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ecb.h
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1/*
2 * Copyright (c) 2015, Benoît Thébaudeau <benoit.thebaudeau.dev@gmail.com>
3 * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 * 1. Redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer.
10 * 2. Redistributions in binary form must reproduce the above copyright
11 * notice, this list of conditions and the following disclaimer in the
12 * documentation and/or other materials provided with the distribution.
13 *
14 * 3. Neither the name of the copyright holder nor the names of its
15 * contributors may be used to endorse or promote products derived
16 * from this software without specific prior written permission.
17 *
18 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
19 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
20 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
21 * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
22 * COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
23 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
24 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
25 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
26 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
27 * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
28 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
29 * OF THE POSSIBILITY OF SUCH DAMAGE.
30 */
31/**
32 * \addtogroup cc2538-aes
33 * @{
34 *
35 * \defgroup cc2538-ecb cc2538 AES-ECB
36 *
37 * Driver for the cc2538 AES-ECB mode of the security core
38 * @{
39 *
40 * \file
41 * Header file for the cc2538 AES-ECB driver
42 */
43#ifndef ECB_H_
44#define ECB_H_
45
46#include "contiki.h"
47#include "dev/aes.h"
48
49#include <stdbool.h>
50#include <stdint.h>
51/*---------------------------------------------------------------------------*/
52/** \name AES-ECB functions
53 * @{
54 */
55
56/** \brief Starts an ECB crypto operation
57 * \param encrypt \c true to encrypt, or \c false to decrypt
58 * \param key_area Area in Key RAM where the key is stored (0 to
59 * \c AES_KEY_AREAS - 1)
60 * \param mdata_in Pointer to input message in SRAM
61 * \param mdata_out Pointer to output message in SRAM (may be \p mdata_in)
62 * \param mdata_len Length of message in octets
63 * \param process Process to be polled upon completion of the operation, or
64 * \c NULL
65 * \return \c CRYPTO_SUCCESS if successful, or CRYPTO/AES/ECB error code
66 */
67uint8_t ecb_crypt_start(uint8_t encrypt, uint8_t key_area, const void *mdata_in,
68 void *mdata_out, uint16_t mdata_len,
69 struct process *process);
70
71/** \brief Checks the status of the ECB crypto operation
72 * \return \c CRYPTO_PENDING if operation still pending, \c CRYPTO_SUCCESS if
73 * successful, or CRYPTO/AES/ECB error code
74 * \note This function must be called only after \c ecb_crypt_start().
75 */
76int8_t ecb_crypt_check_status(void);
77
78/** @} */
79
80#endif /* ECB_H_ */
81
82/**
83 * @}
84 * @}
85 */
Header file for the cc2538 AES driver.
int8_t ecb_crypt_check_status(void)
Checks the status of the ECB crypto operation.
Definition ecb.c:58
uint8_t ecb_crypt_start(uint8_t encrypt, uint8_t key_area, const void *mdata_in, void *mdata_out, uint16_t mdata_len, struct process *process)
Starts an ECB crypto operation.
Definition ecb.c:45