Cryptography – Communication system using cryptography – Data stream/substitution enciphering
Patent
1995-02-02
1995-10-03
Swann, Tod R.
Cryptography
Communication system using cryptography
Data stream/substitution enciphering
380 50, 34082544, H04K 100
Patent
active
054558646
ABSTRACT:
A method and apparatus for paging message encryption and decryption is shown and described. Paging messages may be encrypted at their source or by the paging system and delivered by radio signal in secure fashion to a paging system for delivery to a remote radio signal receiving paging device. Advantageously, certain paging device hardware and software resources are used to both detect transmission errors and to decrypt paging messages.
REFERENCES:
patent: 4783654 (1988-11-01), Ichikawa
patent: 5150954 (1992-09-01), Hoff
patent: 5283832 (1994-02-01), Lockart, Jr. et al.
Galbi Elmer
Seiko Communications Holdings N.V.
Swann Tod R.
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