Secure serial number

Details Secure serial number Secure serial number

2011-08-16

2011-08-16

Pyzocha, Michael (Department: 2437)

Electrical computers and digital processing systems: support

Multiple computer communication using cryptography

Particular communication authentication technique

C713S185000, C726S026000, C726S030000

Reexamination Certificate

active

08001383

ABSTRACT:
A serial number for a software product is secured with an authenticator value. The authenticator value and the serial number are evaluated entirely by a remote authentication server such that no cryptographic authentication occurs on a local computer on which the software product is being installed. An abbreviated portion of the authenticator value is used for offline authentication.

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