71 lines
3.2 KiB
C
71 lines
3.2 KiB
C
/*
|
|
* Copyright (c) 2018, Texas Instruments Incorporated - http://www.ti.com/
|
|
* All rights reserved.
|
|
*
|
|
* Redistribution and use in source and binary forms, with or without
|
|
* modification, are permitted provided that the following conditions
|
|
* are met:
|
|
* 1. Redistributions of source code must retain the above copyright
|
|
* notice, this list of conditions and the following disclaimer.
|
|
* 2. 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.
|
|
* 3. Neither the name of the copyright holder 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 HOLDER 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.
|
|
*/
|
|
/**
|
|
* \addtogroup cc13xx-cc26xx-cpu
|
|
* @{
|
|
*
|
|
* \defgroup cc13xx-cc26xx-trng True Random Number Generator for CC13xx/CC26xx.
|
|
* @{
|
|
*
|
|
* \file
|
|
* Header file of True Random Number Generator for CC13xx/CC26xx.
|
|
* \author
|
|
* Edvard Pettersen <e.pettersen@ti.com>
|
|
*/
|
|
/*---------------------------------------------------------------------------*/
|
|
#ifndef TRNG_ARCH_H_
|
|
#define TRNG_ARCH_H_
|
|
/*---------------------------------------------------------------------------*/
|
|
#include <contiki.h>
|
|
/*---------------------------------------------------------------------------*/
|
|
#include <stdbool.h>
|
|
#include <stdint.h>
|
|
/*---------------------------------------------------------------------------*/
|
|
#define TRNG_WAIT_FOREVER (~(uint32_t)0)
|
|
/*---------------------------------------------------------------------------*/
|
|
/**
|
|
* \brief Generates a stream of entropy from which you can create
|
|
* a true random number from. This is a blocking function
|
|
* call with a specified timeout.
|
|
* \param entropy_buf Buffer to store a stream of entropy.
|
|
* \param entropy_len Length of the entropy buffer.
|
|
* \param timeout_us How long to wait until timing out the operation. A
|
|
* timeout of TRNG_WAIT_FOREVER blocks forever.
|
|
* \return true if successful; else, false.
|
|
*/
|
|
bool trng_rand(uint8_t *entropy_buf, size_t entropy_len, uint32_t timeout_us);
|
|
/*---------------------------------------------------------------------------*/
|
|
#endif /* TRNG_ARCH_H_ */
|
|
/*---------------------------------------------------------------------------*/
|
|
/**
|
|
* @}
|
|
* @}
|
|
*/
|