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.

3.5.11.1 Generation 1 Command — Response pair U.K.

TCS_106 Command Message U.K.

Byte	Length	Value	Description
CLA	1	‘00h’	CLA
INS	1	‘22h’	INS
P1	1	‘C1h’	P1: referenced key valid for all cryptographic operations
P2	1	‘B6h’	P2 (referenced data concerning Digital Signature)
Lc	1	‘0Ah’	Lc: length of subsequent data field
#6	1	‘83h’	Tag for referencing a public key in asymmetric cases
#7	1	‘08h’	Length of the key reference (key identifier)
#8-#15	8	‘XX..XXh’	Key identifier as specified in Appendix 11