Mercurial > dropbear
view libtommath/bn_mp_sqrmod.c @ 1702:8f93f37c01de
Allow DH to be completely disabled (#97)
Reduces binary size by ~2kB by default and by 21kB with no other
libtommath functions users, ex. with curve25519 kex and ed25519
key only.
author | Vladislav Grishenko <themiron@users.noreply.github.com> |
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date | Thu, 28 May 2020 20:01:48 +0500 |
parents | 1051e4eea25a |
children |
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#include "tommath_private.h" #ifdef BN_MP_SQRMOD_C /* LibTomMath, multiple-precision integer library -- Tom St Denis */ /* SPDX-License-Identifier: Unlicense */ /* c = a * a (mod b) */ mp_err mp_sqrmod(const mp_int *a, const mp_int *b, mp_int *c) { mp_err err; mp_int t; if ((err = mp_init(&t)) != MP_OKAY) { return err; } if ((err = mp_sqr(a, &t)) != MP_OKAY) { goto LBL_ERR; } err = mp_mod(&t, b, c); LBL_ERR: mp_clear(&t); return err; } #endif