2015-10-09 02:00:40 +08:00
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/*
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* Byte-oriented AES-256 implementation.
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* All lookup tables replaced with 'on the fly' calculations.
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*
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* Copyright (c) 2007-2009 Ilya O. Levin, http://www.literatecode.com
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* Other contributors: Hal Finney
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*
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* Permission to use, copy, modify, and distribute this software for any
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* purpose with or without fee is hereby granted, provided that the above
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* copyright notice and this permission notice appear in all copies.
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*
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* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
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* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
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* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
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* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
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* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
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* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
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* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
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*/
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#ifndef AES_256_H
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#define AES_256_H
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#include "typedefs.h"
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#ifdef __cplusplus
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extern "C" {
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#endif
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typedef struct {
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uint8_t key[32];
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uint8_t enckey[32];
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uint8_t deckey[32];
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} aes256_context;
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void aes256_init(aes256_context *, uint8_t * /* key */);
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void aes256_done(aes256_context *);
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void aes256_encrypt_ecb(aes256_context *, uint8_t * /* plaintext */);
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void aes256_decrypt_ecb(aes256_context *, uint8_t * /* cipertext */);
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#ifdef __cplusplus
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}
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#endif
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#endif
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