Method and apparatus for recording information including...

Details Method and apparatus for recording information including... Method and apparatus for recording information including...

2002-09-09

2008-05-13

Moise, Emmanuel L. (Department: 2137)

Cryptography

Key management

Key distribution

C369S116000, C705S055000, C713S176000, C380S277000

Reexamination Certificate

active

07372964

ABSTRACT:
An information recording method for recording content information in a recording medium having at least re-readable area, comprising converting, based on a first conversion rule φ1, first information including a first component for obtaining content control information, converting, based on a second conversion rule φ2, second information including a second component for obtaining the first information, and writing the converted first information and the converted second information into the re-recordable area of the recording medium.

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