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/*
* FreeRTOS V202111.00
* Copyright (C) 2020 Amazon.com, Inc. or its affiliates. All Rights Reserved.
*
* Permission is hereby granted, free of charge, to any person obtaining a copy of
* this software and associated documentation files (the "Software"), to deal in
* the Software without restriction, including without limitation the rights to
* use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of
* the Software, and to permit persons to whom the Software is furnished to do so,
* subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in all
* copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
* FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
* COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
* IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
*
* https://www.FreeRTOS.org
* https://github.com/FreeRTOS
*
*/
#ifndef _DEMO_HELPER_FUNCTIONS_
#define _DEMO_HELPER_FUNCTIONS_
#include "core_pkcs11.h"
#include "threading_alt.h"
#include "mbedtls/pk.h"
/* This function contains standard setup code for PKCS #11. See the
* "management_and_rng.c" file for the demo code explaining this section
* of cryptoki.
*/
void vStart( CK_SESSION_HANDLE * pxSession,
CK_SLOT_ID ** ppxSlotId );
/*-----------------------------------------------------------*/
/* This function contains standard tear down code for PKCS #11. See the
* "management_and_rng.c" file for the demo code explaining this section
* of cryptoki.
*/
void vEnd( CK_SESSION_HANDLE xSession,
CK_SLOT_ID * pxSlotId );
/*-----------------------------------------------------------*/
/* This function is simply a helper function to print the raw hex values
* of an EC public key. It's explanation is not within the scope of the demos
* and is sparsely commented. */
void vWriteHexBytesToConsole( char * pcDescription,
CK_BYTE * pucData,
CK_ULONG ulDataLength );
/*-----------------------------------------------------------*/
/* This function is simply a helper function to export the raw hex values
* of an EC public key into a buffer. It's explanation is not within the
* scope of the demos and is sparsely commented. */
CK_RV vExportPublicKey( CK_SESSION_HANDLE xSession,
CK_OBJECT_HANDLE xPublicKeyHandle,
CK_BYTE ** ppucDerPublicKey,
CK_ULONG * pulDerPublicKeyLength );
/*-----------------------------------------------------------*/
/**
* @brief Implements libc calloc semantics using the FreeRTOS heap
*/
void * pvCalloc( size_t xNumElements,
size_t xSize );
/*-----------------------------------------------------------*/
/**
* @brief Implementation of mbedtls_mutex_init for thread-safety.
*
*/
void aws_mbedtls_mutex_init( mbedtls_threading_mutex_t * mutex );
/*-----------------------------------------------------------*/
/**
* @brief Implementation of mbedtls_mutex_free for thread-safety.
*
*/
void aws_mbedtls_mutex_free( mbedtls_threading_mutex_t * mutex );
/*-----------------------------------------------------------*/
/**
* @brief Implementation of mbedtls_mutex_lock for thread-safety.
*
* @return 0 if successful, MBEDTLS_ERR_THREADING_MUTEX_ERROR if timeout,
* MBEDTLS_ERR_THREADING_BAD_INPUT_DATA if the mutex is not valid.
*/
int aws_mbedtls_mutex_lock( mbedtls_threading_mutex_t * mutex );
/*-----------------------------------------------------------*/
/**
* @brief Implementation of mbedtls_mutex_unlock for thread-safety.
*
* @return 0 if successful, MBEDTLS_ERR_THREADING_MUTEX_ERROR if timeout,
* MBEDTLS_ERR_THREADING_BAD_INPUT_DATA if the mutex is not valid.
*/
int aws_mbedtls_mutex_unlock( mbedtls_threading_mutex_t * mutex );
#endif /* _DEMO_HELPER_FUNCTIONS_ */
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