Methods and apparatus for controlling access to information proc

Cryptography – Cryptanalysis

Patent

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380 25, 364200, H04L 900, H04K 100

Patent

active

049072684

ABSTRACT:
Method and apparatus are disclosed for controlling access to information borne by information records installed in information recorders, which information recorders constitute a part of at least one digital computer system. The digital computer system is an unmodified general purpose digital computer, and each authorized accessant is supplied with an access control kit including a password issuing device and a record adapted to be installed in one of the recorders of that digital computer system.

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patent: 4800590 (1989-01-01), Vaughan

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