cascoda_rand.h

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/*
 *  Copyright (c) 2020, Cascoda Ltd.
 *  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
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 *  ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
 *  POSSIBILITY OF SUCH DAMAGE.
 */
 
#ifndef CASCODA_RAND_H
#define CASCODA_RAND_H
 
#include <stddef.h>
#include <stdint.h>
 
#include "ca821x_api.h"
#include "ca821x_error.h"
 
#ifdef __cplusplus
extern "C" {
#endif
 
void RAND_GetBytes(uint16_t aNumBytes, void *aBytesOut);
 
void RAND_Seed(uint64_t aSeed);
 
void RAND_SeedFromDev(struct ca821x_dev *pDeviceRef);
 
ca_error RAND_GetCryptoBytes(uint16_t aNumBytes, void *aBytesOut);
 
void RAND_AddRadioEntropySource(void);
 
#ifdef __cplusplus
}
#endif
 
#endif // CASCODA_RAND_H