BIOS lock encode/decode driver

Details BIOS lock encode/decode driver BIOS lock encode/decode driver

2007-05-29

2007-05-29

Zand, Kambiz (Department: 2132)

Information security

Prevention of unauthorized use of data including prevention...

Access control

C713S002000, C713S167000, C713S193000

Reexamination Certificate

active

11190420

ABSTRACT:
Systems and methods for preventing the unauthorized access to data stored on removable media, such as software, include storing a predetermined signature in the area of non-volatile memory in a computer system. Upon initialization of the computer system, a check is made to verify the signature. Only if the signature is verified will decoding software operate.

REFERENCES:
patent: 6175925 (2001-01-01), Nardone et al.
patent: 6625730 (2003-09-01), Angelo et al.
patent: 6983372 (2006-01-01), Allen

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