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-rw-r--r--libtommath/bn_fast_mp_invmod.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/libtommath/bn_fast_mp_invmod.c b/libtommath/bn_fast_mp_invmod.c
index 7771136..08389dd 100644
--- a/libtommath/bn_fast_mp_invmod.c
+++ b/libtommath/bn_fast_mp_invmod.c
@@ -21,7 +21,7 @@
* Based on slow invmod except this is optimized for the case where b is
* odd as per HAC Note 14.64 on pp. 610
*/
-int fast_mp_invmod(mp_int *a, mp_int *b, mp_int *c)
+int fast_mp_invmod(const mp_int *a, const mp_int *b, mp_int *c)
{
mp_int x, y, u, v, B, D;
int res, neg;