Random number generator for use in an authenticated read-only me

Details Random number generator for use in an authenticated read-only me Random number generator for use in an authenticated read-only me

1985-09-30

1987-09-15

Zache, Raulfe B.

Boots, shoes, and leggings

G06F 102

Patent

active

046944125

ABSTRACT:
A random number generator is described. The output of two relatively fast digitally controlled oscillators are exclusively ORed and gated by a counter which has a counting rate determined by a relatively slow digitally controlled oscillator. The ORed output is accumulated in the accumulator. During the inactive period of the ORed gate, the counter is preset to a value which is a function of the digital value stored in the accumulator. Further, during this inactive period, selected output lines of the accumulator are also exclusively ORed and gated to shift the accumulated value. The final value of the accumulator is generated as a random number and further provides a seed number for varying the frequency of the two relatively fast oscillators which then provide the foundation for the next random number.

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Journal of Computainal Physics, vol. 40, pp. 517-526 (1981) "A Very Fast Shift Register Sequence Random Number Generator", Kirpatrick et al.
"Fortune Wheel Process for Generating Pseudo-Random Numbers, by Thomas C. Anderson, Instruments and Control Systems, Jan., 1962, pp. 129-131.

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