Method and apparatus for protecting data using lock values in a

Details Method and apparatus for protecting data using lock values in a Method and apparatus for protecting data using lock values in a

1998-10-14

2000-03-21

Geckil, Mehmet B.

Electrical computers and digital data processing systems: input/

Access locking

710 36, G06F 1300

Patent

active

060413859

ABSTRACT:
A method and apparatus for protecting data using lock values in a computer system includes indicating that the computer system does not support locked accesses to the data. However, upon receipt of a request to write to the storage area where the data is contained, the present invention checks whether a lock value corresponding to the request matches a predetermined lock value. If the lock value matches the predetermined lock value, then the data is written to the storage area; otherwise, the storage area is left unmodified.

REFERENCES:
patent: 5557674 (1996-09-01), Yeow
patent: 5613139 (1997-03-01), Brady
patent: 5623673 (1997-04-01), Gephardt et al.
patent: 5852736 (1998-12-01), Shipman et al.
"Desktop Management BIOS Specification," American Megatrends, Inc., et al., Sep. 27, 1995, pp. 1-53.
"Desktop Management Interface Specification," Digital Equipment Corp., et al., Mar. 5, 1993, 40 pgs.

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