System for processing coded information

Details System for processing coded information System for processing coded information

1987-12-11

1989-04-18

Cangialosi, Salvatore

Cryptography

Key management

Having particular key generator

380 16, 380 20, B04K 100

Patent

active

048233854

ABSTRACT:
A system for processing coded information is disclosed. A receiver receives coded information from a source. The receiver is equipped with a decoder and a real time clock. The coded information is decoded only when the time signal from the real time clock is within a given time interval. The coded information contains a source time signal and a time interval signal. A means for comparing the source time signal with the real time signal determines if the real time is within the time interval, and, if it is, a means for decoding will decode the coded information.

REFERENCES:
patent: 4325078 (1982-04-01), Seaton et al.
patent: 4471163 (1984-09-01), Donald et al.
patent: 4599489 (1986-07-01), Cargile
patent: 4613901 (1986-09-01), Gilhousen et al.
patent: 4644493 (1987-02-01), Chandra et al.
patent: 4739510 (1988-04-01), Jeffers et al.

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