Key negotiation and management for third party access to a...

Details Key negotiation and management for third party access to a... Key negotiation and management for third party access to a...

2011-07-05

2011-07-05

Revak, Christopher A (Department: 2431)

Electrical computers and digital processing systems: support

Multiple computer communication using cryptography

Particular communication authentication technique

C726S014000, C380S279000, C380S283000, C713S169000

Reexamination Certificate

active

07975140

ABSTRACT:
Described are a method and system for establishing a secure communication session with third-party access at a later time. A first communication subsession is established between two original devices using a first key generated by a two-party key and security association protocol. At least one of the original devices is established as a group key server. A request from a joining device to join the secure communication session is received and a second communication subsession is established between the original devices using a second key generated by the two-party key and security association protocol. The second key is provided to the joining device to enable participation in the second communication subsession.

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