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Init commit of gmssl-v3

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Zhi Guan
2021-07-13 19:21:43 +08:00
commit 0af5775be3
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include/gmssl/aes.h Normal file
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/*
* Copyright (c) 2014 - 2021 The GmSSL 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 GmSSL Project.
* (http://gmssl.org/)"
*
* 4. The name "GmSSL Project" must not be used to endorse or promote
* products derived from this software without prior written
* permission. For written permission, please contact
* guanzhi1980@gmail.com.
*
* 5. Products derived from this software may not be called "GmSSL"
* nor may "GmSSL" appear in their names without prior written
* permission of the GmSSL Project.
*
* 6. Redistributions of any form whatsoever must retain the following
* acknowledgment:
* "This product includes software developed by the GmSSL Project
* (http://gmssl.org/)"
*
* THIS SOFTWARE IS PROVIDED BY THE GmSSL 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 GmSSL 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.
*/
#ifndef GMSSL_AES_H
#define GMSSL_AES_H
#include <stdint.h>
#include <stdlib.h>
#define AES128_KEY_BITS 128
#define AES192_KEY_BITS 192
#define AES256_KEY_BITS 256
#define AES128_KEY_SIZE (AES128_KEY_BITS/8)
#define AES192_KEY_SIZE (AES192_KEY_BITS/8)
#define AES256_KEY_SIZE (AES256_KEY_BITS/8)
#define AES_BLOCK_SIZE 16
#define AES128_ROUNDS 10
#define AES192_ROUNDS 12
#define AES256_ROUNDS 14
#define AES_MAX_ROUNDS AES256_ROUNDS
#ifdef __cplusplus
extern "C" {
#endif
typedef struct {
uint32_t rk[4 * (AES_MAX_ROUNDS + 1)];
int rounds;
} AES_KEY;
int aes_set_encrypt_key(AES_KEY *aes_key, const uint8_t *key, size_t keylen);
int aes_set_decrypt_key(AES_KEY *aes_key, const uint8_t *key, size_t keylen);
void aes_encrypt(const AES_KEY *aes_key, const uint8_t in[AES_BLOCK_SIZE], uint8_t out[AES_BLOCK_SIZE]);
void aes_decrypt(const AES_KEY *aes_key, const uint8_t in[AES_BLOCK_SIZE], uint8_t out[AES_BLOCK_SIZE]);
#ifdef __cplusplus
}
#endif
#endif