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/*
* Copyright (c) 2021, Arm Limited and Contributors. All rights reserved.
*
* SPDX-License-Identifier: BSD-3-Clause
*/
#ifndef MBED_CRYPTO_TRNG_ADAPTER_H
#define MBED_CRYPTO_TRNG_ADAPTER_H
/*
* The build-time configuration of Mbed Crypto creates a dependency on a
* hardware-based entropy source that provides an implementation of the
* mbedtls_hardware_poll function. Depending on the environment, this
* could be realized in different ways e.g. via a native environment
* specific service or using a platform specific driver. This header
* file defines the common interface for initializing and configuring
* the adapter that provides the entropy source.
*/
#ifdef __cplusplus
extern "C" {
#endif
/**
* \brief Initialise the trng adapter
*
* \param instance Deployment specific trng instance.
*
* \return 0 if successful.
*/
int trng_adapter_init(int instance);
/**
* \brief Cleans-up the trng adapter.
*/
void trng_adapter_deinit();
#ifdef __cplusplus
} /* extern "C" */
#endif
#endif /* MBED_CRYPTO_TRNG_ADAPTER_H */
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