Method and apparatus for recording of encrypted digital data

Details Method and apparatus for recording of encrypted digital data Method and apparatus for recording of encrypted digital data

2007-07-03

2007-07-03

Moazzami, Nasser (Department: 2136)

Cryptography

Video cryptography

Video electric signal modification

C380S230000, C380S239000

Reexamination Certificate

active

09622137

ABSTRACT:
A method relating to recording transmitted digital data in which transmitted digital information is encrypted by a recording encryption key. The recording encryption key is stored by a recording means on a recording support medium. Further, the recording encryption key is characterized in that an equivalent of the recording encryption key is encrypted by a recording transport key, which is also stored on the support medium with the encrypted information.

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French to English translation of document FR 2,732,537 A, performed by FLS, INC.

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