ANNEX I CU.K.Requirements for construction, testing, installation, and inspection
Appendix 11
COMMON SECURITY MECHANISMS U.K.
PART BU.K. SECOND-GENERATION TACHOGRAPH SYSTEM
10.VU- CARD MUTUAL AUTHENTICATION AND SECURE MESSAGINGU.K.
10.2. Mutual Certificate Chain Verification U.K.
10.2.1 Card Certificate Chain Verification by VU U.K.
CSM_157 [Vehicle units shall use the protocol depicted in Figure 4 for verifying a tachograph card’s certificate chain. For every certificate it reads from the card, the VU shall verify that the Certificate Holder Authorisation (CHA) field is correct:] U.K.
Notes to Figure 4: U.K.
—The Card.CA certificates and public keys mentioned in the figure are those for signing card certificates and it is indicated in the CAR of the Card certificate. Section 9.1.3 denotes these as MSCA_Card.U.K.