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)

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

Appendix 2

TACHOGRAPH CARDS SPECIFICATION U.K.

3. HARDWARE AND COMMUNICATION U.K.

3.5. Command descriptions U.K.

3.5.11 MANAGE SECURITY ENVIRONMENT U.K.

3.5.11.2 Generation 2 Command — Response pairs U.K.

3.5.11.2.1 MSE:SET AT for Chip Authentication U.K.

The following MSE:SET AT command is used to select the parameters for the Chip Authentication that is performed by a subsequent General Authenticate command.

TCS_108 The command can be performed in the MF, DF Tachograph and DF Tachograph_G2, see also TCS_34. U.K.

TCS_109 MSE:SET AT Command Message for Chip Authentication U.K.

Byte	Length	Value	Description
CLA	1	‘00h’
INS	1	‘22h’
P1	1	‘41h’	Set for internal authentication
P2	1	‘A4h’	Authentication
Lc	1	‘NNh’	Lc: length of subsequent data field
#6-#(5+L)	L	‘80h’ + ‘0Ah’ + ‘XX..XXh’	DER-TLV encoded cryptographic mechanism reference: Object Identifier of Chip Authentication (value only, Tag ‘06h’ is omitted). See Appendix 1 for the values of object identifiers; the byte notation shall be used. See Appendix 11 for guidance on how to select one of these object identifiers.