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path: root/libtommath/bn_mp_invmod_slow.c
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-rw-r--r--libtommath/bn_mp_invmod_slow.c4
1 files changed, 2 insertions, 2 deletions
diff --git a/libtommath/bn_mp_invmod_slow.c b/libtommath/bn_mp_invmod_slow.c
index c1884c0..c048655 100644
--- a/libtommath/bn_mp_invmod_slow.c
+++ b/libtommath/bn_mp_invmod_slow.c
@@ -33,8 +33,8 @@ int mp_invmod_slow (mp_int * a, mp_int * b, mp_int * c)
}
/* x = a, y = b */
- if ((res = mp_copy (a, &x)) != MP_OKAY) {
- goto LBL_ERR;
+ if ((res = mp_mod(a, b, &x)) != MP_OKAY) {
+ goto LBL_ERR;
}
if ((res = mp_copy (b, &y)) != MP_OKAY) {
goto LBL_ERR;