owner-nrf52sdk/nRF5_SDK_15.3.0/components/libraries/crypto/nrf_crypto_rng_backend.h

/**
 * Copyright (c) 2018 - 2019, Nordic Semiconductor ASA
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 *    Semiconductor ASA integrated circuit in a product or a software update for
 *    such product, must reproduce the above copyright notice, this list of
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 *
 * 3. Neither the name of Nordic Semiconductor ASA nor the names of its
 *    contributors may be used to endorse or promote products derived from this
 *    software without specific prior written permission.
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 * 4. This software, with or without modification, must only be used with a
 *    Nordic Semiconductor ASA integrated circuit.
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#ifndef NRF_CRYPTO_RNG_BACKEND_H__
#define NRF_CRYPTO_RNG_BACKEND_H__

/** @file
 *
 * @defgroup nrf_crypto_rng_backend Meta RNG backend.
 * @{
 * @ingroup nrf_crypto_rng
 *
 * @brief Includes all backends definitions.
 *
 * @details This file includes all backend definitions.
 */

#include "cc310_backend_rng.h"
#include "nrf_hw_backend_rng.h"
#include "nrf_hw_backend_rng_mbedtls.h"
#include "optiga_backend_rng.h"

#if !NRF_MODULE_ENABLED(NRF_CRYPTO_RNG)

#ifdef __cplusplus
extern "C" {
#endif

/** @internal @brief Fallback dummy context type in case no backend is selected */
typedef nrf_crypto_rng_internal_context_t nrf_crypto_backend_rng_context_t;

/** @internal @brief Fallback dummy temp buffer type in case no backend is selected . */
typedef struct
{
    uint32_t reserved;
} nrf_crypto_backend_rng_temp_buffer_t;

#ifdef __cplusplus
}
#endif

#endif // !NRF_MODULE_ENABLED(NRF_CRYPTO_RNG)

/**@} */

#endif // NRF_CRYPTO_RNG_BACKEND_H__