Method and system for secure processing of authentication...

Details Method and system for secure processing of authentication... Method and system for secure processing of authentication...

2006-09-07

2010-06-08

Barron, Jr., Gilberto (Department: 2432)

Cryptography

Key management

C713S171000, C380S281000, C380S284000

Reexamination Certificate

active

07734052

ABSTRACT:
A method and system for secure processing of authentication key material in an ad hoc wireless network enables secure distribution of the authentication key material between a mesh authenticator (110) and a mesh key distributor (115), which may be separated by multiple wireless links. The method includes deriving a pairwise transient key for key distribution (PTK-KD) using a mesh key holder security information element (MKHSIE). A mesh authenticator pairwise master key (PMK-MA) is then requested using a first mesh encrypted key information element (MEKIE) that includes data origin information. Using the pairwise transient key for key distribution (PTK-KD), a second mesh encrypted key information element (MEKIE) is then decrypted to obtain the mesh authenticator pairwise master key (PMK-MA).

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