Process for cryptographic code management between a first...

Details Process for cryptographic code management between a first... Process for cryptographic code management between a first...

H - Electricity

04

L

H04L 9/08 (2006.01) H04L 9/30 (2006.01)

Patent

CA 2257477

The invention relates to a process which is divided into individual modular phases. During authentication of the first computer unit (C1) and the second computer unit (C2), authentication references (AR A, AR B) are exchanged and are used in further cryptographic phases (SP, SA) thereby eliminating, also as a result of the modular structure, the need for new authentication which is actually required in each case in the other cryptographic phases (SP, SA), said authentication being also no longer performed.

Le procédé présenté est divisé en phases modulaires individuelles. Pendant une opération d'authentification de la première unité informatique (C1) et de la seconde unité informatique (C2), des références d'authentification (ARA, ARB) sont échangées, lesquelles sont utilisées dans d'autres phases crytographiques (SP, SA). Ainsi, et grâce à ladite structure modulaire, une nouvelle opération d'authentification normalement requise à chaque fois dans les autres phases crytographiques (SP, SA) n'est plus nécessaire et n'est plus exécutée.

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