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authorjan.nijtmans <nijtmans@users.sourceforge.net>2016-11-18 09:50:37 (GMT)
committerjan.nijtmans <nijtmans@users.sourceforge.net>2016-11-18 09:50:37 (GMT)
commitc85162575b2a6ba6d8b7103a103d8724c2d51e03 (patch)
treec945d6b5352f04dfb8dcda9435522ae38bf25c51 /libtommath/bn_mp_mod.c
parente0c2fc16a8641c16944de458557edf2d315d688b (diff)
parent44774dc3238ca1e269c6acedcbdfb449780c96f9 (diff)
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Fix [e6f27aa56fa51bfc1752ce768bf0d301c60bfd2c|e6f27aa56f]: Update libtommath to 1.0
Diffstat (limited to 'libtommath/bn_mp_mod.c')
-rw-r--r--libtommath/bn_mp_mod.c16
1 files changed, 10 insertions, 6 deletions
diff --git a/libtommath/bn_mp_mod.c b/libtommath/bn_mp_mod.c
index 98e155e..b67467d 100644
--- a/libtommath/bn_mp_mod.c
+++ b/libtommath/bn_mp_mod.c
@@ -1,4 +1,4 @@
-#include <tommath.h>
+#include <tommath_private.h>
#ifdef BN_MP_MOD_C
/* LibTomMath, multiple-precision integer library -- Tom St Denis
*
@@ -12,10 +12,10 @@
* The library is free for all purposes without any express
* guarantee it works.
*
- * Tom St Denis, tomstdenis@gmail.com, http://math.libtomcrypt.com
+ * Tom St Denis, tstdenis82@gmail.com, http://libtom.org
*/
-/* c = a mod b, 0 <= c < b */
+/* c = a mod b, 0 <= c < b if b > 0, b < c <= 0 if b < 0 */
int
mp_mod (mp_int * a, mp_int * b, mp_int * c)
{
@@ -31,14 +31,18 @@ mp_mod (mp_int * a, mp_int * b, mp_int * c)
return res;
}
- if (t.sign != b->sign) {
- res = mp_add (b, &t, c);
- } else {
+ if ((mp_iszero(&t) != MP_NO) || (t.sign == b->sign)) {
res = MP_OKAY;
mp_exch (&t, c);
+ } else {
+ res = mp_add (b, &t, c);
}
mp_clear (&t);
return res;
}
#endif
+
+/* $Source$ */
+/* $Revision$ */
+/* $Date$ */