Disk anti-copy system, method and its device

Details Disk anti-copy system, method and its device Disk anti-copy system, method and its device

2007-01-09

2007-01-09

Barron, Gilberto (Department: 2132)

Electrical computers and digital processing systems: support

Data processing protection using cryptography

By stored data protection

C380S201000, C380S277000, C380S281000, C713S189000, C713S171000

Reexamination Certificate

active

10315135

ABSTRACT:
A disk anti-copy system. An encrypted anti-copy mechanism with a device key table (Kd Table) prepared in a device and a fixed encryption processed media key block (MKB) pre-recorded in a disk is established. Only through the appropriate fixed encryption process between the key and the MKB can the device correctly read the disk. This controls the device and prevents disks from being copied. Moreover, the invention provides a method and device for preventing disks from being copied.

REFERENCES:
patent: 6883097 (2005-04-01), Lotspiech et al.
patent: 6993135 (2006-01-01), Ishibashi
patent: 2001/0021255 (2001-09-01), Ishibashi
patent: 2003/0198351 (2003-10-01), Foster et al.

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