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Commission Implementing Regulation (EU) 2016/799Show full title
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)
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- Revised 26/02/202011.25 MB
- Revised 17/04/201810.62 MB
- Revised 26/05/20169.89 MB
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2.CRYPTOGRAPHIC SYSTEMS AND ALGORITHMS
2.1. Cryptographic systems
CSM_001Vehicle units and tachograph cards shall use a classical RSA public-key cryptographic system to provide the following security mechanisms:
authentication between vehicle units and cards,
transport of Triple-DES session keys between vehicle units and tachograph cards,
digital signature of data downloaded from vehicle units or tachograph cards to external media.
CSM_002Vehicle units and tachograph cards shall use a Triple DES symmetric cryptographic system to provide a mechanism for data integrity during user data exchange between vehicle units and tachograph cards, and to provide, where applicable, confidentiality of data exchange between vehicle units and tachograph cards.
2.2. Cryptographic algorithms
2.2.1 RSA algorithm
CSM_003The RSA algorithm is fully defined by the following relations:
X.SK[m] = s = md mod n
X.PK[s] = m = se mod n
A more comprehensive description of the RSA function can be found in reference [PKCS1]. Public exponent, e, for RSA calculations is an integer between 3 and n-1 satisfying gcd(e, lcm(p-1, q-1))=1.
2.2.2 Hash algorithm
CSM_004The digital signature mechanisms shall use the SHA-1 hash algorithm as defined in reference [SHA-1].
2.2.3 Data Encryption Algorithm
CSM_005DES based algorithms shall be used in Cipher Block Chaining mode of operation.
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