ETSI TS 103 096-2 V1.3.1 (2017-03)

TECHNICAL SPECIFICATION
Intelligent Transport Systems (ITS);
Testing;
Conformance test specifications for ITS Security;
Part 2: Test Suite Structure and Test Purposes (TSS & TP)

2 ETSI TS 103 096-2 V1.3.1 (2017-03)

Reference
RTS/ITS-00535
Keywords
ITS, security, testing, TSS&TP
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3 ETSI TS 103 096-2 V1.3.1 (2017-03)
Contents
Intellectual Property Rights . 6
Foreword . 6
Modal verbs terminology . 6
1 Scope . 7
2 References . 7
2.1 Normative references . 7
2.2 Informative references . 7
3 Definitions and abbreviations . 8
3.1 Definitions . 8
3.2 Abbreviations . 8
4 Test Suite Structure (TSS) . 9
4.1 Structure for Security tests . 9
5 Test Purposes (TP) . 9
5.1 Introduction . 9
5.1.1 TP definition conventions . 9
5.1.2 TP Identifier naming conventions . 9
5.1.3 Rules for the behaviour description . 9
5.1.4 Sources of TP definitions . 10
5.1.5 Mnemonics for PICS reference . 10
5 ITS-S Security . 10
5.1 Overview . 10
5.2 Sending behaviour . 10
5.2.1 Check the message protocol version . 10
5.2.2 Check that AT certificate is used to sign communication messages of ITS-S . 11
5.2.3 Check Signature ECC point type . 12
5.2.4 CAM profile. 12
5.2.4.1 Check secured CAM its_aid value . 12
5.2.4.2 Check header fields . 13
5.2.4.3 Check that IUT sends digest as sender info . 13
5.2.4.4 Check that IUT sends cert to unknown ITS-S . 14
5.2.4.5 Check that IUT restarts the timer when the certificate has been sent . 15
5.2.4.6 Check that IUT sends certificate when requested . 15
5.2.4.7 Check that IUT send certificate_chain when requested . 16
5.2.4.8 Check generation time . 17
5.2.4.9 Check sending certificate request to unknown station . 18
5.2.4.10 Check Payload . 18
5.2.4.11 Check presence of trailer field . 18
5.2.4.12 Check signature . 19
5.2.5 DENM profile . 19
5.2.5.1 Check secured DENM its_aid value . 19
5.2.5.2 Check header fields . 20
5.2.5.3 Check that signer info is a certificate . 20
5.2.5.4 Check generation time . 21
5.2.5.5 Check generation location . 21
5.2.5.6 Check Payload . 24
5.2.5.7 Check trailer field presence . 24
5.2.5.8 Check signature . 25
5.2.6 Generic signed message profile . 25
5.2.6.1 Check secured its_aid value . 25
5.2.6.2 Check header field. 26
5.2.6.3 Check that signer info is a certificate . 26
5.2.6.4 Check generation time . 27
5.2.6.5 Check generation location . 27
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4 ETSI TS 103 096-2 V1.3.1 (2017-03)
5.2.6.6 Check payload . 30
5.2.6.7 Check signature . 31
5.2.7 Profiles for certificates . 31
5.2.7.1 Check that certificate version is 2 . 31
5.2.7.2 Check the certificate chain consistence . 32
5.2.7.3 Check rectangular region validity restriction . 33
5.2.7.4 Check polygonal region validity restriction . 34
5.2.7.5 Check identified region validity restriction . 36
5.2.7.6 Check region validity restrictions in the chain . 38
5.2.7.7 Check time validity restriction in the chain . 40
5.2.7.8 Check ECC point type of the certificate signature . 41
5.2.7.9 Check ECC point type of the certificate verification key . 42
5.2.7.10 Verify certificates signatures . 43
5.2.7.11 Check certificate assurance level in the chain . 44
5.2.7.12 AA certificate profile . 44
5.2.7.12.1 Check AA certificate subject type . 44
5.2.7.12.2 Check AA certificate subject name . 45
5.2.7.12.3 Check that signer info of AA certificate is a digest . 45
5.2.7.12.4 Check that AA cert is signed by Root cert. 46
5.2.7.12.5 Check AA ceretificate subject attributes presence and order . 46
5.2.7.12.6 Check ITS-AID list of AA certificate . 47
5.2.7.12.7 Check AA certificate validity restriction presence and order . 47
5.2.7.12.8 Check the AA certificate time_start_and_end validity restriction . 48
5.2.7.13 AT certificate profile . 49
5.2.7.13.1 Check AT certificate subject type. 49
5.2.7.13.2 Check AT certificate subject name . 49
5.2.7.13.3 Check that signer info of AT certificate is a digest . 50
5.2.7.13.4 Check AT ceretificate subject attributes presence and order . 50
5.2.7.13.5 Check presence of time_start_and_end validity restriction . 51
5.2.7.13.6 Check ITS-AID-SSP . 52
5.2.7.13.7 Check that AT certificate is signed by AA cert . 53
5.2.7.13.8 Check validity restriction presence and order . 53
5.3 Receiver behaviour . 54
5.3.1 Overview . 54
5.3.2 CAM Profile . 54
5.3.2.1 Check that IUT accepts well-formed Secured CAM . 54
5.3.2.2 Check the message protocol version . 57
5.3.2.3 Check header fields . 57
5.3.2.4 Check signer info . 64
5.3.2.5 Check generation time . 66
5.3.2.6 Check its_aid . 67
5.3.2.7 Check payload . 68
5.3.2.8 Check presence of trailer field . 70
5.3.2.9 Check signature . 71
5.3.2.10 Check signing certificate type . 72
5.3.2.11 Check certificate validity . 74
5.3.3 DENM Profile . 78
5.3.3.1 Check that IUT accepts well-formed Secured DENM . 78
5.3.3.2 Check the message protocol version . 83
5.3.3.3 Check header fields . 83
5.3.3.4 Check signer info . 91
5.3.3.5 Check generation time . 93
5.3.3.6 Check its_aid . 94
5.3.3.7 Check generation location . 95
5.3.3.8 Check Payload . 97
5.3.3.9 Check presence of trailer field . 98
5.3.3.10 Check signature . 99
5.3.3.11 Check signing certificate type . 100
5.3.3.12 Check certificate validity . 102
5.3.4 Generic Signed Message Profile . 106
5.3.4.1 Check that IUT accepts well-formed GN Beacon message . 106
5.3.4.2 Check the message protocol version . 111
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5 ETSI TS 103 096-2 V1.3.1 (2017-03)
5.3.4.3 Check header fields . 111
5.3.4.4 Check signer info . 118
5.3.4.5 Check generation time . 120
5.3.4.6 Check its_aid . 121
5.3.4.7 Check generation location . 121
5.3.4.8 Check Payload . 123
5.3.4.9 Check presence of trailer field . 125
5.3.4.10 Check signature . 126
5.3.4.11 Check signing certificate type . 127
5.3.4.12 Check certificate validity . 129
5.3.5 Profiles for certificates . 132
5.3.5.1 Check that certificate version is 2 . 132
5.3.5.2 Check that enrolment certificate is not used for sign other certificates . 134
5.3.5.3 Check that authorization ticket certificate is not used for sign other certificates . 136
5.3.5.4 Check that AA certificate signed with other AA certificate is not accepted . 137
5.3.5.5 Check the certificate signature . 137
5.3.5.6 Check circular region of subordinate certificate . 138
5.3.5.7 Check rectangular region of subordinate certificate . 145
5.3.5.8 Check polygonal region of subordinate certificate . 151
5.3.5.9 Check identified region of subordinate certificate . 158
5.3.5.10 Check time validity restrictions . 168
5.3.5.10.1 Check time validity restriction presence . 168
5.3.5.10.2 Check AT certificate time validity restriction presence . 169
5.3.5.11 Check time validity restriction conforming to the issuing certificate . 171
5.3.5.12 Check AID-SSP subject attribute presence and value . 173
5.3.5.13 Check AID-SSP subject attribute value conforming to the issuing certificate . 175
5.3.5.14 Check the authorization ticket certificate signer info . 176
5.3.5.15 Check the authorization authority certificate signer info . 178
5.3.5.16 Check the subject_name of the AT certificate . 179
5.3.5.17 Check certificate assurance level presence and values . 180
5.3.5.18 Check certificate verification key presence . 182
5.3.5.19 Check invalid region type in validity restriction of certificates . 182
Annex A (informative): Bibliography . 183
History . 184

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6 ETSI TS 103 096-2 V1.3.1 (2017-03)
Intellectual Property Rights
IPRs essential or potentially essential to the present document may have been declared to ETSI. The information
pertaining to these essential IPRs, if any, is publicly available for ETSI members and non-members, and can be found
in ETSI SR 000 314: "Intellectual Property Rights (IPRs); Essential, or potentially Essential, IPRs notified to ETSI in
respect of ETSI standards", which is available from the ETSI Secretariat. Latest updates are available on the ETSI Web
server (https://ipr.etsi.org/).
Pursuant to the ETSI IPR Policy, no investigation, including IPR searches, has been carried out by ETSI. No guarantee
can be given as to the existence of other IPRs not referenced in ETSI SR 000 314 (or the updates on the ETSI Web
server) which are, or may be, or may become, essential to the present document.
Foreword
This Technical Specification (TS) has been produced by ETSI Technical Committee Intelligent Transport Systems
(ITS).
The present document is part 2 of a multi-part deliverable covering Conformance test specification for ITS Security, as
identified below:
Part 1: "Protocol Implementation Conformance Statement (PICS)";
Part 2: "Test Suite Structure and Test Purposes (TSS & TP)";
Part 3: "Abstract Test Suite (ATS) and Protocol Implementation eXtra Information for Testing (PIXIT)".
Modal verbs terminology
In the present document "shall", "shall not", "should", "should not", "may", "need not", "will", "will not", "can" and
"cannot" are to be interpreted as described in clause 3.2 of the ETSI Drafting Rules (Verbal forms for the expression of
provisions).
"must" and "must not" are NOT allowed in ETSI deliverables except when used in direct citation.
ETSI
7 ETSI TS 103 096-2 V1.3.1 (2017-03)
1 Scope
The present document provides the Test Suite Structure and Test Purposes (TSS & TP) for Security as defined in
ETSI TS 103 097 [1] in accordance with the relevant guidance given in ISO/IEC 9646-7 [i.6].
The ISO standard for the methodology of conformance testing (ISO/IEC 9646-1 [i.3] and ISO/IEC 9646-2 [i.4]) as well
as the ETSI rules for conformance testing (ETSI ETS 300 406 [i.7]) are used as a basis for the test methodology.
2 References
2.1 Normative references
References are either specific (identified by date of publication and/or edition number or version number) or
non-specific. For specific references, only the cited version applies. For non-specific references, the latest version of the
referenced document (including any amendments) applies.
Referenced documents which are not found to be publicly available in the expected location might be found at
https://docbox.etsi.org/Reference/.
NOTE: While any hyperlinks included in this clause were valid at the time of publication, ETSI cannot guarantee
their long term validity.
The following referenced documents are necessary for the application of the present document.
[1] ETSI TS 103 097 (V1.2.1): "Intelligent Transport Systems (ITS); Security; Security header and
certificate formats".
[2] ETSI TS 103 096-1 (V1.3.1): "Intelligent Transport Systems (ITS); Testing; Conformance test
specifications for ITS Security; Part 1: Protocol Implementation Conformance Statement (PICS)".
[3] ETSI TS 102 871-1 (V1.3.1): "Intelligent Transport Systems (ITS); Testing; Conformance test
specifications for GeoNetworking ITS-G5; Part 1: Test requirements and Protocol Implementation
Conformance Statement (PICS) pro forma".
[4] ISO 3166-1: "Codes for the representation of names of countries and their subdivisions -- Part 1:
Country codes".
[5] United Nations, Statistics Division (1996): "Standard Country or Area Codes for Statistical Use
(Rev. 3), Series M: Miscellaneous Statistical Papers, No. 49", New York: United Nations.
2.2 Informative references
References are either specific (identified by date of publication and/or edition number or version number) or
non-specific. For specific references, only the cited version applies. For non-specific references, the latest version of the
referenced document (including any amendments) applies.
NOTE: While any hyperlinks included in this clause were valid at the time of publication, ETSI cannot guarantee
their long term validity.
The following referenced documents are not necessary for the application of the present document but they assist the
user with regard to a particular subject area.
[i.1] ETSI EG 202 798 (V1.1.1): "Intelligent Transport Systems (ITS); Testing; Framework for
conformance and interoperability testing".
[i.2] ETSI TS 102 965 (V1.3.1): "Intelligent Transport Systems (ITS); Application Object Identifier
(ITS-AID); Registration".
[i.3] ISO/IEC 9646-1 (1994): "Information technology -- Open Systems Interconnection --
Conformance testing methodology and framework -- Part 1: General concepts".
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8 ETSI TS 103 096-2 V1.3.1 (2017-03)
[i.4] ISO/IEC 9646-2 (1994): "Information technology -- Open Systems Interconnection --
Conformance testing methodology and framework -- Part 2: Abstract Test Suite specification".
[i.5] ISO/IEC 9646-6 (1994): "Information technology -- Open Systems Interconnection --
Conformance testing methodology and framework -- Part 6: Protocol profile test specification".
[i.6] ISO/IEC 9646-7 (1995): "Information technology -- Open Systems Interconnection --
Conformance testing methodology and framework -- Part 7: Implementation Conformance
Statements".
[i.7] ETSI ETS 300 406 (1995): "Methods for testing and Specification (MTS); Protocol and profile
conformance testing specifications; Standardization methodology".
3 Definitions and abbreviations
3.1 Definitions
For the purposes of the present document, the terms and definitions given in ETSI TS 103 097 [1], ETSI
TS 102 965 [i.2], ISO/IEC 9646-6 [i.5] and ISO/IEC 9646-7 [i.6] apply.
3.2 Abbreviations
For the purposes of the present document, the following abbreviations apply:
AA Authorization Authority
AID Application Identifier
AID_CAM ITS Application Identifier for CAM
AID_DENM Application Identifier for DENM
AID_GN Application Identifier for general GeoNetworking messages
AT Authorization Ticket
ATS Abstract Test Suite
BO Exceptional Behaviour
BV Valid Behaviour
CAM Co-operative Awareness Messages
CAN Controller Area Network
CERT Certificate
DE Data Element
DENM Decentralized Environmental Notification Message
EA Enrolment Authority
ECC Elliptic Curve Cryptography
GN GeoNetworking
ITS Intelligent Transportation Systems
ITS-S Intelligent Transport System - Station
IUT Implementation under Test
MSG Message
PICS Protocol Implementation Conformance Statement
SSP Service Specific Permissions
TP Test Purposes
TSS Test Suite Structure
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9 ETSI TS 103 096-2 V1.3.1 (2017-03)
4 Test Suite Structure (TSS)
4.1 Structure for Security tests
Table 1 shows the Security Test Suite Structure (TSS) defined for conformance testing.
Table 1: TSS for Security
Root Group Category
Security ITS-S data transfer Valid
ITS-S - AA authorization Valid
ITS-S - EA enrolment Valid
Sending behaviour Valid
Receiving behaviour Valid and Invalid
Generic messages Valid
CAM testing Valid
DENM testing Valid
Certificate testing Valid
5 Test Purposes (TP)
5.1 Introduction
5.1.1 TP definition conventions
The TP definition is built according to ETSI EG 202 798 [i.1].
5.1.2 TP Identifier naming conventions
The identifier of the TP is built according to table 2.
Table 2: TP naming convention
Identifier TP_______
= root SEC
= target ITSS ITS-S data transfer
AA ITS-S - AA authorization
EA ITS-S - EA enrolment
= group SND Sending behaviour
RCV Receiving behaviour
=sub- group MSG Generic messages
CAM CAM testing
DENM DENM testing
CERT Certificate testing
= requirement sequential number 01 to 99
= test purpose sequential number 01 to 99
= category BV Valid Behaviour tests
BO Invalid Behaviour Tests
5.1.3 Rules for the behaviour description
The description of the TP is built according to ETSI EG 202 798 [i.1].
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10 ETSI TS 103 096-2 V1.3.1 (2017-03)
ETSI TS 103 097 [1] does not use the finite state machine concept. As consequence, the test purposes use a generic
"Initial State" that corresponds to a state where the IUT is ready for starting the test execution. Furthermore, the IUT
shall be left in this "Initial State", when the test is completed.
Being in the "Initial State" refers to the starting point of the initial device configuration. There are no pending actions,
no instantiated buffers or variables, which could disturb the execution of a test.
5.1.4 Sources of TP definitions
All TPs have been specified according to ETSI TS 103 097 [1].
5.1.5 Mnemonics for PICS reference
To avoid an update of all TPs when the PICS document is changed, table 3 introduces mnemonics name and the
correspondence with the real PICS item number. The 'PICS item' column refers to tables and items of ETSI
TS 103 096-1 [2] if not stated otherwise. The 'PICS item' as defined in ETSI TS 103 096-1 [2] and ETSI
TS 102 871-1 [3] shall be used to determine the test applicability.
Table 3: Mnemonics for PICS reference
Mnemonic PICS item
1 PICS_GN_SECURITY A.2/1 ETSI TS 102 871-1 [3]
2 PICS_CERTIFICATE_SELECTION A.2/1
3 PICS_USE_CIRCULAR_REGION A.3/2
4 PICS_USE_RECTANGULAR_REGION A.3/3
5 PICS_USE_POLYGONAL_REGION A.3/4
6 PICS_USE_IDENTIFIED_REGION A.3/5
7 PICS_ITS_AID_OTHER_PROFILE A.5/1
8 PICS_USE_ISO31661_REGION_DICTIONARY A.4/1
9 PICS_USE_UN_STATS_REGION_DICTIONARY A.4/2

5 ITS-S Security
5.1 Overview
Void.
5.2 Sending behaviour
5.2.1 Check the message protocol version
TP Id TP_SEC_ITSS_SND_MSG_01_01_BV
Summary Check that ITS-S sends a SecuredMessage containing protocol version set to 2
Reference
ETSI TS 103 097 [1], clause 5.1
PICS Selection
PICS_GN_SECURITY
Expected behaviour
with
the IUT being in the 'authorized' state
ensure that
when
the IUT is requested to send a SecuredMessage
then
the IUT sends a SecuredMessage
containing protocol_version
indicating value '2'
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11 ETSI TS 103 096-2 V1.3.1 (2017-03)
5.2.2 Check that AT certificate is used to sign communication messages
of ITS-S
TP Id
TP_SEC_ITSS_SND_MSG_04_01_BV
Check that when IUT sends the message signed with the digest, then this digest points to
Summary
the AT certificate
Reference ETSI TS 103 097 [1], clause 6.3
PICS Selection PICS_GN_SECURITY
Expected behaviour
with
the IUT being in the 'authorized' state
and the IUT is configured to send more than one CAM per second
and the IUT having sent last CAM
containing header_fields['signer_info'].signer.type
indicating 'certificate'
ensure that
when
the IUT is requested to send next CAM
then
the IUT sends a SecuredMessage
containing header_fields ['signer_info']
containing signer
containing type
indicating 'certificate_digest_with_sha256'
and containing digest
referencing the certificate
containing subject_info.subject_type
indicating 'authorization_ticket'

TP Id TP_SEC_ITSS_SND_MSG_04_02_BV
Summary Check that IUT uses the AT certificate to sign messages
Reference ETSI TS 103 097 [1], clause 6.3
PICS Selection PICS_GN_SECURITY
Expected behaviour
with
the IUT being in the 'authorized' state
the IUT being requested to include certificate in the next CAM
ensure that
when
the IUT is requested to send a next CAM
then
the IUT sends a SecuredMessage
containing header_fields ['signer_info']
containing signer
containing type
indicating 'certificate'
and containing certificate
containing subject_info.subject_type
indicating 'authorization_ticket'

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12 ETSI TS 103 096-2 V1.3.1 (2017-03)
5.2.3 Check Signature ECC point type
TP Id
TP_SEC_ITSS_SND_MSG_05_01_BV
Check that the SecuredMessage signature contains the ECC point of type set to either
Summary
compressed_lsb_y_0, compressed_lsb_y_1 or x_coordinate_only
Reference ETSI TS 103 097 [1], clause 4.2.9
PICS Selection PICS_GN_SECURITY
Expected behaviour
with
the IUT being in the 'authorized' state
ensure that
when
the IUT is requested to send a CAM
then
the IUT sends a SecuredMessage
containing header_fields ['its_aid']
containing its_aid
indicating 'AID_CAM'
and containing trailer_fields['signature']
containing signature.ecdsa_signature
containing R.type
indicating 'compressed_lsb_y_0'
or indicating 'compressed_lsb_y_1'
or indicating 'x_coordinate_only'

5.2.4 CAM profile
5.2.4.1 Check secured CAM its_aid value
TP Id TP_SEC_ITSS_SND_CAM_01_01_BV
Summary Check that the sent Secured CAM contains a HeaderField its_aid that is set to 'AID_CAM'
Reference ETSI TS 103 097 [1], clauses 5.4 and 7.1
PICS Selection PICS_GN_SECURITY
Expected behaviour
with
the IUT being in the 'authorized' state
ensure that
when
the IUT is requested to send CAM
then
the IUT sends a SecuredMessage
containing header_fields ['its_aid']
containing its_aid
indicating 'AID_CAM'
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13 ETSI TS 103 096-2 V1.3.1 (2017-03)
5.2.4.2 Check header fields
TP Id TP_SEC_ITSS_SND_CAM_02_01_BV
Check that the secured CAM contains exactly one element of these header fields:
signer_info, generation_time, its_aid;
Check that the header fields are in the ascending order according to the numbering of the
Summary
enumeration except of the signer_info, which is encoded first;
Check that generation_time_standard_deviation, expiration, encryption_parameters,
recipient_info are not used
Reference ETSI TS 103 097 [1], clause 7.1
PICS Selection PICS_GN_SECURITY
Expected behaviour
with
the IUT being in the 'authorized' state
ensure that
when
the IUT is requested to send a CAM
then
the IUT sends a SecuredMessage
containing header_fields[0]
containing type
indicating 'signer_info'
and containing header_fields [1.N]
indicating header_fields [n].type < header_fields [n+1].type
and containing header_fields ['generation_time']
and containing header_fields['its_aid']
and not containing header_fields['generation_time_standard_deviation']
and not containing header_fields['expiration']
and not containing header_fields['encryption_parameters']
and not containing header_fields['recipient_info']

5.2.4.3 Check that IUT sends digest as sender info
TP Id
TP_SEC_ITSS_SND_CAM_05_01_BV
Check that the secured CAM contains the signer_info field of certificate when over the time
Summary
of one second no other SecuredMessage contained a signer_info of type certificate
Reference ETSI TS 103 097 [1], clause 7.1
PICS Selection PICS_GN_SECURITY
Expected behaviour
with
the IUT being in the 'authorized' state
and the IUT is configured to send more than one CAM per second
and the IUT having sent a CAM
containing header_fields['signer_info'].signer.type
indicating 'certificate'
and contains header_fields['generation_time']
indicating TIME_LAST
ensure that
when
the IUT is sending CAM
containing header_fields['signer_info']
containing signer
containing type
indicating 'certificate'
then
this message is
containing header_fields['generation_time']
indicating TIME (TIME >= TIME_LAST + 1sec)

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14 ETSI TS 103 096-2 V1.3.1 (2017-03)
TP Id
TP_SEC_ITSS_SND_CAM_05_02_BV
Check that the secured CAM contains the signer_info field of certificate when the timeout of
Summary
one second has been expired after the previous CAM containing the certificate
Reference ETSI TS 103 097 [1], clause 7.1
PICS Selection PICS_GN_SECURITY
Expected behaviour
with
the IUT being in the 'authorized' state
and the IUT is configured to send more than one CAM per second
and the IUT having sent a CAM
containing header_fields['signer_info'].signer.type
indicating 'certificate'
at TIME_LAST
ensure that
when
the IUT is sending a CAM
containing header_fields['generation_time']
indicating TIME >= TIME_LAST + 1sec
then
this message is
containing header_fields ['signer_info']
containing signer
containing type
indicating 'certificate'
and containing certificate
5.2.4.4 Check that IUT sends cert to unknown ITS-S
TP Id TP_SEC_ITSS_SND_CAM_06_01_BV
Check that ITS-S sends a Secured CAM containing the signer_info of type certificate when
Summary
the ITS-S received a CAM from an unknown ITS-S
Reference ETSI TS 103 097 [1], clause 7.1
PICS Selection PICS_GN_SECURITY
Expected behaviour
with
the IUT being in the 'authorized' state
and the IUT is configured to send more than one CAM per second
and the IUT having already sent CAM at TIME_1
containing header_fields['signer_info'].signer.type
indicating 'certificate'
and the IUT having received a SecuredMessage
at TIME_2 (TIME_1 < TIME_2 < TIME_1+1sec)
and containing header_fields['signer_info']
containing signer
containing type
indicating 'certificate_digest_with_sha256'
and containing digest
indicating HashedId3 value
referencing an unknown certificate
ensure that
when
the IUT is requested to send CAM
at TIME_3 (TIME_1 < TIME_2 < TIME_3 < TIME_1 + 1sec)
then
the IUT sends a SecuredMessage
and containing header_fields[0]
containing type
indicating 'signer_info'
and containing signer
containing type
indicating 'certificate'
and containin
...