diff options
Diffstat (limited to 'libtommath/bn_mp_addmod.c')
| -rw-r--r-- | libtommath/bn_mp_addmod.c | 36 |
1 files changed, 12 insertions, 24 deletions
diff --git a/libtommath/bn_mp_addmod.c b/libtommath/bn_mp_addmod.c index f8e4dda..1dcfb67 100644 --- a/libtommath/bn_mp_addmod.c +++ b/libtommath/bn_mp_addmod.c @@ -1,37 +1,25 @@ #include "tommath_private.h" #ifdef BN_MP_ADDMOD_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 */ /* d = a + b (mod c) */ -int mp_addmod(const mp_int *a, const mp_int *b, const mp_int *c, mp_int *d) +mp_err mp_addmod(const mp_int *a, const mp_int *b, const mp_int *c, mp_int *d) { - int res; + mp_err err; mp_int t; - if ((res = mp_init(&t)) != MP_OKAY) { - return res; + if ((err = mp_init(&t)) != MP_OKAY) { + return err; } - if ((res = mp_add(a, b, &t)) != MP_OKAY) { - mp_clear(&t); - return res; + if ((err = mp_add(a, b, &t)) != MP_OKAY) { + goto LBL_ERR; } - res = mp_mod(&t, c, d); + err = mp_mod(&t, c, d); + +LBL_ERR: mp_clear(&t); - return res; + return err; } #endif - -/* ref: $Format:%D$ */ -/* git commit: $Format:%H$ */ -/* commit time: $Format:%ai$ */ |