diff options
Diffstat (limited to 'drivers/builtin_openssl/crypto/modes/cbc128.c')
| -rw-r--r-- | drivers/builtin_openssl/crypto/modes/cbc128.c | 205 |
1 files changed, 0 insertions, 205 deletions
diff --git a/drivers/builtin_openssl/crypto/modes/cbc128.c b/drivers/builtin_openssl/crypto/modes/cbc128.c deleted file mode 100644 index 0e54f75470..0000000000 --- a/drivers/builtin_openssl/crypto/modes/cbc128.c +++ /dev/null @@ -1,205 +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> - -#ifndef STRICT_ALIGNMENT -# define STRICT_ALIGNMENT 0 -#endif - -void CRYPTO_cbc128_encrypt(const unsigned char *in, unsigned char *out, - size_t len, const void *key, - unsigned char ivec[16], block128_f block) -{ - size_t n; - const unsigned char *iv = ivec; - - assert(in && out && key && ivec); - -#if !defined(OPENSSL_SMALL_FOOTPRINT) - if (STRICT_ALIGNMENT && - ((size_t)in|(size_t)out|(size_t)ivec)%sizeof(size_t) != 0) { - while (len>=16) { - for(n=0; n<16; ++n) - out[n] = in[n] ^ iv[n]; - (*block)(out, out, key); - iv = out; - len -= 16; - in += 16; - out += 16; - } - } else { - while (len>=16) { - for(n=0; n<16; n+=sizeof(size_t)) - *(size_t*)(out+n) = - *(size_t*)(in+n) ^ *(size_t*)(iv+n); - (*block)(out, out, key); - iv = out; - len -= 16; - in += 16; - out += 16; - } - } -#endif - while (len) { - for(n=0; n<16 && n<len; ++n) - out[n] = in[n] ^ iv[n]; - for(; n<16; ++n) - out[n] = iv[n]; - (*block)(out, out, key); - iv = out; - if (len<=16) break; - len -= 16; - in += 16; - out += 16; - } - memcpy(ivec,iv,16); -} - -void CRYPTO_cbc128_decrypt(const unsigned char *in, unsigned char *out, - size_t len, const void *key, - unsigned char ivec[16], block128_f block) -{ - size_t n; - union { size_t t[16/sizeof(size_t)]; unsigned char c[16]; } tmp; - - assert(in && out && key && ivec); - -#if !defined(OPENSSL_SMALL_FOOTPRINT) - if (in != out) { - const unsigned char *iv = ivec; - - if (STRICT_ALIGNMENT && - ((size_t)in|(size_t)out|(size_t)ivec)%sizeof(size_t) != 0) { - while (len>=16) { - (*block)(in, out, key); - for(n=0; n<16; ++n) - out[n] ^= iv[n]; - iv = in; - len -= 16; - in += 16; - out += 16; - } - } - else if (16%sizeof(size_t) == 0) { /* always true */ - while (len>=16) { - size_t *out_t=(size_t *)out, *iv_t=(size_t *)iv; - - (*block)(in, out, key); - for(n=0; n<16/sizeof(size_t); n++) - out_t[n] ^= iv_t[n]; - iv = in; - len -= 16; - in += 16; - out += 16; - } - } - memcpy(ivec,iv,16); - } else { - if (STRICT_ALIGNMENT && - ((size_t)in|(size_t)out|(size_t)ivec)%sizeof(size_t) != 0) { - unsigned char c; - while (len>=16) { - (*block)(in, tmp.c, key); - for(n=0; n<16; ++n) { - c = in[n]; - out[n] = tmp.c[n] ^ ivec[n]; - ivec[n] = c; - } - len -= 16; - in += 16; - out += 16; - } - } - else if (16%sizeof(size_t) == 0) { /* always true */ - while (len>=16) { - size_t c, *out_t=(size_t *)out, *ivec_t=(size_t *)ivec; - const size_t *in_t=(const size_t *)in; - - (*block)(in, tmp.c, key); - for(n=0; n<16/sizeof(size_t); n++) { - c = in_t[n]; - out_t[n] = tmp.t[n] ^ ivec_t[n]; - ivec_t[n] = c; - } - len -= 16; - in += 16; - out += 16; - } - } - } -#endif - while (len) { - unsigned char c; - (*block)(in, tmp.c, key); - for(n=0; n<16 && n<len; ++n) { - c = in[n]; - out[n] = tmp.c[n] ^ ivec[n]; - ivec[n] = c; - } - if (len<=16) { - for (; n<16; ++n) - ivec[n] = in[n]; - break; - } - len -= 16; - in += 16; - out += 16; - } -} |