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/*
* Copyright (c) 2010-2012 Vincent Hanquez <vincent@snarc.org>
*
* 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. Neither the name of the author nor the names of his contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS 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 AUTHORS OR 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.
*/
#ifndef CRYPTOCIPHER_AES_H
#define CRYPTOCIPHER_AES_H
#define AES128_NB_ROUNDS 10
#include <stdint.h>
/* aes_key128 need to be 16 aligned by higher layer using the code. */
typedef struct { uint8_t _data[20]; } aes_key128;
void aes_generate_key128(aes_key128 *key, uint8_t *ikey);
/* ECB mode */
void aes_encrypt(uint8_t *out, aes_key128 *key, uint8_t *in, uint32_t blocks);
void aes_decrypt(uint8_t *out, aes_key128 *key, uint8_t *in, uint32_t blocks);
/* CBC mode */
void aes_encrypt_cbc(uint8_t *out, aes_key128 *key, uint8_t *iv, uint8_t *in, uint32_t blocks);
void aes_decrypt_cbc(uint8_t *out, aes_key128 *key, uint8_t *iv, uint8_t *in, uint32_t blocks);
#endif
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