view libtomcrypt/src/misc/mpi/is_prime.c @ 400:a5bca950120d channel-fix

merge of '1dfbc5ef92391d01b576c8506061927869a89887' and '275426b7a4b94a0507c78327f86bcd2cd0b0f985'
author Matt Johnston <matt@ucc.asn.au>
date Sat, 03 Feb 2007 08:20:45 +0000
parents 1b9e69c058d2
children
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/* LibTomCrypt, modular cryptographic library -- Tom St Denis
 *
 * LibTomCrypt is a library that provides various cryptographic
 * algorithms in a highly modular and flexible manner.
 *
 * The library is free for all purposes without any express
 * guarantee it works.
 *
 * Tom St Denis, [email protected], http://libtomcrypt.org
 */
#include "tomcrypt.h"

/**
  @file is_prime.c
  Determines if integer is prime for LTC, Tom St Denis
*/  

#ifdef MPI

/* figures out if a number is prime (MR test) */
int is_prime(mp_int *N, int *result)
{
   int err;
   LTC_ARGCHK(N != NULL);
   LTC_ARGCHK(result != NULL);
   if ((err = mp_prime_is_prime(N, mp_prime_rabin_miller_trials(mp_count_bits(N)), result)) != MP_OKAY) {
      return mpi_to_ltc_error(err);
   }
   return CRYPT_OK;
}

#endif

/* $Source: /cvs/libtom/libtomcrypt/src/misc/mpi/is_prime.c,v $ */
/* $Revision: 1.3 $ */
/* $Date: 2005/05/05 14:35:59 $ */