Mercurial > dropbear
view src/misc/mpi/is_prime.c @ 222:36160290a1b2 libtomcrypt LTC_DB_0.46
* change include path of options.h
* don't use the constant ROL/ROR operations, since compilers
seem to have problems
author | Matt Johnston <matt@ucc.asn.au> |
---|---|
date | Fri, 08 Jul 2005 19:13:24 +0000 |
parents | 39d5d58461d6 |
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 $ */