the necessary public key infrastructure in order to limit the access to sensitive biometric reference data of MRTD’s holders to authorized receiving States or Organizations. The Country Verifying Certification Authority of the issuing State or Organization generates card verifiable Document Verifier Certificates for the authorized Document Verifier only. OE.BAC_PP Fulfillment of the Basic Access Control Protection Profile. It has to be ensured by the issuing State or Organization, that the TOE is additionally successfully evaluated and certified in accordance with the ‘Common Criteria Protection Profile Machine Readable Travel Document with „ICAO Application", Basic Access Control’ [PP-MRTD-BAC]. This is necessary to cover the BAC mechanism ensuring the confidentiality of standard user data and preventing the traceability of the MRTD data. Note that due to the differences within the assumed attack potential the addressed evaluation and certification is a technically separated process. Receiving State or Organization The receiving State or Organization will implement the following security objectives of the TOE environment. OE.Exam_MRTD Examination of the MRTD passport book The inspection system of the receiving State or Organization must examine the MRTD presented by the traveller to verify its authenticity by means of the physical security measures and to detect any manipulation of the physical MRTD. The Basic Inspection System for global interoperability (i) includes the Country Signing CA Public Key and the Document Signer Public Key of each issuing State or Organization, and (ii) implements the terminal part of the Basic Access Control [ICAO-9303]. Additionally General Inspection Systems and Extended Inspection Systems perform the Chip Authentication Protocol to verify the Authenticity of the presented MRTD’s chip. OE.Passive_Auth_Verif Verification by Passive Authentication The border control officer of the receiving State uses the inspection system to verify the traveller as MRTD holder. The inspection systems must have successfully verified the signature of Document Security Objects and the integrity data elements of the logical MRTD before they are used. The receiving States and Organizations must manage the Country Signing CA Public Key and the Document Signer Public Key maintaining their authenticity and availability in all inspection systems. OE.Prot_Logical_MRTD Protection of data from the logical MRTD The inspection system of the receiving State or Organization ensures the confidentiality and integrity of the data read from the logical MRTD. The inspection system will prevent eavesdropping to their communication with the TOE before secure messaging is successfully established based on the Chip Authentication Protocol. Application note: The figure 2.1 in [ASM-EAC] supposes that the GIS and the EIS follow the order (i) running the Basic Access Control Protocol, (ii) reading and verifying only those parts of the logical MRTD that are necessary to know for the Chip Authentication Mechanism (i.e. Document Security Object and Chip Authentication Public Key), (iii) running the Chip Authentication Protocol, and (iv) reading and verifying the less-sensitive data of the logical MRTD after Chip Authentication. The supposed sequence has the advantage that the less-sensitive data are protected by secure messaging with cryptographic keys based on the Chip Authentication Protocol which quality is under control of the TOE. The inspection system will prevent additionally eavesdropping to their communication with the TOE before secure messaging is successfully established based on the Chip Authentication Protocol. Note that reading the less sensitive data directly after Basic Access Control Mechanism is allowed and is not assumed as threat in this PP. But the TOE ensures that reading of sensitive data is possible after successful Chip Authentication and Terminal Authentication Protocol only. OE.Ext_Insp_Systems Authorization of Extended Inspection Systems The Document Verifier of receiving States or Organizations authorizes Extended Inspection Systems by creation of Inspection System Certificates for access to sensitive biometric reference data of the logical MRTD. The Extended Inspection System authenticates themselves to the MRTD’s chip for access to the sensitive biometric reference data with its private Terminal Authentication Key and its Inspection System Certificate. OE.Active_Auth_Sign Active Authentication of logical MRTD by Signature Public Security Target eTravel Essential 1.2 – BAC, EAC and AA activated ST Applicable on: 26/03/2021 Ref: D1521485 Rev: 1.1p Page : 37 / 101 The issuing State or Organization has to establish the necessary public key infrastructure in order to (i) generate the MRTD’s Active Authentication Key Pair, (ii) ensure the secrecy of the MRTD’s Active Authentication Private Key, sign and store the Active Authentication Public Key in the Active Authentication Public Key data in EF.DG15 and (iii) support inspection systems of receiving States or organizations to verify the authenticity of the MRTD’s chip used for genuine MRTD by certification of the Active Authentication Public Key by means of the Document Security Object. OE.Active_Auth_Verif Verification by Active Authentication In addition to the verification by passive authentication, the inspection systems may use the verification by active authentication, which offers a stronger guaranty of the authenticity of the MRTD. 4.2.2 ES Update Security objectives for operational environment TOE including ES Update feature shall use an environment that answer to the next security objectives. OE.ACODE_SECURE_LOAD The additional code can be loaded from a terminal at border control  CVCA entity generates new CVCA link certificates signed by the current CVCA key and DV certificates signed by the new CVCA key to propagate the new certificate chain to all the border controls.  At border control the EAC mechanism is enforced on the Inspection System with the use of the new certificate chain.  TOE application is updated during the document verification (Terminal Authentication). The additional code can be loaded from a terminal as the user mobile  CVCA entity or Thales generates new CVCA link certificates signed by the current CVCA key and embed it with a mobile application  The mobile application is provided to the citizen from an application store.  Citizen uses the mobile application and scans the MRZ of the document with the camera of the smartphone  BAC/SAC followed by at least partial EAC is performed. TOE application is updated. Citizen is informed that the TOE application has been updated by mobile application. The additional code can be loaded using a tool in personalization phase  TOE application is updated during the document personalization (Issuer Authentication). OE.ACODE-VERIFICATION All the additional code shall be verified at least once, during development or before the loading depending on the TOE capabilities, in order to ensure that additional code is valid at execution time. OE.ACODE-EVIDENCE For additional code loaded post-issuance, evaluated technical measures implemented by the TOE or audited organizational measures must ensure that loaded additional code has not been changed since the code verification required in OE.CODE-VERIFICATION. OE.ACODE-TRUSTED-DEVELOPER The additional code developer shall be a trusted actor that provides additional code where correct usage of the TOE has been verified applying a secure development process in a secure development environment. OE.ACODE-ENCRYPTION For additional code loaded post-issuance, the additional code developer shall encrypt the additional code so that its confidentiality is ensured when it is transmitted to the TOE for loading and installation. OE.ACODE-KEY-MANAGEMENT Public Security Target eTravel Essential 1.2 – BAC, EAC and AA activated ST Applicable on: 26/03/2021 Ref: D1521485 Rev: 1.1p Page : 38 / 101 Key management process related to the ES Update shall take place in a secure and audited environment. The key generation process shall guarantee that cryptographic keys are of sufficient quality and appropriately secured to ensure confidentiality, authenticity and integrity of the keys. Code delivery and deployment process related to the ES Update shall be done rules defined in administration guidance. Public Security Target eTravel Essential 1.2 – BAC, EAC and AA activated ST Applicable on: 26/03/2021 Ref: D1521485 Rev: 1.1p Page : 39 / 101 4.3 SECURITY OBJECTIVE RATIONALE 4.3.1 Rationale between objectives and threats, assumptions, OSP The following table provides an overview for security objectives coverage for MRTD application. Table and following explanations are copied from [PP-MRTD-EAC]. Only the shaded parts are added. OT.AC_Pers OT.Data_Int OT.Sens_Data_Conf OT.Identification OT.Chip_Auth_Proof OT.Prot_Abuse-Func OT.Prot_Inf_Leak OT.Prot_Phys-Tamper OT.Prot_Malfunction OT.Activ_Auth_Proof OE.MRTD_Manufact OE.MRTD_Delivery OE.Personalization OE.Pass_Auth_Sign OE.Auth_Key_MRTD OE.Authoriz_Sens_Data OE.BAC-PP OE.Exam_MRTD OE.Passive_Auth_Verif OE.Prot_Logical_MRTD OE.Ext_Insp_Systems OE.Activ.Auth_Sign OE.Active_Auth_Verif T.Read_Sensitive_Data X X X T.Forgery X X X X X X T.Counterfeit X X X T.Abuse-Func X T.Information_Leakage X T.Phys-Tamper X T.Malfunction X P.BAC-PP X P.Sensitive_Data X X X P.Manufact X P.Personalization X X X P.Activ_Auth X X X A.MRTD_Manufact X A.MRTD_Delivery X A.Pers_Agent X A.Insp_Sys X X A.Signature_PKI X X A.Auth_PKI X X Table 2: Security Objective for MRTD Application Rationale The OSP P. BAC-PP is directly addressed by the OE.BAC-PP. The OSP P.Manufact “Manufacturing of the MRTD’s chip” requires a unique identification of the IC by means of the Initialization Data and the writing of the Pre-personalization Data as being fulfilled by OT.Identification. The OSP P.Personalization “Personalization of the MRTD by issuing State or Organization only” addresses the (i) the enrolment of the logical MRTD by the Personalization Agent as described in the security objective for the TOE environment OE.Personalization “Personalization of logical MRTD”, and (ii) the access control for the user data and TSF data as described by the security objective OT.AC_Pers “Access Control for Personalization of logical MRTD”. Note the manufacturer equips the TOE with the Personalization Agent Key(s) according to OT.Identification “Identification and Authentication of the TOE”. The security objective OT.AC_Pers limits the management of TSF data and the management of TSF to the Personalization Agent. The OSP P.Sensitive_Data “Privacy of sensitive biometric reference data” is fulfilled and the threat T.Read_Sensitive_Data “Read the sensitive biometric reference data” is countered by the TOE- Public Security Target eTravel Essential 1.2 – BAC, EAC and AA activated ST Applicable on: 26/03/2021 Ref: D1521485 Rev: 1.1p Page : 40 / 101 objective OT.Sens_Data_Conf “Confidentiality of sensitive biometric reference data” requiring that read access to EF.DG3 and EF.DG4 (containing the sensitive biometric reference data) is only granted to authorized inspection systems. Furthermore it is required that the transmission of these data ensures the data’s confidentiality. The authorization bases on Document Verifier certificates issued by the issuing State or Organization as required by OE.Authoriz_Sens_Data “Authorization for use of sensitive biometric reference data”. The Document Verifier of the receiving State has to authorize Extended Inspection Systems by creating appropriate Inspection System certificates for access to the sensitive biometric reference data as demanded by OE.Ext_Insp_Systems “Authorization of Extended Inspection Systems”. The OSP P.Activ_Auth “Active Authentication” addresses the active authentication protocol as described in [ICAO-9303]. The TOE environment will detect partly forged logical MRTD data by means of digital signature which will be created according to OE.Active_Auth_Sign “Active Authentication of logical MRTD by Signature” and verified by the inspection system according to OE.Active_Auth_Verif “Verification by Active Authentication”. This is possible only because genuine TOE enforce AA as specified in OT.Activ_Auth_Proof. The threat T.Forgery “Forgery of data on MRTD’s chip” addresses the fraudulent alteration of the complete stored logical MRTD or any part of it. The security objective OT.AC_Pers “Access Control for Personalization of logical MRTD“ requires the TOE to limit the write access for the logical MRTD to the trustworthy Personalization Agent (cf. OE.Personalization). The TOE will protect the integrity of the stored logical MRTD according the security objective OT.Data_Int “Integrity of personal data” and OT.Prot_Phys-Tamper “Protection against Physical Tampering”. The examination of the presented MRTD passport book according to OE.Exam_MRTD “Examination of the MRTD passport book” shall ensure that passport book does not contain a sensitive contactless chip which may present the complete unchanged logical MRTD. The TOE environment will detect partly forged logical MRTD data by means of digital signature which will be created according to OE.Pass_Auth_Sign “Authentication of logical MRTD by Signature” and verified by the inspection system according to OE.Passive_Auth_Verif “Verification by Passive Authentication The threat T.Counterfeit “MRTD’s chip” addresses the attack of unauthorized copy or reproduction of the genuine MRTD chip. This attack is thwarted by chip an identification and authenticity proof required by OT.Chip_Auth_Proof “Proof of MRTD’s chip authentication” using a authentication key pair to be generated by the issuing State or Organization. The Public Chip Authentication Key has to be written into EF.DG14 and signed by means of Documents Security Objects as demanded by OE.Auth_Key_MRTD “MRTD Authentication Key”. According to OE.Exam_MRTD “Examination of the MRTD passport book” the General Inspection system has to perform the Chip Authentication Protocol to verify the authenticity of the MRTD’s chip. ”. The threat T.Abuse-Func “Abuse of Functionality” addresses attacks of misusing MRTD’s functionality to disable or bypass the TSFs. The security objective for the TOE OT.Prot_Abuse-Func “Protection against abuse of functionality” ensures that the usage of functions which may not be used in the “Operational Use” phase is effectively prevented. Therefore attacks intending to abuse functionality in order to disclose or manipulate critical (User) Data or to affect the TOE in such a way that security features or TOE’s functions may be bypassed, deactivated, changed or explored shall be effectively countered. The threats T.Information_Leakage “Information Leakage from MRTD’s chip”, T.Phys-Tamper “Physical Tampering” and T.Malfunction “Malfunction due to Environmental Stress” are typical for integrated circuits like smart cards under direct attack with high attack potential. The protection of the TOE against these threats is addressed by the directly related security objectives OT.Prot_Inf_Leak “Protection against Information Leakage”, OT.Prot_Phys-Tamper “Protection against Physical Tampering” and OT.Prot_Malfunction “Protection against Malfunctions”. OT.Active_Auth_Proof “Proof of MRTD’s chip authenticity through AA” using an authentication key pair to be generated by the issuing State or Organization. The Public Active Authentication Key has to be written into EF.DG15 The TOE environment will also detect partly forged logical MRTD data by means of digital signature which will be created according to OE.Active_Auth_Sign “Active Authentication of logical MRTD by Public Security Target eTravel Essential 1.2 – BAC, EAC and AA activated ST Applicable on: 26/03/2021 Ref: D1521485 Rev: 1.1p Page : 41 / 101 Signature” and verified by the inspection system according to OE.Active_Auth_Verif “Verification by Active Authentication”. The assumption A.MRTD_Manufact “MRTD manufacturing on step 4 to 6” is covered by the security objective for the TOE environment OE.MRTD_Manufact “Protection of the MRTD Manufacturing” that requires to use security procedures during all manufacturing steps. The assumption A.MRTD_ Delivery “MRTD delivery during step 4 to 6” is covered by the security objective for the TOE environment OE.MRTD_ Delivery “Protection of the MRTD delivery” that requires to use security procedures during delivery steps of the MRTD. The assumption A.Pers_Agent “Personalization of the MRTD’s chip” is covered by the security objective for the TOE environment OE.Personalization “Personalization of logical MRTD” including the enrolment, the protection with digital signature and the storage of the MRTD holder personal data. The examination of the MRTD passport book addressed by the assumption A.Insp_Sys “Inspection Systems for global interoperability” is covered by the security objectives for the TOE environment OE.Exam_MRTD “Examination of the MRTD passport book” which requires the inspection system to examine physically the MRTD, the Basic Inspection System to implement the Basic Access Control, and the General Inspection Systems and Extended Inspection Systems to implement and to perform the Chip Authentication Protocol to verify the Authenticity of the presented MRTD’s chip. The security objectives for the TOE environment OE.Prot_Logical_MRTD “Protection of data from the logical MRTD” require the Inspection System to protect the logical MRTD data during the transmission and the internal handling. The assumption A.Signature_PKI “PKI for Passive Authentication” is directly covered by the security objective for the TOE environment OE.Pass_Auth_Sign “Authentication of logical MRTD by Signature” covering the necessary procedures for the Country Signing CA Key Pair and the Document Signer Key Pairs. The implementation of the signature verification procedures is covered by OE.Exam_MRTD “Examination of the MRTD passport book”. The assumption A.Auth_PKI “PKI for Inspection Systems” is covered by the security objective for the TOE environment OE.Authoriz_Sens_Data “Authorization for use of sensitive biometric reference data” requires the CVCA to limit the read access to sensitive biometrics by issuing Document Verifier certificates for authorized receiving States or Organizations only. The Document Verifier of the receiving State is required by OE.Ext_Insp_Systems “Authorization of Extended Inspection Systems” to authorize Extended Inspection Systems by creating Inspection System Certificates. Therefore, the receiving issuing State or Organization has to establish the necessary public key infrastructure. Public Security Target eTravel Essential 1.2 – BAC, EAC and AA activated ST Applicable on: 26/03/2021 Ref: D1521485 Rev: 1.1p Page : 42 / 101 The following table provides an overview for security objectives coverage for ES Update feature. Table and following explanations are associated only to ES Update feature O.SECURE_LOAD_ACODE O.SECURE_ACTIVATION_ACODE O.TOE_IDENTIFICATION O.CONFID_LOAD_ACODE OE.ACODE-SECURE_LOAD OE.ACODE-VERIFICATION OE.ACODE-EVIDENCE OE.ACODE-TRUSTED-DEVELOPER OE.ACODE-ENCRYPTION OE.ACODE-KEY-MANAGEMENT T.UNAUTHORIZED_ES_UPDATE X X X X T.FAKE-SGNVER-KEY X X T.WRONG-UPDATE-STATE X X T.INTEG- ACODE_LOAD X T.CONFID- ACODE_LOAD X X X P.ATOMIC_ACTIVATION X P.TOE_IDENTIFICATION X P.ACODE_SIGNING X X X P.ACODE_ENCRYPTION X X A.ACODE-EVIDENCE X X A.ACODE-KEY-MANAGEMENT X Table 3: Security Objective for ES Update Rationale The threat T.UNAUTHORIZED_ES_UPDATE is addressed by the O.SECURE_LOAD_ACODE and by OE.ACODE_SECURE_LOAD, OE.ACODE-VERIFICATION and OE.ACODE-TRUSTED- DEVELOPER. The threat T.FAKE-SGNVER-KEY is addressed by the O.SECURE_LOAD_ACODE and by OE.ACODE-KEY-MANAGEMENT. The threat T.WRONG-UPDATE-STATE is addressed by the O.SECURE_ACTIVATION_ACODE and O.TOE_IDENTIFICATION. The threat T.INTEG-ACODE_LOAD is addressed by the O.SECURE_LOAD_ACODE. The threat T.CONFID-ACODE_LOAD is addressed by the O.CONFID-LOAD_ACODE and by OE.ACODE-ENCRYPTION and OE.ACODE-KEY-MANAGEMENT. The OSP P.ATOMIC_ACTIVATION is directly addressed by O.SECURE_ACTIVATION_ACODE. The OSP P.TOE_IDENTIFICATION is directly addressed by O.TOE_IDENTIFICATION. The OSP P.ACODE_SIGNING is directly addressed by O.SECURE_LOAD_ACODE and OE.ACODE- VERIFICATION and OE.ACODE-TRUSTED-DEVELOPER. The OSP P.ACODE_ENCRYPTION is directly addressed by O.CONFID-LOAD_ACODE and OE.ACODE-ENCRYPTION. The assumption A.ACODE-EVIDENCE is directly addressed by the security objective for the TOE environment OE.ACODE-EVIDENCE, and OE.ACODE-TRUSTED-DEVELOPER. The assumption A.ACODE-KEY-MANAGEMENT is directly addressed by the security objective for the TOE environment OE.ACODE-KEY-MANAGEMENT. Public Security Target eTravel Essential 1.2 – BAC, EAC and AA activated ST Applicable on: 26/03/2021 Ref: D1521485 Rev: 1.1p Page : 43 / 101 4.3.2 Compatibility between objectives of [ST_BAC_EAC] and [ST-IC] 4.3.2.1 Compatibility between objectives for the TOE OT.Sens_Data_Conf, OT.Chip_Auth_Proof, OT.AC_Pers, and OT.Activ_Auth_Proof are specific to [ST_BAC_EAC] and they do no conflict with the objectives of [ST-IC]. OT.Data_Int is included in O.Phys-Manipulation. OT.Identification is included in O.Identification. OT.Prot_Abuse-Func is included in O.Abuse-Func. OT.Prot_Inf_Leak is included in O.Leak-Inherent and O.Leak-Forced. OT.Prot_Phys-Tamper is included in O.Phys-Manipulation. OT.Prot_Malfunction is included in O.Malfunction. O.SECURE_LOAD_ACODE, O.SECURE_ACTIVATION_ACODE, O.CONFID-LOAD_ACODE are partially covered by O.Phys-Manipulation, O.Abuse-Func, O.Leak-Inherent, O.Leak-Forced, and O.Malfunction but also by O.RND, O.Prot_TSF_Confidentiality and O.Mem-Access. O.TOE_IDENTIFICATION is partially covered by O.Identification but also by O.Mem-Access. We can therefore conclude that the objectives for the TOE of [ST_BAC_EAC] and [ST-IC] are consistent. 4.3.2.2 Compatibility between objectives for the environment OE.MRTD_Manufact, OE.MRTD_ Delivery, OE.Personalization are included in OE.ProcessSec-IC. OE.Auth_Key_MRTD, OE.Authoriz_Sens_Data, OE.BAC_PP, OE.Exam_MRTD, OE.Prot_Logical_MRTD, OE.Ext_Insp_Systems, OE.Pass_Auth_Sign, OE.Passive_Auth_Verif, OE.Active_Auth_Sign, and OE.Active_Auth_Verif, are specific to [ST_BAC_EAC] and they do no conflict with the objectives of [ST-IC]. OE.ACODE_SECURE_LOAD is partially covered by OE.Process-Sec-IC. OE.ACODE-KEY-MANAGEMENT is partially covered by OE.Resp-Appl. OE.ACODE-VERIFICATION, OE.ACODE-EVIDENCE, OE.ACODE-TRUSTED-DEVELOPER, OE.ACODE-ENCRYPTION are specific to [ST_BAC_EAC] and they do no conflict with the objectives of [ST-IC]. We can therefore conclude that the objectives for the environment of [ST_BAC_EAC] and [ST-IC] are consistent. 4.3.3 Justifications for adding objectives on the environment 4.3.3.1 Additions to [PP-MRTD-EAC] The only additional objectives on the environment for MRTD application are OE.Active_Auth_Sign and OE.Active_Auth_Verif. These objectives request the environment to support Active Authentication. AA is an operation outside [PP-MRTD-EAC]. Therefore the added objectives on the environment do not weaken the TOE. 4.3.3.2 Addition for ES Update feature The additional objectives on the environment for ES update are:  OE.ACODE_SECURE_LOAD,  OE.ACODE-VERIFICATION,  OE.ACODE-EVIDENCE,  OE.ACODE-TRUSTED-DEVELOPER, Public Security Target eTravel Essential 1.2 – BAC, EAC and AA activated ST Applicable on: 26/03/2021 Ref: D1521485 Rev: 1.1p Page : 44 / 101  OE.ACODE-ENCRYPTION,  OE.ACODE-KEY-MANAGEMENT. These additional objectives on the environment for ES update does not directly interact with objectives on the environment for MRTD application. 5. EXTENDED COMPONENTS DEFINITION This security target uses components defined as extensions to CC part 2. Some of these components are defined in protection profile [PP-IC-0084]; others are defined in the protection profile [PP-MRTD- EAC]. 5.1 DEFINITION OF THE FAMILY FAU_SAS To define the security functional requirements of the TOE a sensitive family (FAU_SAS) of the Class FAU (Security Audit) is defined here. This family describes the functional requirements for the storage of audit data. It has a more general approach than FAU_GEN, because it does not necessarily require the data to be generated by the TOE itself and because it does not give specific details of the content of the audit records. The family “Audit data storage (FAU_SAS)” is specified as follows. FAU_SAS Audit data storage Family behaviour This family defines functional requirements for the storage of audit data. Component levelling FAU_SAS Audit data storage 1 FAU_SAS.1 Requires the TOE to provide the possibility to store audit data. Management: FAU_SAS.1 There are no management activities foreseen. Audit: FAU_SAS.1 There are no actions defined to be auditable. FAU_SAS.1 Audit storage Hierarchical to: No other components Dependencies: No dependencies FAU_SAS.1.1 The TSF shall provide [assignment: authorized users] with the capability to store [assignment: list of audit information] in the audit records. Public Security Target eTravel Essential 1.2 – BAC, EAC and AA activated ST Applicable on: 26/03/2021 Ref: D1521485 Rev: 1.1p Page : 45 / 101 5.2 DEFINITION OF THE FAMILY FCS_RND To define the IT security functional requirements of the TOE a sensitive family (FCS_RND) of the Class FCS (cryptographic support) is defined here. This family describes the functional requirements for random number generation used for cryptographic purposes. The component FCS_RND is not limited to generation of cryptographic keys unlike the component FCS_CKM.1. The similar component FIA_SOS.2 is intended for non-cryptographic use. The family “Generation of random numbers (FCS_RND)” is specified as follows. FCS_RND Generation of random numbers Family behaviour This family defines quality requirements for the generation of random numbers which are intended to be used for cryptographic purposes. Component levelling: FCS_RND Generation of random numbers 1 FCS_RND.1 Generation of random numbers requires that random numbers meet a defined quality metric. Management: FCS_RND.1 There are no management activities foreseen. Audit: FCS_RND.1 There are no actions defined to be auditable. FCS_RND.1 Quality metric for random numbers Hierarchical to: No other components Dependencies: No dependencies FCS_RND.1.1 The TSF shall provide a mechanism to generate random numbers that meet [assignment: a defined quality metric]. Public Security Target eTravel Essential 1.2 – BAC, EAC and AA activated ST Applicable on: 26/03/2021 Ref: D1521485 Rev: 1.1p Page : 46 / 101 5.3 DEFINITION OF THE FAMILY FIA_API To describe the IT security functional requirements of the TOE a sensitive family (FIA_API) of the Class FIA (Identification and authentication) is defined here. This family describes the functional requirements for the proof of the claimed identity for the authentication verification by an external entity where the other families of the class FIA address the verification of the identity of an external entity. FIA_API Authentication Proof of Identity Family behaviour This family defines functions provided by the TOE to prove their identity and to be verified by an external entity in the TOE IT environment. Component levelling: FIA_API Authentication Proof of Identity 1 FIA_API.1 Authentication Proof of Identity. Management: FIA_API.1 The following actions could be considered for the management functions in FMT: Management of authentication information used to prove the claimed identity. Audit: There are no actions defined to be auditable. FIA_API.1 Authentication Proof of Identity Hierarchical to: No other components Dependencies: No dependencies FIA_API.1.1 The TSF shall provide a [assignment: authentication mechanism] to prove the identity of the [assignment: authorized user or role]. Public Security Target eTravel Essential 1.2 – BAC, EAC and AA activated ST Applicable on: 26/03/2021 Ref: D1521485 Rev: 1.1p Page : 47 / 101 5.4 DEFINITION OF THE FAMILY FMT_LIM The family FMT_LIM describes the functional requirements for the Test Features of the TOE. The new functional requirements were defined in the class FMT because this class addresses the management of functions of the TSF. The examples of the technical mechanism used in the TOE show that no other class is appropriate to address the specific issues of preventing the abuse of functions by limiting the capabilities of the functions and by limiting their availability. The family “Limited capabilities and availability (FMT_LIM)” is specified as follows. FMT_LIM Limited capabilities and availability Family behaviour This family defines requirements that limit the capabilities and availability of functions in a combined manner. Note that FDP_ACF restricts the access to functions whereas the Limited capability of this family requires the functions themselves to be designed in a specific manner. Component levelling: FMT_LIM Limited capabilities and availability 1 2 FMT_LIM.1 Limited capabilities requires that the TSF is built to provide only the capabilities (perform action, gather information) necessary for its genuine purpose. FMT_LIM.2 Limited availability requires that the TSF restrict the use of functions (refer to Limited capabilities (FMT_LIM.1)). This can be achieved, for instance, by removing or by disabling functions in a specific phase of the TOE’s life-cycle. Management: FMT_LIM.1, FMT_LIM.2 There are no management activities foreseen. Audit: FMT_LIM.1, FMT_LIM.2 There are no actions defined to be auditable. To define the IT security functional requirements of the TOE a sensitive family (FMT_LIM) of the Class FMT (Security Management) is defined here. This family describes the functional requirements for the Test Features of the TOE. The new functional requirements were defined in the class FMT because this class addresses the management of functions of the TSF. The examples of the technical mechanism used in the TOE show that no other class is appropriate to address the specific issues of preventing the abuse of functions by limiting the capabilities of the functions and by limiting their availability. The TOE Functional Requirement “Limited capabilities (FMT_LIM.1)” is specified as follows. FMT_LIM.1 Limited capabilities Hierarchical to: No other components Dependencies: FMT_LIM.2 Limited availability. FMT_LIM.1.1 The TSF shall be designed in a manner that limits their capabilities so that in conjunction with “Limited availability (FMT_LIM.2)” the following policy is enforced [assignment: Limited capability and availability policy]. The TOE Functional Requirement “Limited availability (FMT_LIM.2)” is specified as follows. Public Security Target eTravel Essential 1.2 – BAC, EAC and AA activated ST Applicable on: 26/03/2021 Ref: D1521485 Rev: 1.1p Page : 48 / 101 FMT_LIM.2 Limited availability Hierarchical to: No other components Dependencies: FMT_LIM.1 Limited capabilities. FMT_LIM.2.1 The TSF shall be designed in a manner that limits their availability so that in conjunction with “Limited capabilities (FMT_LIM.1)” the following policy is enforced [assignment: Limited capability and availability policy]. Application note: The functional requirements FMT_LIM.1 and FMT_LIM.2 assume that there are two types of mechanisms (limited capabilities and limited availability) which together shall provide protection in order to enforce the policy. This also allows that (i) the TSF is provided without restrictions in the product in its user environment but its capabilities are so limited that the policy is enforced or conversely (ii) the TSF is designed with test and support functionality that is removed from, or disabled in, the product prior to the Operational Use Phase. The combination of both requirements shall enforce the policy. Public Security Target eTravel Essential 1.2 – BAC, EAC and AA activated ST Applicable on: 26/03/2021 Ref: D1521485 Rev: 1.1p Page : 49 / 101 5.5 DEFINITION OF THE FAMILY FPT_EMS The sensitive family FPT_EMS (TOE Emanation) of the Class FPT (Protection of the TSF) is defined here to describe the IT security functional requirements of the TOE. The TOE shall prevent attacks against the TOE and other secret data where the attack is based on external observable physical phenomena of the TOE. Examples of such attacks are evaluation of TOE’s electromagnetic radiation, simple power analysis (SPA), differential power analysis (DPA), timing attacks, etc. This family describes the functional requirements for the limitation of intelligible emanations which are not directly addressed by any other component of CC part 2 [CC-2]. The family “TOE Emanation (FPT_EMS)” is specified as follows: FPT_EMS TOE emanation Family behavior This family defines requirements to mitigate intelligible emanations. Component leveling: FPT_EMSEC TOE emanation 1 FPT_EMS.1 TOE emanation has two constituents: FPT_EMS.1.1 Limit of Emissions requires to not emit intelligible emissions enabling access to TSF data or user data. FPT_EMS.1.2 Interface Emanation requires to not emit interface emanation enabling access to TSF data or user data. Management: FPT_EMS.1 There are no management activities foreseen. Audit: FPT_EMS.1 There are no actions defined to be auditable. FPT_EMS.1 TOE Emanation Hierarchical to: No other components Dependencies: No dependencies. FPT_EMS.1.1 The TOE shall not emit [assignment: types of emissions] in excess of [assignment: specified limits] enabling access to [assignment: list of types of TSF data] and [assignment: list of types of user data]. FPT_EMS.1.2 The TSF shall ensure [assignment: type of users] are unable to use the following interface [assignment: type of connection] to gain access to [assignment: list of types of TSF data] and [assignment: list of types of user data]. Public Security Target eTravel Essential 1.2 – BAC, EAC and AA activated ST Applicable on: 26/03/2021 Ref: D1521485 Rev: 1.1p Page : 50 / 101 6. SECURITY REQUIREMENTS The definition of the subjects “Manufacturer”, “Pre-personalization Agent”, “Personalization Agent”, “Extended Inspection System”, “Country Verifying Certification Authority”, “Document Verifier” and “Terminal” used in the following chapter is given in section 3.1. Note, that all these subjects are acting for homonymous external entities. All used objects are defined either in section 7 or in the following table. The operations “write”, “modify”, “read” and “disable read access” are used in accordance with the general linguistic usage. The operations “store”, “create”, “transmit”, “receive”, “establish communication channel”, “authenticate” and “re-authenticate” are originally taken from [CC-2]. The operation “load” is synonymous to “import” used in [CC-2]. Definition of security attributes: security attribute values meaning terminal authentication status none (any Terminal) default role (i.e. without authorisation after start-up) CVCA roles defined in the certificate used for authentication (cf. [TR-EAC-1], A.5.1); Terminal is authenticated as Country Verifying Certification Authority after successful CA and TA DV (domestic) roles defined in the certificate used for authentication (cf. [TR-EAC-1], A.5.1); Terminal is authenticated as domestic Document Verifier after successful CA and TA DV (foreign) roles defined in the certificate used for authentication (cf. [TR-EAC-1], A.5.1); Terminal is authenticated as foreign Document Verifier after successful CA and TA IS roles defined in the certificate used for authentication (cf. [TR-EAC-1], A.5.1); Terminal is authenticated as Extended Inspection System after successful CA and TA Terminal Authorization none DG4 (Iris) Read access to DG4: (cf. [TR-EAC-1], A.5.1) DG3 (Fingerprint) Read access to DG3: (cf. [TR-EAC-1], A.5.1) DG3 (Iris) / DG4 (Fingerprint) Read access to DG3 and DG4: (cf. [TR-EAC-1], A.5.1) Table 4: MRTD security attributes The following table provides an overview of the keys and certificates used: Name Data Country Verifying Certification Authority Private Key (SKCVCA) The Country Verifying Certification Authority (CVCA) holds a private key (SKCVCA) used for signing the Document Verifier Certificates. Country Verifying Certification Authority Public Key (PKCVCA) The TOE stores the Country Verifying Certification Authority Public Key (PKCVCA) as part of the TSF data to verify the Document Verifier Certificates. The PKCVCA has the security attribute Current Date as the most recent valid effective date of the Country Verifying Certification Authority Certificate or of a domestic Document Verifier Certificate. Country Verifying Certification Authority Certificate (CCVCA) The Country Verifying Certification Authority Certificate may be a self- signed certificate or a link certificate (cf. [TR-EAC-1] and Glossary). It contains (i) the Country Verifying Certification Authority Public Key (PKCVCA) as authentication reference data, (ii) the coded access control rights of the Country Verifying Certification Authority, (iii) the Public Security Target eTravel Essential 1.2 – BAC, EAC and AA activated ST Applicable on: 26/03/2021 Ref: D1521485 Rev: 1.1p Page : 51 / 101 Name Data Certificate Effective Date and the Certificate Expiration Date as security attributes. Document Verifier Certificate (CDV) The Document Verifier Certificate CDV is issued by the Country Verifying Certification Authority. It contains (i) the Document Verifier Public Key (PKDV) as authentication reference data (ii) identification as domestic or foreign Document Verifier, the coded access control rights of the Document Verifier, the Certificate Effective Date and the Certificate Expiration Date as security attributes. Inspection System Certificate (CIS) The Inspection System Certificate (CIS) is issued by the Document Verifier. It contains (i) as authentication reference data the Inspection System Public Key (PKIS), (ii) the coded access control rights of the Extended Inspection System, the Certificate Effective Date and the Certificate Expiration Date as security attributes. Chip Authentication Public Key Pair The Chip Authentication Public Key Pair (SKICC, PKICC) are used for Key Agreement Protocol: Diffie-Hellman (DH) according to RFC 2631 or Elliptic Curve Diffie-Hellman according to ISO 15946. Chip Authentication Public Key (PKICC) The Chip Authentication Public Key (PKICC) is stored in the EF.DG14 Chip Authentication Public Key of the TOE’s logical MRTD and used by the inspection system for Chip Authentication of the MRTD’s chip. It is part of the user data provided by the TOE for the IT environment. Chip Authentication Private Key (SKICC) The Chip Authentication Private Key (SKICC) is used by the TOE to authenticate itself as authentic MRTD’s chip. It is part of the TSF data. Country Signing Certification Authority Key Pair Country Signing Certification Authority of the issuing State or Organization signs the Document Signer Public Key Certificate with the Country Signing Certification Authority Private Key and the signature will be verified by receiving State or Organization (e.g. a Basic Inspection System) with the Country Signing Certification Authority Public Key. Document Signer Key Pairs Document Signer of the issuing State or Organization signs the Document Security Object of the logical MRTD with the Document Signer Private Key and the signature will be verified by a Basic Inspection Systems of the receiving State or Organization with the Document Signer Public Key. Document Basic Access Keys The Document Basic Access Key is created by the Personalization Agent, loaded to the TOE, and used for mutual authentication and key agreement for secure messaging between the Basic Inspection System and the MRTD’s chip. BAC Session Keys Secure messaging Triple-DES key and Retail-MAC key agreed between the TOE and a BIS in result of the Basic Access Control Authentication Protocol. Chip Session Key Secure messaging Triple-DES key and Retail-MAC key agreed between the TOE and a GIS in result of the Chip Authentication Protocol. Table 5: MRTD Keys and Certificates Application note 20: The Country Verifying Certification Authority identifies a Document Verifier as “domestic” in the Document Verifier Certificate if it belongs to the same State as the Country Verifying Certification Authority. The Country Verifying Certification Authority identifies a Document Verifier as “foreign” in the Document Verifier Certificate if it does not belong to the same State as the Country Verifying Certification Authority. From MRTD’s point of view the domestic Document Verifier belongs to the issuing State or Organization. Public Security Target eTravel Essential 1.2 – BAC, EAC and AA activated ST Applicable on: 26/03/2021 Ref: D1521485 Rev: 1.1p Page : 52 / 101 6.1 SECURITY FUNCTIONAL REQUIREMENTS FOR THE TOE This section on security functional requirements for the TOE is divided into sub-section following the main security functionality. Refinements in this section are in underline font when the SFR’s refinement is already present in [PP- MRTD-EAC], and in bold font when the refinement is done in this ST. When the SFR is refined in the [PP-MRTD-EAC] and additionally refined in this ST then the font is bold and underline. 6.1.1 SFR for MRTD application 6.1.1.1 Class FAU Security Audit The TOE shall meet the requirement “Audit storage (FAU_SAS.1)” as specified below (Common Criteria Part 2 extended). FAU_SAS.1 Audit storage Hierarchical to: No other components Dependencies: No dependencies FAU_SAS.1.1 The TSF shall provide the Manufacturer with the capability to store the IC Identification Data in the audit records. 6.1.1.2 Class Cryptographic Support (FCS) The TOE shall meet the requirement “Cryptographic key generation (FCS_CKM.1)” as specified below (Common Criteria Part 2). The iterations are caused by different cryptographic key generation algorithms to be implemented and key to be generated by the TOE. FCS_CKM.1/CA Cryptographic key generation – Diffie-Hellman for Chip Authentication session keys Hierarchical to: No other components Dependencies: [FCS_CKM.2 Cryptographic key distribution or FCS_COP.1 Cryptographic operation] ]: fulfilled by FCS_COP.1/CA_MAC FCS_CKM.4 Cryptographic key destruction: fulfilled by FCS_CKM.4 FCS_CKM.1.1 /CA The TSF shall generate cryptographic keys in accordance with a specified cryptographic key generation algorithm [assignment: cryptographic key generation algorithm] and specified cryptographic key sizes [assignment: cryptographic key sizes] that meet the following: [selection: based on the Diffie-Hellman key derivation protocol compliant to [PKCS#3] and [TR-EAC-1] , based on an ECDH protocol compliant to [TR-ECC] ]. iteration algorithm Key size /TDESsession-DH DH Key Agreement Algorithm - PKCS#3 – 1024, 1280, 1536, 2048 and 3072 bits 112 bits /AESsession-DH DH Key Agreement Algorithm - PKCS#3 – 1024, 1280, 1536, 2048 and 3072 bits 128, 192, and 256 bits /TDESsession-ECDH ECDH Key Agreement Algorithm - ISO 15946 – 160, 192, 224, 256, 320, 384, 512 and 521 bits 112 bits /AESsession-ECDH ECDH Key Agreement Algorithm - ISO 15946 – 160, 192, 224, 256, 320, 384, 512 and 521 bits 128, 192, and 256 bits Table 6: FCS_CKM.1/CA refinement Public Security Target eTravel Essential 1.2 – BAC, EAC and AA activated ST Applicable on: 26/03/2021 Ref: D1521485 Rev: 1.1p Page : 53 / 101 FCS_CKM.1/KeyPair Cryptographic key generation for AA and CA Key Pair Hierarchical to: No other components Dependencies: [FCS_CKM.2 Cryptographic key distribution or FCS_COP.1 Cryptographic operation]: fulfilled by FCS_COP.1/AA, FCS_COP.1/CA_MAC and FCS_COP.1/SYM FCS_CKM.4 Cryptographic key destruction: not fulfilled, see application note FCS_CKM.1.1 /KeyPair The TSF shall generate cryptographic keys in accordance with a specified cryptographic key generation algorithm [assignment: cryptographic key generation algorithm] and specified cryptographic key sizes [assignment: cryptographic key sizes] that meet the following: [assignment: list of standards]. iteration algorithm Key size standard AA/RSA RSA CRT Key generation 1280, 1536, 2048, 3072 and 4096 bits none (generation of random numbers and Miller- Rabin primality testing) AA/ECC ECC Key generation 160, 192, 224, 256, 320, 384, 512 and 521 bits [FIPS 186-4] Appendix B.4.1 CA/DH DH key generation 1024, 1280, 1536, 2048 and 3072 bits [ANSI X9.42] CA/ECDH ECDH Key generation 160, 192, 224, 256, 320, 384, 512 and 521 bits [IEEE-P1363] Table 7: FCS_CKM.1/AA&CA refinement Application notes:  The dependency of FCS_CKM1/KeyPair on FCS_COP.1 is partly fulfilled by FCS_COP.1/CA_MAC and FCS_COP.1/SYM. This dependence is not direct: FCS_CKM1/KeyPair generates a static key which in turn generate session keys, via FCS_CKM1/CA. These session keys then use FCS_COP.1/CA_MAC and FCS_COP.1/SYM.  The dependency of FCS_CKM1/KeyPair on FCS_CKM.4 is not fulfilled as these are permanent keys used on the card during its life-time. FCS_CKM.1/PERSO Cryptographic key generation for Session keys Hierarchical to: No other components Dependencies: [FCS_CKM.2 Cryptographic key distribution or FCS_COP.1 Cryptographic operation]: fulfilled by FCS_COP.1/PERSO FCS_CKM.4 Cryptographic key destruction]: fulfilled by FCS_CKM.4 FCS_CKM.1.1 /PERSO The TSF shall generate cryptographic keys in accordance with a specified cryptographic key generation algorithm [assignment: cryptographic key generation algorithm] and specified cryptographic key sizes [assignment: cryptographic key sizes] that meet the following: [assignment: list of standards]. iteration algorithm Key size standard /TDES TDES ISK key derivation 112 bits [ICAO-9303] normative appendix 5 /AES AES ISK key derivation 256 bits [ICAO-9303] normative appendix 5 Table 8: FCS_CKM.1/PERSO refinement Public Security Target eTravel Essential 1.2 – BAC, EAC and AA activated ST Applicable on: 26/03/2021 Ref: D1521485 Rev: 1.1p Page : 54 / 101 The TOE shall meet the requirement “Cryptographic key destruction (FCS_CKM.4)” as specified below (Common Criteria Part 2). FCS_CKM.4 Cryptographic key destruction Hierarchical to: No other components Dependencies: [FDP_ITC.1 Import of user data without security attributes, or FDP_ITC.2 Import of user data with security attributes, or FCS_CKM.1 Cryptographic key generation]: fulfilled by, FCS_CKM.1/CA, and FCS_CKM.1/PERSO. FCS_CKM.4.1 The TSF shall destroy cryptographic keys in accordance with a specified cryptographic key destruction method Secure erasing of the value that meets the following: None. Application note: Secure erasing of data is performed by overwriting the data with random numbers. FCS_COP.1/SHA Cryptographic operation – Hash for Key Derivation by MRTD Hierarchical to: No other components. Dependencies: [FDP_ITC.1 Import of user data without security attributes, or FDP_ITC.2 Import of user data with security attributes, or FCS_CKM.1 Cryptographic key generation] FCS_CKM.4 Cryptographic key destruction FCS_COP.1.1/ SHA The TSF shall perform hashing in accordance with a specified cryptographic algorithm SHA-1, SHA-224, SHA-256, SHA-384, SHA-512 and cryptographic key sizes none that meet the following: FIPS 180-2. FCS_COP.1/SYM Cryptographic operation – Symmetric Encryption / Decryption Hierarchical to: No other components. Dependencies: [FDP_ITC.1 Import of user data without security attributes, or FDP_ITC.2 Import of user data with security attributes, or FCS_CKM.1 Cryptographic key generation]: fulfilled by FCS_CKM.1/CA FCS_CKM.4 Cryptographic key destruction: fulfilled by FCS_CKM.4. FCS_COP.1.1 /SYM The TSF shall perform secure messaging – encryption and decryption in accordance with a specified cryptographic algorithm Table 9: algorithm and cryptographic key sizes Table 9: Key size that meet the following: Table 9: list of standards. iteration algorithm Key size List of standards /ENC_TDES TDES in CBC mode 112 bits TR-03110 /ENC_AES AES in CBC mode 128, 192, 256 ISO 10116 Table 9: FCS_COP.1/SYM refinements FCS_COP.1/SIG_VER Cryptographic operation – Signature verification by MRTD Hierarchical to: No other components. Dependencies: [FDP_ITC.1 Import of user data without security attributes, or FDP_ITC.2 Import of user data with security attributes, or FCS_CKM.1 Cryptographic key generation]: fulfilled by FCS_CKM.1/CA FCS_CKM.4 Cryptographic key destruction: fulfilled by FCS_CKM.4. Public Security Target eTravel Essential 1.2 – BAC, EAC and AA activated ST Applicable on: 26/03/2021 Ref: D1521485 Rev: 1.1p Page : 55 / 101 FCS_COP.1.1 /SIG_VER The TSF shall perform digital signature verification in accordance with a specified cryptographic algorithm Table 10: algorithm and cryptographic key sizes Table 10: Key size that meet the following: Table 10: list of standards. iteration algorithm Key size List of standards /RSA_VER RSA (STD) 1024, 1280, 1536, 2048, 3072, 4096 bits RSA SHA PKCS#1 RSA SHA PKCS#1 PSS /ECC_VER ECC 160, 192, 224, 256, 320, 384, 512, 521 [TR-ECC] ECDSA SHA Table 10: FCS_COP.1/SIG_VER refinements FCS_COP.1/CA_MAC Cryptographic operation – MAC Hierarchical to: No other components. Dependencies: [FDP_ITC.1 Import of user data without security attributes, or FDP_ITC.2 Import of user data with security attributes, or FCS_CKM.1 Cryptographic key generation]: fulfilled by FCS_CKM.1/CA FCS_CKM.4 Cryptographic key destruction: fulfilled by FCS_CKM.4. FCS_COP.1.1 /CA_MAC The TSF shall perform secure messaging – message authentication code in accordance with a specified cryptographic algorithm Table 11 algorithm and cryptographic key sizes Table 11 Key size that meet the following: Table 11 list of standards. iteration algorithm Key size List of standards /MAC_TDES TDES Retail MAC 112 bits TR-03110 /MAC_AES AES CMAC 128, 192, 256 [NIST-800-38B] Table 11: FCS_COP.1/CA_MAC refinements Remark: this SFR is renamed FCS_COP.1/CA_MAC instead of FCS_COP.1/MAC FCS_COP.1/PERSO Cryptographic operation – Symmetric encryption, decryption, and MAC during manufacturing Hierarchical to: No other components. Dependencies: [FDP_ITC.1 Import of user data without security attributes, or FDP_ITC.2 Import of user data with security attributes, or FCS_CKM.1 Cryptographic key generation]: fulfilled by FCS_CKM.1/PERSO. FCS_CKM.4 Cryptographic key destruction: fulfilled by FCS_CKM.4. FCS_COP.1.1 /PERSO The TSF shall perform symmetric encryption and decryption in accordance with a specified cryptographic algorithm Triple-DES, AES and cryptographic key sizes See Table 12 iteration algorithm Key size List of standards /ENC_TDES TDES encryption and decryption 112 bits [SP 800-67] /ENC_AES AES encryption and decryption 256 [FIPS 197] /MAC_TDES TDES Retail MAC 112 bits ISO 9797-1 /MAC_AES AES CMAC 256 [NIST-800-38B] Table 12: FCS_COP.1/ PERSO refinements Public Security Target eTravel Essential 1.2 – BAC, EAC and AA activated ST Applicable on: 26/03/2021 Ref: D1521485 Rev: 1.1p Page : 56 / 101 FCS_COP.1/AA Cryptographic operation – Active Authentication Hierarchical to: No other components. Dependencies: [FDP_ITC.1 Import of user data without security attributes, or FDP_ITC.2 Import of user data with security attributes, or FCS_CKM.1 Cryptographic key generation]: fulfilled by FCS_CKM.1/KeyPair FCS_CKM.4 Cryptographic key destruction: not fulfilled, see application note. FCS_COP.1.1 /AA The TSF shall perform digital signature creation in accordance with a specified cryptographic algorithm Table 13 algorithm and cryptographic key sizes Table 13 Key size that meet the following: Table 13 List of standards. iteration algorithm Key size List of standards /AA_RSA RSA 1024, 1280, 1536, 2048, 3072, and 4096 bits ISO9796-2 /AA_ECDSA ECDSA 160, 192, 224, 256, 320, 384, 512 and 521 bits [TR-ECC] Table 13: FCS_COP.1/AA refinements Application note:  The dependency of FCS_COP.1/AA on FCS_CKM.4 is not fulfilled as these are permanent keys used on the card during its life-time. FCS_RND.1 Quality metric for random numbers Hierarchical to: No other components Dependencies: No dependencies FCS_RND.1.1 The TSF shall provide a mechanism to generate random numbers that meet RGS [RGS-B1] and [SP 800-90] with seed entropy at least 128 bits. Application note: This SFR requires the TOE to generate random numbers used for the authentication protocols as required by FIA_UAU.4/MRTD. Public Security Target eTravel Essential 1.2 – BAC, EAC and AA activated ST Applicable on: 26/03/2021 Ref: D1521485 Rev: 1.1p Page : 57 / 101 6.1.1.3 Class FIA Identification and Authentication Table 14 provides an overview on the authentication mechanisms used. Name SFR for the TOE Symmetric Authentication Mechanism for Personalization Agents FIA_UAU.4/MRTD Chip Authentication Protocol FIA_API.1, FIA_UAU.5/MRTD, FIA_UAU.6/MRTD Terminal Authentication Protocol FIA_UAU.5/MRTD Table 14: Overview on authentication SFR Note the Chip Authentication Protocol as defined in this protection profile19 includes  the BAC authentication protocol as defined in ‘ICAO Doc 9303’ [ICAO-9303] in order to gain access to the Chip Authentication Public Key in EF.DG14,  the asymmetric key agreement to establish symmetric secure messaging keys between the TOE and the terminal based on the Chip Authentication Public Key and the Terminal Public Key used later in the Terminal Authentication Protocol,  the check whether the TOE is able to generate the correct message authentication code with the expected key for any message received by the terminal. The BAC mechanism does not provide a security function on their own. The Chip Authentication Protocol may be used independent of the Terminal Authentication Protocol. But if the Terminal Authentication Protocol is used the terminal shall use the same public key as presented during the Chip Authentication Protocol. The TOE shall meet the requirement “Timing of identification (FIA_AFL.1/PERSO)” as specified below (Common Criteria Part 2). FIA_AFL.1/PERSO Authentication failure handling during pre-personalization and personalization phases Hierarchical to: No other components. Dependencies: FIA_UAU.1 Timing of authentication: fulfilled by FIA_UAU.1/PERSO FIA_AFL.1.1 /Perso The TSF shall detect when [Number in Table 15] unsuccessful authentication attempts occurs related to authentication attempts using ISK key. FIA_AFL.1.2 /Perso When the defined number of unsuccessful authentication attempts has been met, the TSF shall [Actions in Table 15]. Auth type Number Actions ISK key 3 Block ISK Key. Table 15: FIA_AFL.1/PERSO refinements Public Security Target eTravel Essential 1.2 – BAC, EAC and AA activated ST Applicable on: 26/03/2021 Ref: D1521485 Rev: 1.1p Page : 58 / 101 FIA_UID.1/PERSO Timing of identification Hierarchical to: No other components. Dependencies: No dependencies. FIA_UID.1.1 /PERSO The TSF shall allow 1. to establish a communication channel, 2. to carry out the mutual authentication with ISK on behalf of the user to be performed before the user is identified. FIA_UID.1.2 /PERSO The TSF shall require each user to be successfully identified before allowing any other TSF-mediated actions on behalf of that user. The TOE shall meet the requirement “Timing of identification (FIA_UID.1/MRTD)” as specified below (Common Criteria Part 2). FIA_UID.1/MRTD Timing of identification Hierarchical to: No other components. Dependencies: No dependencies. FIA_UID.1.1/MRTD The TSF shall allow 1. to establish a communication channel, 2. to read the Initialization Data if it is not disabled by TSF according to FMT_MTD.1/INI_DIS 3. to carry out the Chip Authentication Protocol on behalf of the user to be performed before the user is identified. FIA_UID.1.2/MRTD The TSF shall require each user to be successfully identified before allowing any other TSF-mediated actions on behalf of that user. Application note in addition to the PP, the TSF shall allow: 1) to identify themselves by selection of the authentication key, 2) to carry out the Active Authentication Protocol, on behalf of the user to be performed before the user is identified. The TOE shall meet the requirement “Timing of authentication (FIA_UAU.1)” as specified below (Common Criteria Part 2). FIA_UAU.1/PERSO Timing of authentication Hierarchical to: No other components. Dependencies: FIA_UID.1 Timing of identification: fulfilled by FIA_UID.1/PERSO FIA_UAU.1.1 /PERSO The TSF shall allow 1. to establish a communication channel, 2. to carry out the mutual authentication with ISK on behalf of the user to be performed before the user is authenticated. FIA_UAU.1.2 /PERSO The TSF shall require each user to be successfully authenticated before allowing any other TSF-mediated actions on behalf of that user. Application note: Public Security Target eTravel Essential 1.2 – BAC, EAC and AA activated ST Applicable on: 26/03/2021 Ref: D1521485 Rev: 1.1p Page : 59 / 101  FIA_AFL.1/PERSO and FIA_UID.1/PERSO are extensions to [PP-MRTD-EAC], in order to deal with identification and authentication in pre-personalisation and personalisation phases. FIA_UAU.1/MRTD Timing of authentication Hierarchical to: No other components. Dependencies: FIA_UID.1 Timing of identification: fulfilled by FIA_UID.1/MRTD FIA_UAU.1.1 /MRTD The TSF shall allow 1. to establish a communication channel, 2. to read the Initialization Data if it is not disabled by TSF according to FMT_MTD.1/INI_DIS 3.to identify themselves by selection of the authentication key 4,to carry out the Chip Authentication Protocol on behalf of the user to be performed before the user is authenticated. FIA_UAU.1.2 /MRTD The TSF shall require each user to be successfully authenticated before allowing any other TSF-mediated actions on behalf of that user. Application note in addition to the PP, the TSF shall allow: 1) to carry out the Active Authentication Protocol, on behalf of the user to be performed before the user is authenticated. The TOE shall meet the requirements of “Single-use authentication mechanisms (FIA_UAU.4)” as specified below (Common Criteria Part 2). FIA_UAU.4/MRTD Single-use authentication mechanisms - Single-use authentication of the Terminal by the TOE Hierarchical to: No other components Dependencies: No dependencies FIA_UAU.4.1 /MRTD The TSF shall prevent reuse of authentication data related to 1. Terminal authenticate protocol, 2. Authentication Mechanism based on Triple-DES, AES Application note: The authentication mechanisms use a challenge freshly and randomly generated by the TOE to prevent reuse of a response generated by a terminal in a successful authentication attempt. The TOE shall meet the requirement “Multiple authentication mechanisms (FIA_UAU.5)” as specified below (Common Criteria Part 2). FIA_UAU.5/MRTD Multiple authentication mechanisms Hierarchical to: No other components Dependencies: No dependencies FIA_UAU.5.1 /MRTD The TSF shall provide 1. Terminal Authentication Protocol, 2. Secure messaging in MAC-ENC mode, 3. Symmetric Authentication Mechanism based on Triple-DES, AES to support user authentication. FIA_UAU.5.2 /MRTD The TSF shall authenticate any user’s claimed identity according to the following rules: Public Security Target eTravel Essential 1.2 – BAC, EAC and AA activated ST Applicable on: 26/03/2021 Ref: D1521485 Rev: 1.1p Page : 60 / 101 1. TOE accepts the authentication attempt as Pre-personalization Agent by the Symmetric Authentication Mechanism with the Pre-personalization Agent Key. 2. After run of the Chip Authentication Protocol the TOE accepts only received commands with correct message authentication code sent by means of secure messaging with key agreed with the terminal by means of the Chip Authentication mechanism.. 3. The TOE accepts the authentication attempt by means of the Terminal Authentication Protocol only if the terminal uses the public key presented during the Chip Authentication Protocol and the secure messaging established by the Chip Authentication Mechanism 4. the authentication attempt as Personalization Agent by the Symmetric Authentication Mechanism with Personalization Agent Key. The TOE shall meet the requirement “Re-authenticating (FIA_UAU.6)” as specified below (Common Criteria Part 2). FIA_UAU.6/MRTD Re-authenticating – Re-authenticating of Terminal by the TOE Hierarchical to: No other components Dependencies: No dependencies FIA_UAU.6.1 /MRTD The TSF shall re-authenticate the user under the conditions each command sent to the TOE after successful run of the Chip Authentication Protocol shall be verified as being sent by the GIS. The TOE shall meet the requirement “Authentication Proof of Identity (FIA_API.1)” as specified below (Common Criteria Part 2 extended). FIA_API.1/CA Authentication Proof of Identity – Chip Authentication Hierarchical to: No other components Dependencies: No dependencies FIA_API.1.1/CA The TSF shall provide a Chip Authentication Protocol v.1 according to [TR-EAC- 1] to prove the identity of the TOE. Application note: This SFR requires the TOE to implement the Chip Authentication Mechanism specified in [TR-EAC-1]. The TOE and the terminal generate a shared secret using the Diffie-Hellman Protocol (DH or EC-DH) and two session keys for secure messaging in ENC_MAC mode according to [ICAO-9303], normative appendix 5, A5.1. The terminal verifies by means of secure messaging whether the MRTD’s chip was able or not to run his protocol properly using its Chip Authentication Private Key corresponding to the Chip Authentication Key (EF.DG14). FIA_API.1/AA Authentication Proof of Identity – Active Authentication Hierarchical to: No other components Dependencies: No dependencies FIA_API.1.1/AA The TSF shall provide an Active Authentication Protocol according to [ICAO- 9303] to prove the identity of the TOE. Application note: This SFR requires the TOE to implement the Active Authentication Mechanism specified in [ICAO-9303]. The terminal generates a challenge then verifies whether the MRTD’s chip was able or not to sign it properly using its Active Authentication private key corresponding to the Active Authentication public key (EF.DG15). Public Security Target eTravel Essential 1.2 – BAC, EAC and AA activated ST Applicable on: 26/03/2021 Ref: D1521485 Rev: 1.1p Page : 61 / 101 6.1.1.4 Class FDP User Data Protection The TOE shall meet the requirement “Subset access control (FDP_ACC.1)” as specified below (Common Criteria Part 2). FDP_ACC.1 Subset access control Hierarchical to: No other components Dependencies: FDP_ACF.1 Security attribute based access control: fulfilled by FDP_ACF.1 FDP_ACC.1.1 The TSF shall enforce the Access Control SFP on terminals gaining write, read and modification access to data in the EF.COM, EF.SOD, EF.DG1 to EF.DG16 of the logical MRTD. The TOE shall meet the requirement “Security attribute based access control (FDP_ACF.1)” as specified below (Common Criteria Part 2). FDP_ACF.1 Security attribute based access control Hierarchical to: No other components Dependencies: FDP_ACC.1 Subset access control; fulfilled by FDP_ACC.1, FMT_MSA.3 Static attribute initialization FDP_ACF.1.1 The TSF shall enforce the Access Control SFP to objects based on the following: 1. Subjects: a. Personalization Agent, b. Extended Inspection System c. Terminal, 2. Objects: a. data in EF.DG1, EF.DG2 and EF.DG5 to EF.DG16, of the logical MRTD b. data in EF.DG3 and EF.DG4 of the logical MRTD c. data in EF.COM, d. data in EF.SOD 3. Security attributes: a. authentication status of terminal, b. Terminal Authorization FDP_ACF.1.2 The TSF shall enforce the following rules to determine if an operation among controlled subjects and controlled objects is allowed: 1. the successfully authenticated Personalization Agent is allowed to write and to read the data of the EF.COM, EF.SOD, EF.DG1 to EF.DG16 of the logical MRTD, 2. the successfully authenticated Extended Inspection System with the Read access to DG3 (Fingerprint) granted by the relative certificate holder authorization encoding is allowed to read the data of the EF.DG3 of the logical MRTD, 3. the successfully authenticated Extended Inspection System with the Read access to DG4 (Iris) granted by the relative certificate holder authorization encoding is allowed to read the data of the EF.DG4 of the logical MRTD. FDP_ACF.1.3 The TSF shall explicitly authorize access of subjects to objects based on the following additional rules: none. FDP_ACF.1.4 The TSF shall explicitly deny access of subjects to objects based on the following additional rules: 1. A terminal authenticated as CVCA is not allowed to read data in the EF.DG3, Public Security Target eTravel Essential 1.2 – BAC, EAC and AA activated ST Applicable on: 26/03/2021 Ref: D1521485 Rev: 1.1p Page : 62 / 101 2. A terminal authenticated as CVCA is not allowed to read data in the EF.DG4, 3. A terminal authenticated as DV is not allowed to read data in the EF.DG3, 4. A terminal authenticated as DV is not allowed to read data in the EF.DG4, 5. Any terminal is not allowed to modify any of the EF.DG1 to EF.DG16 of the logical MRTD, 6. Any terminal not being successfully authenticated as Extended Inspection System is not allowed to read any of the EF.DG3 to EF.DG4 of the logical MRTD. Application note: Note the BAC mechanism controls the read access of the EF.COM, EF.SOD, EF.DG1, EF.DG2, EF.DG5 to EF.DG16 of the logical MRTD. These security features of the MRTD are not subject of this ST. The TOE shall meet the requirement “Basic data exchange confidentiality (FDP_UCT.1)” as specified below (Common Criteria Part 2). FDP_UCT.1 Basic data exchange confidentiality Hierarchical to: No other components Dependencies: [FTP_ITC.1 Inter-TSF trusted channel, or FTP_TRP.1 Trusted path] [FDP_ACC.1 Subset access control, or FDP_IFC.1 Subset information flow control] FDP_UCT.1.1 The TSF shall enforce the Access Control SFP to be able to transmit and receive user data in a manner protected from unauthorised disclosure after Chip Authentication. The TOE shall meet the requirement “Data exchange integrity (FDP_UIT.1)” as specified below (Common Criteria Part 2). FDP_UIT.1 Data exchange integrity Hierarchical to: No other components Dependencies: [FDP_ACC.1 Subset access control, or FDP_IFC.1 Subset information flow control] [FTP_ITC.1 Inter-TSF trusted channel, or FTP_TRP.1 Trusted path] FDP_UIT.1.1 The TSF shall enforce the Access Control SFP to be able to transmit and receive user data in a manner protected from modification, deletion, insertion and replay errors after Chip Authentication. FDP_UIT.1.2 The TSF shall be able to determine on receipt of user data, whether modification, deletion, insertion and replay has occurred after Chip Authentication. Rationale for Refinement: Note that the Access Control SFP (cf. FDP_ACF.1.2) allows the Extended Inspection System (as of [ICAO-9303] and [PP-MRTD-BAC]) to access the data EF.COM, EF.SOD, EF.DG1, EF.DG2 and EF.DG5 to EF.DG16 of the logical MRTD. Nevertheless there is explicitly no rule for preventing access to these data. More over their data integrity (cf. FDP_UIT.1) and confidentiality (cf. FDP_UCT.1) is ensured by the BAC mechanism being addressed and covered by [PP-MRTD-BAC]. Public Security Target eTravel Essential 1.2 – BAC, EAC and AA activated ST Applicable on: 26/03/2021 Ref: D1521485 Rev: 1.1p Page : 63 / 101 The fact that the BAC mechanism is not part of the ST in hand is addressed by the refinement “after Chip Authentication”. 6.1.1.5 Class FMT Security Management Application note: The SFR FMT_SMF.1 and FMT_SMR.1 provide basic requirements to the management of the TSF data. The TOE shall meet the requirement “Specification of Management Functions (FMT_SMF.1)” as specified below (Common Criteria Part 2). FMT_SMF.1 Specification of Management Functions Hierarchical to: No other components Dependencies: No dependencies FMT_SMF.1.1 The TSF shall be capable of performing the following management functions: 1. Initialization , 2. Pre-personalization, 3. Personalization. The TOE shall meet the requirement “Security roles (FMT_SMR.1)” as specified below (Common Criteria Part 2). FMT_SMR.1 Security roles Hierarchical to: No other components Dependencies: FIA_UID.1 Timing of identification fulfilled by FIA_UID.1 FMT_SMR.1.1 The TSF shall maintain the roles 1. Manufacturer, 2. Personalization Agent, 3. Country Verifying Certification Authority, 4. Document Verifier, 5. Domestic Extended Inspection System, 6. Foreign Extended Inspection System. FMT_SMR.1.2 The TSF shall be able to associate users with roles. Application note: The MRTD also maintains the role Basic Inspection System due to a direct consequence of P.BAC-PP resp. OE.BAC-PP. Nevertheless this role is not explicitly listed in FMT_SMR.1.1, above since the TSF cannot maintain the role with respect to the assumed high attack potential due to the known weaknesses of the Document Basic Access Keys. Application note: The SFR FMT_LIM.1 and FMT_LIM.2 address the management of the TSF and TSF data to prevent misuse of test features of the TOE over the life cycle phases. The TOE shall meet the requirement “Limited capabilities (FMT_LIM.1)” as specified below (Common Criteria Part 2 extended). FMT_LIM.1 Limited capabilities Hierarchical to: No other components Dependencies: FMT_LIM.2 Limited capabilities: fulfilled by FMT_LIM.2. FMT_LIM.1.1 The TSF shall be designed in a manner that limits their capabilities so that in conjunction with “Limited availability (FMT_LIM.2)” the following policy is enforced: Deploying Test Features after TOE Delivery does not allow, 1. User Data to be manipulated, 2. sensitive User Data (EF.DG3 and EF.DG4) to be disclosed, 3. TSF data to be disclosed or manipulated Public Security Target eTravel Essential 1.2 – BAC, EAC and AA activated ST Applicable on: 26/03/2021 Ref: D1521485 Rev: 1.1p Page : 64 / 101 4. software to be reconstructed and 5. substantial information about construction of TSF to be gathered which may enable other attacks. The TOE shall meet the requirement “Limited availability (FMT_LIM.2)” as specified below (Common Criteria Part 2 extended). FMT_LIM.2 Limited availability Hierarchical to: No other components Dependencies: FMT_LIM.1 Limited capabilities: fulfilled by FMT_LIM.1. FMT_LIM.2.1 The TSF shall be designed in a manner that limits their availability so that in conjunction with “Limited capabilities (FMT_LIM.1)” the following policy is enforced: Deploying Test Features after TOE Delivery does not allow, 1. User Data to be manipulated, 2. sensitive User Data (EF.DG3 and EF.DG4) to be disclosed, 3. TSF data to be disclosed or manipulated 4. software to be reconstructed and 5. substantial information about construction of TSF to be gathered which may enable other attacks. Application note: The term “software” in item 4 of FMT_LIM.1.1 and FMT_LIM.2.1 refers to both IC Dedicated and IC Embedded Software. Application note: The following SFR are iterations of the component Management of TSF data (FMT_MTD.1). The TSF data include but are not limited to those identified below. The TOE shall meet the requirement “Management of TSF data (FMT_MTD.1)” as specified below (Common Criteria Part 2). The iterations address different management functions and different TSF data. FMT_MTD.1/INI_ENA Management of TSF data – Writing of Initialization Data and Pre- personalization Data Hierarchical to: No other components Dependencies: FMT_SMF.1 Specification of management functions: fulfilled by FMT_SMF.1 FMT_SMR.1 Security roles: fulfilled by FMT_SMR.1 FMT_MTD.1.1/ INI_ENA The TSF shall restrict the ability to write the Initialization Data and Pre- personalization Data to the Manufacturer. Application note: The pre-personalization Data includes but is not limited to the authentication reference data for the Personalization Agent which is the symmetric cryptographic Personalization Agent Key. Public Security Target eTravel Essential 1.2 – BAC, EAC and AA activated ST Applicable on: 26/03/2021 Ref: D1521485 Rev: 1.1p Page : 65 / 101 FMT_MTD.1/INI_DIS Management of TSF data – Disabling of Read Access to Initialization Data and Pre-personalization Data Hierarchical to: No other components Dependencies: FMT_SMF.1 Specification of management functions: fulfilled by FMT_SMF.1 FMT_SMR.1 Security roles: fulfilled by FMT_SMR.1 FMT_MTD.1.1/ INI_DIS The TSF shall restrict the ability to disable read access for users to the Initialization Data to the Personalization Agent. FMT_MTD.1/CVCA_INI Management of TSF data – Initialization of CVCA Certificate and Current Date Hierarchical to: No other components Dependencies: FMT_SMF.1 Specification of management functions: fulfilled by FMT_SMF.1 FMT_SMR.1 Security roles: fulfilled by FMT_SMR.1 FMT_MTD.1.1/ CVCA_INI The TSF shall restrict the ability to write the 1. initial Country Verifying Certification Authority Public Key, 2. initial Country Verifying Certification Authority Certificate, 3. initial Current Date to the Personalization Agent. FMT_MTD.1/CVCA_UPD Management of TSF data – Country Verifying Certification Authority Hierarchical to: No other components Dependencies: FMT_SMF.1 Specification of management functions: fulfilled by FMT_SMF.1 FMT_SMR.1 Security roles: fulfilled by FMT_SMR.1 FMT_MTD.1.1/ CVCA_UPD The TSF shall restrict the ability to update the 1. Country Verifying Certification Authority Public Key, 2. Country Verifying Certification Authority Certificate to Country Verifying Certification Authority. FMT_MTD.1/DATE Management of TSF data – Current date Hierarchical to: No other components Dependencies: FMT_SMF.1 Specification of management functions: fulfilled by FMT_SMF.1 FMT_SMR.1 Security roles: fulfilled by FMT_SMR.1 FMT_MTD.1.1/ DATE The TSF shall restrict the ability to modify the Current date to 1. Country Verifying Certification Authority, 2. Document Verifier, 3. Domestic Extended Inspection System. Public Security Target eTravel Essential 1.2 – BAC, EAC and AA activated ST Applicable on: 26/03/2021 Ref: D1521485 Rev: 1.1p Page : 66 / 101 FMT_MTD.1/ KEY_WRITE Management of TSF data – Key Write Hierarchical to: No other components. Dependencies: FMT_SMF.1 Specification of management functions: fulfilled by FMT_SMF.1 FMT_SMR.1 Security roles: fulfilled by FMT_SMR.1 FMT_MTD.1.1 / KEY_WRITE The TSF shall restrict the ability to write the Document Basic Access Keys to the Personalisation Agent. FMT_MTD.1/CAPK Management of TSF data – Chip Authentication Private Key Hierarchical to: No other components Dependencies: FMT_SMF.1 Specification of management functions: fulfilled by FMT_SMF.1 FMT_SMR.1 Security roles: fulfilled by FMT_SMR.1 FMT_MTD.1.1/ CAPK The TSF shall restrict the ability to create and load the Chip Authentication Private Key to the Personalization Agent. FMT_MTD.1/AAK Management of TSF data – Active Authentication Private Key Hierarchical to: No other components Dependencies: FMT_SMF.1 Specification of management functions: fulfilled by FMT_SMF.1 FMT_SMR.1 Security roles: fulfilled by FMT_SMR.1 FMT_MTD.1.1/ AAK The TSF shall restrict the ability to create and load the Active Authentication Private Key to the Personalization Agent. FMT_MTD.1/KEY_READ Management of TSF data – Key Read Hierarchical to: No other components Dependencies: FMT_SMF.1 Specification of management functions: fulfilled by FMT_SMF.1 FMT_SMR.1 Security roles: fulfilled by FMT_SMR.1 FMT_MTD.1.1/ KEY_READ The TSF shall restrict the ability to read the 1. Document Basic Access Keys, 2. Chip Authentication Private Key, 3. Active Authentication Private Key 4. Personalization Agent Keys to none. The TOE shall meet the requirement “Secure TSF data (FMT_MTD.3)” as specified below (Common Criteria Part 2): FMT_MTD.3 Secure TSF data Hierarchical to: No other components Dependencies: FMT_MTD.1 Management of TSF data: fulfilled by FMT_MTD.1/CVCA_INI, FMT_MTD.1/CVCA_UPD, FMT_MTD.3.1 The TSF shall ensure that only secure values of the certificate chain are accepted for TSF data of the Terminal Authentication Protocol and the Access Control. Public Security Target eTravel Essential 1.2 – BAC, EAC and AA activated ST Applicable on: 26/03/2021 Ref: D1521485 Rev: 1.1p Page : 67 / 101 Refinement: The certificate chain is valid if and only if (1) the digital signature of the Inspection System Certificate can be verified as correct with the public key of the Document Verifier Certificate and the expiration date of the Inspection System Certificate is not before the Current Date of the TOE, (2) the digital signature of the Document Verifier Certificate can be verified as correct with the public key in the Certificate of the Country Verifying Certification Authority and the expiration date of the Document Verifier Certificate is not before the Current Date of the TOE, (3) the digital signature of the Certificate of the Country Verifying Certification Authority can be verified as correct with the public key of the Country Verifying Certification Authority known to the TOE and the expiration date of the Certificate of the Country Verifying Certification Authority is not before the Current Date of the TOE. The Inspection System Public Key contained in the Inspection System Certificate in a valid certificate chain is a secure value for the authentication reference data of the Extended Inspection System. The intersection of the Certificate Holder Authorizations contained in the certificates of a valid certificate chain is a secure value for Terminal Authorization of a successful authenticated Extended Inspection System. Application note: The Terminal Authentication is used for Extended Inspection System as required by FIA_UAU.4/MRTD and FIA_UAU.5/MRTD. The Terminal Authorization is used as TSF data for access control required by FDP_ACF.1. Public Security Target eTravel Essential 1.2 – BAC, EAC and AA activated ST Applicable on: 26/03/2021 Ref: D1521485 Rev: 1.1p Page : 68 / 101 6.1.1.6 Class FPT Protection of the Security Functions The TOE shall prevent inherent and forced illicit information leakage for User Data and TSF Data. The security functional requirement FPT_EMS.1 addresses the inherent leakage. With respect to the forced leakage they have to be considered in combination with the security functional requirements “Failure with preservation of secure state (FPT_FLS.1)” and “TSF testing (FPT_TST.1)” on the one hand and “Resistance to physical attack (FPT_PHP.3)” on the other. The SFRs “Limited capabilities (FMT_LIM.1)”, “Limited availability (FMT_LIM.2)” and “Resistance to physical attack (FPT_PHP.3)” together with the SAR “Security architecture description” (ADV_ARC.1) prevent bypassing, deactivation and manipulation of the security features or misuse of TOE functions. The TOE shall meet the requirement “TOE Emanation (FPT_EMS.1)” as specified below (Common Criteria Part 2 extended): FPT_EMS.1 TOE Emanation Hierarchical to: No other components Dependencies: No dependencies. FPT_EMS.1.1 The TOE shall not emit electromagnetic and current emissions in excess of intelligible threshold enabling access to Personalization Agent Key(s) and Chip Authentication Private Key and Active Authentication Key, EF.DG3 and EF.DG4. FPT_EMS.1.2 The TSF shall ensure any users are unable to use the following interface smart card circuit contacts to gain access to Personalization Agent Key(s) and Chip Authentication Private Key and Active Authentication Key, EF.DG3 and EF.DG4. The following security functional requirements address the protection against forced illicit information leakage including physical manipulation. The TOE shall meet the requirement “Failure with preservation of secure state (FPT_FLS.1)” as specified below (Common Criteria Part 2). FPT_FLS.1 Failure with preservation of secure state Hierarchical to: No other components Dependencies: No dependencies. FPT_FLS.1.1 The TSF shall preserve a secure state when the following types of failures occur: 1. Exposure out-of-range operating conditions where therefore a malfunction could occurs. 2. failure detected by TSF according to FPT_TST.1. The TOE shall meet the requirement “TSF testing (FPT_TST.1)” as specified below (Common Criteria Part 2). FPT_TST.1 TSF testing Hierarchical to: No other components Dependencies: No dependencies. FPT_TST.1.1 The TSF shall run a suite of self-tests Conditions under which self-test should occur to demonstrate the correct operation of the TSF. FPT_TST.1.2 The TSF shall provide authorised users with the capability to verify the integrity of TSF data. FPT_TST.1.3 The TSF shall provide authorised users with the capability to verify the integrity of stored TSF executable code. Public Security Target eTravel Essential 1.2 – BAC, EAC and AA activated ST Applicable on: 26/03/2021 Ref: D1521485 Rev: 1.1p Page : 69 / 101 Conditions under which self-test should occur Description of the self-test During initial start-up RNG live test, sensor test, FA detection Periodically RNG monitoring, FA detection After cryptographic computation FA detection Before any use or update of TSF data FA detection, Integrity Check of related TSF data Table 16: FPT_TST refinements The TOE shall meet the requirement “Resistance to physical attack (FPT_PHP.3)” as specified below (Common Criteria Part 2). FPT_PHP.3 Resistance to physical attack Hierarchical to: No other components Dependencies: No dependencies. FPT_PHP.3.1 The TSF shall resist physical manipulation and physical probing to the TSF by responding automatically such that the SFRs are always enforced. Application note: The TOE will implement appropriate measures to continuously counter physical manipulation and physical probing. Due to the nature of these attacks (especially manipulation) the TOE can by no means detect attacks on all of its elements. Therefore, permanent protection against these attacks is required ensuring that the TSP could not be violated at any time. Hence, “automatic response” means here (i) assuming that there might be an attack at any time and (ii) countermeasures are provided at any time. Public Security Target eTravel Essential 1.2 – BAC, EAC and AA activated ST Applicable on: 26/03/2021 Ref: D1521485 Rev: 1.1p Page : 70 / 101 6.1.2 SFR for ES Update The following SFR are associated to the ES Update feature. FCS_COP.1/ES-UPDATE-DEC Cryptographic operation Hierarchical to: No other components Dependencies: [FDP_ITC.1 Import of user data without security attributes, or FDP_ITC.2 Import of user data with security attributes, or FCS_CKM.1 Cryptographic key generation] FCS_CKM.4 Cryptographic key destruction FCS_COP.1.1/ ES-UPDATE- DEC The TSF shall perform decryption of the additional code prior installation in accordance with a specified cryptographic algorithm [AES-CBC] and cryptographic key sizes [AES-256] that meet the following: [assignment: AES-CBC ISO9797-M2 from [NIST SP800-38A]]. FCS_COP.1/ES-UPDATE-VER Cryptographic operation Hierarchical to: No other components Dependencies: [FDP_ITC.1 Import of user data without security attributes, or FDP_ITC.2 Import of user data with security attributes, or FCS_CKM.1 Cryptographic key generation] FCS_CKM.4 Cryptographic key destruction FCS_COP.1.1/ ES-UPDATE- VER The TSF shall perform digital signature verification of the additional code to be loaded in accordance with a specified cryptographic algorithm [AES-CMAC] and cryptographic key sizes [AES-256] that meet the following: [assignment: [NIST SP800-38B]]. Application note: FCS_COP.1/SIG_VER already described §6.1.1.2 is used to verify certificate validity containing additional code. FDP_ACC.1/ES-UPDATE Subset access control Hierarchical to: No other components Dependencies: FDP_ACF.1 Security attribute based access control FDP_ACC.1.1/ ES-UPDATE The TSF shall enforce the ES Update Access Control Policy on the following list of subjects, objects and operations:  Subjects: S.ES-Developer is the representative of the Embedded Software Developer within the TOE, who is responsible for verifying the signature and decrypting the additional code before authorizing its loading, installation and activation,  Objects: additional code and associated cryptographic signature  Operations: loading, installation and activation of additional code FDP_ACF.1/ES-UPDATE Security attribute based access control Hierarchical to: No other components Dependencies: No dependencies FDP_ACF.1.1/ ES-UPDATE The TSF shall enforce the ES Update Access Control Policy to objects based on the following:  Security Attributes: o The additional code cryptographic signature verification Public Security Target eTravel Essential 1.2 – BAC, EAC and AA activated ST Applicable on: 26/03/2021 Ref: D1521485 Rev: 1.1p Page : 71 / 101 status o The Identification Data verification status (between the TOE and the additional code) FDP_ACF.1.2/ ES-UPDATE The TSF shall enforce the following rules to determine if an operation among controlled subjects and controlled objects is allowed:  The verification of the additional code cryptographic signature (using D.ACODE_SGNVER-KEY) by S.ES-Developer is successful.  The decryption of the additional code prior installation (using D. ACODE_DEC-KEY) by S.ES-Developer is successful.  The comparison between the identification data of both the TOE and the additional code demonstrates that the ES Update operation can be performed.  [None] FDP_ACF.1.3/ ES-UPDATE The TSF shall explicitly authorise access of subjects to objects based on the following additional rules: [None]. FDP_ACF.1.3/ ES-UPDATE The TSF shall explicitly authorise access of subjects to objects based on the following additional rules: [None]. FDP_ACF.1.4/ ES-UPDATE The TSF shall explicitly deny access of subjects to objects based on the following additional rules: [None]. Application Note: Identification data verification is necessary to ensure that the received additional code is actually targeting the TOE and that its version is compatible with the TOE version. FIA_UID.1/ ES-UPDATE Timing of identification Hierarchical to: No other components. Dependencies: No dependencies. FIA_UID.1.1/ ES-UPDATE The TSF shall allow 1. to establish a communication channel, 2. to load the additional code (but not yet verified) on behalf of the user to be performed before the user is identified FIA_UID.1.2/ ES-UPDATE The TSF shall require each user to be successfully identified before allowing any other TSF-mediated actions on behalf of that user. FIA_ATD.1/ User attribute definition ES-UPDATE Hierarchical to: No other components Dependencies: No dependencies FIA_ATD.1.1/ ES-UPDATE The TSF shall maintain the following list security attributes belonging to individual users [assignment: additional code ID for each activated additional code] Refinement: "Individual users" stands for additional code. Public Security Target eTravel Essential 1.2 – BAC, EAC and AA activated ST Applicable on: 26/03/2021 Ref: D1521485 Rev: 1.1p Page : 72 / 101 FMT_MSA.3/ES-UPDATE Security attribute initialisation Hierarchical to: No other components Dependencies: FMT_MSA.1 Management of security attributes FMT_SMR.1 Security roles FMT_MSA.3.1/ ES-UPDATE The TSF shall enforce the ES Update Access Control Policy to provide restrictive default values for security attributes that are used to enforce the SFP. FMT_MSA.3.2/ ES-UPDATE The TSF shall allow the Embedded Software Developer to specify alternative initial values to override the default values when an object or information is created. Application Note: The additional code signature verification status must be set to “Fail” by default, therefore preventing any additional code from being installed until the additional code signature is actually successfully verified by the TOE. FMT_SMR.1/ES-UPDATE Security roles Hierarchical to: No other components Dependencies: FIA_UID.1 Timing of identification fulfilled by FIA_UID.1 FMT_SMR.1.1/ ES-UPDATE The TSF shall maintain the roles 1) Embedded Software Developer, 2) Additional code Agent*, 3) Issuer. FMT_SMR.1.2/ ES-UPDATE The TSF shall be able to associate users with roles. Application note: Additional code Agent is a generic entity referring to agent used for post-Issuance operations on additional code. FMT_SMF.1/ES-UPDATE Specification of Management Functions Hierarchical to: No other components Dependencies: No dependencies FMT_SMF.1.1/ ES-UPDATE The TSF shall be capable of performing the following management functions: 1. activation of additional code. Application Note: Once verified and installed, additional code is activated and becomes immediately effective. The TOE shall meet the requirement “TOE Emanation (FPT_EMS.1)” as specified below (Common Criteria Part 2 extended). FPT_EMS.1/ES-UPDATE TOE Emanation during ES update Hierarchical to: No other components Dependencies: No dependencies. FPT_EMS.1.1 The TOE shall not emit electromagnetic and current emissions in excess of intelligible threshold enabling access to D.ACODE and D.ACODE_DEC-KEY and D.ACODE_SGNVER-KEY. FPT_EMS.1.2 The TSF shall ensure any users are unable to use the following interface smart card circuit contacts to gain access to D.ACODE and D.ACODE_DEC-KEY and D.ACODE_SGNVER- KEY. Public Security Target eTravel Essential 1.2 – BAC, EAC and AA activated ST Applicable on: 26/03/2021 Ref: D1521485 Rev: 1.1p Page : 73 / 101 The TOE shall meet the requirement “Failure with preservation of secure state (FPT_FLS.1)” as specified below (Common Criteria Part 2). FPT_FLS.1/ES-UPDATE Failure with preservation of secure state Hierarchical to: No other components Dependencies: No dependencies FPT_FLS.1.1/ ES-UPDATE The TSF shall preserve a secure state when the following types of failures occur: [assignment: interruption or incident which prevents the forming of the Updated TOE.] Application Note: The ES Update operation (containing one or several pieces of additional code in the same certificate) must be either completely or partially successful, or fail securely. The TOE code and identification data must be updated in an atomic way in order to always be consistent. Each piece (with its identification data) is processed separately in atomic way, in sequence of transactions. If the processing is interrupted, the last on-going transaction is rolled back. Therefore, the terminal will be aware that update has not been performed completely. The request of update is performed again and TSF restarts the processing with the first not-done piece of additional code. The pieces of additional code already committed are skipped, and the others will be processed. The TOE shall meet the requirement “TSF testing (FPT_TST.1)” as specified below (Common Criteria Part 2). FPT_TST.1/ES-UPDATE TSF testing associated to ES_Update Hierarchical to: No other components Dependencies: No dependencies. FPT_TST.1.1 The TSF shall run a suite of self-tests conditions under which self-test should occur to demonstrate the correct operation of the TSF. FPT_TST.1.2 The TSF shall provide authorised users with the capability to verify the integrity of TSF data. FPT_TST.1.3 The TSF shall provide authorised users with the capability to verify the integrity of stored TSF executable code. Conditions under which self-test should occur Description of the self-test During initial start-up Atomicity check of operations on D.ACODE and D.ACODE-ID as loading or activation Table 17: FPT_TST refinements Public Security Target eTravel Essential 1.2 – BAC, EAC and AA activated ST Applicable on: 26/03/2021 Ref: D1521485 Rev: 1.1p Page : 74 / 101 6.2 SECURITY ASSURANCE REQUIREMENTS FOR THE TOE The SAR for the evaluation of the TOE and its development and operating environment are those taken from the Evaluation Assurance Level 5 (EAL5) and augmented by taking the following components: ALC_DVS.2 and AVA_VAN.5. Application note: The TOE shall protect the assets against high attack potential under the assumption that the inspection system will prevent eavesdropping to their communication with the TOE before secure messaging is successfully established based on the Chip Authentication Protocol (OE.Prot_Logical_MRTD). Otherwise the confidentiality of the standard data shall be protected against attacker with at least Enhanced-Basic attack potential (AVA_VAN.3). Public Security Target eTravel Essential 1.2 – BAC, EAC and AA activated ST Applicable on: 26/03/2021 Ref: D1521485 Rev: 1.1p Page : 75 / 101 6.3 SECURITY REQUIREMENTS RATIONALE 6.3.1 Security Functional Requirements Rationale The rationale in this paragraph comes from [PP-MRTD-EAC] §6.3.1. Additions due to Active Authentication and secure messaging in personalisation are shaded. OT.AC_Pers OT.Data_Int OT.Sens_Data_Conf OT.Identification OT.Chip_Auth_Proof OT.Prot_Abuse-Func OT.Prot_Inf_Leak OT.Prot_Phys-Tamper OT.Prot_Malfuntion OT.Activ_Auth_Proof FAU_SAS.1 X FCS.CKM.1/CA X X X X FCS_CKM.1/KeyPair X X FCS_CKM.1/PERSO X X FCS_CKM.4 X X X FCS_COP.1/SHA X X X X FCS_COP.1/SYM X X X X FCS_COP.1/SIG_VER X X FCS_COP.1/CA_MAC X X X X FCS_COP.1/PERSO X X FCS_COP.1/AA X FCS_RND.1 X X FIA_AFL.1/PERSO X X FIA_UID.1/PERSO X X FIA_UAU.1/PERSO X X FIA_UID.1/MRTD X X X FIA_UAU.1/MRTD X X X FIA_UAU.4/MRTD X X X FIA_UAU.5/MRTD X X X FIA_UAU.6/MRTD X X X FIA_API.1/CA X FIA_API.1/AA X FDP_ACC.1 X X X FDP_ACF.1 X X X FDP_UCT.1 X FDP_UIT.1 X FMT_SMF.1 X X FMT_SMR.1 X X FMT_LIM.1 X FMT_LIM.2 X FMT_MTD.1/INI_ENA X FMT_MTD.1/INI_DIS X FMT_MTD.1/CVCA_INI X FMT_MTD.1/CVCA_UPD X FMT_MTD.1/DATE X FMT_MTD.1/ KEY_WRITE X FMT_MTD.1/CAPK X X X FMT_MTD.1/AAK X FMT_MTD.1/KEY_READ X X X X X FMT_MTD.3 X Public Security Target eTravel Essential 1.2 – BAC, EAC and AA activated ST Applicable on: 26/03/2021 Ref: D1521485 Rev: 1.1p Page : 76 / 101 OT.AC_Pers OT.Data_Int OT.Sens_Data_Conf OT.Identification OT.Chip_Auth_Proof OT.Prot_Abuse-Func OT.Prot_Inf_Leak OT.Prot_Phys-Tamper OT.Prot_Malfuntion OT.Activ_Auth_Proof FPT_EMS.1 X X FPT_FLS.1 X X FPT_TST.1 X X FPT_PHP.3 X X Table 18: Security Functional Requirement rationale for MRTD application The security objective OT.AC_Pers “Access Control for Personalization of logical MRTD” addresses the access control of the writing the logical MRTD. The write access to the logical MRTD data are defined by the SFR FIA_UID.1/MRTD, FIA_UAU.1/MRTD, FDP_ACC.1 and FDP_ACF.1 in the same way: only the successfully authenticated Personalization Agent is allowed to write the data of the groups EF.DG1 to EF.DG16 of the logical MRTD only once. The SFR FMT_SMR.1 lists the roles (including Personalization Agent) and the SFR FMT_SMF.1 lists the TSF management functions (including Personalization). The Personalization Agent handles the Document Basic Access Keys according to the SFR FMT_MTD.1/KEY_WRITE as authentication reference data for Basic Access Control. The authentication of the terminal as Personalization Agent shall be performed by TSF according to SRF FIA_UAU.4/MRTD and FIA_UAU.5/MRTD. If the Personalization Terminal want to authenticate itself to the TOE by means of the Terminal Authentication Protocol (after Chip Authentication) with the Personalization Agent Keys the TOE will use TSF according to the FCS_RND.1 (for the generation of the challenge), FCS_CKM.1, FCS_COP.1/SHA (for the derivation of the new session keys after Chip Authentication), and FCS_COP.1/SYM and FCS_COP.1/ CA_MAC (for the ENC_MAC_Mode secure messaging), FCS_COP.1/SIG_VER (as part of the Terminal Authentication Protocol) and FIA_UAU.6/MRTD (for the re-authentication). If the Personalization Terminal wants to authenticate itself to the TOE by means of the Symmetric Authentication Mechanism with Personalization Agent Key the TOE will use TSF according to the FCS_RND.1 (for the generation of the challenge) and FCS_COP.1/SYM (to verify the authentication attempt). The session keys are destroyed according to FCS_CKM.4 after use. The SFR FMT_MTD.1/KEY_READ prevents read access to the secret key of the Personalization Agent Keys and ensures together with the SFR FPT_EMS.1 the confidentially of these keys. The security objective OT.Data_Int “Integrity of personal data” requires the TOE to protect the integrity of the logical MRTD stored on the MRTD’s chip against physical manipulation and unauthorized writing. The write access to the logical MRTD data is defined by the SFR FDP_ACC.1 and FDP_ACF.1 in the same way: only the Personalization Agent is allowed to write the data in EF.DG1 to EF.DG16 of the logical MRTD (FDP_ACF.1.2, rule 1) and terminals are not allowed to modify any of the data in EF.DG1 to EF.DG16 of the logical MRTD (cf. FDP_ACF.1.4). The Personalization Agent must identify and authenticate themselves according to FIA_UID.1/MRTD and FIA_UAU.1/MRTD before accessing these data. The SFR FMT_SMR.1 lists the roles and the SFR FMT_SMF.1 lists the TSF management functions. The TOE supports the inspection system detect any modification of the transmitted logical MRTD data after Chip Authentication. The authentication of the terminal as Personalization Agent shall be performed by TSF according to SRF FIA_UAU.4/MRTD, FIA_UAU.5/MRTD and FIA_UAU.6/MRTD. The SFR FIA_UAU.6/MRTD and FDP_UIT.1 requires the integrity protection of the transmitted data after chip authentication by means of secure messaging implemented by the cryptographic functions according to FCS_CKM.1 (for the generation of shared secret), FCS_COP.1/SHA (for the derivation of the new Public Security Target eTravel Essential 1.2 – BAC, EAC and AA activated ST Applicable on: 26/03/2021 Ref: D1521485 Rev: 1.1p Page : 77 / 101 session keys), and FCS_COP.1/SYM and FCS_COP.1/CA_MAC for the ENC_MAC_Mode secure messaging. The session keys are destroyed according to FCS_CKM.4 after use. The SFR FMT_MTD.1/CAPK and FMT_MTD.1/KEY_READ requires that the Chip Authentication Key cannot be written unauthorized or read afterwards. In pre-personalisation, the SFR FCS_CKM.1/PERSO and FCS_COP.1/PERSO ensure the authenticity of data transfers after successful authentication of the pre-personalisation agent according to FIA_UID.1/PERSO and FIA_UAU.1/PERSO, with the support of FIA_AFL.1/PERSO. The security objective OT.Sense_Data_Conf “Confidentiality of sensitive biometric reference data” is enforced by the Access Control SFP defined in FDP_ACC.1 and FDP_ACF.1 allowing the data of EF.DG3 and EF.DG4 only to be read by successfully authenticated Extended Inspection System being authorized by a validly verifiable certificate according FCS_COP.1/SIG_VER. The SFR FIA_UID.1/MRTD and FIA_UAU.1/MRTD requires the identification and authentication of the inspection systems. The SFR FIA_UAU.5/MRTD requires the successful Chip Authentication (CA) before any authentication attempt as Extended Inspection System. During the protected communication following the CA the reuse of authentication data is prevented by FIA_UAU.4/MRTD. The SFR FIA_UAU.6/MRTD and FDP_UCT.1 requires the confidentiality protection of the transmitted data after chip authentication by means of secure messaging implemented by the cryptographic functions according to FCS_RND.1 (for the generation of the terminal authentication challenge), FCS_CKM.1 (for the generation of shared secret), FCS_COP.1/SHA (for the derivation of the new session keys), and FCS_COP.1/SYM and FCS_COP.1/CA_MAC for the ENC_MAC_Mode secure messaging. The session keys are destroyed according to FCS_CKM.4 after use. The SFR FMT_MTD.1/CAPK and FMT_MTD.1/KEY_READ requires that the Chip Authentication Key cannot be written unauthorized or read afterwards. In pre-personalisation, the SFR FCS_CKM.1/PERSO and FCS_COP.1/PERSO ensure the confidentiality of data transfers after successful authentication of the pre-personalisation agent according to FIA_UID.1/PERSO and FIA_UAU.1/PERSO, with the support of FIA_AFL.1/PERSO. To allow a verification of the certificate chain as in FMT_MTD.3 the CVCA’s public key and certificate as well as the current date are written or update by authorized identified role as of FMT_MTD.1/CVCA_INI, FMT_MTD.1/CVCA_UPD and FMT_MTD.1/DATE. The security objective OT.Identification “Identification and Authentication of the TOE” address the storage of the IC Identification Data uniquely identifying the MRTD’s chip in its non-volatile memory. This will be ensured by TSF according to SFR FAU_SAS.1. The SFR FMT_MTD.1/INI_ENA allows only the Manufacturer to write Initialization Data and Pre- personalization Data (including the Personalization Agent key). The SFR FMT_MTD.1/INI_DIS allows the Personalization Agent to disable Initialization Data if their usage in the phase 4 “Operational Use” violates the security objective OT.Identification. The security objective OT.Chip_Auth_Proof “Proof of MRTD’s chip authenticity” is ensured by the Chip Authentication Protocol provided by FIA_API.1 proving the identity of the TOE. The Chip Authentication Protocol defined by FCS_CKM.1 is performed using a TOE internally stored confidential private key as required by FMT_MTD.1/CAPK and FMT_MTD.1/KEY_READ. The Chip Authentication Protocol [26] requires additional TSF according to FCS_COP.1/SHA (for the derivation of the session keys), FCS_COP.1/SYM and FCS_COP.1/CA_MAC (for the ENC_MAC_Mode secure messaging). The security objective OT.Prot_Abuse-Func “Protection against Abuse of Functionality” is ensured by the SFR FMT_LIM.1 and FMT_LIM.2 which prevent misuse of test functionality of the TOE or other features which may not be used after TOE Delivery. The security objective OT.Prot_Inf_Leak “Protection against Information Leakage” requires the TOE to protect confidential TSF data stored and/or processed in the travel document’s chip against disclosure - by measurement and analysis of the shape and amplitude of signals or the time between events found by measuring signals on the electromagnetic field, power consumption, clock, or I/O lines which is addressed by the SFR FPT_EMS.1, - by forcing a malfunction of the TOE which is addressed by the SFR FPT_FLS.1 and FPT_TST.1, and/or Public Security Target eTravel Essential 1.2 – BAC, EAC and AA activated ST Applicable on: 26/03/2021 Ref: D1521485 Rev: 1.1p Page : 78 / 101 - by a physical manipulation of the TOE which is addressed by the SFR FPT_PHP.3. The security objective OT.Prot_Phys-Tamper “Protection against Physical Tampering” is covered by the SFR FPT_PHP.3. The security objective OT.Prot_Malfuntion “Protection against Malfunctions” is covered by (i) the SFR FPT_TST.1 which requires self-tests to demonstrate the correct operation and tests of authorized users to verify the integrity of TSF data and TSF code, and (ii) the SFR FPT_FLS.1 which requires a secure state in case of detected failure or operating conditions possibly causing a malfunction. The security objective OT.Activ_Auth_Proof “Proof of MRTD’s chip authenticity through AA” is covered by FIA_API.1/AA that proves the identity of the TOE. FCS_COP.1/AA provides the signature. FMT_MTD.1/AAK and FMT_MTD.1/KEY_READ participate to confidentiality of AA private key. The following table is dedicated to Security Functional Requirement rationale for ES update. O.SECURE_LOAD_ACODE O.SECURE_ACTIVATION_ACODE O.TOE_IDENTIFICATION O.CONFID-LOAD_ACODE FCS_COP.1/ES-UPDATE-DEC X FCS_COP.1/ES-UPDATE-VER X FDP_ACC.1/ES-UPDATE X X X X FDP_ACF.1/ES-UPDATE X X X X FIA_UID.1/ES-UPDATE X X X X FIA_ATD.1/ES-UPDATE X FMT_MSA.3/ES-UPDATE X X X X FMT_SMR.1/ES-UPDATE X X X X FMT_SMF.1/ES-UPDATE X FPT_EMS.1/ES-UPDATE X X FPT_FLS.1/ES-UPDATE X X X X FPT_TST.1/ES-UPDATE X X X X Table 19: Security Functional Requirement rationale for ES update O.SECURE_LOAD_ACODE This security objective specifies that the TOE shall check the authenticity and the integrity of the additional code to be loaded. This is covered by FDP_ACC.1/ES-UPDATE, FDP_ACF.1/ES-UPDATE, FIA_UID.1/ES-UPDATE, FMT_MSA.3/ES-UPDATE, FMT_SMR.1/ES- UPDATE, FCS_COP.1/ES-UPDATE-VER, FPT_TST.1/ES-UPDATE and FPT_FLS.1/ES-UPDATE that define the different access control policies for the authenticity and the integrity. It is also covered by FPT_EMS.1/ES-UPDATE avoiding disclosure of keys required for access control. O.SECURE_AC_ACTIVATION This security objective specifies that the activation of the additional code and update of the Identification Data shall be performed at the same time in an atomic way. This is covered by FDP_ACC.1/ES-UPDATE, FDP_ACF.1/ES-UPDATE, FIA_UID.1/ES-UPDATE, FMT_MSA.3/ES-UPDATE, FMT_SMR.1/ES-UPDATE, FMT_SMF.1/ES-UPDATE, FPT_TST.1/ES- UPDATE and FPT_FLS.1/ES-UPDATE that define the different access control policies. Public Security Target eTravel Essential 1.2 – BAC, EAC and AA activated ST Applicable on: 26/03/2021 Ref: D1521485 Rev: 1.1p Page : 79 / 101 O.TOE_IDENTIFICATION This security objective specifies the identifications of both the Initial TOE and additional code. This is covered by FDP_ACC.1/ES-UPDATE, FDP_ACF.1/ES-UPDATE, FIA_ATD.1/ES-UPDATE, FIA_ATD.1/ES-UPDATE, FMT_MSA.3/ES-UPDATE, FMT_SMR.1/ES- UPDATE, FPT_TST.1/ES-UPDATE and FPT_FLS.1/ES-UPDATE. O.CONFID-ES-UPDATE.LOAD This security objective specifies that the TOE shall decrypt the additional code prior installation. This is covered by FDP_ACC.1/ES-UPDATE, FDP_ACF.1/ES- UPDATE, FIA_UID.1/ES-UPDATE, FMT_MSA.3/ES-UPDATE, FMT_SMR.1/ES-UPDATE, FCS_COP.1/ES-UPDATE-DEC, FPT_EMS.1/ES-UPDATE, FPT_TST.1/ES-UPDATE and FPT_FLS.1/ES-UPDATE to cover this confidentiality objective. Public Security Target eTravel Essential 1.2 – BAC, EAC and AA activated ST Applicable on: 26/03/2021 Ref: D1521485 Rev: 1.1p Page : 80 / 101 6.3.2 Dependency Rationale The rationale in this paragraph comes from [PP-MRTD-EAC] §6.3.2. Additions due to Active Authentication are shaded. SFR Dependencies Support of the dependencies FAU_SAS.1 No dependencies FCS_CKM.1/CA [FCS_CKM.2 or FCS_COP.1], FCS_CKM.4 FCS_COP.1/CA_MAC, FCS_CKM.4 FCS_CKM.1/KeyPair [FCS_CKM.2 or FCS_COP.1], FCS_CKM.4 FCS_COP.1/CA_MAC, Not fulfilled, see note 1 FCS_CKM.1/PERSO [FCS_CKM.2 or FCS_COP.1], FCS_CKM.4 FCS_COP.1/PERSO, FCS_CKM.4 FCS_CKM.4 [FDP_ITC.1, FDP_ITC.2, or FCS_CKM.1] FCS_CKM.1/CA, FCS_CKM.1/PERSO FCS_COP.1/SHA [FDP_ITC.1, FDP_ITC.2, or FCS_CKM.1], FCS_CKM.4 justification 2 for non-satisfied dependencies Fulfilled by FCS_CKM.4 FCS_COP.1/SYM [FDP_ITC.1, FDP_ITC.2, or FCS_CKM.1], FCS_CKM.4 FCS_CKM.1/CA FCS_CKM.4 FCS_COP.1/SIG_VER [FDP_ITC.1, FDP_ITC.2, or FCS_CKM.1], FCS_CKM.4 FCS_CKM.1/CA FCS_CKM.4 FCS_COP.1/CA_MAC [FDP_ITC.1, FDP_ITC.2, or FCS_CKM.1], FCS_CKM.4 FCS_CKM.1/CA FCS_CKM.4 FCS_COP.1/PERSO [FDP_ITC.1, FDP_ITC.2, or FCS_CKM.1], FCS_CKM.4 FCS_CKM.1/PERSO FCS_CKM.4 FCS_COP.1/AA [FDP_ITC.1, FDP_ITC.2, or FCS_CKM.1], FCS_CKM.4 FCS_CKM.1/KeyPair Not fulfilled: see note 1 FCS_RND.1 No dependencies FIA_AFL.1/PERSO FIA_UAU.1 FIA_UAU.1/PERSO FIA_UID.1/PERSO No dependencies FIA_UAU.1/PERSO FIA_UID.1 FIA_UID.1/PERSO FIA_UID.1/MRTD No dependencies FIA_UAU.1/MRTD FIA_UID.1 FIA_UID.1/MRTD FIA_UAU.4/MRTD No dependencies FIA_UAU.5/MRTD No dependencies FIA_UAU.6/MRTD No dependencies FIA_API.1/CA No dependencies FIA_API.1/AA No dependencies FDP_ACC.1 FDP_ACF.1 FDP_ACF.1 FDP_ACF.1 FDP_ACC.1, FMT_MSA.3 FDP_ACC.1, Not fulfilled: see note 3 FDP_UCT.1 [FTP_ITC.1, or FTP_TRP.1], [FDP_IFC.1 or FDP_ACC.1] justification 4 for non-satisfied dependencies, FDP_ACC.1 Public Security Target eTravel Essential 1.2 – BAC, EAC and AA activated ST Applicable on: 26/03/2021 Ref: D1521485 Rev: 1.1p Page : 81 / 101 SFR Dependencies Support of the dependencies FDP_UIT.1 [FTP_ITC.1, or FTP_TRP.1], [FDP_IFC.1 or FDP_ACC.1] justification 4 for non-satisfied dependencies, FDP_ACC.1 FMT_SMF.1 No dependencies FMT_SMR.1 FIA_UID.1 FMT_LIM.1 FMT_LIM.2 FMT_LIM.2 FMT_LIM.2 FMT_LIM.1 FMT_LIM.1 FMT_MTD.1/INI_ENA FMT_SMF.1 FMT_SMR.1 FMT_SMF.1, FMT_SMR.1 FMT_MTD.1/INI_DIS FMT_SMF.1 FMT_SMR.1 FMT_SMF.1, FMT_SMR.1 FMT_MTD.1/CVCA_INI FMT_SMF.1 FMT_SMR.1 FMT_SMF.1, FMT_SMR.1 FMT_MTD.1/CVCA_UPD FMT_SMF.1 FMT_SMR.1 FMT_SMF.1, FMT_SMR.1 FMT_MTD.1/DATE FMT_SMF.1 FMT_SMR.1 FMT_SMF.1, FMT_SMR.1 FMT_MTD.1/ KEY_WRITE FMT_SMF.1, FMT_SMR.1 FMT_SMF.1, FMT_SMR.1 FMT_MTD.1/CAPK FMT_SMF.1 FMT_SMR.1 FMT_SMF.1, FMT_SMR.1 FMT_MTD.1/AAK FMT_SMF.1 FMT_SMR.1 FMT_SMF.1, FMT_SMR.1 FMT_MTD.1/KEY_READ FMT_SMF.1 FMT_SMR.1 FMT_SMF.1, FMT_SMR.1 FMT_MTD.3 FMT_MTD.1 FMT_MTD.1/CVCA_INI, FMT_MTD.1/CVCA_UPD FPT_EMS.1 No dependencies FPT_TST.1 No dependencies FPT_FLS.1 No dependencies FPT_PHP.3 No dependencies Table 20: Security Functional Requirement dependencies for MRTD application Notes: No. 1: The dependency between FCS_COP.1/AA and FCS_CKM.4 is not fulfilled because the key is permanently stored on the card. No. 2: The hash algorithm required by the SFR FCS_COP.1/SHA does not need any key material. Therefore neither a key generation (FCS_CKM.1) nor an import (FDP_ITC.1/2) is necessary No. 3: The access control TSF according to FDP_ACF.1 uses security attributes having been defined during the personalisation and fixed over the whole life time of the TOE. No management of these security attributes (i.e. SFR FMT_MSA.1 and FMT_MSA.3) is necessary here. No. 4: The SFR FDP_UCT.1 and FDP_UIT.1 require the use secure messaging between the MRTD and the GIS. There is no need for the SFR FTP_ITC.1, e.g. to require this communication channel to be logically distinct from other communication channels since there is only one channel. Since the TOE does not provide a direct human interface a trusted path as required by FTP_TRP.1 is not applicable here. Public Security Target eTravel Essential 1.2 – BAC, EAC and AA activated ST Applicable on: 26/03/2021 Ref: D1521485 Rev: 1.1p Page : 82 / 101 The following table expresses the dependencies of SFR for ES update feature. SFR Dependencies Support of the dependencies FCS_COP.1/ES-UPDATE- DEC [FDP_ITC.1, FDP_ITC.2, or FCS_CKM.1], FCS_CKM.4 Note 1: justification 2 for non-satisfied dependencies FCS_COP.1/ES-UPDATE- VER [FDP_ITC.1, FDP_ITC.2, or FCS_CKM.1], FCS_CKM.4 Note 2: justification 2 for non-satisfied dependencies FDP_ACC.1/ES-UPDATE FDP_ACF.1 FDP_ACF.1/ES-UPDATE FDP_ACF.1/ES-UPDATE No dependencies FIA_UID.1/ES-UPDATE No dependencies FIA_ATD.1/ES-UPDATE FIA_UID.1 FIA_UID.1/ES-UPDATE FMT_MSA.3/ES-UPDATE FMT_MSA.1 FMT_SMR.1 Note 3: justification 1 for non-satisfied dependencies FMT_SMR.1/ES-UPDATE FMT_SMF.1/ES-UPDATE No dependencies FMT_SMR.1/ES-UPDATE FIA_UID.1 FIA_UID.1/ES-UPDATE FPT_EMS.1/ES-UPDATE No dependencies FPT_FLS.1/ES-UPDATE No dependencies FPT_TST.1/ES-UPDATE No dependencies Table 21: Security Functional Requirement dependencies for ES Update Note 1: FDP_ITC.1 or FDP_ITC.2 concerns import of user data and there is no user data (only TSF code) imported by such operation. There is no key generation FCS_CKM.1 or deletion FCS_CKM.4 for ES update. Keys are imported in Pre-Personalisation and are never erased. Note 2: idem to note 1. Note 3: FMT_MSA.1 is not necessary here as there is no management of these security attributes. 6.3.3 Security Assurance Requirements Rationale EAL5 was chosen because it provides a high level of independently assured security in a planned development. It requires a rigorous development approach without incurring unreasonable costs attributable to specialist security engineering techniques. The selection of the component ALC_DVS.2 provides a higher assurance of the security of the MRTD’s development and manufacturing especially for the secure handling of the MRTD’s material. The selection of the component AVA_VAN.5 provides a higher assurance of the security by vulnerability analysis to assess the resistance to penetration attacks performed by an attacker possessing a high attack potential. This vulnerability analysis is necessary to fulfil the security objectives OT.Sens_Data_Conf and OT.Chip_Auth_Proof. For these additional assurance components, all dependencies are met or exceeded in the EAL5 assurance package: Component Dependencies required by CC Part 3 or ASE_ECD Dependency fulfilled by TOE security assurance requirements (only additional to EAL5) ALC_DVS.2 no dependencies - AVA_VAN.5 ADV_ARC.1 ADV_ARC.1 ADV_FSP.4 ADV_FSP.5 ADV_TDS.3 ADV_TDS.4 ADV_IMP.1 ADV_IMP.1 AGD_OPE.1 AGD_OPE.1 AGD_PRE.1 AGD_PRE.1 ATE_DPT.1 ATE_DPT.3 Table 22: SAR Dependencies Public Security Target eTravel Essential 1.2 – BAC, EAC and AA activated ST Applicable on: 26/03/2021 Ref: D1521485 Rev: 1.1p Page : 83 / 101 6.3.4 Security Requirements – Mutual support and internal consistency Cf [PP-MRTD-EAC] §6.3.4 6.3.5 Compatibility between SFR of [ST_BAC_EAC] and [ST-IC] The following table lists the SFRs that are declared on the [ST-IC] Integrated Circuit Security Target [ST-IC] and separates them in: IP_SFR: Irrelevant Platform-SFRs not being used by the Composite-ST. RP_SFR-SERV: Relevant Platform-SFRs being used by the Composite-ST to implement a security service with associated TSFI. MRP_SFR-MECH: Relevant Platform-SFRs being used by the Composite-ST because of its security properties providing protection against attacks to the TOE as a whole and are addressed in ADV_ARC. These required security properties are a result of the security mechanisms and services that are implemented in the Platform TOE, as specified in [JIL_CPE]. These definitions are according to the [JIL_CPE] on which the Platform TOE on our case is the relaying IC, the [ST-IC] Integrated Circuit. The first column lists the [ST-IC] and the next columns indicate their classification according to the paragraph above. The SFR’s on the cells of the classification belong the TOE described in this document. If there is no SFR on each cell is because not all CC class families have a corresponding match on both sides, but all SFRs from the [ST-IC] have been classified. Moreover, no contradictions have been found between the Platform-SFRs set and the SFRs related to the composite product IC SFR's IP_SFR (I) RP_SFR-SERV (S) RP_SFR-MECH (M) FAU_SAS.1 X FAU_SAS.1 FCS_RNG.1/PTG.2 X FCS_RND.1 FCS_CKM.1/KeyPair FCS.CKM.1/PERSO FCS.CKM.1/CA FDP_ACC.1/Loader X FDP_ACC.1/Memory X FDP_ACC.1 FDP_ACF.1/Loader X FDP_ACF.1/Memory X FDP_ACF.1 FDP_IFC.1 X FDP_ACF.1 FDP_ITT.1 X FPT_EMS.1 FDP_SDC.1 X FDP_ACF.1 X FPT_PHP.3 FPT_EMS.1 FDP_SDI.2 X FDP_UIT.1 FDP_UCT.1 X FDP_UIT.1 X Public Security Target eTravel Essential 1.2 – BAC, EAC and AA activated ST Applicable on: 26/03/2021 Ref: D1521485 Rev: 1.1p Page : 84 / 101 IC SFR's IP_SFR (I) RP_SFR-SERV (S) RP_SFR-MECH (M) FIA_API.1 X FMT_LIM.1 X FMT_LIM.1 FMT_LIM.1/Loader X FMT_LIM.2 X FMT_LIM.2 FMT_LIM.2/Loader X FMT_MSA.1 X FMT_SMF.1 FMT_MSA.3 X FMT_SMF.1 FMT_SMF.1 X FMT_SMF.1 FMT_SMF.1/ES-UPDATE FPT_FLS.1 X FPT_FLS.1 FCS_CKM.4 FCS_COP.1 FCS_COP.1/ES-UPDATE-DEC FCS_COP.1/ES-UPDATE-VER FDP_ACC.1/ES-UPDATE FDP_ACF.1/ES-UPDATE FPT_FLS.1/ES-UPDATE FPT_ITT.1 X FPT_PHP.3 FPT_EMS.1 FPT_PHP.3 X FPT_PHP.3 FRU_FLT.2 X FPT_FLS.1 FTP_ITC.1 X Table 23: Compatibility between SFR of [ST_BAC_EAC] and [ST-IC] FAU_SAS.1 of [ST_BAC_EAC] is supported by FAU_SAS.1 of [ST-IC]. FCS_CKM.1/CA, FCS_CKM.1/KeyPair, FCS_CKM.1/PERSO and FCS_RND.1 are supported by FCS_RNG.1/PTG.2 of [ST-IC]. FPT_EMS.1 of [ST_BAC_EAC] are supported by FDP_SDC.1, FDP_ITT.1 and FPT_ITT.1 of [ST-IC]. FPT_PHP.3 of [ST_BAC_EAC] are supported by FPT_PHP.3, FDP_SDC.1 and FPT_ITT.1 of [ST-IC]. FPT_FLS.1 of [ST_BAC_EAC] is supported by FPT_FLS.1 and FRU_FLT.2 of [ST-IC]. FMT_LIM.1, FMT_LIM.2 of [ST_BAC_EAC] are supported by FMT_LIM.1, FMT_LIM.2 of [ST-IC]. FDP_ACC.1 of [ST_BAC_EAC] are supported by FDP_ACC.1/Memory FDP_ACF.1 of [ST_BAC_EAC] is supported by FDP_ACF.1/Memory, FDP_IFC.1 and FDP_SDC.1 of [ST-IC]. FMT_SMF.1 of [ST_BAC_EAC] is supported by FMT_SMF.1, FMT_MSA.1 and FMT_MSA.3 of [ST-IC]. FDP_UIT.1 of [ST_BAC_EAC] is supported by FDP_SDI.2 of [ST-IC]. FCS_CKM.4, FCS_COP.1 of [ST_BAC_EAC] are supported by FPT_FLS.1 of [ST-IC]. FIA_AFL.1, FIA_UID.1, FIA_UAU.1/MRTD, FIA_UAU.4/MRTD, FIA_UAU.5/MRTD, FIA_UAU.6/MRTD, FIA_API.1, FDP_UCT.1, FMT_SMR.1, all FMT_MTD.1, FMT_MTD.3, FPT_TST.1 are specific to [ST_BAC_EAC] and they do not conflict with [ST-IC]. Public Security Target eTravel Essential 1.2 – BAC, EAC and AA activated ST Applicable on: 26/03/2021 Ref: D1521485 Rev: 1.1p Page : 85 / 101 FCS_COP.1/ES-UPDATE-DEC of [ST_BAC_EAC] is supported by FPT_FLS.1 of [ST-IC]. FCS_COP.1/ES-UPDATE-VER of [ST_BAC_EAC] is supported by FPT_FLS.1 of [ST-IC]. FDP_ACC.1/ES-UPDATE of [ST_BAC_EAC] is supported by FPT_FLS.1 of [ST-IC]. FDP_ACF.1/ES-UPDATE of [ST_BAC_EAC] is supported by FPT_FLS.1 of [ST-IC]. FMT_SMF.1/ES-UPDATE of [ST_BAC_EAC] is supported by FMT_SMF.1 of [ST-IC]. FMT_SMR.1/ES-UPDATE of [ST_BAC_EAC] is supported by FPT_FLS.1 of [ST-IC]. FPT_FLS.1/ES-UPDATE of [ST_BAC_EAC] is supported by FPT_FLS.1 of [ST-IC]. FIA_UID.1/ES-UPDATE, FIA_ATD.1/ES-UPDATE, FMT_MSA.3/ES-UPDATE, FPT_EMS.1/ES- UPDATE, FPT_TST.1/ES-UPDATE are specific to [ST_BAC_EAC] and they do not conflict with [ST- IC]. We can therefore conclude that the SFR of [ST_BAC_EAC] and [ST-IC] are consistent. 6.3.6 Compatibility between SAR of [ST_BAC_EAC] and [ST-IC] The assurance level for [ST_BAC_EAC] is EAL5 augmented with ALC_DVS.2 and AVA_VAN.5 when the assurance level for the Integrated Circuit Security Target [ST-IC] is EAL6 augmented with ASE_TSS.2. Therefore SAR for [ST_BAC_EAC] and [ST-IC] are compatible as all components of [ST_BAC_EAC] are covered by equivalent or higher in [ST-IC]. We can therefore conclude that the SAR of [ST_PACE_EAC] and [ST-IC] are consistent. Public Security Target eTravel Essential 1.2 – BAC, EAC and AA activated ST Applicable on: 26/03/2021 Ref: D1521485 Rev: 1.1p Page : 86 / 101 7. TOE SUMMARY SPECIFICATION 7.1 TOE SECURITY FUNCTIONS TOE security functions are provided by the eTravel Essential 1.2 software and by the chip. 7.1.1 TSFs provided by the Etravel Essential 1.2 Software for MRTD Application SF Description SF.REL Protection of data SF.AC Access control SF.SYM_AUTH Symmetric authentication SF.SM Secure messaging SF.CA Chip Authentication SF.TA_CER Validity of the Certificate Chain SF.TA_AUT Terminal Authentication Mechanism SF.AA Active Authentication SF.KEYGEN Key Generation Table 24: Security Functions for MRTD Application provided by eTravel Essential 1.2 Software The SF.REL function provides the protection of data on the TOE. It encompasses:  physical protection of the TOE as defined in FPT_PHP.3, FPT_EMS.1, FPT_FLS.1,  the test mechanisms as defined in FPT_TST.1,  protection against misuse of tests as defined in FMT_LIM.1 and FMT_LIM.2, The SF.AC function provides the access control of the TOE. It encompasses:  the access control by the terminal as defined in FDP_ACC.1 and FDP_ACF.1,  the access control to specific data as defined in FAU_SAS.1, FMT_MTD.1/INI_ENA, FMT_MTD.1/INI_DIS, FMT_MTD.1/CVCA_INI, FMT_MTD.1/CVCA_UPD, FMT_MTD.1/DATE, FMT_MTD.1/KEY_WRITE,FMT_MTD.1/CAPK; FMT_MTD.1/AAK and FMT_MTD.1/KEY_READ,  the role management as defined in FMT_SMR.1 ,  the management functions linked to the different states of the TOE as defined in FMT_SMF.1. The SF.SYM_AUTH function provides the symmetric authentication functions to the TOE. It encompasses:  the identification and authentication as defined in FIA_UID.1/MRTD, FIA_UAU.1/MRTD FIA_UAU.4/MRTD, FIA_UAU.5/MRTD,  the identification and authentication in personalisation phase as defined in FIA_AFL.1/PERSO, FIA_UID.1/PERSO, and FIA_UAU.1/PERSO, The role authentication as requested by FMT_SMR.1 The SF.SM function provides the secure messaging of the TOE. It encompasses:  the secure transfer of data through SM as defined in FDP_UCT.1 and FDP_UIT.1,  the cryptographic mechanisms used for the authentication and the SM, as defined in FCS_COP.1/SYM, FCS_CKM.1/PERSO, FCS_COP.1/PERSO, and FCS_RND.1. Some cryptographic mechanisms are used for both authentication and secure messaging. For convenience, they are grouped in this function.  the erasure of session keys as defined in FCS_CKM.4. The SF.CA function provides the chip Authentication. It encompasses:  the CA authentication as defined in FIA_API.1/CA, FIA_UAU.6/MRTD  the CA cryptographic algorithm as defined in FCS_CKM.1/CA, FCS_COP.1/SHA, and FCS_COP.1/CA_MAC, Public Security Target eTravel Essential 1.2 – BAC, EAC and AA activated ST Applicable on: 26/03/2021 Ref: D1521485 Rev: 1.1p Page : 87 / 101  the generation and input of CA keys, as defined in FCS_CKM.1/KeyPair and FMT_MTD.1/CAPK,  The role authentication as requested by FMT_SMR.1 . The SF.TA_CER function provides the validity of the Certificate Chain. It encompasses:  the initialisation and update of data used for the validation, as defined in FMT_MTD.1/CVCA_INI, FMT_MTD.1/CVCA_UPD, FMT_MTD.1/DATE, and FMT_MTD.3. The SF.TA_AUT function provides the TA Mechanism. It encompasses:  the cryptographic mechanisms used for the authentication, as defined in FCS_COP.1/SIG_VER and FCS_COP.1/SHA,  The role authentication as requested by FMT_SMR.1 . The SF.AA function provides the active authentication. It encompasses:  the AA protocol itself as defined in FIA_API.1/AA,  the AA cryptographic algorithm as defined in FCS_COP.1/AA,  the generation and input of AA keys, as defined in FCS_CKM.1/KeyPair and FMT_MTD.1/AAK. The SF.KEYGEN function provides the key generation of the TOE. It encompasses:  the key generation as defined in FCS_CKM.1/KeyPair using random generation FCS_RND.1. It is also linked to FCS_CKM.4 erasing private key from volatile memory. 7.1.2 TSFs provided by the Etravel Essential 1.2 Software for ES Update SF Description SF.ES_LOAD Loading and verification of Additional Code SF.ES_ACTIVATE Activation of Additional Code SF.ES_ATOMIC Atomic ES Update transactions Table 25: Security Functions for ES Update The SF.ES_LOAD function performs the loading, deciphering and verification of authenticity of Additional code and compatibility with TOE version. It encompasses: protection of the TOE as defined in  FCS_COP.1/ES-UPDATE-DEC deciphering code,  FCS_COP.1/ES-UPDATE-VER verifying the authenticity of code,  FDP_ACC.1/ES-UPDATE, FDP_ACF.1/ES-UPDATE authorizing code loading,  FIA_UID.1.1/ ES-UPDATE identifying user for code loading,  FMT_SMR.1/ES-UPDATE managing role for code loading,  FPT_EMS.1/ES-UPDATE managing confidentiality of keys for code loading,  FPT_FLS.1/ES-UPDATE managing error for code loading. The SF.ES_ACTIVATE function performs the activation and identification of Additional code is an atomic operation. It encompasses: protection of the TOE as defined in  FIA_ATD.1/ES-UPDATE maintain the security attributes for code activation,  FMT_MSA.3/ES-UPDATE managing values for security attributes for code activation,  FMT_SMF.1/ES-UPDATE managing feature for code activation,  FMT_SMR.1/ES-UPDATE managing role for code activation,  FPT_FLS.1/ES-UPDATE managing error for code activation. The SF.ES_ATOMIC function performs the single ES Update operation, consisting of the code changes and the identification update, in atomic manner. Either the complete operation is fully performed, or not performed at all. It allows to remain in a secure state even in case of interruption. It encompasses: protection of the TOE as defined in  FMT_SMF.1/ES-UPDATE managing feature for code update atomicity,  FDP_ACC.1/ES-UPDATE, FDP_ACF.1/ES-UPDATE authorizing code update atomicity,  FPT_FLS.1/ES-UPDATE managing error for code rollback,  FPT_TST.1/ES-UPDATE managing check of atomicity of operation. Public Security Target eTravel Essential 1.2 – BAC, EAC and AA activated ST Applicable on: 26/03/2021 Ref: D1521485 Rev: 1.1p Page : 88 / 101 Public Security Target eTravel Essential 1.2 – BAC, EAC and AA activated ST Applicable on: 26/03/2021 Ref: D1521485 Rev: 1.1p Page : 89 / 101 7.1.3 TSFs provided by the IC The evaluation is a composite evaluation and uses the results of the CC evaluation provided by [CR- IC]. The IC and its primary embedded software have been evaluated at level EAL 6+. SF Description SF_PMODE Product Mode SF_AUDIT_STORAGE Audit storage SF_AUTHENT Authentication SF_CONF_INT Confidentiality and integrity SF_EXEC Correct Execution SF_MEM_ACCESS Memory Access Control SF_PHY_PRO Physical Protection SF_ALARM Alarm Management SF_RANDOM Randomization SF_RNG Random Number Generator SF_SEC_LOAD Secure Loading Table 26: Security Functions provided by the PEGASUS_CB_05 chip These SF are described in [ST-IC]. Public Security Target eTravel Essential 1.2 – BAC, EAC and AA activated ST Applicable on: 26/03/2021 Ref: D1521485 Rev: 1.1p Page : 90 / 101 8. RATIONALES 8.1 TOE SUMMARY SPECIFICATION RATIONALE 8.1.1 TOE security functions rationale SF.REL SF.AC SF.SYM_AUT SF.SM SF.CA SF.TA_CER SF.TA_AUT SF.AA SF.KEYGEN SF_PMODE SF_AUDIT_STORAGE SF_AUTHENT SF_CONF_INT SF_EXEC SF_MEM_ACCESS SF_PHY_PRO SF_ALARM SF_RANDOM SF_RNG SF_SEC_LOAD FAU_SAS.1 X X X FCS_CKM.1/CA X X X FCS_CKM.1/KeyPair X X X X X FCS_CKM.1/PERSO X X X FCS_CKM.4 X X X FCS_COP.1/SHA X X X FCS_COP.1/SYM X X FCS_COP.1/SIG_VER X X FCS_COP.1/CA_MAC X X FCS_COP.1/PERSO X X FCS_COP.1/AA X X FCS_RND.1 X X X FIA_AFL.1/PERSO X FIA_UID.1/PERSO X FIA_UAU.1/PERSO X FIA_UID.1/MRTD X FIA_UAU.1/MRTD X FIA_UAU.4/MRTD X FIA_UAU.5/MRTD X FIA_UAU.6/MRTD X FIA_API.1/CA X FIA_API.1/AA X FDP_ACC.1 X X X FDP_ACF.1 X X X FDP_UCT.1 X FDP_UIT.1 X FMT_SMF.1 X FMT_SMR.1 X X X X FMT_LIM.1 X X FMT_LIM.2 X X FMT_MTD.1/INI_ENA X X FMT_MTD.1/INI_DIS X X FMT_MTD.1/CVCA_INI X X X FMT_MTD.1/CVCA_UPD X X X Public Security Target eTravel Essential 1.2 – BAC, EAC and AA activated ST Applicable on: 26/03/2021 Ref: D1521485 Rev: 1.1p Page : 91 / 101 SF.REL SF.AC SF.SYM_AUT SF.SM SF.CA SF.TA_CER SF.TA_AUT SF.AA SF.KEYGEN SF_PMODE SF_AUDIT_STORAGE SF_AUTHENT SF_CONF_INT SF_EXEC SF_MEM_ACCESS SF_PHY_PRO SF_ALARM SF_RANDOM SF_RNG SF_SEC_LOAD FMT_MTD.1/DATE X X X FMT_MTD.1/KEY_WRITE X X FMT_MTD.1/CAPK X X X FMT_MTD.1/AAK X X X FMT_MTD.1/KEY_READ X X FMT_MTD.3 X FPT_EMS.1 X X X FPT_TST.1 X X X FPT_FLS.1 X X X X X X FPT_PHP.3 X X X Table 27: Rationale table of SFR and security functions of MRTD application The security functional requirement FAU_SAS.1 is fulfilled by the TOE security functions SF.AC “Access Control” and IC security function SF_PMODE “Product mode” which provide initialization data accessible for reading and writing action for initialisation and to the pre-personaliser and the personaliser. IC security function SF_AUDIT_STORAGE “Audit Storage” allows to store specific data in NVM as the unique identification of the product. The security functional requirement FCS_CKM.1/CA is fulfilled by TOE security function SF.CA “Chip Authentication” which enforces CA SM cryptographic mechanisms. It is also enforced by the IC security function SF_RNG “Random Number Generator “generating random and SF_EXEC “Correct Execution” which provides control on IC execution. The security functional requirement FCS_CKM.1/KeyPair is fulfilled by TOE security functions SF.KEYGEN which enforce key pair generation and SF.CA “Chip Authentication” which enforces CA SM cryptographic mechanisms and SF.AA “Active Authentication” which enforces AA mechanisms. It is also enforced by the IC security function SF_RNG “Random Number Generator “generating random and SF_EXEC “Correct Execution” which provides control on IC execution. The security functional requirement FCS_CKM.1/PERSO is fulfilled by TOE security function SF.SM “Secure Messaging” which enforces PERSO SM cryptographic mechanisms. It is also enforced by the IC security function SF_RNG “Random Number Generator “generating random and SF_EXEC “Correct Execution” which provides control on IC execution. The security functional requirement FCS_CKM.4 is fulfilled by TOE security functions SF.KEYGEN erasing private key from volatile memory at end of generation and SF.SM “Secure Messaging” which enforces the erasure of session keys. It is also enforced by the IC security function SF_EXEC “Correct Execution” which provides control on IC execution. The security functional requirement FCS_COP.1/SHA is fulfilled by the TOE security functions SF_CA “Chip Authentication” and SF.TA_AUT “Asymmetric Authentication Mechanism”. It is also enforced by the IC security function SF_EXEC “Correct Execution” which provides control on IC execution. The security functional requirements FCS_COP.1/SYM, FCS_COP.1/PERSO, and FCS_RND.1 are fulfilled by the TOE security function SF.SM “Secure Messaging” which enforces BAC SM cryptographic Public Security Target eTravel Essential 1.2 – BAC, EAC and AA activated ST Applicable on: 26/03/2021 Ref: D1521485 Rev: 1.1p Page : 92 / 101 mechanisms. It is also enforced by the IC security function SF_EXEC “Correct Execution” which provides control on IC execution. The security functional requirement FCS_RND.1 is also enforced by the IC security function SF_RNG “Random Number Generator” which provides random number. It is used by SF.KEYGEN. The security functional requirement FCS_COP.1/SIG_VER is fulfilled by TOE security function SF.TA_AUT “Terminal Authentication” which enforces Terminal Authentication mechanisms. It is also enforced by the IC security function SF_EXEC “Correct Execution” which provides control on IC execution. The security functional requirements and FCS_COP.1/CA_MAC are fulfilled by TOE security function SF.CA “Chip Authentication” which enforces CA SM cryptographic mechanisms. It is also enforced by the IC security function SF_EXEC “Correct Execution” which provides control on IC execution. The security functional requirement FCS_COP.1/AA is fulfilled by TOE security function SF.AA “Active Authentication” which enforces AA mechanisms. It is also enforced by the IC security function SF_EXEC “Correct Execution” which provides control on IC execution. The security functional requirements FIA_AFL.1/PERSO, FIA_UID.1/PERSO, FIA_UAU.1/PERSO, FIA_UID.1/MRTD, FIA_UAU.1/MRTD, FIA_UAU.4/MRTD, FIA_UAU.5/MRTD are fulfilled by the TOE security function SF.SYM_AUTH “Symmetric authentication” which manages symmetric authentication functions. The security functional requirements FIA_API.1/CA and FIA_UAU.6/MRTD is fulfilled by TOE security function SF.CA “Chip Authentication” which enforces CA mechanism. The security functional requirement FIA_API.1/AA is fulfilled by TOE security function SF.AA “Active Authentication” which enforces AA mechanisms. The security functional requirements FDP_ACC.1 and FDP_ACF.1 are fulfilled by TOE security function SF.AC “Access Control” and IC security function SF_PMODE “Product mode” and SF_MEM_ACCESS “Memory Access Control” which provide initialization data accessible for reading and writing action for initialisation. The security functional requirements FDP_UCT.1 and FDP_UIT.1 are fulfilled by TOE security function SF.SM “Secure Messaging” which ensures the confidentiality and integrity of data transfers. The security functional requirement FMT_SMF.1 is fulfilled by the TOE security function SF.AC “Access Control” and IC security function SF_MEM_ACCESS “Memory Access Control“ which ensures the management functions in the different life cycle status and access to TSF data. The security functional requirement FMT_SMR.1 is fulfilled by the TOE security function SF.AC “Access Control” which maintains the different roles according to the life cycle status. It is also fulfilled by SF.SYM_AUTH “Symmetric authentication”, SF.CA “Chip Authentication”, and SF.TA_AUT “Terminal Authentication Mechanism” which authenticate roles. The security functional requirements FMT_LIM.1 and FMT_LIM.2 are fulfilled by TOE security function SF.REL ”Reliability and IC security function SF_PMODE “Product mode” which limit the capabilities and availability of the TSF after TOE delivery. The security functional requirements FMT_MTD.1/INI_ENA, FMT_MTD.1/INI_DIS, FMT_MTD.1/KET_WRITE, FMT_MTD.1/KEY_READ are fulfilled by the TOE security function SF.AC “Access Control” which manages the access control and IC security function SF_MEM_ACCESS “Memory Access Control“ managing access to access to TSF data. The security functional requirements FMT_MTD.1/CVCA_INI, FMT_MTD.1/CVCA_UPD, FMT_MTD.1/DATE are fulfilled by the TOE security functions SF.AC “Access Control” which Public Security Target eTravel Essential 1.2 – BAC, EAC and AA activated ST Applicable on: 26/03/2021 Ref: D1521485 Rev: 1.1p Page : 93 / 101 manages the access control and IC security function SF_MEM_ACCESS “Memory Access Control“ managing access to access to TSF data and SF.TA_CER “Validity of the Certificate Chain” which initialises and updates data used for the validation. The security functional requirement FMT_MTD.1/AAK is fulfilled by the TOE security function SF.AC “Access Control” which manages the access control and IC security function SF_MEM_ACCESS “Memory Access Control“ managing access to access to TSF data and SF.CA “Chip Authentication” which enforces CA mechanisms. The security functional requirement FMT_MTD.1/AAK is fulfilled by the TOE security function SF.AC “Access Control” which manages the access control and IC security function SF_MEM_ACCESS “Memory Access Control“ managing access to access to TSF data and SF.AA “Active Authentication” which enforces AA mechanisms. The security functional requirement FMT_MTD.1/AAK is fulfilled by the TOE security function SF.TA_CER “Validity of the Certificate Chain” which initialises and updates data used for the validation of the certificate. The security functional requirement FPT_EMS.1 is fulfilled by the TOE security function SF.REL ”Reliability” and IC security function SF_CONF_INT “Confidentiality and integrity “ and SF_RANDOM “Randomization” which implement measures to limit information contained in electromagnetic and current emissions. The security functional requirement FPT_TST.1 is fulfilled by the TOE security function SF.REL ”Reliability” and IC security function SF_PHY_PRO “Physical Protection”, SF_EXEC “Correct Execution” which implement tests to protect the TOE. The security functional requirement FPT_FLS.1 is fulfilled by the TOE security function SF.REL “Reliability” and the IC security functions SF_PHY_PRO “Physical Protection”, SF_EXEC “Correct Execution”, SF_ALARM “Alarm Management” and SF_CONF_INT “Confidentiality and integrity “ and SF_MEM_ACCESS “Memory Access Control”, which preserve secure states. The security functional requirement FPT_PHP.3 is fulfilled by the TOE security function SF.REL “Reliability” and the IC security functions SF_PHY_PRO “Physical Protection” and SF_CONF_INT “Confidentiality and Integrity” which protect the TOE against physical attacks. The IC security functions SF_AUTHENT and SF_SEC_LOAD are not directly used. Public Security Target eTravel Essential 1.2 – BAC, EAC and AA activated ST Applicable on: 26/03/2021 Ref: D1521485 Rev: 1.1p Page : 94 / 101 The next table is dedicated to rationale of SFR with security functions of ES Update. SF.ES_LOAD SF.ES_ACTIVATE SF.ES_ATOMIC SF_PMODE SF_AUDIT_STORAGE SF_AUTHENT SF_CONF_INT SF_EXEC SF_MEM_ACCESS SF_PHY_PRO SF_ALARM SF_RANDOM SF_RNG SF_SEC_LOAD FCS_COP.1/ES-UPDATE-DEC X X FCS_COP.1/ES-UPDATE-VER X X FDP_ACC.1/ES-UPDATE X X X X X FDP_ACF.1/ES-UPDATE X X X X X FIA_UID.1/ES-UPDATE X X FIA_ATD.1/ES-UPDATE X X FMT_MSA.3/ES-UPDATE X X FMT_SMF.1/ES-UPDATE X X X FMT_SMR.1/ES-UPDATE X X X FPT_EMS.1/ES-UPDATE X X X FPT_FLS.1/ES-UPDATE X X X X FPT_TST.1/ES-UPDATE X X Table 28: Rationale table of SFR and security functions of ES Update The security functional requirement FCS_COP.1/ES-UPDATE-DEC is fulfilled by the TOE security functions SF.ES_LOAD and it is also enforced by the IC security function SF_EXEC “Correct Execution” which provides control on IC execution. The security functional requirement FCS_COP.1/ES-UPDATE-VER is fulfilled by the TOE security functions SF.ES_LOAD and it is also enforced by the IC security function SF_EXEC “Correct Execution” which provides control on IC execution. The security functional requirement FDP_ACC.1/ES-UPDATE is fulfilled by the TOE security functions SF.ES_LOAD, SF.ES_ATOMIC and it is also enforced by the IC security function SF_EXEC “Correct Execution” which provides control on IC execution and SF_PMODE and SF_MEM_ACCESS contributing to memory access control. The security functional requirement FDP_ACF.1/ES-UPDATE is fulfilled by the TOE security functions SF.ES_LOAD, SF.ES_ATOMIC and it is also enforced by the IC security function SF_EXEC “Correct Execution” which provides control on IC execution and SF_PMODE and SF_MEM_ACCESS contributing to memory access control. The security functional requirement FIA_UID.1/ES-UPDATE is fulfilled by the TOE security functions SF.ES_LOAD and it is also enforced by the IC security function SF_EXEC “Correct Execution” which provides control on IC execution. The security functional requirement FIA_ATD.1/ES-UPDATE is fulfilled by the TOE security functions SF.ES_ACTIVATE and it is also enforced by the IC security function SF_EXEC “Correct Execution” which provides control on IC execution. The security functional requirement FMT_MSA.3/ES-UPDATE is fulfilled by the TOE security functions SF.ES_ACTIVATE and it is also enforced by the IC security function SF_EXEC “Correct Execution” which provides control on IC execution. Public Security Target eTravel Essential 1.2 – BAC, EAC and AA activated ST Applicable on: 26/03/2021 Ref: D1521485 Rev: 1.1p Page : 95 / 101 The security functional requirement FMT_SMF.1/ES-UPDATE is fulfilled by the TOE security functions SF.ES_ACTIVATE, SF.ES_ATOMIC and it is also enforced by the IC security function SF_EXEC “Correct Execution” which provides control on IC execution. The security functional requirement FMT_SMR.1/ES-UPDATE is fulfilled by the TOE security functions SF.ES_LOAD, SF.ES_ACTIVATE and it is also enforced by the IC security function SF_EXEC “Correct Execution” which provides control on IC execution. The security functional requirement FPT_EMS.1/ES-UPDATE is fulfilled by the TOE security functions SF.ES_LOAD and it is also enforced by the IC security function SF_CONF_INT “Confidentiality and integrity “ and SF_RANDOM “Randomization” which implement measures to limit information contained in electromagnetic and current emissions. The security functional requirement FPT_FLS.1/ES-UPDATE is fulfilled by the TOE security functions SF.ES_LOAD and SF.ES_ACTIVATE and it is also enforced by the IC security function SF_EXEC “Correct Execution” which provides control on IC execution. The security functional requirement FPT_TST.1/ES-UPDATE is fulfilled by the TOE security functions SF.ES_ROLLBACK and it is also enforced by the IC security function SF_EXEC “Correct Execution” which provides control on IC execution Public Security Target eTravel Essential 1.2 – BAC, EAC and AA activated ST Applicable on: 26/03/2021 Ref: D1521485 Rev: 1.1p Page : 96 / 101 9. GLOSSARY AND ACRONYMS Glossary Term Definition Active Authentication Security mechanism defined in [PKI] option by which means the MTRD’s chip proves and the inspection system verifies the identity and authenticity of the MTRD’s chip as part of a genuine MRTD issued by a known State of organization. Agreement This term is used in the current PP in order to reflect an appropriate relationship between the parties involved, but not as a legal notion. Application note Optional informative part of the ST containing sensitive supporting information that is considered relevant or useful for the evaluation or use of the TOE. Audit records Write-only-once non-volatile memory area of the travel document’s chip to store the Initialisation Data and Pre-personalisation Data. Authenticity Ability to confirm that the travel document itself and the data elements stored in were issued by the travel document Issuer Basic Access Control (BAC) Security mechanism defined in [PKI] by which means the travel document’s chip proves and the basic inspection system (with BAC) protects their communication by means of secure messaging with Document Basic Access Keys (see there) based on MRZ information as key seed and access condition to data stored on travel document’s chip according to LDS. Basic Inspection System with Basic Access Control protocol (BIS- BAC) A technical system being used by an official organisation1 and operated by a governmental organisation and verifying correspondence between the stored and printed MRZ. BIS-BAC implements the terminal’s part of the Basic Access Control protocol and authenticates itself to the travel document using the Document Basic Access Keys drawn form printed MRZ data for reading the less-sensitive data (travel document details data and biographical data) stored on the travel document. See also par. 1.2.5; also [PKI]. Basic Inspection System with PACE protocol (BIS-PACE) A technical system being used by an inspecting authority2 and verifying the travel document presenter as the travel document holder (for ePassport: by comparing the real biometric data (face) of the travel document presenter with the stored biometric data (DG2) of the travel document holder). BIS-PACE implements the terminal’s part of the PACE protocol and authenticates itself to the travel document using a shared password (PACE password) and supports Passive Authentication. A technical system being used by an inspecting authority and verifying the ePass presenter as the ePass holder (for ePassport: by comparing the real biometrical data (face) of the ePass presenter with the stored biometrical data (DG2) of the ePass holder). The Basic Inspection System with PACE is a PCT additionally supporting/applying the Passive Authentication protocol. Biographical data (biodata) The personalised details of the travel document holder appearing as text in the visual and machine readable zones of and electronically stored in the travel document. The biographical data are less-sensitive data. Biometric reference data Data stored for biometric authentication of the travel document holder in the travel document as (i) digital portrait and (ii) optional biometric reference data (e.g. finger and iris). Card Access Number (CAN) A short password that is printed or displayed on the document. The CAN is a non-blocking password. The CAN may be static (printed on the Passport), semi- static (e.g. printed on a label on the Passport) or dynamic (randomly chosen by the electronic travel document and displayed by it using e.g. ePaper, OLED or similar technologies), see [ICAO-TR-SAC] 1 an inspecting authority; concretely, by a control officer 2 concretely, by a control officer Public Security Target eTravel Essential 1.2 – BAC, EAC and AA activated ST Applicable on: 26/03/2021 Ref: D1521485 Rev: 1.1p Page : 97 / 101 Term Definition Counterfeit An unauthorised copy or reproduction of a genuine security document made by whatever means [PKI]. Country Signing CertA Certificate (CCSCA) Certificate of the Country Signing Certification Authority Public Key (KPuCSCA) issued by Country Signing Certification Authority and stored in the rightful terminals. Country Signing Certification Authority (CSCA) An organisation enforcing the policy of the ePass Issuer with respect to confirming correctness of user and TSF data stored in the ePass. The CSCA represents the country specific root of the PKI for the ePasss and creates the Document Signer Certificates within this PKI. The CSCA also issues the self-signed CSCA Certificate (CCSCA) having to be distributed by strictly secure diplomatic means, see. [PKI], 5.5.1. Document Basic Access Keys Pair of symmetric (two-key) Triple-DES keys used for secure messaging with encryption (key KBENC) and message authentication (key KBMAC) of data transmitted between the TOE and an inspection system using BAC [PKI]. They are derived from the MRZ and used within BAC to authenticate an entity able to read the printed MRZ of the passport book; see [PKI]. Document Details Data Data printed on and electronically stored in the travel document representing the document details like document type, issuing state, document number, date of issue, date of expiry, issuing authority. The document details data are less- sensitive data. Document Security Object (SOD) A RFC 3369 CMS Signed Data Structure, signed by the Document Signer (DS). Carries the hash values of the LDS Data Groups: A hash for each Data Group in use shall be stored in the Security Data. It is stored in the ePassport application (EF.SOD) of the travel document. It may carry the Document Signer Certificate (CDS); see [PKI], sec. A.10.4. Document Signer (DS) An organisation enforcing the policy of the CSCA and signing the Document Security Object stored on the ePass for passive authentication. A Document Signer is authorised by the national CSCA issuing the Document Signer Certificate (CDS)(CDS), see [PKI]. This role is usually delegated to a Personalisation Agent. Eavesdropper A threat agent reading the communication between the travel document and the terminal to gain the data on the travel document. Enrolment The process of collecting biometric samples from a person and the subsequent preparation and storage of biometric reference templates representing that person's identity; see [PKI]. ePassport application A part of the TOE containing the non-executable, related user data (incl. biometric) as well as the data needed for authentication (incl. MRZ); this application is intended to be used by authorities, amongst other as a machine readable travel document (MRTD). See [ICAO-TR-SAC]. Forgery Fraudulent alteration of any part of the genuine document, e.g. changes to the biographical data or portrait; see [PKI]. Global Interoperability The capability of inspection systems (either manual or automated) in different States throughout the world to exchange data, to process data received from systems in other States, and to utilise that data in inspection operations in their respective States. Global interoperability is a major objective of the standardised specifications for placement of both eye-readable and machine readable data in all travel documents; see [PKI]. IC Dedicated Software Software developed and injected into the chip hardware by the IC manufacturer. Such software might support special functionality of the IC hardware and be used, amongst other, for implementing delivery procedures between different players. The usage of parts of the IC Dedicated Software might be restricted to certain life cycle phases. IC Embedded Software Software embedded in an IC and not being designed by the IC developer. The IC Embedded Software is designed in the design life cycle phase and embedded into the IC in the manufacturing life cycle phase of the TOE. Public Security Target eTravel Essential 1.2 – BAC, EAC and AA activated ST Applicable on: 26/03/2021 Ref: D1521485 Rev: 1.1p Page : 98 / 101 Term Definition Impostor A person who applies for and obtains a document by assuming a false name and identity, or a person who alters his or her physical appearance to represent himself or herself as another person for the purpose of using that person’s document; see [PKI]. Improperly documented person A person who travels, or attempts to travel with: (a) an expired travel document or an invalid visa; (b) a counterfeit, forged or altered travel document or visa; (c) someone else’s travel document or visa; or (d) no travel document or visa, if required; see [PKI]. Initialisation Data Any data defined by the travel document manufacturer and injected into the non- volatile memory by the Integrated Circuits manufacturer. These data are, for instance, used for traceability and for IC identification as travel document material (IC identification data). Inspection The act of an official organisation (inspection authority) examining an travel document presented to it by an travel document presenter and verifying its authenticity as the travel document holder. See also [PKI]. Inspection system see BIS-PACE for this PP. see also BIS-BAC for general information Integrated circuit (IC) Electronic component(s) designed to perform processing and/or memory functions. The travel document’s chip is an integrated circuit. Integrity Ability to confirm the travel document and its data elements stored upon have not been altered from that created by the travel document Issuer. Issuing Organisation Organisation authorised to issue an official travel document (e.g. the United Nations Organisation, issuer of the Laissez-passer); see [PKI]. Issuing State The country issuing the travel document; see [PKI]. Logical Data Structure (LDS) The collection of groupings of Data Elements stored in the optional capacity expansion technology [PKI]. The capacity expansion technology used is the travel document’s chip. Machine readable zone (MRZ) Fixed dimensional area located on the front of the travel document or MRP Data Page or, in the case of the TD1, the back of the travel document, containing mandatory and optional data for machine reading using OCR methods; see [PKI]. The MRZ-Password is a restricted-revealable secret that is derived from the machine readable zone and may be used for both PACE and BAC. Machine-verifiable biometrics feature A unique physical personal identification feature (e.g. an iris pattern, fingerprint or facial characteristics) stored on a travel document in a form that can be read and verified by machine; see [PKI]. Manufacturer Generic term for the IC Manufacturer producing integrated circuit and the travel document Manufacturer completing the IC to the travel document. The Manufacturer is the default user of the TOE during the manufacturing life-cycle phase. The TOE itself does not distinguish between the IC Manufacturer and travel document Manufacturer using this role Manufacturer. OTP One Time Programming. It is applied to non-volatile memory you program once and it cannot be change. PACE password A password needed for PACE authentication, e.g. CAN or MRZ. PACE Terminal (PCT) A technical system verifying correspondence between the password stored in the travel document and the related value presented to the terminal by the travel document presenter. PCT implements the terminal’s part of the PACE protocol and authenticates itself to the ePass using a shared password (CAN or MRZ). Passive authentication Security mechanism implementing (i) verification of the digital signature of the Card/Chip or Document Security Object and (ii) comparing the hash values of the read data fields with the hash values contained in the Card/Chip or Document Security Object. See [PKI]. Passport (physical and electronic) An optically and electronically readable document in form of a paper/plastic cover and an integrated smart card. The Passport is used in order to verify that Public Security Target eTravel Essential 1.2 – BAC, EAC and AA activated ST Applicable on: 26/03/2021 Ref: D1521485 Rev: 1.1p Page : 99 / 101 Term Definition identity claimed by the Passport presenter is commensurate with the identity of the Passport holder stored on/in the card. Password Authenticated Connection Establishment (PACE) A communication establishment protocol defined in [ICAO-TR-SAC]. The PACE Protocol is a password authenticated Diffie-Hellman key agreement protocol providing implicit password-based authentication of the communication partners (e.g. smart card and the terminal connected): i.e. PACE provides a verification, whether the communication partners share the same value of a password π). Based on this authentication, PACE also provides a secure communication, whereby confidentiality and authenticity of data transferred within this communication channel are maintained. Personalisation The process by which the Personalisation Data are stored in and unambiguously, inseparably associated with the travel document. Personalisation Agent An organisation acting on behalf of the travel document Issuer to personalise the travel document for the travel document holder by some or all of the following activities: (i)establishing the identity of the travel document holder for the biographic data in the travel document, (ii)enrolling the biometric reference data of the travel document holder, (iii)writing a subset of these data on the physical travel document (optical personalisation) and storing them in the travel document (electronic personalisation) for the travel document holder as defined in [PKI], (iv) writing the document details data, (v) writing the initial TSF data, (vi) signing the Document Security Object defined in [PKI] (in the role of DS). Please note that the role ‘Personalisation Agent’ may be distributed among several institutions according to the operational policy of the travel document Issuer. Generating signature key pair(s) is not in the scope of the tasks of this role. Personalisation Data A set of data incl. (i) individual-related data (biographic and biometric data,) of the travel document holder, (ii) dedicated document details data and (iii) dedicated initial TSF data (incl. the Card/Chip Security Object, if installed, and the Document Security Object). Personalisation data are gathered and then written into the non-volatile memory of the TOE by the Personalisation Agent in the life cycle phase card issuing. Pre-personalisation Data Any data that is injected into the non-volatile memory of the TOE by the Manufacturer for traceability of the non-personalised travel document and/or to secure shipment within or between the life cycle phases manufacturing and card issuing. Pre-personalised travel document’s chip travel document’s chip equipped with a unique identifier and a unique Authentication Key Pair of the chip. Receiving State The Country to which the travel document holder is applying for entry; see [PKI]. Reference data Data enrolled for a known identity and used by the verifier to check the verification data provided by an entity to prove this identity in an authentication attempt. RF-terminal A device being able to establish communication with an RF-chip according to ISO/IEC 14443 [ISO14443] Rightful equipment (rightful terminal or rightful Card) A technical device being expected and possessing a valid, certified key pair for its authentication, whereby the validity of the related certificate is verifiable up to the respective root CertA. A rightful terminal can be either BIS-PACE (see Inspection System). Secondary image A repeat image of the holder’s portrait reproduced elsewhere in the document by whatever means; see [PKI]. Secure messaging in combined mode Secure messaging using encryption and message authentication code according to ISO/IEC 7816-4 [ISO7816] Public Security Target eTravel Essential 1.2 – BAC, EAC and AA activated ST Applicable on: 26/03/2021 Ref: D1521485 Rev: 1.1p Page : 100 / 101 Term Definition Skimming Imitation of a rightful terminal to read the travel document or parts of it via the contactless/contact communication channel of the TOE without knowledge of the printed MRZ and CAN dataPACE password. Standard Inspection Procedure A specific order of authentication steps between an travel document and a terminal as required by [ICAO-TR-SAC], namely (i) PACE and (ii) Passive Authentication with SOD. SIP can generally be used by BIS-PACE and BIS- BAC. Supplemental Access Control A Technical Report which specifies PACE v2 as an access control mechanism that is supplemental to Basic Access Control. Terminal A Terminal is any technical system communicating with the TOE through a contactless / contact interface. TOE tracing data Technical information about the current and previous locations of the travel document gathered by inconspicuous (for the travel document holder) recognising the travel document Travel document Official document issued by a state or organisation which is used by the holder for international travel (e.g. passport, visa, official document of identity) and which contains mandatory visual (eye readable) data and a separate mandatory data summary, intended for global use, reflecting essential data elements capable of being machine read; see [PKI] (there “Machine readable travel document”). Travel document (electronic) The contactless/contact smart card integrated into the plastic or paper, optical readable cover and providing the following application: ePassport. Travel document holder A person for whom the ePass Issuer has personalised the travel document. Travel document Issuer (issuing authority) Organisation authorised to issue an electronic Passport to the travel document holder Travel document presenter A person presenting the travel document to a terminal and claiming the identity of the travel document holder. TSF data Data created by and for the TOE that might affect the operation of the TOE (CC part 1 [CC-1]). Unpersonalised travel document travel document material prepared to produce a personalised travel document containing an initialised and pre-personalised travel document’s chip. User Data All data (being not authentication data) (i)stored in the context of the ePassport application of the travel document as defined in [PKI]and (ii)being allowed to be read out solely by an authenticated terminal acting as Basic Inspection System with PACE (in the sense of [ICAO-TR-SAC]). CC give the following generic definitions for user data: Data created by and for the user that does not affect the operation of the TSF (CC part 1 [CC-1]). Information stored in TOE resources that can be operated upon by users in accordance with the SFRs and upon which the TSF places no special meaning (CC part 2 [CC-2]). Verification data Data provided by an entity in an authentication attempt to prove their identity to the verifier. The verifier checks whether the verification data match the reference data known for the claimed identity. Public Security Target eTravel Essential 1.2 – BAC, EAC and AA activated ST Applicable on: 26/03/2021 Ref: D1521485 Rev: 1.1p Page : 101 / 101 Acronyms Acronym Term AA Active Authentication BAC Basic Access Control BIS-BAC Basic Inspection System with BAC (equivalent to Basic Inspection System as used in [9]) BIS-PACE Basic Inspection System with PACE CAN Card Access Number CC Common Criteria CertA Certification Authority MRZ Machine readable zone n.a. Not applicable OSP Organisational security policy PACE Password Authenticated Connection Establishment PCD Proximity Coupling Device PICC Proximity Integrated Circuit Chip PP Protection Profile RF Radio Frequency SAC Supplemental Access Control SAR Security assurance requirements SFR Security functional requirement SIP Standard Inspection Procedure, see [ICAO-TR-SAC] TOE Target of Evaluation TSF TOE security functionality TSP TOE Security Policy (defined by the current document) END OF DOCUMENT