System for computing the multiplicative inverse of a field eleme

Details System for computing the multiplicative inverse of a field eleme System for computing the multiplicative inverse of a field eleme

1997-12-29

2000-03-28

Mai, Tan V.

Electrical computers: arithmetic processing and calculating

Electrical digital calculating computer

Particular function performed

G06F 700

Patent

active

060443898

ABSTRACT:
A system for determining the multiplicative inverse of an element of GF(2.sup.m) by raising the element to the power 2.sup.m -2. The system may raise the element .alpha..sup.j to the power 2.sup.m -2 by repeatedly multiplying the element by itself 2.sup.m -3 times. Alternatively, the system may produce the exponent 2.sup.m -2 as the sum of:

REFERENCES:
patent: 4989171 (1991-01-01), Hollmann
patent: 5689452 (1997-11-01), Cameron
patent: 5812438 (1998-09-01), Lan et al.

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