Return to genprime.h CVS log

Up to [PGP] / pgp / src

PGP 2.6.3i

/*	genprime.h - C include file for generation of large primes
		used by public-key key generation routines.

	(c) Copyright 1987 by Philip Zimmermann.  All rights reserved.
	The author assumes no liability for damages resulting from the use 
	of this software, even if the damage results from defects in this 
	software.  No warranty is expressed or implied.  

	These functions are for the generation of large prime integers and
	for other functions related to factoring and key generation for 
	many number-theoretic cryptographic algorithms, such as the NIST 
	Digital Signature Standard.

	NOTE:  This assumes previous inclusion of "mpilib.h"
*/

int randomprime(unitptr p,short nbits);
/* Makes a "random" prime p with nbits significant bits of precision. */

void mp_gcd(unitptr result,unitptr a,unitptr n);
	/* Computes greatest common divisor via Euclid's algorithm. */

void mp_inv(unitptr x,unitptr a,unitptr n);
	/* Euclid's algorithm extended to compute multiplicative inverse.
	   Computes x such that a*x mod n = 1, where 0<a<n */

This archive runs on limited infrastructure. Preserving old code on modern bandwidth. Automated agents are requested to crawl responsibly.