METHOD TO GENERATE CODING/DECODING KEY Russian patent published in 2013 - IPC H04L9/00 

FIELD: radio engineering, communication.

SUBSTANCE: method of K generation provides for simultaneous generation of a source sequence at the side of the 1st correspondent of the communication network and preliminary sequences at the sides of the 2nd and 3rd correspondents, at the same time a code word generated by the 1st correspondent of the communication network is simultaneously sent along communication channels with independent errors to the 2nd and 3rd correspondents of the communication network, accordingly, a binary symbol of acknowledgment generated by the 2nd correspondent of the communication network is sent along the communication channels without errors accordingly to the 1st and 3rd correspondents of the communication network, similarly a binary acknowledgement symbol generated by the 3rd correspondent of the communication network is sent. Then the source sequence is coded, a unit of testing symbols is identified from it and simultaneously transferred along direct communication channels without errors to the 2nd and 3rd correspondents, simultaneously decoded sequences are generated by the 2nd and 3rd correspondents, and the K is simultaneously generated by all correspondents of the communication network.

EFFECT: reduced time for K generation for a communication network comprising three correspondents.

11 cl, 43 dwg, 4 app