Data authentication

Details Data authentication Data authentication

2007-03-20

2007-03-20

Barron, Gilberto (Department: 2132)

Electrical computers and digital processing systems: support

Data processing protection using cryptography

By stored data protection

C713S189000, C380S201000, C380S203000, C380S028000, C705S051000, C705S057000, C705S058000, C705S059000

Reexamination Certificate

active

10120140

ABSTRACT:
A storage medium carrying data content has an electronically readable modification-resistant identifier for distinguishing that medium from other storage media. The medium stores a digital signature associated with a data content portion carried by the storage medium. The identifier read from the storage medium generates the digital signature. The identifier and digital signature enable verification of storage of the data content on an authorised storage medium in an authorised manner.

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US 5,805,511, 09/1998, Oshima et al. (withdrawn)

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