From eb8dd9dca1228af0cd132f515509051ecfabf6f6 Mon Sep 17 00:00:00 2001 From: cvs2svn Date: Mon, 14 Apr 2025 17:32:06 +0000 Subject: This commit was manufactured by cvs2git to create tag 'tb_20250414'. --- src/lib/libcrypto/modes/xts128.c | 197 --------------------------------------- 1 file changed, 197 deletions(-) delete mode 100644 src/lib/libcrypto/modes/xts128.c (limited to 'src/lib/libcrypto/modes/xts128.c') diff --git a/src/lib/libcrypto/modes/xts128.c b/src/lib/libcrypto/modes/xts128.c deleted file mode 100644 index 7516acf850..0000000000 --- a/src/lib/libcrypto/modes/xts128.c +++ /dev/null @@ -1,197 +0,0 @@ -/* $OpenBSD: xts128.c,v 1.12 2023/07/08 14:56:54 beck Exp $ */ -/* ==================================================================== - * Copyright (c) 2011 The OpenSSL Project. All rights reserved. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions - * are met: - * - * 1. Redistributions of source code must retain the above copyright - * notice, this list of conditions and the following disclaimer. - * - * 2. Redistributions in binary form must reproduce the above copyright - * notice, this list of conditions and the following disclaimer in - * the documentation and/or other materials provided with the - * distribution. - * - * 3. All advertising materials mentioning features or use of this - * software must display the following acknowledgment: - * "This product includes software developed by the OpenSSL Project - * for use in the OpenSSL Toolkit. (http://www.openssl.org/)" - * - * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to - * endorse or promote products derived from this software without - * prior written permission. For written permission, please contact - * openssl-core@openssl.org. - * - * 5. Products derived from this software may not be called "OpenSSL" - * nor may "OpenSSL" appear in their names without prior written - * permission of the OpenSSL Project. - * - * 6. Redistributions of any form whatsoever must retain the following - * acknowledgment: - * "This product includes software developed by the OpenSSL Project - * for use in the OpenSSL Toolkit (http://www.openssl.org/)" - * - * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY - * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE - * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR - * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE OpenSSL PROJECT OR - * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, - * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT - * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; - * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) - * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, - * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) - * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED - * OF THE POSSIBILITY OF SUCH DAMAGE. - * ==================================================================== - */ - -#include -#include "modes_local.h" - -#include -#include - -#ifndef MODES_DEBUG -# ifndef NDEBUG -# define NDEBUG -# endif -#endif - -int -CRYPTO_xts128_encrypt(const XTS128_CONTEXT *ctx, const unsigned char iv[16], - const unsigned char *inp, unsigned char *out, - size_t len, int enc) -{ - union { - u64 u[2]; - u32 d[4]; - u8 c[16]; - } tweak, scratch; - unsigned int i; - - if (len < 16) - return -1; - - memcpy(tweak.c, iv, 16); - - (*ctx->block2)(tweak.c, tweak.c, ctx->key2); - - if (!enc && (len % 16)) - len -= 16; - - while (len >= 16) { -#ifdef __STRICT_ALIGNMENT - memcpy(scratch.c, inp, 16); - scratch.u[0] ^= tweak.u[0]; - scratch.u[1] ^= tweak.u[1]; -#else - scratch.u[0] = ((u64 *)inp)[0] ^ tweak.u[0]; - scratch.u[1] = ((u64 *)inp)[1] ^ tweak.u[1]; -#endif - (*ctx->block1)(scratch.c, scratch.c, ctx->key1); -#ifdef __STRICT_ALIGNMENT - scratch.u[0] ^= tweak.u[0]; - scratch.u[1] ^= tweak.u[1]; - memcpy(out, scratch.c, 16); -#else - ((u64 *)out)[0] = scratch.u[0] ^= tweak.u[0]; - ((u64 *)out)[1] = scratch.u[1] ^= tweak.u[1]; -#endif - inp += 16; - out += 16; - len -= 16; - - if (len == 0) - return 0; - -#if BYTE_ORDER == LITTLE_ENDIAN - unsigned int carry, res; - - res = 0x87 & (((int)tweak.d[3]) >> 31); - carry = (unsigned int)(tweak.u[0] >> 63); - tweak.u[0] = (tweak.u[0] << 1) ^ res; - tweak.u[1] = (tweak.u[1] << 1)|carry; -#else /* BIG_ENDIAN */ - size_t c; - - for (c = 0, i = 0; i < 16; ++i) { - /*+ substitutes for |, because c is 1 bit */ - c += ((size_t)tweak.c[i]) << 1; - tweak.c[i] = (u8)c; - c = c >> 8; - } - tweak.c[0] ^= (u8)(0x87 & (0 - c)); -#endif - } - if (enc) { - for (i = 0; i < len; ++i) { - u8 ch = inp[i]; - out[i] = scratch.c[i]; - scratch.c[i] = ch; - } - scratch.u[0] ^= tweak.u[0]; - scratch.u[1] ^= tweak.u[1]; - (*ctx->block1)(scratch.c, scratch.c, ctx->key1); - scratch.u[0] ^= tweak.u[0]; - scratch.u[1] ^= tweak.u[1]; - memcpy(out - 16, scratch.c, 16); - } else { - union { - u64 u[2]; - u8 c[16]; - } tweak1; - -#if BYTE_ORDER == LITTLE_ENDIAN - unsigned int carry, res; - - res = 0x87 & (((int)tweak.d[3]) >> 31); - carry = (unsigned int)(tweak.u[0] >> 63); - tweak1.u[0] = (tweak.u[0] << 1) ^ res; - tweak1.u[1] = (tweak.u[1] << 1)|carry; -#else - size_t c; - - for (c = 0, i = 0; i < 16; ++i) { - /*+ substitutes for |, because c is 1 bit */ - c += ((size_t)tweak.c[i]) << 1; - tweak1.c[i] = (u8)c; - c = c >> 8; - } - tweak1.c[0] ^= (u8)(0x87 & (0 - c)); -#endif -#ifdef __STRICT_ALIGNMENT - memcpy(scratch.c, inp, 16); - scratch.u[0] ^= tweak1.u[0]; - scratch.u[1] ^= tweak1.u[1]; -#else - scratch.u[0] = ((u64 *)inp)[0] ^ tweak1.u[0]; - scratch.u[1] = ((u64 *)inp)[1] ^ tweak1.u[1]; -#endif - (*ctx->block1)(scratch.c, scratch.c, ctx->key1); - scratch.u[0] ^= tweak1.u[0]; - scratch.u[1] ^= tweak1.u[1]; - - for (i = 0; i < len; ++i) { - u8 ch = inp[16 + i]; - out[16 + i] = scratch.c[i]; - scratch.c[i] = ch; - } - scratch.u[0] ^= tweak.u[0]; - scratch.u[1] ^= tweak.u[1]; - (*ctx->block1)(scratch.c, scratch.c, ctx->key1); -#ifdef __STRICT_ALIGNMENT - scratch.u[0] ^= tweak.u[0]; - scratch.u[1] ^= tweak.u[1]; - memcpy(out, scratch.c, 16); -#else - ((u64 *)out)[0] = scratch.u[0] ^ tweak.u[0]; - ((u64 *)out)[1] = scratch.u[1] ^ tweak.u[1]; -#endif - } - - return 0; -} -LCRYPTO_ALIAS(CRYPTO_xts128_encrypt); -- cgit v1.2.3-55-g6feb