Mercurial > dropbear
view libtommath/bn_mp_abs.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_ABS_C /* LibTomMath, multiple-precision integer library -- Tom St Denis */ /* SPDX-License-Identifier: Unlicense */ /* b = |a| * * Simple function copies the input and fixes the sign to positive */ mp_err mp_abs(const mp_int *a, mp_int *b) { mp_err err; /* copy a to b */ if (a != b) { if ((err = mp_copy(a, b)) != MP_OKAY) { return err; } } /* force the sign of b to positive */ b->sign = MP_ZPOS; return MP_OKAY; } #endif