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git-subtree-dir: examples/knx-cc1310/coresdk_cc13xx_cc26xx git-subtree-split: 0d78d3280357416a5c0388148cda13717c9ffaa5
103 lines
3.7 KiB
C
103 lines
3.7 KiB
C
/*
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* Copyright (c) 2017, Texas Instruments Incorporated
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* All rights reserved.
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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 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 "AS IS"
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* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
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* THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
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* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
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* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
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* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
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* OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
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* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
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* OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE,
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* EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#include <stdbool.h>
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#include <stdint.h>
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#include <stdlib.h>
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#include <string.h>
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#include <ti/drivers/cryptoutils/cryptokey/CryptoKeyPlaintext.h>
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/*!
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* \brief Initializes a CryptoKey type
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*
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*
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* @param[in] keyHandle Pointer to a CryptoKey which will be initialized to type CryptoKey_PLAINTEXT
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* and ready for use
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* @param[in] key Pointer to key value
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* @param[in] keyLength Length of key, in bytes
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*
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*/
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int_fast16_t CryptoKeyPlaintext_initKey(CryptoKey *keyHandle, uint8_t *key, size_t keyLength){
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keyHandle->encoding = CryptoKey_PLAINTEXT;
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keyHandle->u.plaintext.keyMaterial = key;
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keyHandle->u.plaintext.keyLength = keyLength;
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return CryptoKey_STATUS_SUCCESS;
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}
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/*!
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* \brief Initializes an empty plaintext CryptoKey type
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*
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*
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* @param[in] keyHandle Pointer to a CryptoKey which will be initialized to type
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* CryptoKey_BLANK_PLAINTEXT
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* @param[in] keyLocation Pointer to location where plaintext key can be stored
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* @param[in] keyLength Length of array allocated at key, in bytes
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*
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*/
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int_fast16_t CryptoKeyPlaintext_initBlankKey(CryptoKey *keyHandle, uint8_t *keyLocation, size_t keyLength){
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return CryptoKeyPlaintext_initKey(keyHandle, keyLocation, keyLength);
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}
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/*!
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* \brief Sets the CryptoKey.keyLocation pointer
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*
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* Updates the key location for a plaintext CryptoKey.
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* Does not modify data at the pointer location.
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*
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* @param[in] keyHandle Pointer to a plaintext CryptoKey who's key data pointer will be modified
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* @param[in] location Pointer to key data location
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*/
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int_fast16_t CryptoKeyPlaintext_setKeyLocation(CryptoKey *keyHandle, uint8_t *location){
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keyHandle->u.plaintext.keyMaterial = location;
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return CryptoKey_STATUS_SUCCESS;
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}
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/*!
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* \brief Gets the length of a plaintext key
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*
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* @param[in] keyHandle Pointer to a plaintext CryptoKey
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* @param[in] length Length value will be updated to CryptoKey length, in bytes
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*/
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int_fast16_t CryptoKeyPlaintext_getKeyLength(CryptoKey *keyHandle, size_t *length){
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*length = keyHandle->u.plaintext.keyLength;
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return CryptoKey_STATUS_SUCCESS;
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}
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