mirror of
https://github.com/oliverschmidt/contiki.git
synced 2024-08-15 00:29:02 +00:00
83 lines
2.5 KiB
C
83 lines
2.5 KiB
C
/*
|
|
* Copyright (c) 2013, Hasso-Plattner-Institut.
|
|
* 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 Institute nor the names of its contributors
|
|
* may be used to endorse or promote products derived from this software
|
|
* without specific prior written permission.
|
|
*
|
|
* THIS SOFTWARE IS PROVIDED BY THE INSTITUTE 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 INSTITUTE 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.
|
|
*
|
|
* This file is part of the Contiki operating system.
|
|
*
|
|
*/
|
|
|
|
/**
|
|
* \file
|
|
* AES-128.
|
|
* \author
|
|
* Konrad Krentz <konrad.krentz@gmail.com>
|
|
*/
|
|
|
|
#ifndef AES_H_
|
|
#define AES_H_
|
|
|
|
#include "contiki.h"
|
|
|
|
#define AES_128_BLOCK_SIZE 16
|
|
#define AES_128_KEY_LENGTH 16
|
|
|
|
#ifdef AES_128_CONF
|
|
#define AES_128 AES_128_CONF
|
|
#else /* AES_128_CONF */
|
|
#define AES_128 aes_128_driver
|
|
#endif /* AES_128_CONF */
|
|
|
|
/**
|
|
* Structure of AES drivers.
|
|
*/
|
|
struct aes_128_driver {
|
|
|
|
/**
|
|
* \brief Sets the current key.
|
|
*/
|
|
void (* set_key)(uint8_t *key);
|
|
|
|
/**
|
|
* \brief Encrypts.
|
|
*/
|
|
void (* encrypt)(uint8_t *plaintext_and_result);
|
|
};
|
|
|
|
/**
|
|
* \brief Pads the plaintext with zeroes before calling AES_128.encrypt
|
|
*/
|
|
void aes_128_padded_encrypt(uint8_t *plaintext_and_result, uint8_t plaintext_len);
|
|
|
|
/**
|
|
* \brief Pads the key with zeroes before calling AES_128.set_key
|
|
*/
|
|
void aes_128_set_padded_key(uint8_t *key, uint8_t key_len);
|
|
|
|
extern const struct aes_128_driver AES_128;
|
|
|
|
#endif /* AES_H_ */
|