diff options
Diffstat (limited to 'thirdparty/openssl/crypto/modes/ofb128.c')
-rw-r--r-- | thirdparty/openssl/crypto/modes/ofb128.c | 124 |
1 files changed, 0 insertions, 124 deletions
diff --git a/thirdparty/openssl/crypto/modes/ofb128.c b/thirdparty/openssl/crypto/modes/ofb128.c deleted file mode 100644 index 4dbaccd7a6..0000000000 --- a/thirdparty/openssl/crypto/modes/ofb128.c +++ /dev/null @@ -1,124 +0,0 @@ -/* ==================================================================== - * Copyright (c) 2008 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> - -/* - * The input and output encrypted as though 128bit ofb mode is being used. - * The extra state information to record how much of the 128bit block we have - * used is contained in *num; - */ -void CRYPTO_ofb128_encrypt(const unsigned char *in, unsigned char *out, - size_t len, const void *key, - unsigned char ivec[16], int *num, block128_f block) -{ - unsigned int n; - size_t l = 0; - - assert(in && out && key && ivec && num); - - n = *num; - -#if !defined(OPENSSL_SMALL_FOOTPRINT) - if (16 % sizeof(size_t) == 0) { /* always true actually */ - do { - while (n && len) { - *(out++) = *(in++) ^ ivec[n]; - --len; - n = (n + 1) % 16; - } -# if defined(STRICT_ALIGNMENT) - if (((size_t)in | (size_t)out | (size_t)ivec) % sizeof(size_t) != - 0) - break; -# endif - while (len >= 16) { - (*block) (ivec, ivec, key); - for (; n < 16; n += sizeof(size_t)) - *(size_t *)(out + n) = - *(size_t *)(in + n) ^ *(size_t *)(ivec + n); - len -= 16; - out += 16; - in += 16; - n = 0; - } - if (len) { - (*block) (ivec, ivec, key); - while (len--) { - out[n] = in[n] ^ ivec[n]; - ++n; - } - } - *num = n; - return; - } while (0); - } - /* the rest would be commonly eliminated by x86* compiler */ -#endif - while (l < len) { - if (n == 0) { - (*block) (ivec, ivec, key); - } - out[l] = in[l] ^ ivec[n]; - ++l; - n = (n + 1) % 16; - } - - *num = n; -} |