BIOS lock encode/decode driver

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

2007-03-13

2007-03-13

Perungavoor, Venkat (Department: 2132)

Electrical computers and digital processing systems: support

Data processing protection using cryptography

By stored data protection

C380S037000, C380S268000

Reexamination Certificate

active

11216208

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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