IP key management mechanism with divergence barrier...

Details IP key management mechanism with divergence barrier... IP key management mechanism with divergence barrier...

2005-07-12

2005-07-12

Caldwell, Andrew (Department: 2137)

Cryptography

Communication system using cryptography

Symmetric key cryptography

C380S046000, C380S268000, C380S277000, C713S171000

Reexamination Certificate

active

06917685

ABSTRACT:
A key generator (51, 61) generates, from an IP-key (11) for entering a closed IP network (1), a set (52, 62) of session keys (53, 63) indexed for identification, an index pointer (71, 72) points an index (i, j) to identify a session key (53, 63), the set (52, 62) of session keys has a divergence barrier incorporated therein for barring a computational approach to any session key (53, 63), and an unbar data set (i, j,62) unbars the divergence barrier.

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