Pseudo-random generator
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United States of America Patent
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Mar 10, 1998
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N/A
app pub date -
Nov 27, 1995
filing date -
Nov 27, 1995
priority date (Note) -
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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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