Cipher communication method and device

Details Cipher communication method and device Cipher communication method and device

1995-07-06

1997-03-18

Gregory, Bernarr E.

Cryptography

Particular algorithmic function encoding

380 9, 380 18, 380 21, 380 44, 380 46, 380 48, 380 49, H04L 928, H04L 900

Patent

active

056130058

ABSTRACT:
Self-synchronizing encryption/decoding circuits are provided with a plurality of irreducible polynomials. An irreducible polynomial to be used in encryption between sending and receiving stations is selected prior to cipher communication. On the sending side, the selected irreducible polynomial is used to encrypt communication information to be transmitted. On the receiving side, the selected irreducible polynomial is used to decrypt communication information that is received. Use of an irreducible polynomial as a key provides a simple structure which eliminates the effects of missing data and enables encryption and decoding with communication lines on which gaps readily occur in the data being communicated.

REFERENCES:
patent: 4797921 (1989-01-01), Shiraishi
patent: 5257311 (1993-10-01), Naito et al.
patent: 5345507 (1994-09-01), Herzberg et al.

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