summaryrefslogtreecommitdiff
path: root/libtommath/bn_mp_reduce_setup.c
diff options
context:
space:
mode:
Diffstat (limited to 'libtommath/bn_mp_reduce_setup.c')
-rw-r--r--libtommath/bn_mp_reduce_setup.c26
1 files changed, 6 insertions, 20 deletions
diff --git a/libtommath/bn_mp_reduce_setup.c b/libtommath/bn_mp_reduce_setup.c
index cd494f7..f02160f 100644
--- a/libtommath/bn_mp_reduce_setup.c
+++ b/libtommath/bn_mp_reduce_setup.c
@@ -1,31 +1,17 @@
#include "tommath_private.h"
#ifdef BN_MP_REDUCE_SETUP_C
-/* LibTomMath, multiple-precision integer library -- Tom St Denis
- *
- * LibTomMath is a library that provides multiple-precision
- * integer arithmetic as well as number theoretic functionality.
- *
- * The library was designed directly after the MPI library by
- * Michael Fromberger but has been written from scratch with
- * additional optimizations in place.
- *
- * SPDX-License-Identifier: Unlicense
- */
+/* LibTomMath, multiple-precision integer library -- Tom St Denis */
+/* SPDX-License-Identifier: Unlicense */
/* pre-calculate the value required for Barrett reduction
* For a given modulus "b" it calulates the value required in "a"
*/
-int mp_reduce_setup(mp_int *a, const mp_int *b)
+mp_err mp_reduce_setup(mp_int *a, const mp_int *b)
{
- int res;
-
- if ((res = mp_2expt(a, b->used * 2 * DIGIT_BIT)) != MP_OKAY) {
- return res;
+ mp_err err;
+ if ((err = mp_2expt(a, b->used * 2 * MP_DIGIT_BIT)) != MP_OKAY) {
+ return err;
}
return mp_div(a, b, a, NULL);
}
#endif
-
-/* ref: HEAD -> master, tag: v1.1.0 */
-/* git commit: 08549ad6bc8b0cede0b357a9c341c5c6473a9c55 */
-/* commit time: 2019-01-28 20:32:32 +0100 */