merge of 332f709a4cb39cde4cedab7c3be89e05f3023067

     and ca4ca78b82c5d430c69ce01bf794e8886ce81431

--HG--
extra : convert_revision : 74020525425a1de06739c6c3bed9ef35e4ad867e

1 files changed, 36 insertions, 0 deletions

diff --git a/libtomcrypt/src/misc/mpi/is_prime.c b/libtomcrypt/src/misc/mpi/is_prime.c
new file mode 100644
index 0000000..9ee4ed2
--- /dev/null
+++ b/libtomcrypt/src/misc/mpi/is_prime.c
@@ -0,0 +1,36 @@
+/* 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, tomstdenis@gmail.com, 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 $ */