Authentication of a user across communication sessions

Details Authentication of a user across communication sessions Authentication of a user across communication sessions

H - Electricity

04

L

H04L 29/06 (2006.01) G06F 1/00 (2006.01) G06F 21/00 (2006.01)

Patent

CA 2450154

The invention relates to an apparatus and for facilitating the reauthentication of a user using a client computer to a serer computer. In one embodiment, the method includes the steps of receiving, by the server, confidential information during a first communication session between the server and a client, encrypting the confidential information with a key to create encrypted confidential information, and storing the encrypted confidential information in the server's memory. The method also includes the steps of transmitting, by the server, the key to the client and deleting, by the server, the key from the server's memory. When the server receives the key from the client during a second communication session, the server uses the key to decrypt the encrypted confidential information.

L'invention porte sur un appareil et un procédé de réauthentication de l'utilisateur d'un ordinateur client par un ordinateur serveur. Dans une exécution le procédé comporte la réception par le serveur d'informations confidentielles pendant une première session de communication entre le serveur et le client, et le stockage dans la mémoire du serveur des informations confidentielles sous forme codée. Le procédé comporte également la transmission par le serveur au client du code, et l'effacement du code de la mémoire du serveur. Quand lors d'une deuxième session de communication le serveur a reçu du client le code, il l'utilise pour décrypter les informations confidentielles codées.

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