Patents for H04L 9 - Arrangements for secret or secure communication (111,914)
06/1977
06/28/1977US4032763 Production of pseudo-random binary signal sequences
01/1977
01/18/1977US4004089 Programmable cryptic device for enciphering and deciphering data
10/1976
10/05/1976US3984668 Method for generating pseudo-random bit sequence words and a device for carrying out the method
10/05/1976US3984637 Computer terminal security system
09/1976
09/28/1976US3983326 Key pulse generator for secrecy signalling circuit
07/1976
07/20/1976US3970790 Method and device for the coded transmission of messages
07/06/1976US3968454 Signaling circuit
06/1976
06/22/1976US3965297 Secret communication signal generating system
06/08/1976US3962539 Product block cipher system for data security
05/1976
05/18/1976US3958081 Block cipher system for data security
05/11/1976US3956615 Transaction execution system with secure data storage and communications
04/1976
04/13/1976US3950616 Alignment of bytes in a digital data bit stream
04/06/1976US3949296 Code and generating means for avionics communciations synthesizer
01/1976
01/20/1976US3934078 Key generating system