Files
dropbear/is_prime.c
Matt Johnston c9bcca21e4 Branch renaming
--HG--
branch : libtomcrypt-orig
extra : convert_revision : 1626dca9b669f35fc7b143ba5133a7ea90a191d3
2004-05-31 18:25:41 +00:00

28 lines
699 B
C

/* 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, tomstdenis@iahu.ca, http://libtomcrypt.org
*/
#include "mycrypt.h"
#ifdef MPI
/* figures out if a number is prime (MR test) */
int is_prime(mp_int *N, int *result)
{
int err;
_ARGCHK(N != NULL);
_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