Data communication method and system

Details Data communication method and system Data communication method and system

H - Electricity

04

L

H04L 9/32 (2006.01) G06F 15/00 (2006.01) H04L 9/08 (2006.01)

Patent

CA 2568797

Biological information on a user is digitalized into biometric data which is transmitted from a terminal to a server. In the server, the user is authenticated by using the biometric data. The server transmits registered data on its user and similarity information on the communication partner to the terminal. The terminal generates a secret key to be shared by the communication partner from the user similarity information calculated from the registered data and the similarity information on the communication partner. By using the secret key, an encrypted communication is performed.

Des informations biologiques sur un utilisateur sont numérisées sous la forme de données biométriques transmises d~un terminal à un serveur. Dans le serveur, l~utilisateur est authentifié à l~aide de données biométriques. Le serveur transmet les données enregistrées sur son utilisateur et les informations de similitude sur le partenaire de communication au terminal. Le terminal crée une clé secrète à partager avec le partenaire de communication à partir des informations de similitude de l~utilisateur calculées à partir des données enregistrées et des informations de similitude sur le partenaire de communication. La clé secrète permet de réaliser une communication cryptée.

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