Replacing blinded authentication authority

Details Replacing blinded authentication authority Replacing blinded authentication authority

2003-12-22

2011-10-11

Davis, Zachary A (Department: 2492)

Electrical computers and digital processing systems: support

Multiple computer communication using cryptography

Particular communication authentication technique

C713S178000, C726S006000, C380S277000

Reexamination Certificate

active

08037314

ABSTRACT:
A manufacturing entity provides a blinded signature to a secure device and associates a time with the blinded signature. If a signing key is compromised, the manufacturing entity provides a time of the compromise and the time associated with the blinded signature to the replacement authority.

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