Content data encryption methodology, medium and apparatus...

Details Content data encryption methodology, medium and apparatus... Content data encryption methodology, medium and apparatus...

2006-11-28

2006-11-28

Young, Wayne (Department: 2627)

Dynamic information storage or retrieval

Condition indicating, monitoring, or testing

Including radiation storage or retrieval

Reexamination Certificate

active

07142494

ABSTRACT:
The present invention is a recording medium comprising a lead-in area, a data record area for recording encrypted content data, and a lead-out area, wherein key information for decrypting the encrypted content data is recorded in at least one of the lead-in area and the lead-out area and the program area.

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