Method for establishing user authentication with composite...

Details Method for establishing user authentication with composite... Method for establishing user authentication with composite...

H - Electricity

04

L

340/70

H04L 9/00 (2006.01) H04L 9/32 (2006.01)

Patent

CA 1249865

A METHOD FOR ESTABLISHING USER AUTHENTICATION WITH COMPOSITE SESSION KEYS AMONG CRYPTOGRAPHICALLY COMMUNICATING NODES Abstract of the Invention A method for authenticating nodes/users and in protecting data flow between nodes. This is facilitated by creating a dialogue involving authenticated encryption among the nodes. During each session, a key for use in cryptographic conversion is constructed among the node participants in order to permit symmetric authentication. The key is unique to the session. A different key is generated for each and every session. The building of the session key involves sharing of a minimal amount of information among the participants in the form of combining both a random number and authentication indicia.

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