Mercurial > dropbear
view libtommath/bn_mp_complement.c @ 1673:e0871128e61f
CBC mode cleanup (#95)
* Fix CBC mode can't be fully disabled
* Fix CBC mode can't be the only mode
author | Vladislav Grishenko <themiron@users.noreply.github.com> |
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date | Mon, 25 May 2020 20:55:13 +0500 |
parents | f52919ffd3b1 |
children | 1051e4eea25a |
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#include "tommath_private.h" #ifdef BN_MP_COMPLEMENT_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 */ /* b = ~a */ int mp_complement(const mp_int *a, mp_int *b) { int res = mp_neg(a, b); return (res == MP_OKAY) ? mp_sub_d(b, 1uL, b) : res; } #endif /* ref: HEAD -> master, tag: v1.1.0 */ /* git commit: 08549ad6bc8b0cede0b357a9c341c5c6473a9c55 */ /* commit time: 2019-01-28 20:32:32 +0100 */