Protected platform identity for digital signing

Details Protected platform identity for digital signing Protected platform identity for digital signing

2005-07-12

2005-07-12

Darrow, Justin T. (Department: 2132)

Electrical computers and digital processing systems: support

Multiple computer communication using cryptography

Particular communication authentication technique

C713S156000, C713S157000

Reexamination Certificate

active

06918036

ABSTRACT:
A first storage to store a platform identifier (ID). The platform ID is unique to a platform. A second storage to store an authentication identifier. The authentication identifier is provided by an authentication vendor. The authentication vendor uses the platform ID, a platform private key, and an authentication private key. A signature generator uses the platform ID and the authentication identifier to generate a digital signature.

REFERENCES:
patent: 6038322 (2000-03-01), Harkins
patent: 6122732 (2000-09-01), Ahuja
patent: 6289459 (2001-09-01), Fischer et al.
patent: 6308277 (2001-10-01), Vaeth et al.

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