Encryption key entry method in a microcomputer-based encryption

Details Encryption key entry method in a microcomputer-based encryption Encryption key entry method in a microcomputer-based encryption

1988-12-09

1991-05-14

Buczinski, Stephen C.

Cryptography

Key management

Having particular key generator

380 24, 380 25, 380 50, H04L 902, H04K 100

Patent

active

050162772

ABSTRACT:
An improved multi-channel data encryption system is described. The multi-channel data encryption device of the present invention includes a plurality of data of encryption devices in a single unit wherein each of the data encryption devices are adapted for independent operation. The plurality of data encryption devices are coupled with a data bus wherein encryption key information may be programmed in the plurality of data encryption devices through the data bus. The present invention provides a means for assigning the data encryption devices to predefined groups wherein encryption key information may be simultaneously programmed into encryption devices within the assigned groups, thus eliminating the need for individually programming the data encryption devices.

REFERENCES:
patent: 4203166 (1980-05-01), Ehrsam et al.
patent: 4386234 (1983-05-01), Ehrsam et al.
patent: 4500750 (1985-02-01), Elander et al.
patent: 4771459 (1988-09-01), Jansen

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