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Diffstat (limited to 'src/ltm/bn_mp_reduce_setup.c')
-rw-r--r--src/ltm/bn_mp_reduce_setup.c26
1 files changed, 20 insertions, 6 deletions
diff --git a/src/ltm/bn_mp_reduce_setup.c b/src/ltm/bn_mp_reduce_setup.c
index f02160fa..134d8a37 100644
--- a/src/ltm/bn_mp_reduce_setup.c
+++ b/src/ltm/bn_mp_reduce_setup.c
@@ -1,17 +1,31 @@
#include "tommath_private.h"
#ifdef BN_MP_REDUCE_SETUP_C
-/* LibTomMath, multiple-precision integer library -- Tom St Denis */
-/* SPDX-License-Identifier: Unlicense */
+/* 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
+ */
/* pre-calculate the value required for Barrett reduction
* For a given modulus "b" it calulates the value required in "a"
*/
-mp_err mp_reduce_setup(mp_int *a, const mp_int *b)
+int mp_reduce_setup(mp_int *a, const mp_int *b)
{
- mp_err err;
- if ((err = mp_2expt(a, b->used * 2 * MP_DIGIT_BIT)) != MP_OKAY) {
- return err;
+ int res;
+
+ if ((res = mp_2expt(a, b->used * 2 * DIGIT_BIT)) != MP_OKAY) {
+ return res;
}
return mp_div(a, b, a, NULL);
}
#endif
+
+/* ref: $Format:%D$ */
+/* git commit: $Format:%H$ */
+/* commit time: $Format:%ai$ */