Electrical computers and digital processing systems: support – Data processing protection using cryptography – Tamper resistant
Reexamination Certificate
2008-07-01
2008-07-01
Revak, Christopher (Department: 2131)
Electrical computers and digital processing systems: support
Data processing protection using cryptography
Tamper resistant
C713S179000, C726S029000, C705S056000
Reexamination Certificate
active
10123303
ABSTRACT:
A device renders content on a medium by obtaining a table from the medium, obtaining a device key (DK) of the device and an index value of such (DK), indexing into an entry of the table based on the obtained index value, selecting an encrypted secret from the indexed-into entry, applying the obtained device key (DK) to the selected encrypted secret to expose the secret, and applying the exposed secret to render the content.
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Helin Jonas Fredrik
Parks M. Jay
Peinado Marcus
Strom Clifford P.
Revak Christopher
Woodcock & Washburn LLP
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