System and method for establishing trust without revealing...

Details System and method for establishing trust without revealing... System and method for establishing trust without revealing...

2007-01-11

2008-11-18

Peeso, Thomas R (Department: 2132)

Electrical computers and digital processing systems: support

Multiple computer communication using cryptography

Packet header designating cryptographically protected data

C713S164000, C713S176000, C713S182000

Reexamination Certificate

active

07454611

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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