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.
10.3. VU Authentication U.K.
CSM_170 [Next to the card challenge, the VU shall include in the signature the certificate holder reference taken from the card certificate.] U.K.
Note: This ensures that the card to which the VU authenticates itself is the same card whose certificate chain the VU has verified previously.U.K.