mp_addmod.c

   1 #include "tommath_private.h"
   2 #ifdef MP_ADDMOD_C
   3 /* LibTomMath, multiple-precision integer library -- Tom St Denis */
   4 /* SPDX-License-Identifier: Unlicense */
   5
   6 /* d = a + b (mod c) */
   7 mp_err mp_addmod(const mp_int *a, const mp_int *b, const mp_int *c, mp_int *d)
   8 {
   9    mp_err err;
  10    if ((err = mp_add(a, b, d)) != MP_OKAY) {
  11       return err;
  12    }
  13    return mp_mod(d, c, d);
  14 }
  15 #endif