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Diffstat (limited to 'thirdparty/openssl/crypto/modes/xts128.c')
-rw-r--r--thirdparty/openssl/crypto/modes/xts128.c204
1 files changed, 0 insertions, 204 deletions
diff --git a/thirdparty/openssl/crypto/modes/xts128.c b/thirdparty/openssl/crypto/modes/xts128.c
deleted file mode 100644
index 8f2af588b2..0000000000
--- a/thirdparty/openssl/crypto/modes/xts128.c
+++ /dev/null
@@ -1,204 +0,0 @@
-/* ====================================================================
- * 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 <openssl/crypto.h>
-#include "modes_lcl.h"
-#include <string.h>
-
-#ifndef MODES_DEBUG
-# ifndef NDEBUG
-# define NDEBUG
-# endif
-#endif
-#include <assert.h>
-
-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)
-{
- const union {
- long one;
- char little;
- } is_endian = {
- 1
- };
- 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) {
-#if defined(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);
-#if defined(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 (is_endian.little) {
- 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 {
- 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));
- }
- }
- if (enc) {
- for (i = 0; i < len; ++i) {
- u8 c = inp[i];
- out[i] = scratch.c[i];
- scratch.c[i] = c;
- }
- 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 (is_endian.little) {
- 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));
- }
-#if defined(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 c = inp[16 + i];
- out[16 + i] = scratch.c[i];
- scratch.c[i] = c;
- }
- scratch.u[0] ^= tweak.u[0];
- scratch.u[1] ^= tweak.u[1];
- (*ctx->block1) (scratch.c, scratch.c, ctx->key1);
-#if defined(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;
-}
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