circuitpython/drivers/cc3000/inc/security.h

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/*****************************************************************************
*
* security.h - CC3000 Host Driver Implementation.
* Copyright (C) 2011 Texas Instruments Incorporated - http://www.ti.com/
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
*
* 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.
*
* Neither the name of Texas Instruments Incorporated 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
* OWNER 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.
*
*****************************************************************************/
#ifndef __CC3000_SECURITY__
#define __CC3000_SECURITY__
#include "nvmem.h"
//*****************************************************************************
//
// If building with a C++ compiler, make all of the definitions in this header
// have a C binding.
//
//*****************************************************************************
#ifdef __cplusplus
extern "C" {
#endif
#define AES128_KEY_SIZE 16
#ifndef CC3000_UNENCRYPTED_SMART_CONFIG
//*****************************************************************************
//
//! aes_encrypt
//!
//! @param[in] key AES128 key of size 16 bytes
//! @param[in\out] state 16 bytes of plain text and cipher text
//!
//! @return none
//!
//! @brief AES128 encryption:
//! Given AES128 key and 16 bytes plain text, cipher text of 16 bytes
//! is computed. The AES implementation is in mode ECB (Electronic
//! Code Book).
//!
//!
//*****************************************************************************
extern void aes_encrypt(UINT8 *state, UINT8 *key);
//*****************************************************************************
//
//! aes_decrypt
//!
//! @param[in] key AES128 key of size 16 bytes
//! @param[in\out] state 16 bytes of cipher text and plain text
//!
//! @return none
//!
//! @brief AES128 decryption:
//! Given AES128 key and 16 bytes cipher text, plain text of 16 bytes
//! is computed The AES implementation is in mode ECB
//! (Electronic Code Book).
//!
//!
//*****************************************************************************
extern void aes_decrypt(UINT8 *state, UINT8 *key);
//*****************************************************************************
//
//! aes_read_key
//!
//! @param[out] key AES128 key of size 16 bytes
//!
//! @return on success 0, error otherwise.
//!
//! @brief Reads AES128 key from EEPROM
//! Reads the AES128 key from fileID #12 in EEPROM
//! returns an error if the key does not exist.
//!
//!
//*****************************************************************************
extern INT32 aes_read_key(UINT8 *key);
//*****************************************************************************
//
//! aes_write_key
//!
//! @param[out] key AES128 key of size 16 bytes
//!
//! @return on success 0, error otherwise.
//!
//! @brief writes AES128 key from EEPROM
//! Writes the AES128 key to fileID #12 in EEPROM
//!
//!
//*****************************************************************************
extern INT32 aes_write_key(UINT8 *key);
#endif //CC3000_UNENCRYPTED_SMART_CONFIG
#ifdef __cplusplus
}
#endif // __cplusplus
#endif