Method of improving security in electronic transactions

G - Physics – 07 – F

Patent

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Details

G07F 19/00 (2006.01) G06Q 20/00 (2006.01)

Patent

CA 2343805

A computerized method (10) is provided which improves data security in electronic transactions in an insecure network (12). This is accomplished when the method (10) operates on a user (18) which has established a commercial relationship with a trusted third party broker (22), and merchants (20a - 20d). The method utilizes network links (14, 24) between (a) the trusted third party broker and the user and (b) the trusted third party broker and the merchants. Protocols are selected to operate between each network link, the selection being made, at least in part, on the basis of the computer resources which may be expected to be available in each network link.

Cette invention a trait à un procédé informatisé (10) permettant de renforcer la sécurité des données dans une transaction électronique s'effectuant dans un réseau non sécurisé (12). Ce renforcement de la sécurité est rendu possible par la mise en oeuvre de cette méthode (10) chez un utilisateur (18) ayant établi des relations commerciales avec un courtier tiers de confiance (22) et des négociants (20a-20d). Il est utilisé, dans le cadre de cette méthode, les liens de réseau (14, 24) existant entre, (a), le courtier de confiance et l'utilisateur et, (b), entre ce courtier et les négociants. Des protocoles sont choisis qui interviendront entre chaque lien de réseau, ce choix s'opérant, au moins en partie, en fonction des ressources informatiques dont on escompte la disponibilité dans chaque lien de réseau.

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