Authentication of an object using a signature encoded in a...

Details Authentication of an object using a signature encoded in a... Authentication of an object using a signature encoded in a...

2005-01-25

2008-11-25

Nguyen, Minh Dieu (Department: 2137)

Electrical computers and digital processing systems: support

Multiple computer communication using cryptography

Particular communication authentication technique

C726S026000, C380S051000, C380S055000, C705S002000, C705S075000, C358S001140, C358S001150, C358S001180, C283S017000

Reexamination Certificate

active

07457961

ABSTRACT:
A method of authenticating an object, the method including:sensing coded data provided on or in a surface associated with the object;determining, from the sensed coded data:an identity of the object;a plurality of signature fragments, the signature being a digital signature of at least part of the identity;determining, using the plurality of signature fragments, a determined signature;generating, using the determined signature and a key, a generated identity;comparing the identity to the generated identity; and,authenticating the object using the results of the comparison.

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