142 lines
4.9 KiB
C
142 lines
4.9 KiB
C
/*****************************************************************************
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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 _INCLUDE_NUTTX_WIRELESS_CC3000_SECURITY_H
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#define _INCLUDE_NUTTX_WIRELESS_CC3000_SECURITY_H
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/*****************************************************************************
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* Included Files
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*****************************************************************************/
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#include "nvmem.h"
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/*****************************************************************************
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* Pre-processor Definitions
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*****************************************************************************/
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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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* Public Data
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*****************************************************************************/
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#ifdef __cplusplus
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extern "C"
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{
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#endif
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/*****************************************************************************
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* Public Function Prototypes
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/*****************************************************************************
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/*****************************************************************************
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* Name: aes_encrypt
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*
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* Description:
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* AES128 encryption: Given AES128 key and 16 bytes plain text, cipher
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* text of 16 bytes is computed. The AES implementation is in mode ECB
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* (Electronic Code Book).
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*
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* Input Parameters:
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* key AES128 key of size 16 bytes
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* state 16 bytes of plain text and cipher text
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*
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* Returned Value
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* None
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*
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*****************************************************************************/
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void aes_encrypt(uint8_t *state, uint8_t *key);
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/*****************************************************************************
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* Name: aes_decrypt
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*
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* Description:
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* AES128 decryption: Given AES128 key and 16 bytes cipher text, plain
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* text of 16 bytes is computed The AES implementation is in mode ECB
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* (Electronic Code Book).
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*
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* Input Parameters:
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* key AES128 key of size 16 bytes
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* state 16 bytes of plain text and cipher text
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*
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* Returned Value
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* None
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*
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*****************************************************************************/
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void aes_decrypt(uint8_t *state, uint8_t *key);
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/*****************************************************************************
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* Name: aes_read_key
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*
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* Description:
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* Reads AES128 key from EEPROM. Reads the AES128 key from fileID #12 in
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* EEPROM returns an error if the key does not exist.
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*
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* Input Parameters:
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* key AES128 key of size 16 bytes
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*
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* Returned Value
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* On success 0, error otherwise.
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*
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*****************************************************************************/
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signed long aes_read_key(uint8_t *key);
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/*****************************************************************************
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* Name: aes_write_key
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*
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* Description:
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* Writes AES128 key from EEPROM Writes the AES128 key to fileID #12 in
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* EEPROM
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*
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* Input Parameters:
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* key AES128 key of size 16 bytes
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*
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* Returned Value
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* On success 0, error otherwise.
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*
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*****************************************************************************/
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signed long aes_write_key(uint8_t *key);
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#ifdef __cplusplus
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}
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#endif /* __cplusplus */
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#endif /* CC3000_UNENCRYPTED_SMART_CONFIG */
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#endif /* _INCLUDE_NUTTX_WIRELESS_CC3000_SECURITY_H */
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