Cryptographical pseudo-random number generation apparatus...

Details Cryptographical pseudo-random number generation apparatus... Cryptographical pseudo-random number generation apparatus...

2007-08-14

2007-08-14

Zand, Kambiz (Department: 2134)

Cryptography

Particular algorithmic function encoding

C380S046000, C380S037000

Reexamination Certificate

active

10610536

ABSTRACT:
Natural numbers c, o, and a, and p-bit bit strings w1and w2are inputted. w1and w2are stored in an internal status storage unit and a generator storage unit respectively. The value g of p bits stored in the internal status storage unit is defined as a generator. The value of high order bits of the p bits stored in the internal status storage unit is defined as s. Then, gsrepresented by p bits is calculated, stored in the internal status storage unit, and high order o bits of the stored p bits are output. The series of processes are repeated a times, and a pseudo-random numbers are generated. Thus, pseudo-random numbers whose security has been mathematically guaranteed can be quickly generated.

REFERENCES:
patent: 5412729 (1995-05-01), Liu
patent: 6097815 (2000-08-01), Shimada

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