Method of generating secret identification numbers

Details Method of generating secret identification numbers Method of generating secret identification numbers

1996-04-19

1998-05-26

Cain, David C.

Cryptography

Key management

Having particular key generator

364717, H04L 900

Patent

active

057579237

ABSTRACT:
The present invention teaches a method of generating a secret identification number from a random digital data stream. The method comprises the step of initially selecting a first and a second group of bytes from the random digital data stream, wherein the first and second groups of bytes have a first and second numerical value. Subsequently, a first maximal length LFSR feedback term is looked up from a list in response to said first numerical value, while a second maximal length LFSR feedback term is looked up from the list in response to said second numerical value. The method additionally comprises the step of generating a cyclic redundancy code feedback term in response to executing a cyclic redundancy code check on a third group of bytes selected from the random digital data stream. Moreover, the method comprises the step of forming the secret identification number from the first and second maximal length LFSR feedback terms, the cyclic redundancy code feedback term, and a fourth group of bytes from the random digital data stream.

REFERENCES:
patent: 4424414 (1984-01-01), Hellman et al.
patent: 4853884 (1989-08-01), Brown et al.
patent: 5048086 (1991-09-01), Bianco et al.
patent: 5363448 (1994-11-01), Koopman, Jr. et al.
patent: 5398284 (1995-03-01), Koopman, Jr. et al.
patent: 5434806 (1995-07-01), Hofverberg

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