Mercurial > dropbear
view src/misc/mpi/is_prime.c @ 192:9cc34777b479 libtomcrypt
propagate from branch 'au.asn.ucc.matt.ltc-orig' (head 9ba8f01f44320e9cb9f19881105ae84f84a43ea9)
to branch 'au.asn.ucc.matt.dropbear.ltc' (head dbf51c569bc34956ad948e4cc87a0eeb2170b768)
author | Matt Johnston <matt@ucc.asn.au> |
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date | Sun, 08 May 2005 06:36:47 +0000 |
parents | 1c15b283127b |
children | 39d5d58461d6 |
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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