Method and apparatus for increasing the speed at which computer

Details Method and apparatus for increasing the speed at which computer Method and apparatus for increasing the speed at which computer

1992-03-30

1996-03-26

Nguyen, Hoa T.

Cryptography

Key management

Having particular key generator

39518301, 395186, 380 4, G06F 1100, G06F 1130

Patent

active

055028152

ABSTRACT:
The method and apparatus for increasing the speed at which computer viruses are detected stores initial state information concerning the file or volume which is being examined for a virus. This information is stored in a cache in a non-volatile storage medium and when files are subsequently scanned for viruses, the current state information is compared to the initial state information stored in the cache. If the initial state information differs from the current state information then the file or volume is scanned for viruses which change the state information of the file or volume. If the initial state information and current state information is the same then the file or volume is scanned for a subset of viruses which do not change the state information.

REFERENCES:
patent: 5121345 (1992-06-01), Lentz
patent: 5278901 (1994-01-01), Shieh et al.
Hirst, "Getting in side PC Viruses", Tech. PC User Journal vol.: VI, Issue: N9, p. 22(5), Published May 1989.

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