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comparison is_prime.c @ 0:d7da3b1e1540 libtomcrypt

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put back the 0.95 makefile which was inadvertently merged over
author Matt Johnston <matt@ucc.asn.au>
date Mon, 31 May 2004 18:21:40 +0000
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-1:000000000000 0:d7da3b1e1540
1 /* LibTomCrypt, modular cryptographic library -- Tom St Denis
2 *
3 * LibTomCrypt is a library that provides various cryptographic
4 * algorithms in a highly modular and flexible manner.
5 *
6 * The library is free for all purposes without any express
7 * guarantee it works.
8 *
9 * Tom St Denis, [email protected], http://libtomcrypt.org
10 */
11 #include "mycrypt.h"
12
13 #ifdef MPI
14
15 /* figures out if a number is prime (MR test) */
16 int is_prime(mp_int *N, int *result)
17 {
18 int err;
19 _ARGCHK(N != NULL);
20 _ARGCHK(result != NULL);
21 if ((err = mp_prime_is_prime(N, mp_prime_rabin_miller_trials(mp_count_bits(N)), result)) != MP_OKAY) {
22 return mpi_to_ltc_error(err);
23 }
24 return CRYPT_OK;
25 }
26
27 #endif