kc3-lang/libtommath/bn_mp_submod.c

• Show log

  Commit

• Hash : 8b2daf78
  Author :
  Date : 2019-05-19T17:16:13
  

  always use varname err with mp_err

Download

• bn_mp_submod.c

• #include "tommath_private.h"
  #ifdef BN_MP_SUBMOD_C
  /* LibTomMath, multiple-precision integer library -- Tom St Denis */
  /* SPDX-License-Identifier: Unlicense */
  
  /* d = a - b (mod c) */
  mp_err mp_submod(const mp_int *a, const mp_int *b, const mp_int *c, mp_int *d)
  {
     mp_err err;
     mp_int t;
  
     if ((err = mp_init(&t)) != MP_OKAY) {
        return err;
     }
  
     if ((err = mp_sub(a, b, &t)) != MP_OKAY) {
        mp_clear(&t);
        return err;
     }
     err = mp_mod(&t, c, d);
     mp_clear(&t);
     return err;
  }
  #endif
  

Download