Data processing system having an encryption device

Details Data processing system having an encryption device Data processing system having an encryption device

1992-06-12

1993-09-28

Gregory, Bernarr E.

Cryptography

Key management

Having particular key generator

380 4, 380 9, 380 50, H04L 900

Patent

active

052492320

ABSTRACT:
A data-processing system includes an address bus and a data bus operatively coupled to a central processing unit, main memories, and control circuits for peripheral equipment, information carried on the data bus being encrypted. An encryption and decryption device is operatively coupled between the data bus and the central processing unit, for encrypting and decrypting the information.

REFERENCES:
patent: 4004089 (1977-01-01), Richard et al.
patent: 4120030 (1978-10-01), Johnstone
patent: 4278837 (1981-07-01), Best
patent: 4573119 (1986-02-01), Westheimer et al.
patent: 4598170 (1986-07-01), Piosenka et al.
patent: 4698617 (1987-10-01), Bauer
patent: 5095525 (1992-03-01), Almgren et al.

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