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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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										 |  |  | * | 
					
						
							|  |  |  | *   Copyright (c) 2007-2009 Ilya O. Levin, http://www.literatecode.com
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							|  |  |  | *   Other contributors: Hal Finney | 
					
						
							|  |  |  | * | 
					
						
							|  |  |  | *   Permission to use, copy, modify, and distribute this software for any | 
					
						
							|  |  |  | *   purpose with or without fee is hereby granted, provided that the above | 
					
						
							|  |  |  | *   copyright notice and this permission notice appear in all copies. | 
					
						
							|  |  |  | * | 
					
						
							|  |  |  | *   THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES | 
					
						
							|  |  |  | *   WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF | 
					
						
							|  |  |  | *   MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR | 
					
						
							|  |  |  | *   ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES | 
					
						
							|  |  |  | *   WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN | 
					
						
							|  |  |  | *   ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF | 
					
						
							|  |  |  | *   OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. | 
					
						
							|  |  |  | */ | 
					
						
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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]; | 
					
						
							|  |  |  |         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 */); | 
					
						
							|  |  |  |     void aes256_done(aes256_context *); | 
					
						
							|  |  |  |     void aes256_encrypt_ecb(aes256_context *, uint8_t * /* plaintext */); | 
					
						
							|  |  |  |     void aes256_decrypt_ecb(aes256_context *, uint8_t * /* cipertext */); | 
					
						
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							|  |  |  | #ifdef __cplusplus
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							|  |  |  | } | 
					
						
							|  |  |  | #endif
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							|  |  |  | #endif
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