System and method for generating reproducible session keys

Details System and method for generating reproducible session keys System and method for generating reproducible session keys

H - Electricity

04

L

H04L 9/28 (2006.01) H04L 9/30 (2006.01)

Patent

CA 2540720

A system and method for generating reproducible session keys in a wireless messaging system. The session key is generated based on a hash of a message itself, optionally concatenated with additional information. Since the local server stores the message, it can easily regenerate the same session key in response to each MORE request. The method of the invention can be implemented with the stored original message, a public key, and an algorithm for generating the session key based on a hash of the message.

L'invention concerne un système et un procédé de génération de clés de session reproductibles dans un système de messagerie sans fil. Ladite clé de session est engendrée à partir d'un hachage d'un message, facultativement concaténée avec des informations supplémentaires. Comme ledit serveur local sert à stocker le message, il peut facilement engendrer la même clé de session en réponse à chaque demande <= MORE >=. Le procédé de cette invention peut êtreimplémenté avec le message d'origine stocké, une clé publique et un algorithme de génération de la clé de session en fonction d'un hachage du message.

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