Commission Implementing Regulation (EU) 2016/799 of 18 March 2016 implementing Regulation (EU) No 165/2014 of the European Parliament and of the Council laying down the requirements for the construction, testing, installation, operation and repair of tachographs and their components (Text with EEA relevance) (c. 799)

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ANNEX I C U.K. Requirements for construction, testing, installation, and inspection

Appendix 11

COMMON SECURITY MECHANISMS U.K.

PART A U.K. FIRST-GENERATION TACHOGRAPH SYSTEM

5. VU-CARDS DATA TRANSFER CONFIDENTIALITY, INTEGRITY AND AUTHENTICATION MECHANISMS U.K.

5.2. Treatment of Secure Messaging errors U.K.

CSM_026 When the tachograph card recognises an SM error while interpreting a command, then the status bytes must be returned without SM. In accordance with ISO/IEC 7816-4, the following status bytes are defined to indicate SM errors: U.K.

‘66 88’

:

Verification of Cryptographic Checksum failed,

‘69 87’

:

Expected SM Data Objects missing,

‘69 88’

:

SM Data Objects incorrect.