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Diffstat (limited to 'libtommath/bn_mp_reduce_2k_setup.c')
-rw-r--r--libtommath/bn_mp_reduce_2k_setup.c10
1 files changed, 5 insertions, 5 deletions
diff --git a/libtommath/bn_mp_reduce_2k_setup.c b/libtommath/bn_mp_reduce_2k_setup.c
index bf810c0..e6ae839 100644
--- a/libtommath/bn_mp_reduce_2k_setup.c
+++ b/libtommath/bn_mp_reduce_2k_setup.c
@@ -16,26 +16,26 @@
*/
/* determines the setup value */
-int mp_reduce_2k_setup(mp_int *a, mp_digit *d)
+int mp_reduce_2k_setup(const mp_int *a, mp_digit *d)
{
int res, p;
mp_int tmp;
-
+
if ((res = mp_init(&tmp)) != MP_OKAY) {
return res;
}
-
+
p = mp_count_bits(a);
if ((res = mp_2expt(&tmp, p)) != MP_OKAY) {
mp_clear(&tmp);
return res;
}
-
+
if ((res = s_mp_sub(&tmp, a, &tmp)) != MP_OKAY) {
mp_clear(&tmp);
return res;
}
-
+
*d = tmp.dp[0];
mp_clear(&tmp);
return MP_OKAY;