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annotate is_prime.c @ 144:7ed585a2c53b libtomcrypt

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propagate of 3f8f752126017cbe7d93c4086c27a91550df745f and 747ebf284d40a15b338e5a5c7730ecec6eade3d7 from branch 'au.asn.ucc.matt.ltc-orig' to 'au.asn.ucc.matt.ltc-db'
author Matt Johnston <matt@ucc.asn.au>
date Sun, 19 Dec 2004 11:47:33 +0000
parents d7da3b1e1540
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1 /* LibTomCrypt, modular cryptographic library -- Tom St Denis
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2 *
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3 * LibTomCrypt is a library that provides various cryptographic
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4 * algorithms in a highly modular and flexible manner.
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5 *
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6 * The library is free for all purposes without any express
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7 * guarantee it works.
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8 *
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9 * Tom St Denis, [email protected], http://libtomcrypt.org
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10 */
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11 #include "mycrypt.h"
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12
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13 #ifdef MPI
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14
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15 /* figures out if a number is prime (MR test) */
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16 int is_prime(mp_int *N, int *result)
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17 {
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18 int err;
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19 _ARGCHK(N != NULL);
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20 _ARGCHK(result != NULL);
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21 if ((err = mp_prime_is_prime(N, mp_prime_rabin_miller_trials(mp_count_bits(N)), result)) != MP_OKAY) {
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22 return mpi_to_ltc_error(err);
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23 }
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24 return CRYPT_OK;
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25 }
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26
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27 #endif