Mercurial > dropbear
view is_prime.c @ 164:cd1143579f00 libtomcrypt LTC_DB_0.44
mpi.c isn't needed if we're using libtommath seperately
author | Matt Johnston <matt@ucc.asn.au> |
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date | Sun, 02 Jan 2005 17:19:46 +0000 |
parents | d7da3b1e1540 |
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 "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