113 lines
4.6 KiB
C
113 lines
4.6 KiB
C
/* ====================================================================
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* Copyright (c) 2002-2006 The OpenSSL Project. All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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*
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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*
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in
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* the documentation and/or other materials provided with the
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* distribution.
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*
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* 3. All advertising materials mentioning features or use of this
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* software must display the following acknowledgment:
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* "This product includes software developed by the OpenSSL Project
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* for use in the OpenSSL Toolkit. (http://www.openssl.org/)"
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*
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* 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to
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* endorse or promote products derived from this software without
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* prior written permission. For written permission, please contact
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* openssl-core@openssl.org.
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*
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* 5. Products derived from this software may not be called "OpenSSL"
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* nor may "OpenSSL" appear in their names without prior written
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* permission of the OpenSSL Project.
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*
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* 6. Redistributions of any form whatsoever must retain the following
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* acknowledgment:
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* "This product includes software developed by the OpenSSL Project
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* for use in the OpenSSL Toolkit (http://www.openssl.org/)"
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*
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* THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY
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* EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE OpenSSL PROJECT OR
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* ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
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* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
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* STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
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* OF THE POSSIBILITY OF SUCH DAMAGE.
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* ==================================================================== */
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#include <openssl/aes.h>
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#include <assert.h>
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#include "../modes/internal.h"
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void AES_ctr128_encrypt(const uint8_t *in, uint8_t *out, size_t len,
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const AES_KEY *key, uint8_t ivec[AES_BLOCK_SIZE],
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uint8_t ecount_buf[AES_BLOCK_SIZE], unsigned int *num) {
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CRYPTO_ctr128_encrypt(in, out, len, key, ivec, ecount_buf, num,
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(block128_f)AES_encrypt);
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}
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void AES_ecb_encrypt(const uint8_t *in, uint8_t *out, const AES_KEY *key,
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const int enc) {
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assert(in && out && key);
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assert((AES_ENCRYPT == enc) || (AES_DECRYPT == enc));
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if (AES_ENCRYPT == enc) {
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AES_encrypt(in, out, key);
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} else {
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AES_decrypt(in, out, key);
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}
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}
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#if defined(OPENSSL_NO_ASM) || \
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(!defined(OPENSSL_X86_64) && !defined(OPENSSL_X86))
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void AES_cbc_encrypt(const uint8_t *in, uint8_t *out, size_t len,
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const AES_KEY *key, uint8_t *ivec, const int enc) {
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if (enc) {
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CRYPTO_cbc128_encrypt(in, out, len, key, ivec, (block128_f)AES_encrypt);
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} else {
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CRYPTO_cbc128_decrypt(in, out, len, key, ivec, (block128_f)AES_decrypt);
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}
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}
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#else
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void asm_AES_cbc_encrypt(const uint8_t *in, uint8_t *out, size_t len,
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const AES_KEY *key, uint8_t *ivec, const int enc);
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void AES_cbc_encrypt(const uint8_t *in, uint8_t *out, size_t len,
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const AES_KEY *key, uint8_t *ivec, const int enc) {
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asm_AES_cbc_encrypt(in, out, len, key, ivec, enc);
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}
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#endif // OPENSSL_NO_ASM || (!OPENSSL_X86_64 && !OPENSSL_X86)
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void AES_ofb128_encrypt(const uint8_t *in, uint8_t *out, size_t length,
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const AES_KEY *key, uint8_t *ivec, int *num) {
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unsigned num_u = (unsigned)(*num);
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CRYPTO_ofb128_encrypt(in, out, length, key, ivec, &num_u,
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(block128_f)AES_encrypt);
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*num = (int)num_u;
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}
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void AES_cfb128_encrypt(const uint8_t *in, uint8_t *out, size_t length,
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const AES_KEY *key, uint8_t *ivec, int *num,
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int enc) {
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unsigned num_u = (unsigned)(*num);
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CRYPTO_cfb128_encrypt(in, out, length, key, ivec, &num_u, enc,
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(block128_f)AES_encrypt);
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*num = (int)num_u;
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}
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