Circuit for calculating the inverse of an arbitrary element of a

Details Circuit for calculating the inverse of an arbitrary element of a Circuit for calculating the inverse of an arbitrary element of a

1998-06-18

2000-10-24

Mai, Tan V.

Electrical computers: arithmetic processing and calculating

Electrical digital calculating computer

Particular function performed

G06F 700

Patent

active

061381330

ABSTRACT:
A combinational logic type inversion circuit for calculating the inverse of an arbitrary element .alpha..sup.i in a finite field, includes a power and multiplication circuit for calculating a primitive element .alpha..sup.i raised to the (2.sup.1)-th power through a primitive element .alpha..sup.i raised to the (2.sup.m-1)-th power and multiplying all of the primitive elements .alpha..sup.i raised to the (2.sup.1)-th power through .alpha..sup.i raised to the (2.sup.m-1)-th power together to generate an output M.sub.OUT, and a divider circuit for dividing the output M.sub.OUT of the power and multiplication circuit by the primitive element .alpha. raised to the (2.sup.m -1)-th power.

REFERENCES:
patent: 4975867 (1990-12-01), Weng
patent: 5379243 (1995-01-01), Greenberger et al.
patent: 5467297 (1995-11-01), Zook

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