Method for maintaining data processing system securing

Details Method for maintaining data processing system securing Method for maintaining data processing system securing

1987-06-17

1989-07-04

Chan, Eddie P.

Excavating

371 57, 364200, 3642864, G06F 0702, G06F 1128

Patent

active

048457159

ABSTRACT:
A method of maintaining software program integrity and security in data processing systems through generation of a stored first selective electronic identification indicia that is uniquely characteristic of the total number of binary 1's and binary 0's of a software program in association with a stored plurality of selective third electronic indicia that individually identify authorized users of such program and generating a second electronic identifying indicia in response to a request by a prospective user for access to said program and releasing such requested program only when the first and second electronic identifying indicia are identical and when the requesting user's identification indicia corresponds with one of said third stored electronic indicia.

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patent: 4458315 (1984-07-01), Uchenick
patent: 4519077 (1985-05-01), Amin
patent: 4558416 (1985-12-01), Pauweels et al.

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