pd_aes256.h

/*  
 *   Byte-oriented AES-256 implementation.
 *   All lookup tables replaced with 'on the fly' calculations. 
 *
 *   Copyright (c) 2007-2009 Ilya O. Levin, http://www.literatecode.com
 *   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.
 */
#ifndef included_pd_aes256_h
#define included_pd_aes256_h

#include "PDDefines.h"

#ifdef PD_SUPPORT_CRYPTO

#ifndef uint8_t
#define uint8_t  unsigned char
#endif

#ifdef __cplusplus
extern "C" { 
#endif

typedef struct {
    uint8_t key[32]; 
    uint8_t enckey[32]; 
    uint8_t deckey[32];
} aes256_context; 


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 */);
    
#ifdef __cplusplus
}
#endif

#endif

#endif // included_pd_aes256_h