Process and system for transmission of signed messages

Details Process and system for transmission of signed messages Process and system for transmission of signed messages

1981-03-12

1984-08-21

Cangialosi, Sal

Telegraphy

Systems

Printing

178 2213, 178 2216, H04L 900

Patent

active

044671393

ABSTRACT:
The transmission of signed messages occurs between a transmitter (1) and a receiver (3) connected by a transmission line system (2). The transmitter (1) and the receiver (3) respectively comprise a coding device 7 and a decoding device 11. Means 4 situated at the transmitter supply a signature SG as a function of the message M which is to be transmitted. The message associated with its signature, as well as a common key E, are transmitted by the transmitter towards the receiver after coding by means of an intrinsic key R.sub.1. Upon being received, the message M linked with its signature SG is decoded by means of an intrinsic key R.sub.2 determined at the receiver location in such manner as to establish equality between intrinsic keys R.sub.1 and R.sub.2.

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Martin Hellman, "Cryptographic Protect of Information in Communications Norks", Conf. Record of 11th Seminar on Circuits, Systems and Computers, (11/7-9/77), pp. 204-207, published by IEEE.
R. Herve, "A Portable Component for Access Control and Network Protection", Cii Honeywell Bull, (10/80).
One Way Sequence for Transaction Verification, (8/24-26/81), Konheim (II) Crypto 81 Workshop at UC Santa Barbara.

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