Method for two-way public key authentication and key...

Details Method for two-way public key authentication and key... Method for two-way public key authentication and key...

H - Electricity

04

L

H04L 9/30 (2006.01) H04L 9/08 (2006.01) H04L 9/32 (2006.01) H04L 29/06 (2006.01)

Patent

CA 2157011

A method for achieving mutual authentication and session key agreement between a first party (12) that has a minimal computational resources and a second party (18) that has substantial resources uses a modular square root operation for certificate authentication and key distribution and an ELGamal, NIST DSS, or other efficient signature operation for obtaining the signature of a message. The second party (18) is connected to a switching system (23) in a central office (22).

L'invention est une méthode permettant de conclure une entente sur des clés d'authentification et de session entre une première partie (12) dont les ressources de calcul sont minimales et une seconde partie (18) qui dispose de ressources substantielles, cette méthode utilisant l'extraction d'une racine carrée pour l'authentification des certificats et la distribution des clés, et une opération efficace du type ELGamal, NIST DSS ou autre pour obtenir la signature d'un message. La deuxième partie (18) est connectée au système de commutation (23) d'un central téléphonique (22).

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