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view libtommath/bn_mp_addmod.c @ 1793:f90e681b8b8c
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author | Matt Johnston <matt@ucc.asn.au> |
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date | Fri, 29 Jan 2021 21:59:12 +0800 |
parents | 1051e4eea25a |
children |
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#include "tommath_private.h" #ifdef BN_MP_ADDMOD_C /* LibTomMath, multiple-precision integer library -- Tom St Denis */ /* SPDX-License-Identifier: Unlicense */ /* d = a + b (mod c) */ mp_err mp_addmod(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_add(a, b, &t)) != MP_OKAY) { goto LBL_ERR; } err = mp_mod(&t, c, d); LBL_ERR: mp_clear(&t); return err; } #endif