Multiple-destinational cryptosystem for broadcast networks

Details Multiple-destinational cryptosystem for broadcast networks Multiple-destinational cryptosystem for broadcast networks

1979-06-05

1982-12-21

Cangialosi, Sal

Telegraphy

Systems

Printing

178 2209, 178 2217, 370 10, 370112, H04L 900

Patent

active

043651100

ABSTRACT:
A method of protecting communications through encryption is disclosed which is particularly useful for multiplexed communications. On the transmit side, each message is multiplied by an enciphering key corresponding to its destination, and the products are all added together to form a cryptogram. Each receiving station divides the entire cryptogram by its own deciphering key to obtain the message intended for that station.

REFERENCES:
patent: 3204035 (1965-08-01), Balbard et al.
patent: 3384715 (1968-05-01), Higuchi et al.
patent: 3488445 (1970-01-01), Chang
patent: 3510595 (1970-05-01), Gutteber
patent: 3715508 (1973-02-01), Blasbalg

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