Access control method and storage apparatus

Details Access control method and storage apparatus Access control method and storage apparatus

2002-10-08

2008-07-08

Truong, Thanhnga (Department: 2135)

Cryptography

Video cryptography

Copy protection or prevention

C380S201000, C705S057000, C709S203000, C709S224000, C707S793000

Reexamination Certificate

active

07397919

ABSTRACT:
An access control method controls access to a storage medium in a storage apparatus, by obtaining key data valid information which indicates whether or not a key data is valid, and enciphering data to be recorded in the storage medium using the key data only when the key data valid information is turned ON.

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