Arrangement of and method for secure data transmission

Details Arrangement of and method for secure data transmission Arrangement of and method for secure data transmission

H - Electricity

04

L

H04L 29/06 (2006.01) H04L 12/22 (2006.01)

Patent

CA 2649305

A method of and system for secure data transmission between a client (2(n)) and a third party computer arrangement (2(n'); 6), including: a) authent icat ing a user of the client (2(n)) by a security server (4) via a communicat ion session; b) making available a key pair (PuK1, PrK1) by the security server (4), the key pair including a public key (PuK1) and a private key (PrK1); c) performing the secure data transmission between the client (2(n)) and the third 10 party computer arrangement (2(n'); 6) while using the key pair (PuK1, PrK1); the key pair having a limited life time defined by: a predetermined duration in time, or a predetermined number of communication sessions, or a predetermined number of actions.

L'invention concerne un procédé et un système de transmission de données protégées entre un client (2(n)) et un ordinateur tiers (2(n'); 6) consistant : à authentifier un utilisateur du client (2(n)) au moyen d'un serveur de sécurité (4) via une session de communication; b) à rendre disponible une paire de clés (PuK1, PrK1) au moyen du serveur de sécurité (4), la paire de clés comprenant une clé publique (PuK1) et une clé privée (PrK1); c) à exécuter la transmission de données protégées entre le client (2(n)) et le système informatique tiers (2(n'); 6) tout en utilisant la paire de clés, laquelle a une durée de vie limitée définie par : ~ une durée prédéterminée ou ~ un nombre prédéterminé de sessions de communication ou ~ un nombre prédéterminé d'actions.

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