Certification Report: 0362a

Certification Report: 0362a

Certification Report BSI-DSZ-CC-0362-2006

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Contents of the certification results

1 Executive Summary

Identification of the TOE

Security Policy

Assumptions and Clarification of Scope

Architectural Information 13

Documentation 13

IT Product Testing 14

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Evaluated Configuration

Results of the Evaluation

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10 Comments/Recommendations 17

11 Annexes 18

12 Security Target 18

13 Definitions 18

14 Bibliography 20

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Target of Evaluation (TOE) and subject of the Security Target (ST) [6] is the

Security IC with a Machine Readable Travel Document, Basic Access Control

Application TCOS Passport Version 1.0 Release 2 / P5CD072V0Q and TCOS

Passport Version 1.0 Release 2 / SLE66CLX641P/m1522-a12.

The Security Target is based on the Common Criteria Protection Profile

Machine Readable Travel Document with „ICAO Application", Basic Access

Control [8].

The TOE is the contactless integrated circuit chip of machine readable travel documents (MRTD’s chip) programmed according to the Logical Data Structure

(LDS) [9] and providing the Basic Access Control according to ICAO document

[10]. It will be embedded as an inlay chip module into a passport booklet.

The TOE comprises

• the circuitry of the MRTD’s chip (the integrated circuit, IC) with hardware for the contactless interface, e.g. antennae, capacitors

• the IC Dedicated Software with the parts IC Dedicated Test Software and IC

Dedicated Support Software

• the IC Embedded Software (operating system TCOS)

• the MRTD application (dedicated file for the ICAO application in a file system on the chip and

• the associated guidance documentation.

The TOE is a Smart Device with an operating system (TCOS) and a dedicated file-system, that contains all data relevant for the ICAO application.

For details on the MRTD chip and IC Dedicated Software see certification reports BSI-DSZ-CC-0349-2006 [12] for the Philips chip P5CD072V0Q and BSI-

DSZ-CC-0338-2005-MA-01 [13] for the Infineon chip SLE66CLX641P.

Following the protection profile PP0002 [11, Fig. 15] the life cycle phases of a

TCOS Passport device can be divided into the following seven phases:

• Phase 1: Development of operating system software by the operating system manufacturer

• Phase 2: Development of the smart card controller by the semiconductor manufacturer

• Phase 3: Fabrication of the smart card controller (integrated circuit) by the semiconductor manufacturer

• Phase 4: Installation of the chip in an inlay with an antenna

• Phase 5: Completion of the smart card operating system

• Phase 6: Initialisation and personalization of the MRTD

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• Phase 7: Operational phase of the MRTD

According to the MRTD BAC PP [8] the TOE life cycle is described in terms of the four life cycle phases.

• Life cycle phase 1 “Development”: Development of Hardware and Software.

This life cycle phase 1 covers Phase 1 and Phase 2 of PP0002 [11]

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• Life cycle phase 2 “Manufacturing”: IC Production, Initialisation and Pre-

Personalization of the MRTD Application. This life cycle phase 2 corresponds to Phase 3 and Phase 4 of PP0002 [11] and may include for flexibility reasons Phase 5 and some production processes from Phase 6 as well.

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• Life cycle phase 3 “Personalization of the MRTD”: This life cycle phase corresponds to the remaining initialisation and personalization processes not covered yet from Phase 6 of the PP0002 [11].

• Life cycle phase 4 “Operational Use”. This life cycle phase corresponds to the Phase 7 of the PP0002 [11].

The TOE is finished after initialisation, testing the OS and creation of the dedicated file system with security attributes and ready made for the import of

LDS. This corresponds to the end of life cycle phase 2 of the Protection Profile

MRTD BAC PP [8]. A more detailed description of the production processes in

Phases 5 and 6 of PP0002 resp. Phase 3 of the MRTD BAC PP is given in the

Administrator Guidance document [14].

The IT product TCOS Passport Version 1.0 Release 2 / P5CD072V0Q and

TCOS Passport Version 1.0 Release 2 / SLE66CLX641P/m1522-a12 was evaluated by TÜV Informationstechnik GmbH, Evaluation Body for IT-Security.

The evaluation was completed on 23.03.2006. The TÜV Informationstechnik

GmbH, Evaluation Body for IT-Security is an evaluation facility (ITSEF)

10 recognised by BSI.

The developer and sponsor is

T-Systems Enterprise Services GmbH

SSC Testfactory & Security

Untere Industriestr. 20

57250 Netphen

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Software development at T-Systems, Netphen; for hardware development sites refer to

[12] resp. [13]

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Completion and inlay module initialisation at Bundesdruckerei (Berlin), SPSL

(Chadderton) and Sokymat GmbH (Erfurt).

The personalization process at SPSL and the Bundesdruckerei was not part of the evaluation. For hardware manufacturing sites refer to [12] resp. [13];

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Information Technology Security Evaluation Facility

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The TOE security assurance requirements are based entirely on the assurance components defined in part 3 of the Common Criteria (see Annex C or [1], part

3 for details). The TOE meets the assurance requirements of assurance level

EAL4+ (Evaluation Assurance Level 4 augmented). The following table shows the augmented assurance components.

Requirement Identifier

EAL4 TOE evaluation: methodically designed, tested, and reviewed

+: ADV_IMP.2

+: ALC_DVS.2

Development – Implementation of the TSF

Life cycle support – Sufficiency of security measures

Table 1: Assurance components and EAL-augmentation

1.2 Functionality

The TOE Security Functional Requirements (SFR) selected in the Security

Target are Common Criteria Part 2 extended as shown in the following tables.

The following SFRs are taken from CC part 2:

Security Functional Requirement Identifier and addressed issue

FCS_CKM.1/BAC_MRTD

FCS_CKM.4

FCS_COP.1/SHA_MRTD

FCS_COP.1/TDES_MRTD

FCS_COP.1/MAC_MRTD

FDP

FDP_ACC.1 (PRIM)

FDP_ACC.1 (BASIC)

FDP_ACF.1 (PRIM)

FDP_ACF.1 (Basic)

FDP_UCT.1/MRTD

FDP_UIT.1/MRTD

Cryptographic key generation – Generation of Document Basic Access Keys by the TOE

Cryptographic key destruction - MRTD

Cryptographic operation – Hash for Key

Derivation by MRTD

Cryptographic operation – Encryption /

Decryption Triple-DES

Cryptographic operation – Retail MAC

User data protection

Subset access control – Primary Access

Control

Subset access control – Basic Access control

Security attribute based access control –

Primary Access Control

Security attribute based access control –

Basic Access Control

Basic data exchange confidentiality - MRTD

Data exchange integrity - MRTD

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Security Functional Requirement

FIA

Identifier and addressed issue

Identification and authentication

FIA_UID.1

FIA_UAU.1

Timing of identification

Timing of authentication authentication mechanisms -

Single-use authentication of the Terminal by the TOE

FIA_UAU.5 Multiple authentication mechanisms

FIA_UAU.6/MRTD Re-authenticating – Re-authenticating of

Terminal by the TOE

FMT_MOF.1

FMT_SMF.1

FMT_MTD.1/INI_ENA

FMT_MTD.1/INI_DIS

FMT_MTD.1/KEY_WRITE

FMT_MTD.1/KEY_READ

FPT

FPT_FLS.1

FPT_PHP.3

FPT_RVM.1

Management of functions in TSF

Specification of Management Functions

Management of TSF data – Writing of

Initialization Data and Pre-personalization

Data

Management of TSF data – Disabling of

Read Access to Initialization Data and Prepersonalization Data

Management of TSF data – Key Write

Management of TSF data – Key Read

Protection of the TOE Security Functions

Failure with preservation of secure state

Resistance to physical attack

Non-bypassability of the TSP

Table 2: SFRs for the TOE taken from CC Part 2

The following CC part 2 extended SFRs are defined:

Security Functional Requirement Identifier and addressed issue

FCS_RND.1/MRTD Quality metric for random numbers

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Security Functional Requirement

FPT

Identifier and addressed issue

Protection of the TOE Security Functions

Table 3: SFRs for the TOE, CC part 2 extended

Note: only the titles of the Security Functional Requirements are provided. For more details and application notes please refer to the ST [6] chapter 5.1.

The following Security Functional Requirements are defined for the IT-

Environment of the TOE:

Security Functional Requirement Identifier and addressed issue

FCS_CKM.1/BAC_BT

FCS_CKM.4/BT

FCS_COP.1/SHA_BT

FCS_COP.1/ENC_BT

FCS_COP.1/MAC_BT

FCS_RND.1/BT

FDP

FDP_DAU.1/DS

FDP_UCT.1/BT

FDP_UIT.1/BT

FIA

Cryptographic key generation – Generation of Document Basic Access Keys by the

Basic Terminal

Cryptographic key destruction – BT

Cryptographic operation – Hash Function by the Basic Terminal

Cryptographic operation – Secure

Messaging Encryption / Decryption by the

Basic Terminal

Cryptographic operation – Secure messaging Message Authentication Code by the Basic Terminal

Quality metric for random numbers - Basic

Terminal

User data protection

Basic data authentication – Passive

Authentication

Basic data exchange confidentiality - Basic

Terminal

Data exchange integrity - Basic Terminal

Identification and authentication

Basic Terminal

FIA_UAU.6/BT Re-authentication - Basic Terminal

FIA_API.1/SYM_PT Authentication Proof of Identity -

Personalization Terminal Authentication with

Symmetric Key

Table 4: SFRs for the IT-Environment

Note: Only the titles of the Security Functional Requirements are provided. For more details and application notes please refer to the ST [6] chapter 5.3.

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These Security Functional Requirements are implemented by the TOE Security

Functions:

Identification and Authentication based on Challenge-Response

Data exchange under secure messaging

Access Control of stored data objects

Reliability

For more details please refer to the Security Target [6], chapter 6.1.

The TOE’s strength of functions is claimed high (SOF-High) for the following security functions Identification and Authentication based on Challenge-

Response and Data exchange under secure messaging.

The rating of the strength of functions does not include the cryptoalgorithms suitable for encryption and decryption (see BSIG Section 4, Para. 3, Clause 2).

For details see chapter 9 of this report.

1.4 Summary of threats and Organisational Security Policies

(OSPs) addressed by the evaluated IT product

The ST defines the following assets taken from the MRTD BAC PP [8]:

Logical MRTD Data consisting of the data groups DG1 to DG16 and the

Document security object according to LDS [10].

Authenticity of the MRTD’s chip

Assets have to be protected in terms of confidentiality and/or integrity.

The ST considers the following subjects taken from the MRTD BAC PP [8]:

Manufacturer, MRTD Holder, Traveller, Personalization Agent, Inspection

System (split into Primary Inspection System (PIS), Basic Inspection System

(BIS), and Extended Inspection System (EIS)), the Terminal and the Attacker.

For details refer to the Security Target chapter 3.2.

The following list of considered threats for the TOE is defined in the Security

Target. They are taken from the MRTD BAC PP [8].

T.Chip_ID Identification of MRTD’s chip

An attacker trying to trace the movement of the MRTD by identifying remotely the MRTD’s chip by establishing or listening a communication through the contactless communication interface. The attacker can not read and does not know in advance the MRZ data printed on the MRTD data page.

T.Skimming Skimming the logical MRTD

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An attacker imitates the inspection system to read the logical MRTD or parts of it via the contactless communication channel of the TOE. The attacker can not read and does not know in advance the MRZ data printed on the MRTD data page. inspection system

An attacker is listening to the communication between the MRTD’s chip and an inspection system to gain the logical MRTD or parts of it. The inspection system uses the MRZ data printed on the MRTD data page but the attacker does not know this data in advance.

T.Forgery Forgery data on MRTD’s chip

An attacker alters fraudulently the complete stored logical MRTD or any part of it including its security related data in order to impose on an inspection system by means of the changed MRTD holder’s identity or biometric reference data.

This threat comprises several attack scenarios of MRTD forgery.

T.Abuse-Func Abuse of Functionality

An attacker may use functions of the TOE which shall not be used in TOE operational phase in order (i) to manipulate User Data, (ii) to manipulate

(explore, bypass, deactivate or change) security features or functions of the

TOE or (iii) to disclose or to manipulate TSF Data. This threat addresses the misuse of the functions for the initialisation and the personalization in the operational state after delivery to MRTD holder.

T.Information_Leakage Information Leakage from MRTD’s chip

An attacker may exploit information which is leaked from the TOE during its usage in order to disclose confidential TSF data. The information leakage may be inherent in the normal operation or caused by the attacker.

An attacker may perform physical probing of the MRTD’s chip in order to disclose TSF Data to disclose/reconstruct the MRTD’s chip Embedded

Software. An attacker may physically modify the MRTD’s chip in order to (i) modify security features or functions of the MRTD’s chip, (ii) modify security functions of the MRTD’s chip Embedded Software, (iii) to modify User Data or

(iv) to modify TSF data.

T.Malfunction Malfunction due to Environmental Stress

An attacker may cause a malfunction of TSF or of the MRTD’s chip Embedded

Software by applying environmental stress in order to (i) deactivate or modify security features or functions of the TOE or (ii) circumvent or deactivate or modify security functions of the MRTD’s chip Embedded Software.

For more details refer to the Security Target chapter 3.3.

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The TOE shall comply to the following organisation security policies as security rules, procedures, practices, or guidelines imposed by an organisation upon its operations:

P.Manufact

The IC Manufacturer and MRTD Manufacturer ensure the quality and the security of the manufacturing process and control the MRTD’s material in the

Phase 2 Manufacturing. The Initialisation Data are written by the IC

Manufacturer to identify the IC uniquely. The MRTD Manufacturer writes the

Pre-personalization Data which contains at least the Personalization Agent Key.

P.Personalization Personalization of the MRTD by issuing State or

Organisation only

The issuing State or Organisation guarantees the correctness of the biographical data, the printed portrait and the digitised portrait, the biometric reference data and other data of the logical MRTD with respect to the MRTD holder. The personalization of the MRTD for the holder is performed by authorised agents of the issuing State or Organisation only.

P.Personal_Data Personal data protection policy

The biographical data and their summary printed in the MRZ and stored on the

MRTD’s chip (DG1), the printed portrait and the digitised portrait (DG2), the biometric reference data of finger(s) (DG3), the biometric reference data of iris image(s) (DG4) and data according to LDS (DG5 to DG14, DG16) stored on the

MRTD’s chip are personal data of the MRTD holder. These data groups are intended to be used only with agreement of the MRTD holder by inspection systems to which the MRTD is presented. The MRTD’s chip shall provide the possibility for the Basic Access Control to allow read access to these data only for terminals successfully authenticated based on knowledge of the Document

Basic Access Keys as defined in [9].

The issuing State or Organisation decides (i) to enable the Basic Access

Control for the protection of the MRTD holder personal data or (ii) to disable the

Basic Access Control to allow Primary Inspection Systems of the receiving

States and all other terminals to read the logical MRTD. This configuration is performed during the personalization phase 3 of the TOE life cycle.

1.6 Assumptions about the operating environment

The assumptions are describe the security aspects of the environment in which the TOE will be used or is intended to be used. The ST defines the following assumptions taken from the MRTD BAC PP [8]:

A.Pers_Agent Personalization of the MRTD’s chip

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The Personalization Agent ensures the correctness of (i) the logical MRTD with respect to the MRTD holder, (ii) the Document Basic Access Keys, (iii) the

Active Authentication Public Key Info (DG15) if stored on the MRTD’s chip, and

(iv) the Document Signer Public Key Certificate (if stored on the MRTD’s chip) on the MRTD’s chip. (Note: Because the Active Authentication Public Key Info

(DG15) is not stored on the TOE, this assumption from the MRTD BAC PP [8] is not relevant.) The Personalization Agent signs the Document Security Object.

The Personalization Agent bears the Personalization Agent Authentication to authenticate himself to the TOE by symmetric cryptographic mechanisms.

A.Insp_Sys

The Inspection System is used by the border control officer of the receiving

State (i) examining an MRTD presented by the traveller and verifying its authenticity and (ii) verifying the traveller as MRTD holder. The Primary

Inspection System for global interoperability contains the Country Signing Public

Key and the Document Signer Public Key of each issuing State or Organisation

[9]. The Primary Inspection System performs the Passive Authentication to verify the logical MRTD if the logical MRTD is not protected by Basic Access

Control. The Basic Inspection System in addition to the Primary Inspection

System implements the terminal part of the Basic Access Control and reads the logical MRTD being under Basic access Control.

1.7 Disclaimers

The Certification Results only apply to the version of the product indicated in the

Certificate and on the condition that all the stipulations are kept as detailed in this Certification Report. This certificate is not an endorsement of the IT product by the Federal Office for Information Security (BSI) or any other organisation that recognises or gives effect to this certificate, and no warranty of the IT product by BSI or any other organisation that recognises or gives effect to this certificate, is either expressed or implied.

2 Identification of the TOE

The Target of Evaluation (TOE) is called:

TCOS Passport Version 1.0 Release 2 / P5CD072V0Q and TCOS Passport

Version 1.0 Release 2 / SLE66CLX641P/m1522-a12

The following table outlines the TOE deliverables:

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No Type Identifier

1a HW /

SW

TCOS Passport operating system and file-system for the ICAO application with

Philips chip

P5CD072V0Q

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1b HW /

SW

TCOS Passport operating system and file-system for the ICAO application with

Infineon chip

SLE66CLX641P

12 manuals

TCOS Passport Version

1.02 [14] and [15]

Release Form of Delivery

Version 1 Release

2 / P5CD072V0Q,

Philips

SW completely contained in

ROM and EEPROM memory, mask ICAO10R1 initialised and tested

Version 1 Release 2 /

SLE66CLX641P/m15

22a12, mask

ICAO10R1 Infineon

Version 1.02

10.March 2006

Manual

Passport Version 1.02 [16]

Version 1.02

10.March 2006

SW completely contained in

ROM and EEPROM memory, chip mounted into an inlay package initialised and tested

Document in paper / electronic form as pdf file

Document in paper / electronic form as pdf file

Table 5: Deliverables of the TOE

The TOE is finalized at the end of phase 2 according to the MRTD BAC PP.

Delivery is performed from the Initialization facility to the personalisation facility by as a secured transport to a specific person of contact at the personalization site. Furthermore, the personalizer receives information about the personalisation commands and process requirements. To ensure that the personalizer receives this evaluated version, the procedures to start the personalisation process as described in the administrator manual for personalisation [15] have to be followed.

The security policy of the TOE is defined according to the MRTD BAC PP [8] by the security objectives and requirements for the contactless chip of machine readable travel documents (MRTD) based on the requirements and recommendations of the International Civil Aviation Organisation (ICAO). It addresses the advanced security methods Basic Access Control in the

Technical reports of the ICAO New Technology Working Group.

4 Assumptions and Clarification of Scope

The assumptions on Personalization of the MRTD’s chip and on Inspection

Systems for global interoperability as outlined above are of relevance.

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For details on the MRTD chip and IC Dedicated Software see certification report BSI-

DSZ-CC-0349-2006 [12] for the Philips chip P5CD072V0Q.

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For details on the MRTD chip and IC Dedicated Software see certification report BSI-

DSZ-CC-0338-2005-MA-01 [13] for the Infineon chip SLE66CLX641P.

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The state or organisation issues the MRTD to be used by the holder for international travel. The traveller presents a MRTD to the inspection system to prove his or her identity. The authentication of the traveller is based on (i) the possession of a valid MRTD personalized for a holder with the claimed identity as given on the biographical data page and (ii) biometrics using the reference data stored in the MRTD. The issuing State or Organisation ensure the authenticity of the data of genuine MRTD’s. The receiving State trust a genuine

MRTD of a issuing State or Organisation.

The TOE consists of hardware and software. Hardware is either the Infineon

Chip SLE66CX641P or the Philips Chip P5CD072V0Q.

The TOE software is the chip card operation system TCOS and the specific

ICAO file-system specified by specific initialisation data. The software is grouped as follows:

The kernel subsystem controls the communication between all other subsystems. It checks the used memory areas, allocates resources and controls the order of operation.

The administrative subsystem contains all administrative functionality of the

TOE. It provides functionality for generation and deletion of files and directories and for reading and writing of files. This subsystem is also responsible for access control.

The crypto subsystem contains the cryptographic functionality and guarantees controlled access to keys.

The IO subsystem is responsible for all communication to the external world. It implements the protocol T=CL and checks syntax of APDUs.

The ROM TCOS-Type Task includes the ISO specific parts of the code. It analysis the APDUs and enforces calls to other subsystems.

The User-Type Task of TCOS including application specific code but is not used within the TOE.

The TSF of the software uses the hardware via evaluated hardware interfaces.

External interface of the composite TOE used in the MRTD application is a specific set of commands operating on a defined file-system of the application.

This interface is available to the inspection system via the contactless chip interface.

6 Documentation

The administrator manual for personalisation [14] is provided for the

Personalization Agent of the TOE who needs information about security procedures and how the TOE supports the personalisation process.

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The administrator manual for initialisation [15] includes information about the initialisation process which is done before TOE delivery.

The user manual [16] is provided for the developer of an inspection system who needs information how the TOE interacts with the inspection system.

7 IT Product Testing

Developer tests, independent evaluator tests and penetration tests were performed using MRTD chips TCOS Passport Version 1.02/P5CD072 (Philips

Chip) and TCOS Passport Version 1.02/SLE66CLX641P (Infineon Chip) composed of the hardware chip, its dedicated software, the operating system

TCOS and a file-system for the ICAO application. TOEs in the configuration

LDS (Logical Data Structure) and BAC (Basic Access Control) were tested.

The developer performed functional tests with a TOE in the personalization phase and in the operational phase. All security functions were tested including their sub-functions. The test coverage analysis and the test depth analysis gave evidence that the TOE was systematically tested on the level of the functional specification and on subsystem level.

The test cases defined based on the security functionality specified in the functional specification showed the conformance to the expected behaviour of the TOE in the personalization and operational phase. The tests were performed using a smart card simulator and real chips with the TOE software and the ICAO file-system.

The evaluator repeated developer tests by sampling. The sample covered all security functions and was performed by using real chips and an emulator. The

TOE operated as specified.

Independent evaluator tests were performed in phase 5 (completion of the smart card operating system), phase 6 (initialisation and personalization of the

MRTD) and in phase 7 (Operational phase of the MRTD) of the TOE. The tests confirmed the expected behaviour as specified.

The evaluators penetration tests confirmed the effectiveness of all security functions of the TOE. During these tests the different life cycle phases were considered. The penetration tests were performed based on the developers vulnerability analysis and based on the independent vulnerability analysis of the evaluator. Potential vulnerabilities were assessed upon their exploitability by analysis and tests. Analysis results and tests results showed that potential vulnerabilities are not exploitable in the intended operational environment of the

TOE and that the TOE is resistant against low attack potential AVA_VLA.2 as specified.

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The TOE is delivered at the end of phase 6.1 in form of initialised and tested inlay module. This corresponds to the end of life cycle phase 2 of the Protection

Profile MRTD BAC PP [8].

All procedures for personalisation and configuration for the end-user necessary after delivery are described in the Administrator Guidance document [14].

9 Results of the Evaluation

The Evaluation Technical Report (ETR), [7] was provided by the ITSEF according to the Common Criteria [1], the Methodology [2], the requirements of the Scheme [3] and all interpretations and guidelines of the Scheme (AIS) [4] as relevant for the TOE.

As the evaluation of the TOE was conducted as a composition evaluation, the

ETR [7] includes also the evaluation results of the composite evaluation activities in accordance with CC Supporting Document, ETR-lite for Composition:

Annex A Composite smart card evaluation [4, AIS 36]. The ETR [7] builds up on the ETR-lite for Composition document of the evaluation of the underlying

Philips chip P5CD072V0Q (see BSI-DSZ-CC-0349-2006 [12]) and the Infineon chip SLE66CLX641P (BSI-DSZ-CC-0338-2005-MA-01 [13]).

The evaluation methodology CEM [2] was used for those components identical with EAL4. For components beyond EAL4 the methodology was defined in coordination with the Certification Body [4, AIS 34]). For smart card specific methodology the scheme interpretations AIS 25, AIS 26 and AIS 36 (see [4]) were used.

The verdicts for the CC, Part 3 assurance components (according to EAL4 augmented and the class ASE for the Security Target evaluation) are summarised in the following table.

Assurance classes and components

Security Target evaluation CC Class ASE

Verdict

PASS

IT security requirements

Explicitly stated IT security requirements

TOE summary specification

Configuration management

Partial CM automation

ASE_REQ.1 PASS

ASE_SRE.1 PASS

ASE_TSS.1 PASS

CC Class ACM PASS

ACM_AUT.1 PASS

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Assurance classes and components Verdict

Generation support and acceptance procedures ACM_CAP.4 PASS

Problem tracking CM coverage ACM_SCP.2 PASS

PASS Delivery and operation CC Class ADO

Detection of modification ADO_DEL.2

Installation, ADO_IGS.1

PASS

PASS

Development

Fully defined external interfaces

Security enforcing high-level design

Implementation of the TSF

Descriptive low-level design

CC Class ADV

ADV_FSP.2

PASS

PASS

ADV_HLD.2 PASS

ADV_IMP.2 PASS

ADV_LLD.1 PASS

Informal TOE security policy model

Guidance documents

Life cycle support

Sufficiency of security measures

Developer defined life-cycle model

Well-defined development tools

Tests

Analysis of coverage

Testing: high-level design

Functional testing

Independent testing - sample

ADV_SPM.1 PASS

CC Class AGD PASS

AGD_ADM.1 PASS

AGD_USR.1 PASS

CC Class ALC

ALC_DVS.2

ALC_LCD.1

ALC_TAT.1

CC Class ATE

PASS

PASS

PASS

PASS

PASS

ATE_COV.2

ATE_DPT.1

ATE_FUN.1

ATE_IND.2

PASS

PASS

PASS

PASS

Strength of TOE security function evaluation

Independent vulnerability analysis

AVA_MSU.2 PASS

AVA_SOF.1 PASS

AVA_VLA.2 PASS

Table 6: Verdicts for the assurance components

The evaluation has shown that:

• the TOE is conformant to the PP Machine Readable Travel Document with „ICAO Application", Basic Access Control, version 1.0 (BSI-PP-

0017-2005) [8]

• Security Functional Requirements specified for the TOE are PP conformant and Common Criteria Part 2 extended

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• the assurance of the TOE is Common Criteria Part 3 conformant, EAL4 augmented by ADV_IMP.2 (Implementation of the TSF) and ALC_DVS.2

(Sufficiency of security measures).

The following TOE Security Functions fulfil the claimed Strength of Function

SOF-high:

• Identification and Authentication based on Challenge-Response

• Data exchange under secure messaging.

The rating of the strength of functions does not include the cryptoalgorithms suitable for encryption and decryption (see BSIG Section 4, Para. 3, Clause 2).

This holds for the Triple-DES functionality.

For specific evaluation results regarding the development and production environment see annex A in part D of this report.

The results of the evaluation are only applicable to the TCOS Passport Version

1.0 Release 2 / P5CD072V0Q and TCOS Passport Version 1.0 Release 2 /

SLE66CLX641P/m1522-a12. The validity can be extended to new versions and releases of the product, provided the sponsor applies for re-certification or assurance continuity of the modified product, in accordance with the procedural requirements, and the evaluation of the modified product does not reveal any security deficiencies.

10 Comments/Recommendations

The operational documents [14], [15] and [16] contain necessary information about the usage of the TOE and all security hints therein have to be considered.

The TOEs implemented security functions meet the claimed strength of function

SOF-high from design and construction point of view. The strength of function available in a specific system context where the TOE is used depends on the selection of the data used to set up the communication to the TOE. Therefore the issuing state or organisation is responsible for the strength of function that can be achieved in a specific system context. This has to be assessed in the specific system context. Then, the administrator (personalizer) is in collaboration with the issuing state or organisation responsible to provide keys with sufficient entropy, as required by the specific system context.

Only chips from the production sites (waferfabs, module and inlay production sites) as outlined in the certification reports for the Philips chip P5CD072V0Q

(BSI-DSZ-CC-0349-2006 [12]) and for the Infineon chip SLE66CLX641P (BSI-

DSZ-CC-0338-2005-MA-01 [13]) shall be used.

The Personalization Agent has to verify that they got the correct version of the

TOE.

Defect chips and invalid passports including a chip must be destroyed in a way that the chip itself is destructed.

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11 Annexes

Annex A: Evaluation results regarding the development and production environment (see part D of this report).

For the purpose of publishing, the Security Target [6] of the Target of Evaluation

(TOE) is provided within a separate document.

13 Definitions

13.1 Acronyms

APDU

BAC

Application Protocol Data Unit

Basic Access Control

BSI Bundesamt für Sicherheit in der Informationstechnik / Federal

Office for Information Security, Bonn, Germany

Common Criteria for IT Security Evaluation CC

CEM

DES

Common Methodology for IT Security Evaluation

Data Encryption Standard; symmetric block cipher algorithm

DOC Document

EEPROM Electronically Erasable Programmable Read Only Memory

ES Embedded

ICAO

ITSEF

MRTD

RAM

RNG

ROM

SFP

International Civil Aviation Organisation

Information Technology Security Evaluation Facility

Machine Readable Travel Document

Random Access Memory

Random Number Generator

Read Only Memory

Security Function Policy

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SOF Strength of Function

TOE Target of Evaluation

Triple-DES Symmetric block cipher algorithm based on the DES

TSC TSF Scope of Control

TSF

TSP

TSS

TOE Security Functions

TOE Security Policy

TOE Summary Specification

13.2 Glossary

Augmentation - The addition of one or more assurance component(s) from CC

Part 3 to an EAL or assurance package.

Extension - The addition to an ST or PP of functional requirements not contained in part 2 and/or assurance requirements not contained in part 3 of the

CC.

Formal - Expressed in a restricted syntax language with defined semantics based on well-established mathematical concepts.

Informal - Expressed in natural language.

Object - An entity within the TSC that contains or receives information and upon which subjects perform operations.

Protection Profile - An implementation-independent set of security requirements for a category of TOEs that meet specific consumer needs.

Security Function - A part or parts of the TOE that have to be relied upon for enforcing a closely related subset of the rules from the TSP.

Security Target - A set of security requirements and specifications to be used as the basis for evaluation of an identified TOE.

Semiformal - Expressed in a restricted syntax language with defined semantics.

Strength of Function - A qualification of a TOE security function expressing the minimum efforts assumed necessary to defeat its expected security behaviour by directly attacking its underlying security mechanisms.

SOF-basic - A level of the TOE strength of function where analysis shows that the function provides adequate protection against casual breach of TOE security by attackers possessing a low attack potential.

SOF-medium - A level of the TOE strength of function where analysis shows that the function provides adequate protection against straightforward or intentional breach of TOE security by attackers possessing a moderate attack potential.

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SOF-high - A level of the TOE strength of function where analysis shows that the function provides adequate protection against deliberately planned or organised breach of TOE security by attackers possessing a high attack potential.

Subject - An entity within the TSC that causes operations to be performed.

Target of Evaluation - An IT product or system and its associated administrator and user guidance documentation that is the subject of an evaluation.

TOE Security Functions - A set consisting of all hardware, software, and firmware of the TOE that must be relied upon for the correct enforcement of the

TSP.

TOE Security Policy - A set of rules that regulate how assets are managed, protected and distributed within a TOE.

TSF Scope of Control - The set of interactions that can occur with or within a

TOE and are subject to the rules of the TSP.

14 Bibliography

[1] Common Criteria for Information Technology Security Evaluation,

Version 2.1, August 1999

[2] Common Methodology for Information Technology Security Evaluation

(CEM), Part 1, Version 0.6; Part 2: Evaluation Methodology, Version 1.0,

August 1999

[3] BSI certification: Procedural Description (BSI 7125)

[4] Application Notes and Interpretations of the Scheme (AIS) as relevant for the TOE, specifically

- AIS 25, Version 2, 29 July 2002 for: CC Supporting Document, -

The Application of CC to Integrated Circuits, Version 1.2, July

2002

-

- AIS 32, Version 1, 02 July 2001, Übernahme international abgestimmter CC-Interpretationen ins deutsche Zertifizierungsschema.

-

AIS 34, Version 1.00, 1 June 2004, Evaluation Methodology for

CC Assurance Classes for EAL5+

-

AIS 26, Version 2, 6 August 2002 for: CC Supporting Document, -

Application of Attack Potential to Smartcards, Version 1.1, July

2002

AIS 36, Version 1, 29 July 2002 for:

CC Supporting Document, ETR-lite for Composition, Version 1.1,

July 2002 and CC Supporting Document, ETR-lite for

Composition: Annex A Composite smartcard evaluation, Version

1.2 March 2002

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[5] German IT Security Certificates (BSI 7148, BSI 7149), periodically updated list published also on the BSI Web-site

Specification of the Security Target TCOS Passport Version

1.0 Release 2, 16.01.2006, Version: 1.02, BSI-DSZ-CC-0362-2006

[7] Technischer Evaluierungsbericht (ETR), Version: 2, 23.03.2006 for

TCOS Passport Version 1 Revision 2 / P5CD072 and TCOS Passport

Version 1.0 Revision 2 / SLE66CLX641P, TÜVIT with „ICAO Application", Basic Access Control, BSI-PP-0017, Version

1.0, 18. August 2005, BSI

[9] Machine Readable Travel Documents Technical Report, Development of a Logical Data Structure – LDS, For Optional Capacity Expansion

Technologies, Revision –1.7, published by authority of the secretary general, International Civil Aviation Organisation, LDS 1.7, 2004-05-18

Readable Travel Documents Offering ICC Read-Only Access, Version -

1.1, Date - October 01, 2004, published by authority of the secretary general, International Civil Aviation Organisation

[11] Smartcard IC Platform Protection Profile, Version 1.0, July 2001, BSI registration ID: BSI-PP-0002-2001, developed by Atmel Smart Card ICs,

Hitachi Ltd., Infineon Technologies AG, Philips Semiconductors

[12] Certification Report BSI-DSZ-CC-0349-2006 for Philips Secure Smart

Card Controller P5CT072V0Q, P5CD072V0Q and P5CD036V0Q with specific IC Dedicated Software, 28. March 2006, BSI

[13] Certification Report BSI-DSZ-CC-0338-2005-MA-01 for Infineon Smart

Card IC (Security Controller) SLE66CLX640P/m1523-a12 and

SLE66CLX641P/m1522-a12 both with RSA2048 V1.3 and specific IC

Dedicated Software, 15. December 2005, BSI

[14] Administratorhandbuch zur Initialisierung TCOS Passport Version 1.0

Release 2, T-Systems, Version 1.02, 10. March 2006

[15] Administratorhandbuch zur Personalisierung TCOS Passport Version 1.0

Release 2, Version 1.02, 10. March 2006

TCOS Passport Version 1.0 Release 2, T-Systems,

Version 1.02, 10. March 2006

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