Real-time software monitor and write protect controller

Details Real-time software monitor and write protect controller Real-time software monitor and write protect controller

Filed on

1984-12-03

Date issued

1987-07-28

Examiner

Zache, Raulfe B.

Patent Class

Boots, shoes, and leggings

Other Related Categories

G06F 1130

Type

Patent

Status

active

Patent number

046835326

Description

ABSTRACT:
Verification of proper operation of computer programs executing in a central processor and protection of critical data is accomplished by an independent software monitor which accepts data keys from the executing program and outputs defined legitimate codes in response thereto. Legitimate codes and selected portions of input data keys are compared to validate proper softward execution.

REFERENCES:
patent: 3814919 (1974-06-01), Repton et al.
patent: 3858182 (1974-12-01), Delagi et al.

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