Electrical computers and digital processing systems: support – System access control based on user identification by...
Reexamination Certificate
2007-01-16
2007-01-16
Peeso, Thomas R. (Department: 2132)
Electrical computers and digital processing systems: support
System access control based on user identification by...
C713S168000, C713S176000
Reexamination Certificate
active
10306336
ABSTRACT:
One aspect of an embodiment of the invention provides a method, system, and device to prove to a challenger that a prover device has a signature from a device manufacturer without revealing the signature to the challenger. According to one implementation, a challenger is provided with the result of a one-way function of a secret held by a prover device. An interactive proof is employed, between the prover device and the challenger, to prove to the challenger that the secret used in the one-way function has been signed by a device signature without revealing the secret or the device signature or the prover device's identity to the challenger.
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