Method and apparatus for providing peer authentication for...

Details Method and apparatus for providing peer authentication for... Method and apparatus for providing peer authentication for...

2007-09-11

2007-09-11

Barrón, Jr., Gilberto (Department: 2132)

Electrical computers and digital processing systems: support

Multiple computer communication using cryptography

Particular communication authentication technique

C713S151000, C713S155000, C713S160000, C713S171000, C380S033000

Reexamination Certificate

active

10127342

ABSTRACT:
A protocol for use as a phase 1 authentication (and key agreement) IKE protocol, similar to IKE phase 1 authentication with public key encryption, but using the IMS AKA trust infrastructure instead of the PKI trust infrastructure. The invention thus allows an initiator (11) having a secret long-term key stored on a smart cart (11a), to authenticate a responder (12), the responder (12) having in some cases a trusted interface with a Home Subscriber Server (14) that has a copy (14a) of the initiator's long-term key (and in other cases having itself access to the initiator's long-term key). The protocol includes a Diffie-Hellman exchange, and by authenticating the initiator (11) and responder (12), the protocol authenticates the exchange.

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