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D.12.2.40 inverse_modulus

Procedure from library crypto.lib (see crypto_lib).

Usage:
inverse_modulus(num, mod1)

Return:
inverse element of num modulo mod1

Example:
 
LIB "crypto.lib";
ring r = 0,x,lp;
int mod1 = 13;
int num = 5;
inverse_modulus(num,mod1);
==> 8

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