Pseudo-random generator

Details Pseudo-random generator Pseudo-random generator

1995-11-27

1998-03-10

Cain, David C.

Cryptography

Key management

Having particular key generator

364717, 36422421, H04L 900

Patent

active

057270635

ABSTRACT:
Methodology and concomitant circuitry to generate cryptographically strong pseudo-random bit streams utilize secure block cypher encoders. Each block cypher encoder has a random key and a first seed as an input, and the output of each encoder is fed back to connect to its input. The first seed serves as the initial input, and each subsequent input is the immediate output of the block cypher encoder. Each bit in the cryptographically strong pseudo-random bit stream is related to a first inner product between input to the block cypher encoder and a second seed and a second inner product between the random key and a third seed.

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Data Encryption Standard (DES), pub. National Bureau of Standards, Department of Commerce, FIPS, pub 46, Jan. 1977.

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