PREMIER MINISTRE
Secrétariat général de la défense nationale
Direction centrale de la sécurité des systèmes d’information
Rapport de certification
Certification report
2006/26
ATMEL Secure Microcontroller
AT90SC9618RCT rev. D
Paris, 14 December 2006
Courtesy Translation
Certification report 2006/26 ATMEL Secure Microcontroller AT90SC9618RCT rev. D
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Warning
This report is designed to provide sponsors with a document enabling them to assess the
security level of a product under the conditions of use and operation defined in this report for
the evaluated version. It is also designed to provide the potential purchaser of the product with
the conditions under which he may operate or use the product so as to meet the conditions of
use for which the product has been evaluated and certified; that is why this certification report
must be read alongside the evaluated user and administration guidance, as well as with the
product security target, which presents threats, environmental assumptions and the supposed
conditions of use so that the user can judge for himself whether the product meets his needs in
terms of security objectives.
Certification does not, however, constitute a recommendation product from DCSSI (Central
Directorate for Information Systems Security) and does not guarantee that the certified
product is totally free of all exploitable vulnerabilities.
Any correspondence about this report has to be addressed to :
Secrétariat Général de la Défense Nationale
Direction Centrale de la Sécurité des Systèmes d'Information
Centre de certification
51, boulevard de la Tour Maubourg
75700 PARIS cedex 07 SP, France
certification.dcssi@sgdn.pm.gouv.fr
Reproduction of this document without any change or cut is authorised.
ATMEL Secure Microcontroller AT90SC9618RCT rev. D
Certification report 2006/26
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Référence du rapport de certification Certification report reference
2006/26
Nom du produit Product name
ATMEL Secure Microcontroller AT90SC9618RCT rev. D
Référence/version du produit Product reference
AT90SC9618RCT, reference AT58823 revision D, with
Cryptographic software library Toolbox 3.x revision: 00.03.01.04.
Conformité à un profil de protection Protection profile conformity
PP/9806
Critères d’évaluation et version Evaluation criteria and version
Common Criteria version 2.2
Niveau d’évaluation Evaluation level
EAL 4 augmented
ADV_IMP.2, ALC_DVS.2, AVA_MSU.3, AVA_VLA.4
Développeur Developer
Atmel SmartCard ICs
Maxwell Building - Scottish Enterprise technology Park, East Kilbride,
Glasgow G75 0QR, Scotland
Commanditaire Sponsor
Atmel SmartCard ICs
Maxwell Building - Scottish Enterprise technology Park, East Kilbride,
Glasgow G75 0QR, Scotland
Centre d’évaluation Evaluation facility
CEA - LETI
17 rue des martyrs, 38054 Grenoble Cedex 9, France
Phone: +33 (0)4 38 78 40 87, email : cesti.leti@cea.fr
Recognition arrangements
CCRA
The product is recognised at EAL4 level.
SOG-IS
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Introduction
The Certification
Security certification for information technology products and systems is governed by decree
number 2002-535 dated April, 18th 2002, and published in the "Journal Officiel de la
République Française". This decree stipulates that:
• The central information system security department draws up certification reports.
These reports indicate the features of the proposed security targets. They may include
any warnings that the authors feel the need to mention for security reasons. They may
or may not be transmitted to third parties or made public, as the principals desire
(article 7).
• The certificates issued by the Prime Minister certify that the copies of the products or
systems submitted for evaluation fulfil the specified security features. They also
certify that the evaluations have been carried out in compliance with applicable rules
and standards, with the required degrees of skill and impartiality (article 8).
The procedures are available on the Internet site www.ssi.gouv.fr.
ATMEL Secure Microcontroller AT90SC9618RCT rev. D
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Content
1. THE PRODUCT........................................................................................................................... 6
1.1. PRESENTATION OF THE PRODUCT........................................................................................... 6
1.2. EVALUATED PRODUCT DESCRIPTION ..................................................................................... 6
1.2.1. Product identification.................................................................................................... 6
1.2.2. Security services............................................................................................................ 6
1.2.3. Architecture................................................................................................................... 7
1.2.4. Life cycle ....................................................................................................................... 8
1.2.5. Evaluated configuration................................................................................................ 9
2. THE EVALUATION.................................................................................................................. 10
2.1. EVALUATION REFERENTIAL ................................................................................................. 10
2.2. EVALUATION WORK ............................................................................................................. 10
3. CERTIFICATION...................................................................................................................... 11
3.1. CONCLUSION........................................................................................................................ 11
3.2. RESTRICTIONS...................................................................................................................... 11
3.3. RECOGNITION OF THE CERTIFICATE..................................................................................... 11
3.3.1. European recognition (SOG-IS).................................................................................. 11
3.3.2. International common criteria recognition (CCRA)................................................... 12
ANNEX 1. EVALUATION LEVEL OF THE PRODUCT.......................................................... 13
ANNEX 2. EVALUATED PRODUCT REFERENCES .............................................................. 14
ANNEX 3. CERTIFICATION REFERENCES ........................................................................... 17
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1. The Product
1.1. Presentation of the product
The evaluated product is the secure microcontroller AT90SC9618RCT, reference AT58823
revision D, with Cryptographic software library Toolbox 3.x revision: 00.03.01.04, developed
by Atmel SmartCard ICs.
The microcontroller aims to host one or several software applications and to be embedded in a
plastic support to create a Smartcard with multiple possible usages (identity documents,
banking, health card, pay-TV or transport applications …) depending on the Embedded
Software applications. However, only the microcontroller is evaluated. The software
applications are not in the scope of this evaluation.
1.2. Evaluated product description
The security target [ST] defines the evaluated product, its evaluated security functionalities
and its operation environment. Technical references used in this report are identified in the
security target.
This security target is compliant to [PP9806] protection profile.
1.2.1. Product identification
The configuration list [CONF] identifies the product’s constituent elements.
The certified version of the product can be identified by the following elements:
- Product name: AT90SC9618RCT, and product identification number: AT58823. This
information can be checked using Serial number register SN_0, which content should
be hexadecimal 0x22 (see [GUIDES], “AT90SC9618RCT Technical Data Sheet”
section 21.1.1.),
- Silicon revision: D. Contrary to the specifications described in the technical datasheet,
This information cannot be checked using Serial number register SN_1, which was not
properly updated. So ATMEL proposed the following process:
Customers will contact ATMEL with batch number information (Registers SN_2 to
SN_8),
ATMEL reply with required identification information (silicon revision).
- Toolbox revision: 00.03.01.04. This information can be checked using Tool-box 3.x
"Selftest" command, which answer should be hexadecimal 0x00030104 (see [TBX],
section 4.1).
The TOE can be physically identified by the mask numbers visible on the metal layer, and
listed in the PML document (cf. [CONF]).
1.2.2. Security services
The product provides mainly the following security services:
- Test Mode Entry,
- Protected Test Memory Access,
- Test Mode Disable,
ATMEL Secure Microcontroller AT90SC9618RCT rev. D
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- TOE Testing,
- Data Error Detection,
- FireWall,
- Event Audit,
- Event Action,
- Unobservability,
- Cryptography,
- Package mode entry,
- Test Memory Access in Package Mode.
1.2.3. Architecture
The AT90SC9618RCT microcontroller is made up of:
- AVR Risk processing unit,
- 96Kb of program ROM memory, and 32Kb ROM memory dedicated to Atmel’s
Crypto Library,
- 18K bytes of EEPROM program/data memory including 128 bytes of One Time
Programmable (OTP) memory and a 384-byte of bit-addressable area.
- 4K bytes of static RAM memory,
- a 32bit Checksum Accelerator,
- a CRC-16/32 peripheral,
- a Random Number Generator,
- a fast hardware DES/3DES peripheral,
- a 32bit crypto accelerator (AdvX) with its 32K-byte Crypto ROM that can be loaded
with either the ATMEL Toolbox library (ATMEL ROM or ATMEL crypto ROM), or
it can be loaded with the Customer Proprietary crypto library. The Atmel Toolbox
software library allows fast cryptographic algorithm implementations (RSA, SHA-1,
Prime Generation,...) on the AdvX.
- detectors which monitor voltage, frequency and temperature,
- a firewall that protects all memories, peripheral and IO register accesses,
- a power management system,
- logic peripherals including 2 timers, 1 serial port, an ISO7816 interface and an
ISO7816 controller,
- a dedicated test structure that can be used only in test mode for production testing, and
sawn before IC packaging.
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1.2.4. Life cycle
The product life-cycle is the following:
Phase 1
Phase 2
Phase 3
Phase 4
Phase 5
Phase 6
Phase 7
Smartcard embedded
software development
Product
construction
IC design with its dedicated
software
Smartcard IC database
construction
IC photomask fabrication
IC testing and prepersonalisation
IC manufacturing
Testing
IC packaging
Testing
Smartcard product finishing process
Testing
Personalisation
Smartcard product end-
usage
Poduct
usage
End of life process
Légende
Trusted delivery and
verification procedures
Delivery done within
secure environment
Phases
supposed
to
be
secured
ATMEL EKB
ATMEL RFO
Toppan Photomasks
France
ATMEL NTS
ATMEL EKB
Phase 1
Phase 2
Phase 3
Phase 4
Phase 5
Phase 6
Phase 7
Smartcard embedded
software development
Product
construction
IC design with its dedicated
software
Smartcard IC database
construction
IC photomask fabrication
IC testing and prepersonalisation
IC manufacturing
Testing
IC packaging
Testing
Smartcard product finishing process
Testing
Personalisation
Smartcard product end-
usage
Poduct
usage
End of life process
Légende
Trusted delivery and
verification procedures
Delivery done within
secure environment
Légende
Trusted delivery and
verification procedures
Delivery done within
secure environment
Phases
supposed
to
be
secured
ATMEL EKB
ATMEL RFO
Toppan Photomasks
France
ATMEL NTS
ATMEL EKB
Figure 1 – standard IC life-cycle
The different sites impacted by the evaluation are listed bellow.
The product is designed and tested by:
Atmel East Kilbride
Maxwell Building
Scottish Enterprise technology Park
East Kilbride
Glasgow G75 0QR,
Scotland.
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The database of the product is prepared by:
Atmel Rousset
Z.I. Rousset Peynier
13106 Rousset Cedex
France.
The photo masks of the product are manufactured by:
Toppan Photomasks France
224, bd John Kennedy
91100 Corbeil Essonnes
France.
The product is manufactured by:
Atmel North Tyneside
Middle Engine Lane
Silverlink business Park
North Tyneside, NE28 9N2
England.
The product can be in one of its three possible modes:
- “Test” mode: mode in which the microcontroller runs under the control of dedicated
test software written to EEPROM via a test interface, and in conjunction with stimulus
provided by an external test system. This mode is intended to be used solely by
authorized development staff.
- “User” mode: mode, in which the microcontroller runs under control of the smartcard
embedded software. It is intended that customers and end-users will always use the
MCU in user mode.
- “Package” mode: this mode is similar to Test Mode for testing returns from Phases 4-
7. Package mode runs a limited subset of test commands via a test interface, and in
conjunction with stimulus provided by an external test system. This mode is intended
to be used solely by authorized staff.
1.2.5. Evaluated configuration
This certification report applies to the microcontroller and software identified in §1.1 and
described in §1.2.3. Any other software used for the evaluation are not part of the scope of
certification.
With regard to the life-cycle, the evaluated product is the one at the end of its manufacturing
phase (phase 3).
For the evaluation needs, the product was provided in to the ITSEF in a mode known as
“open1
”.
1
mode that enables to load and execute a native code in EEPROM and also to disable the configurable security
mechanisms
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2. The evaluation
2.1. Evaluation referential
The evaluation has been performed in compliance with Common Criteria version 2.2 [CC],
with the Common Evaluation Methodology v2.2 [CEM].
For assurance componants above EAL4 level, the evaluation facility own evaluation methods
validated by DCSSI have been used.
In order to meet the specificities of smart cards, the [CCIC] and [CCAP] guides have been
applied.
The evaluation relies on the evaluation results of the same product in revision B certified the 8
December 2005 under the reference 2005/43 (cf. [2005/43]).
2.2. Evaluation work
The evaluation technical report [RTE], delivered to DCSSI the 30 November 2006, provides
details on the work performed by the evaluation facility and assesses that all evaluation tasks
are “pass”.
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3. Certification
3.1. Conclusion
The evaluation identified in chapter 2 and described in the evaluation technical report [ETR],
was carried out according to the current rules and standards, with the required competency
and impartiality by a licensed evaluation facility. All the work performed permits the release
of a certificate in conformance with the decree 2002-535.
This certificate testifies that the product “AT90SC9618RCT, reference AT58823 revision D,
with Cryptographic software library Toolbox 3.x revision: 00.03.01.04” submitted for
evaluation fulfils the security features specified in its security target [ST] for the evaluation
level EAL 4 augmented.
3.2. Restrictions
This certificate only applies on the product specified in chapter 1.2 of this certification report.
This certificate provides a resistance assessment of the product to a set of attacks which
remains generic due to the missing of any specific embedded application. Therefore, the
security of a final product based on the evaluated microcontroller would only be assessed
through the final product evaluation, which could be performed on the basis of the current
evaluation results.
The user of the certified product shall respect the operational environmental security
objectives summarized specified in the security target [ST] and shall respect the
recommendations in the guidance [GUIDES], in particular:
- Secure communication protocols and procedures shall be used between smartcard and
terminal.
- The integrity and the confidentiality of sensitive data stored or handled by the system
(terminals, communications....) shall be maintained.
3.3. Recognition of the certificate
3.3.1. European recognition (SOG-IS)
This certificate is released in accordance with the provisions of the SOG-IS agreement [SOG-
IS].
The European Recognition Agreement made by SOG-IS in 1999 allows recognition from
Signatory States of the agreement1
, of ITSEC and Common Criteria certificates. The
1 The signatory countries of the SOG-IS agreement are: Finland, France, Germany, Italy, The Netherlands,
Norway, Portugal, Spain, Sweden, Switzerland and United Kingdom.
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European recognition is applicable up to ITSEC E6 and CC EAL7 levels. The certificates that
are recognized in the agreement scope are released with the following marking:
3.3.2. International common criteria recognition (CCRA)
This certificate is released in accordance with the provisions of the CCRA [CC RA].
However, it is only recognised for EAL4 level.
The Common Criteria Recognition Arrangement allows the recognition, by signatory
countries1
, of the Common Criteria certificates. The mutual recognition is applicable up to the
assurance components of CC EAL4 level and also to ALC_FLR family. The certificates that
are recognized in the agreement scope are released with the following marking:
1 The signatory countries of the CCRA arrangement are: Australia, Austria, Canada, Czech Republic, Denmark,
Finland, France, Germany, Greece, Hungary, India, Israel, Italy, Japan, The Netherlands, New Zealand, Norway,
Singapore, Spain, Sweden, Turkey, United Kingdom and United States.
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Annex 1. Evaluation level of the product
Components by assurance level Assurance level of the product
Class Family
EAL
1
EAL
2
EAL
3
EAL
4
EAL
5
EAL
6
EAL
7
EAL
4+
Name of the component
ACM_AUT 1 1 2 2 1 Partial CM automation
ACM_CAP 1 2 3 4 4 5 5 4
Configuration support and
acceptance procedures
ACM
Configuration
management
ACM_SCP 1 2 3 3 3 2
Problem tracking CM
coverage
ADO_DEL 1 1 2 2 2 3 2 Detection of modification
ADO
Delivery and
operation ADO_IGS 1 1 1 1 1 1 1 1
Installation, generation and
start-up procedures
ADV_FSP 1 1 1 2 3 3 4 2
Fully defined external
interfaces
ADV_HLD 1 2 2 3 4 5 2
Security enforcing high-level
design
ADV_IMP 1 2 3 3 2 Implementation of the TSF
ADV_INT 1 2 3
ADV_LLD 1 1 2 2 1 Descriptive low-level design
ADV_RCR 1 1 1 1 2 2 3 1
Informal correspondence
demonstration
ADV
Development
ADV_SPM 1 3 3 3 1
Informal TOE security policy
model
AGD_ADM 1 1 1 1 1 1 1 1 Administrator guidance
AGD
Guidance AGD_USR 1 1 1 1 1 1 1 1 User guidance
ALC_DVS 1 1 1 2 2 2
Sufficiency of security
measures
ALC_FLR
ALC_LCD 1 2 2 3 1
Developer defined life-cycle
model
ALC
Life-cycle
support
ALC_TAT 1 2 3 3 1
Well-defined development
tools
ATE_COV 1 2 2 2 3 3 2 Analysis of coverage
ATE_DPT 1 1 2 2 3 1 Testing: high-level design
ATE_FUN 1 1 1 1 2 2 1 Functional testing
ATE
Tests
ATE_IND 1 2 2 2 2 2 3 2 Independent testing – sample
AVA_CCA 1 2 2
AVA_MSU 1 2 2 3 3 3
Analysis and testing of
insecure states
AVA_SOF 1 1 1 1 1 1 1
Strength of TOE security
function evaluation
AVA
Vulnerability
assessment
AVA_VLA 1 1 2 3 4 4 4 Highly resistant
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Annex 2. Evaluated product references
[2005/43] Certification Report 2005/43 - ATMEL Microcontroller
AT90SC9618RCT rev. B, 8 Decembre 2005, SGDN/DCSSI.
[ST] Referenced security target for the evaluation :
- Carbonear Security Target,
Reference: Carbonear_ST_v1.5
ATMEL
Public security target
- AT90SC9618RCT Security Target Lite,
Reference: TPG0097B_18Oct06
ATMEL
[RTE] Complete Evaluation Technical Report :
- Carbonear project – Evaluation technical report,
Reference: LETI.CESTI.CAR.RTE.001 version 1.0
CEA/LETI
- Carbonear Rev. D Project - Evaluation Technical Report
(Addendum),
Reference: LETI.CESTI.CAR.RTE.003 Version:1.0
CESTI LETI
For composite evaluation purpose, a deliverable version has been
validated:
- Carbonear Evaluation technical report Lite,
Reference: LETI.CESTI.CAR.RTE.002 version 1.0
CEA/LETI
- Carbonear Rev. D Project - Evaluation Technical Report Lite
(Addendum),
Reference: LETI.CESTI.CAR.RTE.004 version 1.2
CESTI LETI
[CONF] The configuration list is:
- Carbonear Design Configuration List,
Reference: Carbonear_DCL_V1.2_26Oct05
ATMEL
- Carbonear Manufacturing configuration list,
Reference: Carbonear_MCL_V1.3_19Jul06
ATMEL
- Carbonear Pattern and Mask List,
Reference: Carbonear_PML_13Nov06
ATMEL
- Toolbox 3.x Crypto Toolbox Configuration List,
Reference: TPR0150DX_06Sep05,
ATMEL
- Carbonear deliverables list,
Reference: Carbonear EDL-07Dec06
ATMEL
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[GUIDES] Guidance of the product:
- AT90SC CC AGD Interface,
Reference: AT90SC_GUID_V1.4_05Jul05
ATMEL
- AT90SC9618RCT Technical Data Sheet,
Reference: TPR0145AX_22Sep04
ATMEL
- AT90SC9618RCTErrata : Full NVM Erase,
Ref. TPG0136AX_19Oct06
ATMEL
- Toolbox 3.x on AT90SCxxxxC Family with AdvX,
Reference: TPR0133CX-26Jul05
ATMEL
- Efficient use of AdvX for Implementing Cryptographic
Operations,
Reference: TPR0142CX_14Jun05
ATMEL
- Securing Cryptographic Operations on AT90SC Products with
Toolbox 3.x,
Reference: TPR0141CX_03Apr06,
ATMEL
- AdvX for AT90SC family,
Reference: TPR0116BX.
ATMEL
- AT90SC Addressing Modes and Instruction Set,
Reference: 1323C-03May04
ATMEL
- Security Recommendations for AT90SC ASL4 Products,
Reference: TPR0066G-05Jul05
ATMEL
- Secured Hardware DES/TDES on AT90SC ASL4 Products,
Reference: TPR0063FX-29Sep06
ATMEL
- Generating unpredictable random numbers on the AT90SC
family devices,
Reference: 1573CX_SMIC_21mar03
ATMEL
- Using the supervisor and user modes on the AT90SC ASL4
products,
Reference: TPR0095A-11Mar03
ATMEL
- Checksum Accelerator use on the AT90SC ASL4 products,
Reference: TPR0065A-02Jul02
ATMEL
- Wafer Saw Recommendations,
Reference: TPG0079A_13Jun05
ATMEL
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[PP9806] Common Criteria for Information Technology Security Evaluation -
Protection Profile : Smart Card Integrated Circuit Version 2.0, Issue
September 1998.
Certified by the french certification scheme under the reference
PP/9806.
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Annex 3. Certification references
Decree number 2002-535 dated 18th
April 2002 related to the security evaluations and
certifications for information technology products and systems.
[CER/P/01] Procedure CER/P/01 - Certification of the security provided by IT
products and systems, DCSSI.
[CC] Common Criteria for Information Technology Security Evaluation :
Part 1: Introduction and general model,
January 2004, version 2.2, ref CCIMB-2004-01-001;
Part 2: Security functional requirements,
January 2004, version 2.2, ref CCIMB-2004-01-002;
Part 3: Security assurance requirements,
January 2004, version 2.2, ref CCIMB-2004-01-003.
[CEM] Common Methodology for Information Technology Security
Evaluation : Evaluation Methodology,
January 2004, version 2.2, ref CCIMB-2004-01-004.
[CC IC] Common Criteria Supporting Document - Mandatory Technical
Document - The Application of CC to Integrated Circuits, version 2.0,
April 2006.
[CC AP] Common Criteria Supporting Document - Mandatory Technical
Document - Application of attack potential to smart-cards, version 2.1,
April 2006.
[CC RA] Arrangement on the Recognition of Common criteria certificates in the
field of information Technology Security, May 2000.
[SOG-IS] «Mutual Recognition Agreement of Information Technology Security
Evaluation Certificates», version 2.0, April 1999, Management
Committee of Agreement Group.