G - Physics – 06 – F
Patent
G - Physics
06
F
354/227, 340/70
G06F 3/00 (2006.01) G06F 21/00 (2006.01) G07F 7/10 (2006.01)
Patent
CA 1111563
ABSTRACT Secure hardware is provided for cryptographically generating a verification pattern which is a function of a potential computer user's identity number, the potential computer user's separately entered pass- word, and a stored test pattern. The test pattern for each authorised computer user is generated at a time when the physical security of the central computer and its data can be assured, such as in a physically guarded environment with no teleprocessing facilities operating. Secure hardware for generating verifica- tion patterns during authentication processing and for generating test patterns during the secure run is disclosed which uses a variation of the host computer master key to reduce risk of compromise of total system security. The use of a variant of the host master key prevents system programmers and/or computer operators from compromising the integrity of the authentication data base by, for example, interchanging entries and/or inserting new entries.
324076
Matyas Stephen M.
Meyer Carl H.w.
International Business Machines Corporation
Kerr Alexander
LandOfFree
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