Verifying the integrity of a media key block by storing...

Details Verifying the integrity of a media key block by storing... Verifying the integrity of a media key block by storing...

2006-12-26

2006-12-26

Portka, Gary (Department: 2188)

Electrical computers and digital processing systems: memory

Storage accessing and control

Control technique

C713S193000

Reexamination Certificate

active

07155591

ABSTRACT:
A method for verifying the integrity of a media key block (MKB) by storing validation data in a validation area of a medium, such as a DVD-R or a DVD-RW. In one embodiment, validation data comprises a hash function on a media key block. In another embodiment, validation data comprises the Verification Data field of an MKB's Verify Media Key Record.

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