Security Target: cible2008_37en

Security Target: cible2008_37en
LINQUS USIM 128K Smartcard
ESIGN PKI Signature Application
On GemXplore Generations G152B-EP3B OS platform,
Running on Infineon SLE88CFX4002P/m8834b17 chip
Ref T1004530 A3 / Version 1.0
Common Criteria V2.3
Security Target – Public version
EAL4+
LINQUS USIM 128K Smartcard:
ESIGN PKI Signature Application Security Target
TABLE OF CONTENTS
1.
INTRODUCTION ................................................................................................................................................................... 7
1.1
1.2
1.3
2.
SECURITY TARGET IDENTIFICATION ................................................................................................................................. 7
SECURITY TARGET OVERVIEW.......................................................................................................................................... 7
CC CONFORMANCE CLAIM ................................................................................................................................................ 8
TOE DESCRIPTION .............................................................................................................................................................. 9
2.1
PRODUCT TYPE.................................................................................................................................................................. 9
2.2
TOE COMPONENTS.......................................................................................................................................................... 10
2.2.1
GXG JavaCard description ....................................................................................................................................... 10
2.2.2
E-SIGN Applet description ........................................................................................................................................ 12
2.3
TOE LIFE CYCLE ............................................................................................................................................................. 13
2.3.1
TOE actors ................................................................................................................................................................ 13
2.3.1.1
2.3.1.2
Administrators of the TOE.................................................................................................................................................. 13
Users of the TOE ................................................................................................................................................................ 14
2.3.2
Limits of the TOE ...................................................................................................................................................... 14
2.4
TOE ENVIRONMENT ........................................................................................................................................................ 15
2.4.1
Development environment ......................................................................................................................................... 16
2.4.1.1
2.4.1.2
2.4.2
Software development ((Phase 1) ....................................................................................................................................... 16
Hardware development (Phase 2) ....................................................................................................................................... 16
Production environment ............................................................................................................................................ 16
2.4.2.1
2.4.2.2
2.4.2.3
IC initialization (Phases 3)................................................................................................................................................. 16
IC Packaging (phase 4) ....................................................................................................................................................... 16
Card Initialization and applet installation (phase 5)............................................................................................................ 16
2.4.3
Personalization environment (phase 6) ..................................................................................................................... 16
2.4.4
User environment (Phase 7) ...................................................................................................................................... 16
2.5
LOGICAL PHASES............................................................................................................................................................. 17
2.5.1
JavaCard states ......................................................................................................................................................... 17
2.5.2
Applet states .............................................................................................................................................................. 17
2.5.3
Card personalization ................................................................................................................................................. 18
2.5.4
Usage......................................................................................................................................................................... 18
2.5.4.1
2.5.4.2
2.6
3.
TOE INTENDED USAGE.................................................................................................................................................... 18
TOE SECURITY ENVIRONMENT.................................................................................................................................... 19
3.1
3.1.1
3.2
3.2.1
3.3
3.3.1
3.4
3.4.1
3.5
4.
ASSETS............................................................................................................................................................................ 19
Digital Signature assets............................................................................................................................................. 19
SUBJECTS ........................................................................................................................................................................ 19
Digital signature subjects.......................................................................................................................................... 19
THREATS ......................................................................................................................................................................... 20
Digital Signature threats ........................................................................................................................................... 20
ASSUMPTIONS ................................................................................................................................................................. 21
Digital Signature assumptions................................................................................................................................... 21
ORGANIZATIONAL SECURITY POLICIES............................................................................................................................ 21
TOE SECURITY OBJECTIVES ......................................................................................................................................... 22
4.1
4.2
5.
JavaCard logical states........................................................................................................................................................ 18
Applet logical states............................................................................................................................................................ 18
SECURITY OBJECTIVES FOR THE TOE.............................................................................................................................. 22
SECURITY OBJECTIVES FOR THE ENVIRONMENT .............................................................................................................. 23
IT SECURITY REQUIREMENTS...................................................................................................................................... 24
5.1
SECURITY FUNCTIONAL REQUIREMENTS .......................................................................................................................... 24
5.1.1
security functional requirements list ......................................................................................................................... 24
5.1.2
FCS – Cryptographic support ................................................................................................................................... 25
5.1.2.1
5.1.2.2
5.1.3.2
FCS_CKM.1 Cryptographic key generation....................................................................................................................... 25
FCS_CKM.4 ....................................................................................................................................................................... 25
FCS_COP.1 ...................................................................................................................................................................... 25
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ESIGN PKI Signature Application Security Target
5.1.3
FDP – User data protection ...................................................................................................................................... 26
5.1.3.1
5.1.3.2
5.1.3.3
5.1.3.4
5.1.3.5
5.1.3.6
5.1.3.7
5.1.4
FIA – Identification and Authentication .................................................................................................................... 30
5.1.4.1
5.1.4.2
5.1.4.3
5.1.4.4
5.1.5
FMT_MOF.1 ...................................................................................................................................................................... 30
FMT_MSA.1 ...................................................................................................................................................................... 31
FMT_MSA.2 ...................................................................................................................................................................... 31
FMT_MSA.3 ...................................................................................................................................................................... 31
FMT_MTD.1 ...................................................................................................................................................................... 31
FMT_SMR.1....................................................................................................................................................................... 31
FMT_SMF.1 ....................................................................................................................................................................... 31
FPT – Protection of the TSF...................................................................................................................................... 32
5.1.6.1
5.1.6.2
5.1.6.3
5.1.6.4
5.1.6.5
5.1.6.6
5.1.6.7
5.1.6.8
5.1.7
FIA_AFL.1 ......................................................................................................................................................................... 30
FIA_ATD.1......................................................................................................................................................................... 30
FIA_UAU.1 ........................................................................................................................................................................ 30
FIA_UID.1.......................................................................................................................................................................... 30
FMT – Security management..................................................................................................................................... 30
5.1.5.1
5.1.5.2
5.1.5.3
5.1.5.4
5.1.5.5
5.1.5.6
5.1.5.7
5.1.6
FDP_ACC.1........................................................................................................................................................................ 26
FDP_ACF.1 ........................................................................................................................................................................ 26
FDP_ETC.1 ........................................................................................................................................................................ 28
FDP_ITC.1 ......................................................................................................................................................................... 28
FDP_RIP.1.......................................................................................................................................................................... 28
FDP_SDI.2 ......................................................................................................................................................................... 29
FDP_UIT.1 ......................................................................................................................................................................... 29
FPT_AMT.1 ....................................................................................................................................................................... 32
FPT_EMSEC.1.1 ................................................................................................................................................................ 32
FPT_EMSEC.1.2 ................................................................................................................................................................ 32
FPT_FLS.1 ......................................................................................................................................................................... 32
FPT_PHP.1 ......................................................................................................................................................................... 32
FPT_PHP.3 ......................................................................................................................................................................... 33
FPT_TST.1 ......................................................................................................................................................................... 33
FPT_SEP.1 TSF Domain separation................................................................................................................................... 33
FTP – Trusted path/channels .................................................................................................................................... 33
5.1.7.1
FTP_ITC.1.......................................................................................................................................................................... 33
5.2
TOE SECURITY ASSURANCE REQUIREMENTS................................................................................................................... 34
5.2.1
TOE security assurance requirements list................................................................................................................. 34
5.3
SECURITY REQUIREMENTS FOR THE IT ENVIRONMENT ................................................................................................... 35
5.3.1
Certification Generation application (CGA)............................................................................................................. 35
5.3.1.1
5.3.1.2
5.3.1.3
5.3.1.4
5.3.2
Signature creation application (SCA) ....................................................................................................................... 36
5.3.2.1
5.3.2.2
5.3.2.3
5.3.2.4
5.4
6.
FCS_CKM.2 ....................................................................................................................................................................... 35
FCS_CKM.3 ....................................................................................................................................................................... 35
FDP_UIT.1 ......................................................................................................................................................................... 35
FTP_ITC.1.......................................................................................................................................................................... 35
FCS_COP.1 ........................................................................................................................................................................ 36
FDP_UIT.1 ......................................................................................................................................................................... 36
FTP_ITC.1.......................................................................................................................................................................... 36
FTP_TRP.1 ......................................................................................................................................................................... 36
SECURITY REQUIREMENTS FOR THE NON-IT ENVIRONMENT .......................................................................................... 36
TOE SUMMARY SPECIFICATION .................................................................................................................................. 38
6.1
TOE SECURITY FUNCTIONS ............................................................................................................................................. 38
6.1.1
TOE security functions list ........................................................................................................................................ 38
6.1.2
Security functions provided by the IC........................................................................................................................ 38
6.1.2.1
6.1.2.2
6.1.2.3
6.1.2.4
6.1.2.5
6.1.2.6
6.1.2.7
6.1.2.8
6.1.2.9
6.1.2.10
6.1.3
SEF1- Operating state checking.......................................................................................................................................... 38
SEF2- Phase management................................................................................................................................................... 39
SEF3- Protection against snooping. .................................................................................................................................... 39
SEF4- Data encryption and data distinguish ....................................................................................................................... 39
SEF5- Random number generating..................................................................................................................................... 39
SEF6- TSF self test............................................................................................................................................................. 39
SEF7- Notification of physical attack ................................................................................................................................. 40
SEF8- Virtual Memory System........................................................................................................................................... 40
SEF9- Cryptographic support ............................................................................................................................................. 40
SEF10- NVM Tearing save Write....................................................................................................................................... 40
Security functions provided by the Digital signature application E-SIGN................................................................ 40
6.1.3.1
6.1.3.2
SF_SIG_AUTHENTICATION - Authentication management........................................................................................... 40
SF_SIG_CRYPTO - Cryptography management ............................................................................................................... 41
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LINQUS USIM 128K Smartcard:
ESIGN PKI Signature Application Security Target
6.1.3.3
6.1.4
SF_SIG_MANAGEMENT Management of operations and Access control ..................................................................... 41
Security function provided by the JavaCard.............................................................................................................. 42
6.1.4.1
6.1.4.2
6.1.4.3
6.1.4.4
SF_CARD_AUTHENTICATION card authentication....................................................................................................... 42
SF_CARD_CRYPTO : Card cryptographic algorithm and keys managements................................................................. 42
SF_CARD_INTEGRITY : Card objects integrity .............................................................................................................. 43
SF_CARD_PROTECT : Card operation protection............................................................................................................ 43
6.2
ASSURANCE MEASURES .................................................................................................................................................. 45
6.2.1
Assurance measures list ............................................................................................................................................ 45
6.2.2
AM_ACM: Configuration management..................................................................................................................... 45
6.2.3
AM_ADO: Delivery and Operation........................................................................................................................... 45
6.2.4
AM_ADV: Development ............................................................................................................................................ 45
6.2.5
AM_AGD: Guidance documents ............................................................................................................................... 45
6.2.6
AM_ALC: Life cycle .................................................................................................................................................. 45
6.2.7
AM_ATE: Tests.......................................................................................................................................................... 45
6.2.8
AM_AVA: Vulnerability assessment .......................................................................................................................... 45
7.
PP CLAIMS ........................................................................................................................................................................... 46
7.1
PP REFERENCE ................................................................................................................................................................ 46
7.2
PP REFINEMENT .............................................................................................................................................................. 46
7.3
PP ADDITIONS ................................................................................................................................................................. 47
7.3.1
Assets refinement ....................................................................................................................................................... 47
7.3.2
Additional Organizational Security Policy................................................................................................................ 47
7.3.3
Additional threats ...................................................................................................................................................... 47
7.3.4
Additional security objectives.................................................................................................................................... 47
7.3.5
Additional security functional requirements ............................................................................................................. 47
7.3.6
Additional security assurance requirements ............................................................................................................. 48
8.
GLOSSARY & ABBREVIATIONS..................................................................................................................................... 49
9.
REFERENCES ...................................................................................................................................................................... 51
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LINQUS USIM 128K Smartcard:
ESIGN PKI Signature Application Security Target
LIST OF TABLES
Table 1 – GXG Digital Signature Card components...................................................................................... 8
Table 2 – GXG E-SIGN Life Cycle ............................................................................................................ 15
Table 3 – Digital signature Security Functional Requirements list .............................................................. 25
Table 4 – TOE security assurance requirements list .................................................................................... 35
Table 5 – TOE security functions list.......................................................................................................... 38
Table 6 – Assurance measures list .............................................................................................................. 45
Table 7 – Mapping of the performed operations and the IT security functional requirements ...................... 47
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LINQUS USIM 128K Smartcard:
ESIGN PKI Signature Application Security Target
LIST OF FIGURES
Figure 1 – GXG Digital Signature Card ........................................................................................................ 9
Figure 2 – GXG JavaCard architecture ....................................................................................................... 11
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LINQUS USIM 128K Smartcard:
ESIGN PKI Signature Application Security Target
1. INTRODUCTION
1.1 SECURITY TARGET IDENTIFICATION
Title:
Reference:
Version:
Date of creation:
Author:
TOE:
TOE version:
Product:
IT Security Certification scheme:
LINQUS USIM 128K Smartcard: ESIGN PKI Signature
Application Security Target
ASE10448_Public
1.0
10/10/2008
GEMALTO
ESIGN PKI signature application on GemXplore
Generations G152B-EP3B OS platform, running on
Infineon SLE88CFX4002P/m8834b17 chip; Ref
T1004530 A3 / Version 1.0
1.0
Linqus USIM 128K smartcard
DCSSI
This ST has been built with:
Common Criteria for Information Technology Security Evaluation Version 2.3 (ISO 15408), August
2005 which comprises [CCPART1], [CCPART2], and [CCPART3]
1.2 SECURITY TARGET OVERVIEW
The Target of Evaluation (TOE) is the E-SIGN application and the functionalities/services provided by the
GXG software to the E-SIGN application with the Infineon device SLE88CFX4002P/m8834b17 identified
in the BSI certificate BSI-DSZ-CC-0269-2006.
The product Linqus USIM 128K is a smart card inserted in a Mobile (i.e. SIM). The SIM is used for network
authentication and could embed others applications like PKI signature application E_SIGN. The E_SIGN
application is an application that provides a Secure Signature Creation Device [SSCD] as defined in the
DIRECTIVE 1999/93/EC of the European Parliament and of the Council of 13 December 1999 on a
Community Framework for electronic signatures” [DIRECTIVE].
The TOE is a Secure Signature Creation Device [SCCD] that provides both SCD/SVD generation and
Signature creation as described in the Protection Profile [PP SSCD3].
The product implements [JavaCard 2.2.1] and [GP2.1.1], and E-SIGN.
Part of the code is masked in ROM, the other part is in EEPROM, included the E-SIGN applet.
The Gemalto E-SIGN application is compliant with E-sign specifications (PK and SK authentication).
It covers the identity, digital signature and data storage services. The Digital signature key size is 1024 bits.
The Target Of Evaluation defined in this Security Target is the Secure Signature Creation Device (SSCD)
functionalities provided by the E-SIGN application, supported by the GXG JavaCard.
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LINQUS USIM 128K Smartcard:
ESIGN PKI Signature Application Security Target
TOE Components
Version
SLE88CFX4002P/m8834b17
Micro Controller
release b17
GXG JavaCard Embedded Software GXG -G152B -EP3B
Digital signature application (Applet) E-SIGN
Constructor
INFINEON
GEMALTO
GEMALTO
Table 1 – GXG Digital Signature Card components
This Security Target describes:
The Target Of Evaluation, the TOE components, the components in the TOE environment, the product
type, the TOE environment and life cycle, the limits of the TOE.
The Assets to be protected and the threats to be countered by the TOE itself during the usage of the
TOE.
The security objectives for the TOE and its environment
The security requirements the TOE security functional requirements and the TOE security assurance
requirements
The security functions and the assurance measures
1.3 CC CONFORMANCE CLAIM
This Security Target is CC part2 extended with the SFR FPT_EMSEC.1 (see PP SSCD3) and CC part 3
conformant
The TOE includes an Integrated Circuit certified with CC EAL5 augmented with ALC_DVS.2,
AVA_MSU.3 and AVA_VLA.4.
It is a composite evaluation.
The TOE provides a Digital Signature application and is based on certified PP SSCD Type 3.
The assurance level is EAL4 augmented with:
AVA_MSU.3 (Misuse- Analysis and testing of insecure states)
AVA_VLA.4 (Vulnerability Analysis-Highly resistant
The minimum strength level for the TOE security functions is “SOF-high”.
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LINQUS USIM 128K Smartcard:
ESIGN PKI Signature Application Security Target
2. TOE DESCRIPTION
2.1 PRODUCT TYPE
E-SIGN Applet
The TOE is part of the product described below.
The product is a Smart Card that provides Digital Signature creation services.
As shown in Figure 1 the GXG Signature Card is composed of:
• The Integrated Circuit Infineon SLE88CFX4002P/m8834b17,
• The Embedded Software of the GXG JavaCard
• EEPROMed application E-SIGN digital signature application.
GXG
Java Card 2.2.1 – GP 2.1.1
Integrated Circuit SLE88CFX4002P/m8834b17
Figure 1 – GXG Digital Signature Card
•
The Integrated Circuit is the SLE88CFX4002P/m8834b17, evaluated at EAL5+ level.
The Integrated Circuit certificate reference is BSI-DSZ-CC-0269-2006
The TOE Security Target is built using the Security Function provided by the Integrated Circuit and
described in the Security Target reference : SLE88CFX4000P /m8830 V1.3 – 25/04/2006 [IC-ST]
The evaluation of the GXG Digital Signature Card is built upon the results of the evaluation of the
Integrated Circuit SLE88CFX4002P
•
GXG JavaCard, implements latest standards:
- Java Card 2.2.1 (including all optional features: int, GC, 4 channels)
- Global platform 2.1.1 (including SCP02, delegated management, …)
- Full ETSI release 6
- 3GPP release 6
•
E-SIGN is the Digital Signature applet a Java Card type applet .
It covers digital signature services. The Digital signature key size is 1024 bit.
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LINQUS USIM 128K Smartcard:
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2.2 TOE COMPONENTS
The red dot line in Figure 1 shows the limit of the TOE.
The TOE is limited to the Digital Signature provided by E-SIGN, the GXG services available to install and
support E-SIGN, and the Integrated Circuit SLE88CFX4002P that supports the GXG JavaCard.
The Integrated Circuit full description is available in the Security Target referenced SLE88CFX4000P
/m8830 V1.3 – 25/04/2006.
The physical interfaces of the TOE are given in the table below:
Name
VCC
GND
CLK
RES
I/O
Temperature sensor
Shield
Light UV sensors
Glitch sensors
Short description
Power supply line
Power supply line
External clock line
Reset signal pad
Data Pads
Environment interfaces
Physical detectors
Physical detectors
Physical detectors
Type
Electrical interface
Electrical interface
Electrical interface
Electrical interface
I/O interface
Physical Interface
Physical Interface
Physical interface
Physical interface
The following sections describes GXG JavaCard and the E-SIGN signature applet.
2.2.1 GXG JavaCard description
The GXG is a JavaCard that implements major industry standards
Java Card 2.2.1 (including all optional features: int, GC, 4 channels)
Global Platform 2.1.1 (including SCP02, delegated management, …)
Full ETSI release 6
Maintain backward compatibility : Full ETSI release 5
3GPP Release 6
The GXG Embeds (if necessary) latest version of applications and browsers
SAT 4.3, WIB 1.3, WIM, BIP 2.1 (TBC)
The GXG Support for multiple networks (2G, 3G, CDMA, …)
Implies several Network Access Applications working together
Requires support for dynamic switching from 3G to 2G network
Each NAA is designed like a plug-in.
The JavaCard includes the following components:
•
The Ukos layer that provides the basic card functionalities with
Native layer libraries interfacing with the dedicated IC,
The cryptographic library proving DES and RSA algorithms, Hash algorithm and true random numbers.
•
The Java Kernel, which provides a secure framework for the execution of Java Card programs and data
access management (firewall).
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•
The Java Telecom Environment , which provides Network access applications, File system
management, Toolkit services functionalities, and OTA services.
The GXG JavaCard architecture is described in Figure 2
The JavaCard is built upon the SLE88CFX4002P/m8834b17 IC with a 400K EEPROM size.
The GXG JavaCard will provide the following services:
• Initialization of the GP card Manager and management the GP Card Life Cycle,
• Secure installation of the application under Card Manager control during personalization phase,
• Secure Messaging services during Applet personalization
• Deletion of application instances under Card manager control during personalization phase
• Secure operation of the Applet instances through Java Card/ API
• Card basic security services as:
Environmental operating conditions check through information provided by the IC,
Life Cycle consistency check,
Integrity and confidentiality of Keys in PIN stored for the applet
Secure data object handling and backup mechanisms,
Memory content management,
Mechanisms to prohibit other applets to interfere with E-SIGN applet.
Once the smart-card is personalized, the card is closed.
JT E
O TA
mechanism
Toolkit
framework
JKernel
µKOS
Network Access
Applications
File System
services
Open
Applica
Java
Ca
P
l
a
t
f
o
r
m
t
i
o
n
C
ard
rd
fa c
Java Card
Java Card
tor
Virtual Machine
Runtime
y
Environment
(JCVM)
APDU
Security
SYS
Crypto
Memor com
-stack
engines
y
HAL
32-bit Hardw are and libraries
Figure 2 – GXG JavaCard architecture
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LINQUS USIM 128K Smartcard:
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The Target Of Evaluation defined in this Security Target is limited to the Secure Signature Creation Device
(SSCD) functionalities provided by the E-SIGN application, supported by the GXG JavaCard services. Part
of the JTE outside the dot line (grey color) on Figure 2 is not in the scope of the evaluation.
2.2.2 E-SIGN Applet description
E-SIGN is a Java Card application that provides a Secure Signature Creation Device [SSCD] as defined in
the DIRECTIVE 1999/93/EC of the European Parliament and of the Council of 13 December 1999 on a
Community Framework for electronic signatures” [DIRECTIVE].
Three Protection Profiles have been defined The SSCD PP for a TOE Type 1, which is a SCD/SVD
generation component without signature creation and verification. The SCD generated on a SSCD Type 1
shall be exported to a SSCD Type 2 over a trusted channel [PP SSCD1].
• The SSCD PP for a TOE Type 2, which is a Signature creation and verification component [PP SSCD2].
This device imports the SCD from a SSCD Type 1
• The SSCD PP for a TOE Type 3, which is combination of the TOE Type 1 and Type 2 – i.e. Generation
and Signature creation/verification component. [PP SSCD3].
The E-SIGN application is based to a TOE Type 3 and supports
• The generation of SCD/SVD pairs on-board [PP SSCD3].
• The generation of electronic signatures.
Regarding [PP SSCD3] document:
- The Certification generation application (CGA) is the operator. The Operator is in charge of final
verification of Signatory identity and manages the WPKI platform. PKI activation is triggered by WPKI
platform centrally. This consists of 03.48 OTA SMS. The CGAverify the authenticity of SVD generated and
sent by the TOE.
- The Signature-creation application (SCA)is a set merchant site- operator in charge of performing
the presentation of the DTBS to the signatory prior to the signature process according to the signatory's
decision, sending a DTBS-representation to the TOE (using 03.48 OTA SMS), if the signatory indicates the
intend to sign, and attaching the qualified electronic signature generated by the TOE to the data or
providingthe qualified electronic signature as separate data..
- The administrator is the operator of in charge of WPKI platform.
- The signatory is the user of the Mobile who record to the service.
E-SIGN features the following options:
The purpose of the application is to use PKI features so that the user is able to sign, encrypt or make
secure transactions using Public key/Private key generated in the SIM and stored securely within.
The applet is implemented in Java language, and it is interoperable, in order to ensure easy mounting
on non-Gemalto cards compatible to JavaCard 2.2.1
The applet content is:
OTA SMS reception
Dynamic menu
Key generation
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Key renewal
Signing
Modify PIN
Retry PIN
Reset PIN
PKI applet is triggered by 03.48 SMS for Key generation, Key renewal, Signing or Reset PIN. But
Key generation can be launch by menu selection with dynamic menu mechanism.
Change PIN and Retry PIN features are embedded to allow PIN management.
The main purpose of the application is to use PKI features so that the user is able to sign, encrypt or make secure
transactions using Public key/private key generated in the SIM and stored securely within.
User Registration
The user have to follow the registration process and following several off-line security controls, a Customer Call
Center agent call him/her for final verification of identity. PKI activation is triggered by WPKI platform
centrally. This consists of 03.48 OTA SMS.
Registration code is embedded inside the registration request (inside SMS) and is used to compare user
registration code.
During this operation, the user is asked to choose a 6 digits secure user-signing PIN.
Once registration is successful, Key generation takes place and a certificate is generated using PKCS#10 format.
Signed PKCS#10 certificate and SVD are sent via SMS.
Signing
The user is asked to sign with Display Text on the mobile after a request signature received by 03.48 OTA SMS.
The hash to sign is displayed on the Mobile. The user is requested to enter PIN. If PIN is correct, the signature is
computed and the signed hash is sent by SMS.
If the user has blocked PIN, he may have the possibility to try it 2 more times after verification of correct
passcode stored in SIM at perso time.
NB: The passcode functionality is out of scope of this Security target.
2.3 TOE LIFE CYCLE
The TOE is composed of a JavaCard and a EEPROMed Java Card Applet.
The life cycle is described in table 2.
For this product, the JavaCard Software is masked partially in ROM during IC manufacturing where the rest
of the OS and the applet are stored into EEPROM during Initialization/Personalization phase.
2.3.1 TOE actors
2.3.1.1 Administrators of the TOE
The administrators of the TOE are the developers, the manufacturers, the personalizer and the card issuers.
•
The Product Developer designs the Embedded Software that includes JavaCard and Digital signature
application software, during phase 1. For this product, the developer is GEMALTO.
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LINQUS USIM 128K Smartcard:
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•
The IC Manufacturer or founder- designs the IC during phase 2 and manufactures the Smart Card IC
with part of the Embedded Software during phase 3. For this product, the silicon manufacturer is
INFINEON
•
The Card Manufacturer is responsible for:
Manufacturing the Smart Cards with the masked IC, packaging and testing during phase 4,
Smart Card product finishing process and testing during phase 4,
Loading part of the OS in EEPROM, Card initialization (loading of data and setting JavaCard to OPREADY state) during phase 5,
Applet installation during phase 5.
For this product the card manufacturer is GEMALTO
•
The JavaCard Personalizer personalizes the card by loading the Card issuer and End user data as well as
Application secrets such as cryptographic keys and PIN, during phase 6. For this product, the
Personalizer is GEMALTO.
•
The Applet Personalizer will
Generate instance of the installed application,
Load secret data as keys and PIN.
This occurs also during phase 6. For this product, the JavaCard Personalizer and Applet Personalizer is
GEMALTO
•
The Card Issuer The Card issuer -short named « issuer » issues cards to its customers that are the « End
users ». The card belongs to the Card issuer. Therefore, the Card Issuer is responsible during card usage
phase (phase 7) for:
Distribution of the cards.
Maintenance of the cards (i.e. unblocking the PIN)
Invalidation of the cards.
Depending on the product end usage, the Card issuers are Banks, Operators, Private companies or
governmental organizations.
The card issuer is the subject S.admin defined in section 3.2
2.3.1.2 Users of the TOE
Usage of the TOE corresponds to phase 7, when the card has been fully personalized and delivered by the
Card Issuer to the End User.
• The End User (or cardholder) is a customer of the Card issuer
The End User is the subject S.Signatory defined in section 3.2
2.3.2 Limits of the TOE
Table 2 presents the TOE product type life-cycle with the logical phases and related Card and application
state.
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Phase
Limit of the
TOE
1
Smart Card
fabrication
2
3
4
5
6
7
Smart Card
fabrication
Smart Card
fabrication
Smart Card
fabrication
Smart Card
fabrication
Smart Card
usage
Smart Card
usage
Limits of the
TOE
Industrial Step
Development
Industrial
Deliverables
Logical Phase
TOE
Administrators
Card State
Application state
JavaCard
Software
Application
JavaCard design
None
None
None
None
Development
Hard mask set
IC design
Product
developer
Application
developer
IC manufacturer
None
None
Production
Wafers with
Chips
Modules
IC Initialization
IC manufacturer
none
noe
IC Packaging
none
none
Card with
JavaCard
software
EEPROM part of the
OS
Card Initialization
Card
manufacturer
Card
manufacturer
And
Applications
Card
personalized
Applet
personalized
Applet Installed and
selectable
Card Personalization
Production
Production
Personalization
User – Use
Applet design
Applet personalized
Card Distribution Card
Termination
Card
manufacturer
Platform
Personalizer
Applet
personalizer
Card issuer
End User
OP_READY
INITIALIZED
(SECURED)
SECURED
SECURED
LOCKED
TERMINATED
INSTALLED
SELECTABLE
INSTALLED
SELECTABLE
INSTALLED
SELECTABLE
SELECTABLE
LOCKED
Table 2 – GXG E-SIGN Life Cycle
The TOE limits correspond to the Phase 1 to the phase 3.
The TOE provides security mechanisms to allow only authorized administrator to securely initialize and
install and personalize the JavaCard and applets.
Secure configuration and set up of the TOE are specified in Administrator and User Guidance documents.
Logical phases of the JavaCard and the applets are described in section 2.5.
2.4 TOE ENVIRONMENT
The TOE environment is defined as follow:
•
•
•
•
Development environment corresponding to the Product developer environment (phase1), and the IC
Photo mask Fabrication environment (phase 2);
Production environment corresponding to the generation of the masked Integration Circuit (phase 3), the
manufacturing of the card (phase 4), the initialization of the JavaCard (phase 5) and the installation of
the applet (phase 5), the test operations, and initialization of the JavaCard;
Personalization environment corresponding to phase 6 including personalization and testing of the Open
JavaCard with the user data, the personalization of the Applet.
User environment corresponding to phase 7.
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2.4.1 Development environment
2.4.1.1 Software development ((Phase 1)
This environment is limited to GEMALTO La Ciotat site.
To ensure security, access to development tools and products elements (PC, emulator, card reader,
documentation, source code, etc…) is protected. The protection is based on measures for prevention and
detection of unauthorized access. Two levels of protection are applied:
- Access control to GEMALTO La Ciotat office and sensitive areas.
- Access to development data through the use of a secure computer system to design, implement and test
software.
2.4.1.2 Hardware development (Phase 2)
This environment is limited to INFINEON Munich and Graz sites.
The IC development environment is described in SLE88CFX4002P security target IC Security Target
reference.
2.4.2 Production environment
2.4.2.1 IC initialization (Phases 3)
This environment is limited to INFINEON Dresden and Corbeil-Essonnes sites.
The IC development environment is described in SLE88CFX4002P security target IC Security Target
reference.
2.4.2.2 IC Packaging (phase 4)
This environment is limited to GEMALTO Gemenos site.
Access to IC packaging is physically protected. The protection is based on measures for prevention and
detection of unauthorized access.
2.4.2.3 Card Initialization and applet installation (phase 5)
This environment is limited to GEMALTO Gemenos site.
Access to production is physically protected. The protection is based on measures for prevention and
detection of unauthorized access.
2.4.3 Personalization environment (phase 6)
This environment can be GEMALTO Gemenos site.
Access to personalization site is physically protected. The protection is based on measures for prevention
and detection of unauthorized access.
2.4.4 User environment (Phase 7)
At the end of phase 6, the Card Issuer delivers the Smart Card to the Card Holder.
The Card Holder as the signatory will use his Card for electronic signature purpose with the Mobile and via
OTA Platform.
The signatory will generate the SCD/SVD keys pair.
The signatory will export the public key (SVD)
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The signatory will have to present his PIN (VAD) before being allowed to create signature.
2.5 LOGICAL PHASES
All along its life cycle, the TOE is under several logical phases as shown in Table 2.
Two life cycles have to be considered here: The JavaCard life cycle and the applet life cycle
These phases are stored under a logical controlled sequence. The change from one phase to the next is under
the TOE control.
2.5.1 JavaCard states
•
OP-READY.
The state OP_READY indicates that the runtime environment shall be available and the Issuer Security
Domain, acting as the selected Application, shall be ready to receive, execute and respond to APDU
commands
The following functionality shall be present when the card is in the state OP_READY:
The runtime environment shall be ready for execution,
The Issuer Security Domain shall be the Default Selected Application,
Executable Load Files that were included in Immutable Persistent Memory shall be registered in the
GlobalPlatform Registry,
An initial key shall be available within the Issuer Security Domain.
The installation, from Executable Load Files, of any Application may occur.
•
INITIALIZED
The state INITIALIZED is an administrative card production state. The state transition from
OP_READY to INITIALIZED is irreversible. This state may be used to indicate that some initial data
has been populated (e.g. Issuer Security Domain keys and/or data) but that the card is not yet ready to be
issued to the Cardholder.
The card shall be capable of Card Content changes.
•
SECURED
The state SECURED is the intended operating card Life Cycle State during issuance. It should be notice
that the TOE is closed (loading and deleting applet are not possible) during the state SECURED. The
state transition from INITIALIZED to SECURED is irreversible.
The SECURED state is used to indicate to off-card entities that the Issuer Security Domain contains all
necessary keys and security elements for full functionality.
2.5.2 Applet states
•
•
INSTALLED
The state INSTALLED means that the Application executable code has been properly linked and that
any necessary memory allocation has taken place. The Application becomes an entry in the
GlobalPlatform Registry and this entry is accessible to authenticated off-card entities. The Application
is not yet selectable. The installation process is not intended to incorporate personalization of the
Application, which may occur as a separate step.
The applet is installed after the JavaCard is set at least to OP-READY state.
SELECTABLE
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The state SELECTABLE means that the Application is able to receive commands from off-card entities.
The state transition from INSTALLED to SELECTABLE is irreversible. The Application shall be
properly installed and functional before it may be set to the state SELECTABLE. The transition to
SELECTABLE may be combined with the Application installation process.
2.5.3 Card personalization
During this phase, the Card manager is fully operational. This phase is used to load additional
personalization data.
2.5.4 Usage
2.5.4.1 JavaCard logical states
During usage phase the JavaCard can be set to the following states
• LOCKED
The Card Life Cycle state LOCKED is present to provide the Card Issuer with the capability to disable
Security Domain and Applications functionality. The Card Life Cycle state transition from SECURED
to LOCKED is reversible.
Setting the card to this state means that the card shall no longer function except via the Issuer Security
Domain.
Either the Card manager, or an off-card entity authenticated by the Issuer Security Domain may initiate
the transition from the state SECURED to the state LOCKED.
•
TERMINATED
The state TERMINATED signals the end of the card Life Cycle and the card. The state transition from
any other state to TERMINATED is irreversible. When in the state TERMINATED, all APDU
commands shall be routed to the Issuer Security Domain and the Issuer Security Domain shall only
respond to the GET DATA command.
Either the Card manager, or an off-card entity authenticated by the Issuer Security Domain may initiate
the transition to the state TERMINATED.
2.5.4.2 Applet logical states
Applets are assigned Selectable, and Locked life cycle states as follows:
• SELECTABLE
The state SELECTABLE means that the application is able to receive commands from off-card entities. The
state transition from INSTALLED to SELECTABLE is irreversible. The application should be properly
installed and functional before it may be set to the state SELECTABLE. The transition to SELECTABLE
may be combined with the application installation process.
• LOCKED
The state LOCKED is used as a security management control for the GlobalPlatform Runtime Environment
or the off-card entity authenticated by the ISD to prevent the selection, and therefore the execution, of the
application. If an application is in its LOCK state, only the ISD is allowed to unlock it, and the OPEN is in
the role to ensure the Application Life Cycle returns to its previous state
2.6 TOE INTENDED USAGE
The TOE is dedicated to generate digital signature using a Mobile.
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3. TOE SECURITY ENVIRONMENT
This section describes the security aspects of the TOE environment and addresses the description of the
assets to be protected, the threats, the organizational security policies and the assumptions.
3.1 ASSETS
3.1.1 Digital Signature assets
D.SCD
D.SVD
D.DTBS
D.VAD
D.RAD
D.SIGN_APPLI
D.SIGNATURE
SCD : private key used to perform an electronic
operation(confidentiality of the SCD must be maintained).
signature
SVD: public key linked to the SCD and used to perform an electronic
signature verification (integrity of the SVD when it is exported must be
maintained).
DTBS and DTBS-representation: set of data or its representation which is
intended to be signed (their integrity must be maintained)
VAD: PIN code data entered by the End User to perform a signature
operation (authenticity of the VAD as needed by the authentication method
employed)
RAD: Reference PIN code authentication reference used to identify and
authenticate the End User (Integrity and confidentiality of RAD must be
maintained)
Signature-creation function of the SSCD using the SCD: (The quality of the
function must be maintained so that it can participate to the legal validity of
electronic signatures)
Electronic signature : (unforgeability of electronic signatures must be
assured).
According [CC-COMP] document the assets defined in [IC-ST] are also assets of the TOE defined in this
Security Target.
3.2 SUBJECTS
3.2.1 Digital signature subjects
S.User
S.Admin
S.Signatory
S.OFFCARD
End user of the TOE which can be identified as S.Admin or S.Signatory.
User who is in charge to perform the TOE initialization, TOE personalization
or other TOE administrative functions.
User who holds the TOE and uses it on his own behalf or on behalf of the
natural or legal person or entity he represents.
Attacker. A human or process acting on his behalf being located outside the
TOE.The main goal of the S.OFFCARD attacker is to access Application
sensitive information. The attacker has a high level potential attack and
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knows no secret.
3.3 THREATS
3.3.1 Digital Signature threats
T.Hack_Phys
T.SCD_Divulg
T.SCD_Derive
T.Sig_Forgery
T.Sig_Repud
T.SVD_Forgery
T.DTBS_Forgery
T.SigF_Misuse
Physical attacks through the TOE interfaces.
An attacker S.OFFCARD interacts with the TOE interfaces to exploit
vulnerabilities to gain fraudulent access to the Assets.
Storing, copying, and releasing of signature-creation D.SCD.
An attacker S.OFFCARD can store, copy the SCDD.SCD outside the TOE.
An attacker S.OFFCARD can release the SCD D.SCD during generation,
storage and use for signature-creation in the TOE.
Derive the signature-creation data D.SCD.
An attacker S.OFFCARD derives the SCD D.SCD from public known data,
such as SVD corresponding to the SCD or signatures created by means of the
SCD or any other data communicated outside the TOE, which is a threat
against the secrecy of the SCD.
Forgery of electronic signature D.SIGNATURE.
An attacker S.OFFCARD forges the signed data object maybe together with
its electronic signature created by the TOE and the violation of the integrity
of the signed data object is not detectable by the signatory or by third parties.
The signature generated by the TOE is subject to deliberate attacks by experts
possessing a high attack potential with advanced knowledge of security
principles and concepts employed by the TOE.
Repudiation of signatures D.SIGNATURE.
If an attacker S.OFFCARD can successfully threaten any of the assets, then
the non repudiation of the electronic signature is compromised.
The signatory is able to deny having signed data using the SCD in the TOE
under his control even if the signature is successfully verified with the SVD
contained in his un-revoked certificate.
Forgery of the signature- verification data D.SVD.
An attacker S.OFFCARD forges the SVD D.SVD presented by the TOE.
This result in loss of SVD integrity in the certificate of the signatory.
Forgery of the DTBS-representation D.DTBS.
An attacker S.OFFCARD modifies the DTBS-representation D.DTBS. sent
by the SCA. Thus the DTBS-representation used by the TOE for signing does
not match the DTBS the signatory intends to sign.
Misuse of the Signature-Creation function of the TOE D.SIGN_APPLI .
An attacker S.OFFCARD misuses the signature-creation function of the TOE
to create SDO for data the signatory has not decided to sign. The TOE is
subject to deliberate attacks by experts possessing a high attack potential with
advanced knowledge of security principles and concepts employed by the
TOE.
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3.4 ASSUMPTIONS
This section defines assumptions related to the Digital Signature application as stated in PP SSCD and as
stated in [BSI-PP] for composite evaluation.
3.4.1 Digital Signature assumptions
A.CGA
A.SCA
Trustworthy certification-generation application
The CGA protects the authenticity of the signatory’s name and the SVD in
the qualified certificate by an advanced signature of the CSP.
Trustworthy signature-creation application
The signatory uses only a trustworthy SCA. The SCA generates and sends the
DTBS-representation of data the signatory wishes to sign in a form
appropriate for signing by the TOE.
3.5 ORGANIZATIONAL SECURITY POLICIES
This section defines OSPs related to the Digital Signature application as stated in PP SSCD3.
Qualified certificate.
The CSP uses a trustworthy CGA to generate the qualified certificate for the
SVD generated by the SSCD. The qualified certificates contains at least the
elements defined in Annex I of the Directive [DIRECTIVE], i.e., inter alia the
P.CSP_Qcert
name of the signatory and the SVD matching the SCD implemented in the
TOE under sole control of the signatory. The CSP ensures that the use of the
TOE is evident with signatures through the certificate or other publicly
available information.
Qualified electronic signatures.
The signatory uses a signature-creation system to sign data with qualified
electronic signatures.
P.Qsign
The DTBS are presented to the signatory by the SCA. The qualified
electronic signature is based on a qualified certificate and is created by a
SSCD.
TOE as secure signature-creation device.
The TOE stores the SCD used for signature creation under sole control of the
P.Sigy_SSCD
signatory . The SCD used for signature generation can practically occur only
once.
The Smartcard Embedded Software developers follows the IC guidance
P.IC_Usage
documents given by the IC manufacturer .
All employees follows the security requirements for the materials and
P.Gemalto_Security
documentations given by the IC manufacturer .
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4. TOE SECURITY OBJECTIVES
4.1 SECURITY OBJECTIVES FOR THE TOE
OT.EMSEC_Design
OT.Lifecycle_Security
(option b)
OT.SCD_Secrecy
OT.SCD_SVD_Corresp
OT.SVD_Auth_TOE
OT.Tamper_ID
OT.Tamper_Resistance
OT.Init
OT.SCD_Unique
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Provide physical emanations security
Design and build the TOE in such a way as to control the production of
intelligible emanations within specified limits.
Lifecycle security.
The TOE shall detect flaws during the initialization, personalization and
operational usage. The TOE shall provide safe destruction techniques for
the SCD in case of re-generation
Secrecy of the signature-creation data.
The secrecy of the SCD (used for signature generation) is reasonably
assured against attacks with a high attack potential .
Refinement:
The TOE shall ensure that the confidentiality of its temporally stored or
persistently stored secrets is reasonably assured against attacks with a high
attack level:
• D.VAD: temporally stored data, used for signatory authentication.
• D.RAD: persistently stored data, used for signatory authentication.
• D.SCD: imported or generated and persistently stored data, used for
signature generation.
Correspondence between SVD and SCD.
The TOE shall ensure the correspondence between the SVD and the SCD.
The TOE shall verify on demand the correspondence between the SCD
stored in the TOE and the SVD if it has been sent to the TOE.
TOE ensures authenticity of SVD.
The TOE provides means to enable the CGA to verify the authenticity
SVD that has been exported by that TOE.
Tamper detection.
The TOE shall provide system features that detect physical tampering of a
system component, and use those features to limit security breaches.
Tamper resistance.
The TOE shall prevent or resist physical tampering with specified system
devices and components.
Secure SCD SVD generation.
The TOE provides security features to ensure that the generation of the
SCD and the SVD is invoked by authorized users only.
Uniqueness of the signature-creation data
The TOE shall ensure the cryptographic quality of the SCD/ SVD pair for
the qualified electronic signature. The SCD used for signature generation
can practically occur only once and cannot be reconstructed from the SVD.
In that context ‘practically occur once’ means that the probability of equal
SCDs is negligible low.
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Verification of the DTBS-representation integrity
The TOE shall verify that the DTBS-representation received from the SCA
has not been altered in transit between the SCA and the TOE. The TOE
OT.DTBS_Integrity_TOE
itself shall ensure that the DTBS-representation is not altered by the TOE
as well. Note, that this does not conflict with the signature-creation process
where the DTBS itself could be hashed by the TOE.
Signature generation function for the legitimate signatory only.
The TOE provides the signature generation function for the legitimate
OT.Sigy_SigF
signatory only and protects SCD against the use of others. The TOE shall
resist attacks with high attack potential.
Cryptographic security of the electronic signature
The TOE generates electronic signatures that cannot be forged without
knowledge of the SCD through robust encryption techniques. The SCD
OT.Sig_Secure
cannot be reconstructed using the electronic signatures. The electronic
signatures shall be resistant against these attacks, even when executed with
a high attack potential.
4.2 SECURITY OBJECTIVES FOR THE ENVIRONMENT
OE.CGA_Qcert
OE.SVD_Auth_CGA
Generation of qualified certificates.
The CGA generates qualified certificates which include inter alia
(a) The name of the signatory controlling the TOE,
(b) The SVD matching the SCD implemented in the TOE under sole
control of the signatory,
(c) the advanced signature of the CSP.
CGA verifies authenticity of the SVD
THE CGA VERIFIES THAT THE SSCD IS THE SENDER OF THE RECEIVED
SVD AND THE INTEGRITY OF THE RECEIVED SVD. THE CGA VERIFIES
THE CORRESPONDENCE BETWEEN THE SCD IN THE SSCD OF THE
SIGNATORY AND THE SVD IN THE QUALIFIED CERTIFICATE.
Protection of the VAD
If an external device provides the human interface for user authentication,
this device shall ensure confidentiality and integrity of the VAD as needed
by the authentication method employed.
Data intended to be signed.
OE.SCA_Data_Intend
The SCA:
(a) generates the DTBS-representation of the data that has been presented
as DTBS and which the signatory intends to sign in a form which is
appropriate for signing by the TOE,
(b) sends the DTBS-representation to the TOE and shall enable verification
of the integrity of the DTBS-representation by the TOE
(c) attaches the signature produced by the TOE to the data or shall provide
it separately.
OE.IC_Usage_and_Prote The user guidance of the hardware (data-sheet, ….) are followed by the
software developer. Gemalto people shall follows Security measures to
ction
ensure the confidentiality and the Integrity of the IC after delivery by the IC
manufacturer until the IC is given to the End User.
OE.HI_VAD
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5. IT SECURITY REQUIREMENTS
Security functional requirements components given in section 5.1 “TOE security functional requirements”
excepting FPT_EMSEC.1 which is explicitly stated in [PP SSCD3], are drawn from [CCPART2].
FPT_TST.1.3 is concerning the integrity verification of the ESIGN applet code during the load of the
applet.
The minimum strength level for the TOE security functions is SOF-high.
5.1
SECURITY FUNCTIONAL REQUIREMENTS
5.1.1 security functional requirements list
Identification
FCS
FDP
FIA
FMT
FPT
DESCRIPTION
Cryptographic support
FCS_CKM.1 Cryptographic key generation
(option b)
FCS_CKM.4 Cryptographic key destruction
FCS_COP.1 Cryptographic operation
User data protection
FDP_ACC.1 Complete access control
FDP_ACF.1 Security attribute based access control
FDP_ETC.1 Export of user data without security attributes
FDP_ITC.1 Import of user data without security attributes
FDP_RIP.1 Subset residual information protection
FDP_SDI.2 Stored data integrity monitoring and action
FDP_UIT.1 Data exchange integrity
Identification and authentication
FIA_AFL.1 Authentication failure handling
FIA_ATD.1 User attribute definition
FIA_UAU.1 Timing of authentication
FIA_UID.1 Timing of identification
Security management
FMT_MOF. Management of security functions behavior
FMT_MSA.1 Management of security attributes
FMT_MSA.2 Secure security attributes
FMT_MSA.3 Static attribute initialization
FMT_MTD.1 Management of TSF data
FMT_SMR.1 Security roles
FMT_SMF.1 Specification of management functions
Protection of the TSF
FPT_AMT.1 Abstract machine testing
FPT_EMSEC.1 (1) TOE Emanation
FPT_FLS.1 Failure with preservation of secure state
FPT_PHP.1 Passive detection of physical attack
FPT_PHP.3 Resistance to physical attack
FPT_TST.1 TSF testing
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FTP
Trusted path/channels
FTP_ITC.1 Inter-TSF trusted channel
Table 3 – Digital signature Security Functional Requirements list
(1)
This requirement is [CCPART2] extend.
5.1.2 FCS – Cryptographic support
5.1.2.1 FCS_CKM.1 Cryptographic key generation
FCS_CKM.1.1 /RSA
FCS_CKM.1.1/DES
The TSF shall generate cryptographic keys in accordance with a
specified cryptographic key generation algorithm and specified
cryptographic key sizes that meet the following: List of approved
algorithms and parameters.
Algorithm
Key size
Standard
RSA
with
CRT
key 1024
[JC2.2.1]
generation
The TSF shall generate cryptographic keys in accordance with a
specified cryptographic key generation algorithm DES or 3-DES and
specified cryptographic key sizes of single (64 bits) and double (128
bits) or triple length (192 bits) that meet the following standards:
[GP2.1.1]
5.1.2.2 FCS_CKM.4
FCS_CKM.4.1
The TSF shall destroy cryptographic keys in case of regeneration of
new SCD accordance with a specified cryptographic key destruction
method: clear and overwrite the key that meets the following: none
Application notes:
The cryptographic key SCD will be destroyed on demand of the Signatory or Administrator. The destruction
of the SCD is mandatory before the SCD/SVD pair is re-generated by the TOE.
5.1.3.2 FCS_COP.1
FCS_COP.1.1/
CORRESP
FCS_COP.1.1/
SIGNING
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The TSF shall perform SCD/SVD correspondence verification in
accordance with a specified cryptographic algorithm RSA and
cryptographic key sizes 1024 bit that meet the following: List of
approved algorithms and parameters.
[JC2.2.1].
The TSF shall perform digital signature generation in accordance with
a specified cryptographic algorithm RSA and cryptographic key sizes
1024 bit that meet the following: List of approved algorithms and
parameters
[JC2.2.1].
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FCS_COP.1.1/DES
The TSF shall perform encryption and decryption operations in
with a specified cryptographic algorithm Data Encryption Standards
(DES) and cryptographic key sizes of 64 bits (DES) and 128 bits, 192
bits (Triple-DES) that meet the following standards: Java Card API
2.1.1
5.1.3 FDP – User data protection
5.1.3.1 FDP_ACC.1
FDP_ACC.1.1/
SVD Transfer SFP
The TSF shall enforce the SVD Transfer SFP on export of SVD by
User
FDP_ACC.1.1/
Initialization SFP
The TSF shall enforce the Initialization SFP on Generation of SCD/
SVD pair by User
FDP_ACC.1.1/
Personalization SFP
The TSF shall enforce the Personalization SFP on Creation of RAD
by Administrator
FDP_ACC.1.1/
Signature-creation SFP
The TSF shall enforce the Signature-creation SFP on:
1. Sending of DTBS-representation by the SCA
2. Signing of DTBS-representation by S.Signatory
5.1.3.2 FDP_ACF.1
The security attributes for the subjects, Digital Signature components and related status are:
User, subject or object the Attribute
attribute is associated with
General attribute
User
Role
Initialization attribute group
User
SCD / SVD management
Signature-creation attribute group
SCD
SCD operational
DTBS
Sent by an authorized SCA
Status
Administrator, Signatory
Authorized, not authorized
No, yes
No, yes
Initialization SFP (option b)
FDP_ACF.1.1 /
Initialization SFP
FDP_ACF.1.2 /
Initialization SFP
Copyright Gemalto SA - 2008
The TSF shall enforce the initialization SFP to objects based on
General attribute and Initialization attribute.
The TSF shall enforce the following rules to determine if an
operation among controlled subjects and controlled objects is
allowed:
The user with the security attribute “role” set to “Administrator” or
set to “Signatory” and with the security attribute “SCD / SVD
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management” set to “ authorised” is allowed to generate SCD/SVD
pair.
FDP_ACF.1.3/
Initialization SFP
FDP_ACF.1.4/
Initialization SFP
The TSF shall explicitly authorize access of subjects to objects based
on the following additional rules: none.
The TSF shall explicitly deny access of subjects to objects based on
the rule:
The user with the security attribute “role” set to “Administrator” or
set to “Signatory” and with the security attribute “SCD / SVD
management” set to “not authorised” is not allowed to generate
SCD/SVD pair.
Note: For this TOE, SCD/SVD pair is generated by S.Signatory.
SVD Transfer SFP
FDP_ACF.1.1 /
SVD Transfer SFP
FDP_ACF.1.2 /
SVD Transfer SFP
FDP_ACF.1.3/
SVD Transfer SFP
FDP_ACF.1.4/
SVD Transfer SFP
The TSF shall enforce the SVD Transfer SFP to objects based on
General attribute.
The TSF shall enforce the following rules to determine if an
operation among controlled subjects and controlled objects is
allowed:
The user with security attribute “role” set to “Administrator” or to
“Signatory” is allowed to export SVD.
The TSF shall explicitly authorize access of subjects to objects based
on the following additional rules: none.
The TSF shall explicitly deny access of subjects to objects based on
the rule: none.
Personalization SFP
FDP_ACF.1.1 /
Personalization SFP
FDP_ACF.1.2 /
Personalization SFP
FDP_ACF.1.3/
Personalization SFP
FDP_ACF.1.4/
Personalization SFP
The TSF shall enforce the Personalization SFP to objects based on
General attribute.
The TSF shall enforce the following rules to determine if an
operation among controlled subjects and controlled objects is
allowed:
The user with the security attribute “role” set to “Administrator” is
allowed to create the RAD.
The TSF shall explicitly authorize access of subjects to objects based
on the following additional rules: none.
The TSF shall explicitly deny access of subjects to objects based on
the rule: none.
Signature-creation SFP
FDP_ACF.1.1 /
Signature-creation SFP
Copyright Gemalto SA - 2008
The TSF shall enforce the Signature-creation SFP to objects based on
General attribute and Signature-creation attribute group.
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FDP_ACF.1.2 /
Signature-creation SFP
FDP_ACF.1.3/
Signature-creation SFP
FDP_ACF.1.4/
Signature-creation SFP
The TSF shall enforce the following rules to determine if an
operation among controlled subjects and controlled objects is
allowed:
User with the security attribute “role” set to “Signatory” is allowed to
create electronic signatures for DTBS sent by an authorized SCA
with SCD by the Signatory which security attribute “SCD
operational” is set to “yes”.
The TSF shall explicitly authorize access of subjects to objects based
on the following additional rules: none.
The TSF shall explicitly deny access of subjects to objects based on
the rule:
(a) User with the security attribute “role” set to “Signatory” is not
allowed to create electronic signatures for DTBS which is not sent by
an authorized SCA with SCD by the Signatory which security
attribute “SCD operational” is set to “yes”.
(b) User with the security attribute “role” set to “Signatory” is not
allowed to create electronic signatures for DTBS sent by an
authorized SCA with SCD by the Signatory which security attribute
“SCD operational” is set to “no”.
5.1.3.3 FDP_ETC.1
FDP_ETC.1.1/SVD Transfer
FDP_ETC.1.2/SVD Transfer
The TSF shall enforce the SVD Transfer SFP when exporting user
data, controlled under the SFP(s), outside of the TSC.
The TSF shall export the user data without the user data’s associated
security attributes.
5.1.3.4 FDP_ITC.1
FDP_ITC.1.1/DTBS
FDP_ITC.1.2/DTBS
FDP_ITC.1.3/DTBS
The TSF shall enforce the Signature-creation SFP when importing
user data, controlled under the SFP, from outside of the TSC.
The TSF shall ignore any security attributes associated with the user
data when imported from outside the TSC.
The TSF shall enforce the following rules when importing user data
controlled under the SFP from outside the TSC:
DTBS-representation shall be sent by an authorized SCA.
Application Note:
A SCA is authorised to send the DTBS-representation if it is actually used by the Signatory to create an
electronic signature and able to establish a trusted channel to the SSCD as required by FTP_ITC.1.3/SCA
DTBS.
5.1.3.5 FDP_RIP.1
FDP_RIP.1.1
Copyright Gemalto SA - 2008
The TSF shall ensure that any previous information content of a
resource is made unavailable upon the de-allocation of resource from
the following objects: SCD,VAD,RAD
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5.1.3.6 FDP_SDI.2
The following data persistently stored by TOE have the user attribute “integrity checked persistent stored
data”:
1. D.SCD
2. D.RAD
3. D.SVD
FDP_SDI.2.1/
Persistent
FDP_SDI.2.2/
Persistent
The TSF shall monitor user data stored within the TSC for integrity
errors on all objects, based on the following attributes: integrity
checked persistent stored data.
Upon detection of a data integrity error, the TSF shall:
1. Prohibit the use of the altered data
2. Card is muted or terminated
The DTBS-representation temporarily stored by TOE have the user data attribute “integrity checked stored
data”:
FDP_SDI.2.1/DTBS
FDP_SDI.2.2/DTBS
The TSF shall monitor user data stored within the TSC for integrity
errors on all objects, based on the following attributes: integrity
checked stored data.
Upon detection of a data integrity error, the TSF shall:
1. Prohibit the use of the altered data
2. Inform the S.Administrator about integrity error.
Application Note:
The integrity of D.DTBS is checked at the reception by the TOE before the signature operation. This SFR
support the FDP_ITC.1.1/DTBS which ensures that DTBS is sent by authorized SCA. The administrator is
informed if the Proof of Receipt is requested when the SMS is sent.
5.1.3.7 FDP_UIT.1
FDP_UIT.1.1/
SVD Transfer
FDP_UIT.1.2/
SVD Transfer
FDP_UIT.1.1/
TOE DTBS
FDP_UIT.1.2/
TOE DTBS
Copyright Gemalto SA - 2008
The TSF shall enforce the SVD Transfer SFP to be able to transmit
user data in a manner protected from modification and insertion
errors.
The TSF shall be able to determine on receipt of user data, whether
modification and insertion has occurred.
The TSF shall enforce the Signature creation SFP to be able to
receive user data DTBS-representation in a manner protected from
modification, deletion and insertion errors.
The TSF shall be able to determine on receipt of user data, whether
modification, deletion and insertion has occurred.
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5.1.4 FIA – Identification and Authentication
5.1.4.1 FIA_AFL.1
FIA_AFL.1.1
FIA_AFL.1.2
The TSF shall detect when 3 unsuccessful authentication attempts
occur related to consecutive failed authentication attempts using
RAD.
When the defined number of unsuccessful authentication attempts
has been met or surpassed, the TSF shall block RAD.
5.1.4.2 FIA_ATD.1
FIA_ATD.1.1
The TSF shall maintain the following list of security attributes
belonging to individual users: RAD.
5.1.4.3 FIA_UAU.1
FIA_UAU.1.1
FIA_UAU.1.2
The TSF shall allow[
1. Identification of the user by means of TSF required FIA_UID.1
2. Establishing path between local user and the TOE
3. Establishing a trusted channel between the SCA and the TOE by
means of TSF required by FTP_ITC.1/DTBS_import ]
on behalf of the user to be performed before the user is authenticated.
The TSF shall require each user to be successfully authenticated
before allowing any other TSF-mediated actions on behalf of that
user.
Application Note:
“Local user” mentioned in component FIA_UAU.1.1 is the user using the path provided between the SGA in
the TOE environment and the TOE
5.1.4.4 FIA_UID.1
FIA_UID.1.1
FIA_UID.1.2
The TSF shall allow[
1. Establishing a path between local user and the TOE
2. Establishing a trusted channel between the SCA and the TOE by
means of TSF required by FTP_ITC.1/DTBS_import]
on behalf of the user to be performed before the user is identified.
The TSF shall require each user to be successfully identified before
allowing any other TSF-mediated actions on behalf of that user.
5.1.5 FMT – Security management
5.1.5.1 FMT_MOF.1
FMT_MOF.1.1
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creation function to Signatory.
5.1.5.2 FMT_MSA.1
FMT_MSA.1.1 /
Administrator
The TSF shall enforce the Initialization SFP to restrict the ability to
modify [no other operation] the security attributes SCD/SVD
Management to Administrator
.
FMT_MSA.1.1 /
Signatory
The TSF shall enforce the Signature-creation SFP to restrict the
ability to modify the security attributes SCD operational to Signatory.
5.1.5.3 FMT_MSA.2
FMT_MSA.2.1
The TSF shall ensure that only secure values are accepted for security
attributes.
5.1.5.4 FMT_MSA.3
FMT_MSA.3.1
FMT_MSA.3.2
The TSF shall enforce Initialization SFP and Signature-creation SFP
to provide restrictive default values for security attributes that are
used to enforce the SFP.
Refinement : The security attribute of the “SCD operational” is set to
“no” after generation of SCD
The TSF shall allow the Administrator to specify alternative initial
values to override the default values when an object or information is
created.
5.1.5.5 FMT_MTD.1
FMT_MTD.1.1/
The TSF shall restrict the ability to modify [no other operation] the
RAD to Signatory.
5.1.5.6 FMT_SMR.1
FMT_SMR.1.1
FMT_SMR.1.2
The TSF shall maintain the roles Administrator and Signatory.
The TSF shall be able to associate users with roles.
5.1.5.7 FMT_SMF.1
FMT_SMF.1.1
Copyright Gemalto SA - 2008
The TSF shall be capable of performing the following security
management functions:
• Enable Signature creation function (FMT_MOF.1),
• Restrict ability to modify security attributes and TSF
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data
(FMT_MSA.1.1 /Administrator
FMT_MSA.1.1 / Signatory
FMT_MTD1.1).
5.1.6 FPT – Protection of the TSF
5.1.6.1 FPT_AMT.1
FPT_AMT.1.1
The TSF shall run a suite of tests during initial start-up, to
demonstrate the correct operation of the security assumptions
provided by the abstract machine that underlies the TSF.
5.1.6.2 FPT_EMSEC.1.1
FPT_EMSEC.1.1
The TOE shall not emit electromagnetic radiation in excess of
unintelligible emission enabling access to RAD and SCD.
5.1.6.3 FPT_EMSEC.1.2
FPT_EMSEC.1.2
The TOE shall ensure attacker S.OFFCARD are unable to use the
following interface I/O, VCC, Ground to gain access to RAD and
SCD
Application note:
The TOE shall prevent attacks against the SCD and other secret data where the attack is based on external
observable physical phenomena of the TOE. Such attacks may be observable at the interfaces of the TOE or
may origin from internal operation of the TOE or may origin by an attacker that varies the physical
environment under which the TOE operates. The set of measurable physical phenomena is influenced by the
technology employed to implement the TOE. Examples of measurable phenomena are variations in the
power consumption, the timing of transitions of internal states, electromagnetic radiation due to internal
operation, radio emission. Due to the heterogeneous nature of the technologies that may cause such
emanations, evaluation against state-of-the-art attacks applicable to the technologies employed by the TOE
is assumed. Examples of such attacks are, but are not limited to, evaluation of TOE’s electromagnetic
radiation, simple power analysis (SPA), differential power analysis (DPA), timing attacks, etc.
5.1.6.4 FPT_FLS.1
FPT_FLS.1.1
The TSF shall preserve a secure state when the following types of
failures occur:
• Unexpected abortion of the execution of the TSF due to
external events
• Unexpected errors during execution of the TSF
5.1.6.5 FPT_PHP.1
FPT_PHP.1.1
FPT_PHP.1.2
Copyright Gemalto SA - 2008
The TSF shall provide unambiguous detection of physical tampering
that might compromise the TSF.
The TSF shall provide the capability to determine whether physical
tampering with the TSF’s devices or TSF’s elements has occurred.
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5.1.6.6 FPT_PHP.3
The TSF shall resist the following physical tampering scenarios to
the following TSF devices/elements by responding automatically
such that the TSP is not violated.
FPT_PHP.3.1
Devices/Elements
Active shield
Clock
Voltage supply
Physical tampering scenarios
Attack over the surface
Reduction/increase of frequency
Voltage out of range
5.1.6.7 FPT_TST.1
FPT_TST.1.1
FPT_TST.1.2
FPT_TST.1.3
The TSF shall run a suite of self-tests during initial startup to
demonstrate the correct operation of part of TSF.
The TSF shall provide authorized users with the capability to verify
the integrity of part of TSF data.
The TSF shall provide authorized users with the capability to verify
the integrity of stored TSF executable code.
Refinement : The integrity of the applet E-SIGN is ensured during
the load operation by the usage of secure messaging .
Application note:
The tests covered by FPT_TST.1 are the following:
- Test of random numbers
- Test of Card life Cycle consistency
- Test of filter Table consistency
- Test of Table of Registry Integrity
- Test of Cryptoalgo entry table integrity
The test covered by FPT_TST.1.3 is the verification of E_SIGN applet code integrity during the loading of
the applet during the personalization phase.
5.1.6.8 FPT_SEP.1 TSF Domain separation
FPT_SEP.1.1
FPT_SEP.1.2
The TSF shall maintain a security domain for its own execution that
protects it from interference and tampering by untrusted subjects.
The TSF shall enforce separation between the security domains of
subjects in the TSC.
5.1.7 FTP – Trusted path/channels
5.1.7.1 FTP_ITC.1
FTP_ITC.1.1 / SVD Transfer
Copyright Gemalto SA - 2008
The TSF shall provide a communication channel between itself and a
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FTP_ITC.1.2 / SVD Transfer
FTP_ITC.1.3 / SVD Transfer
FTP_ITC.1.1 / DTBS Import
FTP_ITC.1.2 / DTBS Import
FTP_ITC.1.3 / DTBS Import
remote trusted IT product CGA that is logically distinct from other
communication channels and provides assured identification of its
end points and protection of the channel data from modification or
disclosure.
Refinement : Only identification of its end points and protection
from modification is ensured for public key transfer .
The TSF shall permit the TSF to initiate communication via the
trusted channel.
The TSF or the CGA shall initiate communication via the trusted
channel for export SVD
The TSF shall provide a communication channel between itself and a
remote trusted IT product that is logically distinct from other
communication channels and provides assured identification of its
end points and protection of the channel data from modification or
disclosure.
The TSF shall permit SCA to initiate communication via the trusted
channel.
The TSF or the SCA shall initiate communication via the trusted
channel for signing D.DTBS-representation.
5.2 TOE SECURITY ASSURANCE REQUIREMENTS
The TOE security assurance requirements define the assurance requirements for the TOE using only
assurance components drawn from [CCPART3].
The assurance level is EAL4 augmented on:
• AVA_MSU.3 (Misuse - Analysis and testing for insecure states)
• And AVA_VLA.4 (Vulnerability Analysis - Highly resistant).
5.2.1 TOE security assurance requirements list
All requirements below are those from [PP SSCD3].
Identification
ACM
ACM_AUT.1
ACM_CAP.4
ACM_SCP.2
ADO
ADO_DEL.2
ADO_IGS.1
ADV
ADV_FSP.2
ADV_HLD.2
ADV_IMP.1
ADV_LLD.1
DESCRIPTION
Configuration management
Partial CM automation
Generation support and acceptance procedures
Problem tracking CM coverage
Delivery and Operation
Detection of modification
Installation, generation and start-up procedures
Development
Fully defined external interfaces
Security enforcing high-level design
Subset of the implementation of the TSF
Descriptive low-level design
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AGD
ALC
ATE
AVA
ADV_RCR.1 Informal correspondence demonstration
ADV_SPM.1 Informal TOE security policy model
Guidance documents
AGD_ADM.1 Administrator guidance
AGD_USR.1 User guidance
Life cycle support
ALC_DVS.1 Identification of security measures
ALC_LCD.1 Developer defined life-cycle model
ALC_TAT.1 Well-defined development tools
Tests
ATE_COV.2 Analysis of coverage
ATE_DPT.1 Testing: high –level design
ATE_FUN.1 Functional testing
ATE_IND.2 Independent testing – sample
Vulnerability assessment
AVA_MSU.3 Analysis and testing for insecure states
AVA_SOF.1 Strength of TOE security function evaluation
AVA_VLA.4 Highly resistant
Table 4 – TOE security assurance requirements list
5.3 SECURITY REQUIREMENTS FOR THE IT ENVIRONMENT
5.3.1 Certification Generation application (CGA)
5.3.1.1 FCS_CKM.2
FCS_CKM.2.1 / CGA
The TSF shall distribute cryptographic keys in accordance with a
specified cryptographic key distribution method qualified certificate
that meets the following: List of approved algorithms and parameters
5.3.1.2 FCS_CKM.3
FCS_CKM.3.1 /CGA
The TSF shall perform import the SVD in accordance with a
specified cryptographic key access method import through a secure
channel that meets the following: [assignement: List of Standards]
5.3.1.3 FDP_UIT.1
FDP_UIT.1.1 / SVD Import
FDP_UIT.1.2 / SVD Import
The TSF shall enforce the SVD Import SFP to be able to receive user
data in a manner protected from modification and insertion errors.
The TSF shall be able to determine on receipt of user data, whether
modification and insertion has occurred.
5.3.1.4 FTP_ITC.1
FTP_ITC.1.1 / SVD Import
Copyright Gemalto SA - 2008
The TSF shall provide a communication channel between itself and a
remote trusted IT product that is logically distinct from other
communication channels and provides assured identification of its
end points and protection of the channel data from modification or
disclosure.
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FTP_ITC.1.2 / SVD Import
FTP_ITC.1.3 / SVD Import
The TSF shall permit the remote trusted IT product to initiate
communication via the trusted channel.
The TSF or the TOE shall initiate communication via the trusted
channel for Import SVD
5.3.2 Signature creation application (SCA)
5.3.2.1 FCS_COP.1
FCS_COP.1.1 /
SCA Hash
The TSF shall perform hashing the DTBS in accordance with a
specified cryptographic algorithm [assignment: cryptographic
algoritm] and cryptographic key sizes none that meet the following:
SHA-1.
5.3.2.2 FDP_UIT.1
FDP_UIT.1.1 /
SCA DTBS
FDP_UIT.1.2 /
SCA DTBS
The TSF shall enforce the Signature-creation SFP to be able to
transmit user data in a manner protected from modification, deletion,
and insertion errors.
The TSF shall be able to determine on receipt of user data, whether
modification, deletion, and insertion has occurred.
5.3.2.3 FTP_ITC.1
FTP_ITC.1.1 /
SCA DTBS
FTP_ITC.1.2 /
SCA DTBS
FTP_ITC.1.3 /
SCA DTBS
The TSF shall provide a communication channel between itself and a
remote trusted IT product that is logically distinct from other
communication channels and provides assured identification of its
end points and protection of the channel data from modification or
disclosure.
The TSF shall permit the TSF to initiate communication via the
trusted channel.
The TSF or the TOE shall initiate communication via the trusted
channel for signing D.DTBS-representation by means of the SSCD.
5.3.2.4 FTP_TRP.1
FTP_TRP.1.1 /
SCA
FTP_TRP.1.2 /
SCA
FTP_TRP.1.3 /
SCA
The TSF shall provide a communication path between itself and local
users that is logically distinct from other communication paths and
provides assured identification of its end points and protection of the
communicated data from modification or disclosure.
The TSF shall permit the TSF to initiate communication via the
trusted path.
The TSF shall require the use of the trusted path for initial user
authentication.
5.4 SECURITY REQUIREMENTS FOR THE NON-IT ENVIRONMENT
R.Administrator_Guide
Application of Administrator Guidance
The implementation of the requirements of the Directive, ANNEX II “Requirements for certificationservice-providers issuing qualified certificates”, literal (e), stipulates employees of the CSP or other relevant
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entities to follow the administrator guidance provided for the TOE. Appropriate supervision of the CSP or
other relevant entities shall ensure the ongoing compliance.
R.Sigy_Guide
Application of User Guidance
The SCP implementation of the requirements of the Directive, ANNEX II “Requirements for certificationservice-providers issuing qualified certificates”, literal (k), stipulates the signatory to follow the user
guidance provided for the TOE.
R.Sigy_Name
Signatory’s name in the Qualified Certificate
The CSP shall verify the identity of the person to which a qualified certificate is issued according to the
Directive [1], ANNEX II “Requirements for certification-service-providers issuing qualified certificates”,
literal (d). The CSP shall verify that this person holds the SSCD which implements the SCD corresponding
to the SVD to be included in the qualified certificate.
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6. TOE SUMMARY SPECIFICATION
6.1 TOE SECURITY FUNCTIONS
This part covers the IT security functions and specifies how these functions satisfy the TOE security
functional requirement with:
• The security function supplied by the Integrated Circuit
• The security functions supplied by the JavaCard Software
• The security function supplied by the Digital Signature GemSafe/ID
6.1.1 TOE security functions list
Identification
Name
IC Security functions
SEF1
Operating State checking
SEF2
Phase Management
SEF3
Protection against snooping
SEF4
Data encryption and data distinguish
SEF5
Random number generation
SEF6
TSF self test
SEF7
Notification of physical attack
SEF8
Virtual Memory System
SEF9
Cryptographic support
SEF10
NVM tearing save write
Digital Signature Security Functions
SF_SIG_AUTHENTICATION
Authentication management
SF_SIG_CRYPTO
Cryptography management
SF_SIG_MANAGEMENT
Management of operations & access control
JavaCard Security Functions
SF_CARD_AUTHENTICATION
Card authentication
SF_CARD_CRYPTO
Card cryptographic algorithm & key management
SF_CARD_INTEGRITY
Card objects integrity
SF_CARD_PROTECT
Card operation protection
Table 5 – TOE security functions list
6.1.2 Security functions provided by the IC
The security functions listed here after are described in the IC Security Target [IC Security Target
reference].
6.1.2.1 SEF1- Operating state checking.
Correct function of the SLE88CFX4002P is only given in the specified range of the environmental operating
parameters. To prevent an attack exploiting that circumstances it is necessary to detect if the specified range
is left.
All operating signals are filtered to prevent malfunction. In addition the operating state is monitored with
sensors for the operating voltage, clock signal frequency, temperature and electro magnetic radiation (e.g.
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light). The TOE falls into the defined secure state in case of a specified range violation5. The defined secure
state causes the chip internal reset process.
6.1.2.2 SEF2- Phase management.
The life cycle of the TOE is split-up in several phases. Chip development and production (phase 2, 3, 4) and
final use (phase 4-7) is a rough split-up from TOE point of view. These phases are implemented in the
SLE88CFX4002P/m8834b17as test mode (phase 2, 3, 4) and user mode (phase 1, 4-7). In addition a chip
identification mode exists which is active in all phases.
During the production phase (phase 3) or after the delivery to the customer (phase 5 or phase 6), the TOE
provides the possibility to load a user specific encryption key and user code and data encrypted into the
empty (erased) NVM area as specified by the associated control information of the loader mode of the loader
filter. After finishing the load operation, the loader mode is automatically deactivated, so that no second load
operation with the loader mode is possible.
During the operation of the TOE the PSL provides the possibility to load signed code and data in the NVM
and RAM areas as specified by the associated control information of the patch loader mode of the loader
filter. The public part of the used signing key is stored in the NVM. This function could be deactivated
permanently by the user software.
6.1.2.3 SEF3- Protection against snooping.
Several mechanisms protect the SLE88CFX4002P against snooping the design or the user data during
operation and even if it is out of operation (power down).
There are topological design measures for disguise, such as the use of the top metal layer “active shield”
with active signals for protecting critical data. The entire design is kept in a non standard way to prevent
attacks using standard analysis methods. A smartcard dedicated proprietary CPU with a non public bus
protocol is used which makes analysis complicated.
6.1.2.4 SEF4- Data encryption and data distinguish
The readout of data can be controlled with the use of encryption. An attacker can not use the data he has
espionaged, because he must break the encryption.
The memory contents of the SLE88CFX4002P are encrypted on chip to protect against data analysis on
stored data as well as on internally transmitted data. To prevent interpretation of leaked processed or
transferred information additional randomness is inserted in the information. In addition important parts of
the CPU and the complete DES component are especially designed to counter leakage attacks like DPA or
EMA. A special design method is used to make the current consumption nearly independent of the processed
data. The component RSA are protected against information leakage.
The information leakage is kept low with special design measures. An interpretation of the leaked data is
prevented as all the data is encrypted
6.1.2.5 SEF5- Random number generating.
Random data is essential for cryptography as well as for physical security mechanisms. The
SLE88CFX4002P is equipped with a true random generator based on physical probabilistic effects. The
random data can be used from the user software as well as from the security enforcing functions.
6.1.2.6 SEF6- TSF self test
The TSF of the SLE88CFX4002P has either a hardware controlled self test which can be started from the
user software or can be tested directly from the user software.
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6.1.2.7 SEF7- Notification of physical attack
The entire surface of the SLE88CFX4002P is protected with the active shield. Attacks over the surface are
detected when the shield lines are cut or get contact.
6.1.2.8 SEF8- Virtual Memory System
The VMS in the SLE88CFX4002P controls the address permissions of the privileged packages (memory
areas) 1 and 2 and of the regular packages 3 to 15 and gives the software the possibility to define different
access rights for the regular packages (memory areas) 16 to 255. The address permissions of the privileged
package 0 are controlled by the hardware and the VMS. In case of an access violation the VMS will generate
a trap. Then a trap service routine can react on the access violation.
.
6.1.2.9 SEF9- Cryptographic support
The TOE is equipped with several hardware accelerators and software modules to support the standard
cryptographic operations. This security enforcing function is introduced to include the cryptographic
operation in the scope of the evaluation as the cryptographic function itself is not used from the TOE
security policy. On the other hand these functions are of special interest for the use of the hardware as
platform for the software. The components are a combination of software and hardware unit to support DES
encryption, a combination of software and hardware unit to support RSA cryptography and software units to
support the Advanced Encryption Standard (AES) and the Secure Hash Algorithm (SHA-1)
.
6.1.2.10 SEF10- NVM Tearing save Write
The hardware of the NVM together with the PSL supports the TOE with a function to copy one data block
with a defined maximum number of bytes or/and one or a bunch with a maximum number of data blocks of
any data size to different NVM locations, under the protection of a data security mechanism. The data
security mechanism keeps a backup copy of either the old or the new contents of all addressed NVM pages
before they are overwritten. If the update of the data fails due to an unexpected card tearing, the old or the
new contents of all target areas affected by the transaction is recovered at the next power-up.
SEF1, SEF3, SEF4, SEF5, SEF6, SEF7, SEF8, SEF9, SEF10 are Security functions provided by the IC
contributing directly to the TOE security while SEF2 is contributing indirectly to the TOE security.
The coverage of SFs by the SFRs is given in chapter 8.8.1 table 13.
6.1.3 Security functions provided by the Digital signature application E-SIGN
6.1.3.1 SF_SIG_AUTHENTICATION - Authentication management
This security function manages the authentication mechanisms of the Digital Signature
This Security Function:
- Manages Authentication failure and detect when 3 unsuccessful authentication attempts occur related to
consecutive failed authentication attempts .When the defined number of unsuccessful authentication
attempts has been met or surpassed, the TSF shall block D.RAD.
- Maintains security attributes D.RAD belonging to individual users.
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6.1.3.2 SF_SIG_CRYPTO - Cryptography management
This function manages the cryptographic operations of the Digital signature application.
- Generate cryptographic Signature keys (RSA 1024 bits keys in compliance with [JC2.2.1]
- Destroys the previous Signature cryptographic keys, in case of re-generation .
- Perform Cryptographic operations Signature and verification.
- Performs SCD/SVD correspondence
This function is supported by JavaCard Security Function SF_CARD_CRYPTO .
SF_CARD_CRYPTO provides Cryptographic algorithms RSA, RSA On Board Key generation and Random
Generator.
SF_CARD_CRYPTO ensures that D. SCD information is made unavailable after use.
6.1.3.3 SF_SIG_MANAGEMENT Management of operations and Access control
This SF provides application operation management and access control
Operation management
This SF manages the Digital Signature application during its initialization and operation.
This SF manages the Security Environment of the application and ensures the following:
- Maintains the roles S.Signatory, S.Admin,
- Controls if the authentication is required for a specific operation has been performed with success and
manages restriction to security function access and modification of security attributes.
- only secure values are accepted for security attributes
This SF restricts the ability to enable the function Signature-creation SFP to S.Signatory
This SF will ensure that only S.Admin will be authorized to
- modify Initialization SFP attributes,
- specify alternative default values.
This SF enforces the Initialization SFP and Signature-creation SFP to provide restrictive default values.
Only S.Admin is allowed to specify alternative values.
Access control
This SF ensures that operations on digital signature objects will be executed by authorized roles:
- export of D.SVD by S.User
- Generation of D.SCD/D.SVD pair by S.User with the security attribute “role” set to signatory and the
security attribute “SCD/SVD management” set to authorized.
- Creation of D.RAD by S.Admin and modification by S.Signatory
- Sending of D.DTBS-representation by the SCA
Signing of D.DTBS-representation sent by an authorized SCA by S.Signatory with the security attribute
“SCD operational” set to “yes”.
This SF will provide Access control to Data Objects according access rules related to the objects.
This SF enforces the security policy on export of user data:
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SVD Transfer SFP: The PKCS#10 Certificate is signed using SCD and sent inside a first SMS. Then, the Public
key is sent using a second SMS. SHA-1 Algorithm is used for PKCS#10 algorithm.
6.1.4 Security function provided by the JavaCard
6.1.4.1 SF_CARD_AUTHENTICATION card authentication
This security function support SF_SIG_ AUTHENTICATION by managing Pin management at the
JavaCard level through JavaCard API..
SF_CARD_AUTHENTICATION ensure the de-allocation of D.VAD and D.RAD after usage.
This Security function is also in charge of secure channel management like establishing a trusted channel
between the SCA and the TOE for D.DTBS import. The integrity of SMS containing D.DTBS is checked by
SF_CARD_AUTHENTICATION . In case of integrity error detection, this SF will prohibit the use of the
altered data, and inform S.Administrator . The security verification of SMS sent for triggering the E-SIGN
applet ensures that the SMS is sent by S.Administrator.
This SF enforces the security policy on Import/export of user data:
- SVD Transfer SFP
- Signature-creation SFP: D.DTBS-representation shall be sent by an authorized SCA
This SF uses a permutational mechanism for the Authentication of the users (PIN code).
The strength of the functions is SOF-high.
6.1.4.2 SF_CARD_CRYPTO : Card cryptographic algorithm and keys managements
This security function provides the cryptographic algorithm and functions used by the TSF
• DES algorithm supports 64 bits, 128 bits 192 bits long keys for encryption/decription operations.
• RSA algorithm supports 1024bits to 2048 bits long keys.Concerning E-SIGN application, the key size is
1024 bits for signature and verification operations.
• Random generator is software and uses the certified Hardware True Random Generator.
This security function controls all the operations relative to the card keys management:
• Key generation: The TOE provides the following:
RSA key generation manages 512 to 2048 bits long keys ..
DES key generation manages 64, 128, 192 bits long keys.
• Key destruction: the TOE provides specified cryptographic key destruction methods that makes Key
Unavailable.
The Random generator is needed for the generation Keys, and Authentication challenge.
This function ensures the confidentiality of keys during manipulation and ensures the de-allocation of
memory after use.
This SF is supported by IC security functions SEF5 –Random number generator and SEF9 –Cryptographic
support.
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6.1.4.3 SF_CARD_INTEGRITY : Card objects integrity
This security function provides a mean to check the integrity of data stored in EEPROM: the cryptographic
keys, including Digital Signature persistently stored data D.SCD, D.RAD and D.SVD, and the card life
cycle state.
This SF controls the manipulation of the D.USER_PIN (D.RAD and D.VAD) and will ensure that its value
is unavailable during the data manipulation.
In case of integrity error detection, this SF will prohibit the use of the altered data, and the card will be
Muted or terminated
This SF supports SF_CARD_PROTECT by checking platform data integrity before use an processing.
This SF also provides authorized users with the capability to verify the integrity of stored TSF executable
code during loading of the code on the card.
6.1.4.4 SF_CARD_PROTECT : Card operation protection
This security function ensures the protection of the TSF and supports the following operations.
•
•
Analyze potential violation on : illegal access to Java objects.
Check operating conditions at startup (audit IC sensors)
In case of error detections this functions returns an error or an exception and take appropriate shield action
If during the TSF execution an unexpected error or abortion occurs, a secure state will be preserved by
resetting security attributes to secure values and if necessary recover the persistently stored data to a secure
consistent state.
This security function ensures atomicity of Java objects update in EEPROM:
• The content of the data that are modified within a transaction is copied in the transaction dedicated
EEPROM area.
• Commit operation: closes the transaction, and clears the dedicated transaction area.
• Rollback operation: restores the original values of the objects (modified during the transaction) and
clears the dedicated transaction area.
• The security function ensures that the EEPROM containing sensitive data is in a coherent state whatever
the time when EEPROM programming sequence stops, either during copying, invalidating, restoring
data to or from the backup dedicated EEPROM area or updating sensitive data in EEPROM.
This SF protects the Digital signature application data D.RAD and D.SCD against snooping:
- Ensures that TOE shall not emit electromagnetic radiation in excess of unintelligible emission enabling
access to D.RAD and D.SCD.
- Ensures that the TOE shall ensure attacker S.OFFCARD are unable to use I/O, VCC or Ground interface
to gain access to D.RAD and D.SCD:
This SF ensures separation between applications and associated datas (firewalling mechanism).
This SF is supported by the IC SEF1- Operating state checking (and SEF6 Self test), SEF3-Protection
against snooping, SEF4- Data encryption and data distinguish, SEF7 (Notification of physical attack), SEF8
(Virtual Memory System) and SEF10 (NVM tearing save write).
The coverage of SFs by the SFRs is given in chapter 8.8.1 table 13.
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The Table below shows the dependencies between the SEFs provided by the IC and the SFs provided by the
TOE
SF_CARD_PROTECT
SF_CARD_CRYPTO
Copyright Gemalto SA - 2008
SEF3 Protection against snooping
SEF4- Data encryption and data
distinguish.
SEF6 Self test
SEF8 Virtual Memory System
SEF10 NVM tearing write
SEF9 Cryptographic support
SEF5 Random Number generating
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6.2 ASSURANCE MEASURES
This chapter defines the list of the assurance measures required for the TOE security assurance requirements.
6.2.1 Assurance measures list
Measure
AM_ACM
AM_ADO
AM_ADV
AM_AGD
AM_ALC
AM_ATE
AM_AVA
Name
Configuration management, reference ACM10448
Delivery and Operation, reference ADO10448
Development, reference ADV10448
Guidance documents, reference AGD10448
Life cycle, reference ALC10448
Tests, reference ATE10448
Vulnerability assessment, reference AVA10448
Table 6 – Assurance measures list
6.2.2 AM_ACM: Configuration management
This assurance measure ensures the configuration management. The CM responsible is in charge to write the
CM plan, use the CM system and validate the CM system in order to confirm that ACM_XXX.Y
components are completed.
6.2.3 AM_ADO: Delivery and Operation
This assurance measure ensures the delivery and operation. The delivery responsible is in charge to write
delivery documentation and validate it in order to confirm that the procedure is applied.
6.2.4 AM_ADV: Development
This assurance measure ensures the development. The development responsible is in charge to design the
TOE, write development documentation and validate it in order to confirm that the related security
functional requirements are completed by security functions.
6.2.5 AM_AGD: Guidance documents
This assurance measure ensures the guidance documents. The guidance responsible is in charge to write
administrator and user guidance. The documentation provides the rules to use and administrate the TOE in a
secured manner.
6.2.6 AM_ALC: Life cycle
This assurance measure ensures the life cycle. The life cycle responsible is in charge to confirm that the life
cycle process is applied.
6.2.7 AM_ATE: Tests
This assurance measure ensures the tests. The test responsible is in charge to write tests and execute it in
order to confirm that the security functions are tested.
6.2.8 AM_AVA: Vulnerability assessment
This assurance measure ensures the vulnerability assessment. The security responsible is in charge to
confirm that the security measures are suitable to meet the TOE security objectives conducing a vulnerability
analysis.
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7. PP CLAIMS
7.1 PP REFERENCE
This security target is based on the Protection Profiles “Secure Signature Creation Devices” Type 3 [PP
SSCD3]. Indeed, the trusted path is not provided ME.
The PP “Secure Signature-Creation device Type 3” V1.05 [PP SSCD3] is certified at the German
Certification Body under the number BSI-PP-0006-2002T- 03-04-2002
7.2 PP REFINEMENT
The following functional requirements found in the claimed PPs are refined.
Component
FCS_CKM.1
FCS_CKM.4
FCS_COP.1
FDP_ACC.1
FDP_ACF.1
FDP_ETC.1 identical
FDP_ITC.1
FDP_RIP.1
FDP_SDI.2
FDP_UIT.1 identical
FIA_AFL.1
FIA_ATD.1 identical
FIA_UAU.1 identical
FIA_UID.1 identical
FMT_MOF.1 identical
FMT_MSA.1
FMT_MSA.2 identical
FMT_MSA.3 identical
FMT_MTD.1
FMT_SMR.1 identical
FMT_SMF.1*
FPT_AMT.1
FPT_EMSEC.1
FPT_FLS.1 l
FPT_PHP.1 identical
FPT_PHP.3
FPT_TST.1
FTP_ITC.1
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Iteration Assignment Selection Refinement
TOE
_
X
_
_
X
_
_
X
X
_
x
_
_
_
_
_
_
_
X
_
_
_
_
_
_
_
_
_
_
_
X
_
_
_
X
_
_
_
_
_
X
_
X
_
_
_
_
_
_
_
_
_
_
_
_
_
_
_
_
_
X
_
-
_
_
_
_
_
_
x
_
_
_
X
_
_
_
_
_
X
_
_
X
_
_
X
_
_
_
X
_
_
_
_
_
_
_
X
_
_
_
X
X
x
_
_
X
x
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Component
Iteration Assignment Selection Refinement
IT Environnement CGA
FCS_CKM.2 identical
FCS_CKM.3 identical
FDP_UIT.1 identical
FTP_ITC.1
_
_
_
_
_
_
_
_
_
_
_
_
_
_
X
X
_
_
_
X
_
_
_
_
_
_
_
_
_
_
x
_
IT Environnement SCA
FCS_COP.1 identical
FDP_UIT.1 identical
FTP_ITC.1 identical
FTP_TRP.1
Table 7 – Mapping of the performed operations and the IT security functional requirements
Note: the requirement FTP_TRP/TOE defined in [PP SSCD3] is removed in this Security Target
Note: The integrity of D.DTBS is checked at the reception by the TOE before the signature operation. This
SFR support the FDP_ITC.1.1/DTBS which ensures that DTBS is sent by authorized SCA.
Note: Only identification of its end points and protection from modification is ensured for public key
transfer (FTP_ITC/SVD Transfer.).
7.3 PP ADDITIONS
7.3.1 Assets refinement
Assets have been refined with the following names: D.SCD, D.DTBS, D.VAD, D.RAD, D.SIGN_APPLI,
D.SIGNATURE.
7.3.2 Additional Organizational Security Policy
Following PP SSCD3 OSP has been refined
P.CSP_Qcert.
7.3.3 Additional threats
All threats from PP SSCD3 have been refined with the assets refined names.
7.3.4 Additional security objectives
The following PPSSCD security objective have been refined:
OT.SCD_Secrecy (Secrecy of the SCD) is refined with D.VAD, D.RAD and D.SCD
7.3.5 Additional security functional requirements
Following Security Functional Requirements has been added to the claimed PP:
FCS_CKM.1/DES, FCS_COP.1/DES: Cryptographic operations (for DES operations concerning session
key and SMS deciphering).
FMT_SMF.1: Specification of management functions
The PP was written using CC V2.1. This security target is build using CC V2.3. This SFR was added to
respect FMT_SMF.1 dependency required in CC2.3 for FMT_MOF.1, FMT_MSA.1 and FMT_MTD.1.
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FPT_SEP.1: TSF Domain separartion
This requirement has been added taking account the Java Card maintains a security domain for E-SIGN
applet execution
7.3.6 Additional security assurance requirements
There are no additional security assurance requirements.
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8. GLOSSARY & ABBREVIATIONS
CEN workshop agreement (CWA) is a consensus-based specification, drawn up in an open
workshop environment of the European Committee for Standardization (CEN). This Protection
Profile (PP) represents Annex A to the CWA that has been developed by the European
Electronic Signature Standardization Initiative (EESSI) CEN/ISSS electronic signature
(E-SIGN) workshop, Area F on secure signature-creation devices (SSCD).
Certificate means an electronic attestation which links the SVD to a person and confirms the
identity of that person. (defined in the Directive [1], article 2.9)
Certification generation application (CGA) means a collection of application elements which
requests the SVD from the SSCD for generation of the qualified certificate. The CGA stipulates
the generation of a correspondent SCD / SVD pair by the SSCD, if the requested SVD has not
been generated by the SSCD yet. The CGA verifies the authenticity of the SVD by means of
(a)
the SSCD proof of correspondence between SCD and SVD and
(b)
checking the sender and integrity of the received SVD.
Certification-service-provider (CSP) means an entity or a legal or natural person who issues
certificates or provides other services related to electronic signatures. (defined in the Directive
[1], article 2.11)
Data to be signed (DTBS) means the complete electronic data to be signed (including both user
message and signature attributes).
Data to be signed representation (DTBS-representation) means the data sent by the SCA to the
TOE for signing and is
a hash-value of the DTBS or
an intermediate hash-value of a first part of the DTBS and a remaining part of the DTBS or
the DTBS.
The SCA indicates to the TOE the case of DTBS-representation, unless implicitly indicated. The
hash-value in case (a) or the intermediate hash-value in case (b) is calculated by the SCA. The
final hash-value in case (b) or the hash-value in case (c) is calculated by the TOE.
Qualified certificate means a certificate which meets the requirements laid down in Annex I of
the Directive [1] and is provided by a CSP who fulfils the requirements laid down in Annex II of
the Directive [1]. (defined in the Directive [1], article 2.10)
Qualified electronic signature means an advanced signature which is based on a qualified
certificate and which is created by a SSCD according to the Directive [1], article 5, paragraph 1.
Reference authentication data (RAD) means data persistently stored by the TOE for
verification of the authentication attempt as authorised user.
Secure signature-creation device (SSCD) means configured software or hardware which is
used to implement the SCD and which meets the requirements laid down in Annex III of the
Directive [1]. (SSCD is defined in the Directive [1], article 2.5 and 2.6).
Signatory means a person who holds a SSCD and acts either on his own behalf or on behalf of
the natural or legal person or entity he represents. (defined in the Directive [1], article 2.3)
Signature attributes means additional information that is signed together with the user message.
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Signature-creation application (SCA) means the application used to create an electronic
signature, excluding the SSCD. I.e., the SCA is a collection of application elements
1. to perform the presentation of the DTBS to the signatory prior to the signature process
according to the signatory's decision,
2. to send a DTBS-representation to the TOE, if the signatory indicates by specific nonmisinterpretable input or action the intend to sign,
3. to attach the qualified electronic signature generated by the TOE to the data or provides the
qualified electronic signature as separate data.
Signature-creation data (SCD) means unique data, such as codes or private cryptographic keys,
which are used by the signatory to create an electronic signature. (defined in the Directive [1],
article 2.4)
Signature-creation system (SCS) means the overall system that creates an electronic signature.
The signature-creation system consists of the SCA and the SSCD.
Signature-verification data (SVD) means data, such as codes or public cryptographic keys,
which are used for the purpose of verifying an electronic signature. (defined in the Directive [1],
article 2.7)
Signed data object (SDO) means the electronic data to which the electronic signature has been
attached to or logically associated with as a method of authentication.
Sub-Referential. Consistent set of software components (Example: test scripts, specification
documents,). A Sub-referential belongs to a Referential.
SSCD provision service means a service that prepares and provides a SSCD to subscribers.
Tip Revision. The latest revision of a line of development (the trunk or a branch)
User means any entity (human user or external IT entity) outside the TOE that interacts with the
TOE.
Verification authentication data (VAD) means authentication data provided as input by
knowledge or authentication data derived from user’s biometric characteristics.
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9. REFERENCES
Short
Reference
CCPART1
CCPART2
CCPART3
CEM
PP SSCD1
PP SSCD2
PP SSCD3
BSI PP
DIRECTIVE
[E-Sign 1]
[E-Sign 2]
[IC-ST]
Title - Reference
Common Criteria for Information Technology Security Evaluation. Part 1: Introduction &
general model,. Version 2.3. August, 2005.
CCMB- 2005-08-001
Common Criteria for Information Technology Security Evaluation. Part 2: Functional
security requirements, Version 2.3. August, 2005.
CCMB- 2005-08-001
Common Criteria for Information Technology Security Evaluation. Part 3: Assurance
security requirements, Version 2.3. August, 2005.
CCMB- 2005-08-001
Common Methodology for Information Technology Evaluation,
CCMB- 2005-08-001
Protection Profile Creation Device Type 1 Version 1.05
BSI-PP-0004-2002T- 03-04-2002
Protection Profile Creation Device Type 2 Version 1.04
BSI-PP-0005-2002T-03-04-2002
Protection Profile Creation Device Type 3 Version 1.05
BSI-PP-0006-2002T-03-04-2002
Smartcard IC Protection Profile - BSI-PP-0002; Version 1.0, July 2001
DIRECTIVE 1999/93/EC of the European Parliament and of the Council of 13 December
1999 on a Community Framework for electronic signatures”
DIRECTIVE 1999/93/EC
Application Interface for Smart Cards used as secure Signature Creation Device
CEN/ISSS WS/E-Sign Draft CWA Group K part 1 – Basic requirements. Version 1
Release 9 (17th September 2003)
Application Interface for Smart Cards used as secure Signature Creation Device
CEN/ISSS WS/E-Sign Draft CWA Group K part 2 – Additional services. Version 0
Release:19 (12th December 2003)
SLE88CFX4000P / m8830 Security Target Version 1.3 Date 25-04-2006
Author Jürgen Noller
[CC-COMP]
Composite product evaluation for Smart Card and similar devices – ISCI-WG1
[JC2.2.1]
Java Card 2.2.1 Virtual Machine - 2.2.1 - Oct 2003
[GP2.1.1]
Global Platform - Card specification v2.1.1 - 2.1.1 - March 2003
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<END OF DOCUMENT>
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