deac/osd-contiki
1
0
Fork 0
Code Issues Pull requests Releases Wiki Activity

cc2538: Add crypto drivers and examples for AES-CCM and SHA-256

Browse source 
Signed-off-by: Benoît Thébaudeau <benoit.thebaudeau.dev@gmail.com>
This commit is contained in:
Benoît Thébaudeau 2015-05-15 19:52:08 +02:00
parent c03536f04e
commit 117dc4e5e3
16 changed files with 2363 additions and 0 deletions
Download patch file Download diff file Expand all files Collapse all files

103
cpu/cc2538/dev/sha256.h Normal file
View file

@ -0,0 +1,103 @@
/*
* Original file:
* Copyright (C) 2012 Texas Instruments Incorporated - http://www.ti.com/
* All rights reserved.
*
* Port to Contiki:
* Copyright (c) 2013, ADVANSEE - http://www.advansee.com/
* 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 copyright holder 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 COPYRIGHT HOLDERS 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
* COPYRIGHT HOLDER 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.
*/
/**
* \addtogroup cc2538-crypto
* @{
*
* \defgroup cc2538-sha526 cc2538 SHA-256
*
* Driver for the cc2538 SHA-256 mode of the security core
* @{
*
* \file
* Header file for the cc2538 SHA-256 driver
*/
#ifndef SHA256_H_
#define SHA256_H_
#include "contiki.h"
#include "dev/crypto.h"
#include <stdint.h>
/*---------------------------------------------------------------------------*/
/** \name SHA-256 structures
* @{
*/
typedef struct {
uint64_t length;
uint32_t state[8];
uint32_t curlen;
uint8_t buf[64];
uint8_t new_digest;
uint8_t final_digest;
} sha256_state_t;
/** @} */
/*---------------------------------------------------------------------------*/
/** \name SHA-256 functions
* @{
*/
/** \brief Initializes the hash state
* \param state Pointer to hash state to initialize
* \return \c CRYPTO_SUCCESS if successful, or CRYPTO/SHA256 error code
*/
uint8_t sha256_init(sha256_state_t *state);
/** \brief Processes a block of memory through the hash
* \param state Pointer to hash state
* \param data Pointer to the data to hash
* \param len Length of the data to hash in bytes (octets)
* \return \c CRYPTO_SUCCESS if successful, or CRYPTO/SHA256 error code
* \note This function must be called only after \c sha256_init().
*/
uint8_t sha256_process(sha256_state_t *state, const void *data, uint32_t len);
/** \brief Terminates hash session to get the digest
* \param state Pointer to hash state
* \param hash Pointer to hash
* \return \c CRYPTO_SUCCESS if successful, or CRYPTO/SHA256 error code
* \note This function must be called only after \c sha256_process().
*/
uint8_t sha256_done(sha256_state_t *state, void *hash);
/** @} */
#endif /* SHA256_H_ */
/**
* @}
* @}
*/