Mercurial > dropbear
view libtommath/bn_s_mp_reverse.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> |
---|---|
date | Thu, 28 May 2020 20:01:48 +0500 |
parents | 1051e4eea25a |
children |
line wrap: on
line source
#include "tommath_private.h" #ifdef BN_S_MP_REVERSE_C /* LibTomMath, multiple-precision integer library -- Tom St Denis */ /* SPDX-License-Identifier: Unlicense */ /* reverse an array, used for radix code */ void s_mp_reverse(unsigned char *s, size_t len) { size_t ix, iy; unsigned char t; ix = 0u; iy = len - 1u; while (ix < iy) { t = s[ix]; s[ix] = s[iy]; s[iy] = t; ++ix; --iy; } } #endif