Method and apparatus for detecting computer viruses through the

Details Method and apparatus for detecting computer viruses through the Method and apparatus for detecting computer viruses through the

1993-10-04

1997-07-15

Nguyen, Hoa T.

Cryptography

Key management

Having particular key generator

380 4, 395440, G06F 702

Patent

active

056490950

ABSTRACT:
A method and apparatus is provided for scanning files for computer viruses which use the length of at least one portion (such as a fork) of a file. This length information is stored in a cache. During a scan, the then current size of the file portion is compared to the length stored in the cache and if there is a size difference, the file is then scanned for viruses which can change that portion of the file's size.

REFERENCES:
patent: 5121345 (1992-06-01), Lentz
patent: 5278901 (1994-01-01), Shieh et al.
patent: 5473769 (1995-12-01), Cozza

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