136 lines
4.7 KiB
C
136 lines
4.7 KiB
C
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/*****************************************************************************
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*
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* security.h - CC3000 Host Driver Implementation.
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* Copyright (C) 2011 Texas Instruments Incorporated - http://www.ti.com/
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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*
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* Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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*
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* Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the
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* distribution.
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*
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* Neither the name of Texas Instruments Incorporated nor the names of
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* its contributors may be used to endorse or promote products derived
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* from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*
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*****************************************************************************/
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#ifndef __SECURITY__
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#define __SECURITY__
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#include "nvmem.h"
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//*****************************************************************************
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//
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// If building with a C++ compiler, make all of the definitions in this header
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// have a C binding.
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//
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//*****************************************************************************
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#ifdef __cplusplus
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extern "C" {
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#endif
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#define AES128_KEY_SIZE 16
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#ifndef CC3000_UNENCRYPTED_SMART_CONFIG
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//*****************************************************************************
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//
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//! aes_encrypt
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//!
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//! @param[in] key AES128 key of size 16 bytes
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//! @param[in\out] state 16 bytes of plain text and cipher text
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//!
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//! @return none
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//!
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//! @brief AES128 encryption:
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//! Given AES128 key and 16 bytes plain text, cipher text of 16 bytes
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//! is computed. The AES implementation is in mode ECB (Electronic
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//! Code Book).
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//!
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//!
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//*****************************************************************************
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extern void aes_encrypt(unsigned char *state, unsigned char *key);
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//*****************************************************************************
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//
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//! aes_decrypt
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//!
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//! @param[in] key AES128 key of size 16 bytes
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//! @param[in\out] state 16 bytes of cipher text and plain text
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//!
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//! @return none
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//!
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//! @brief AES128 decryption:
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//! Given AES128 key and 16 bytes cipher text, plain text of 16 bytes
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//! is computed The AES implementation is in mode ECB
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//! (Electronic Code Book).
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//!
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//!
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//*****************************************************************************
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extern void aes_decrypt(unsigned char *state, unsigned char *key);
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//*****************************************************************************
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//
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//! aes_read_key
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//!
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//! @param[out] key AES128 key of size 16 bytes
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//!
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//! @return on success 0, error otherwise.
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//!
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//! @brief Reads AES128 key from EEPROM
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//! Reads the AES128 key from fileID #12 in EEPROM
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//! returns an error if the key does not exist.
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//!
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//!
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//*****************************************************************************
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extern signed long aes_read_key(unsigned char *key);
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//*****************************************************************************
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//
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//! aes_write_key
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//!
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//! @param[out] key AES128 key of size 16 bytes
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//!
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//! @return on success 0, error otherwise.
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//!
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//! @brief writes AES128 key from EEPROM
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//! Writes the AES128 key to fileID #12 in EEPROM
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//!
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//!
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//*****************************************************************************
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extern signed long aes_write_key(unsigned char *key);
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#endif //CC3000_UNENCRYPTED_SMART_CONFIG
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//*****************************************************************************
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//
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// Mark the end of the C bindings section for C++ compilers.
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//
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//*****************************************************************************
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#ifdef __cplusplus
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}
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#endif // __cplusplus
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#endif
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