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xiaozhengsheng
2025-08-19 09:49:41 +08:00
parent 10f1ddf1c1
commit 6df0f7d96e
2974 changed files with 1712873 additions and 54 deletions
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95
components/libraries/crypto/backend/nrf_hw/nrf_hw_backend_init.c Normal file
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/**
* Copyright (c) 2018 - 2020, Nordic Semiconductor ASA
*
* 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, except as embedded into a Nordic
* Semiconductor ASA integrated circuit in a product or a software update for
* such product, 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 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.
*
* 4. This software, with or without modification, must only be used with a
* Nordic Semiconductor ASA integrated circuit.
*
* 5. Any software provided in binary form under this license must not be reverse
* engineered, decompiled, modified and/or disassembled.
*
* THIS SOFTWARE IS PROVIDED BY NORDIC SEMICONDUCTOR ASA "AS IS" AND ANY EXPRESS
* OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY, NONINFRINGEMENT, AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL NORDIC SEMICONDUCTOR ASA 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.
*
*/
#include "sdk_common.h"
#if NRF_MODULE_ENABLED(NRF_CRYPTO) && NRF_MODULE_ENABLED(NRF_CRYPTO_BACKEND_NRF_HW_RNG)
#include "nrf.h"
#include "nrf_crypto_init.h"
#include "nrf_crypto_rng.h"
static ret_code_t nrf_hw_backend_init(void)
{
#if defined(NRF_CRYPTO_RNG_AUTO_INIT_ENABLED) && (NRF_CRYPTO_RNG_AUTO_INIT_ENABLED == 1)
uint32_t ret_val;
ret_val = nrf_crypto_rng_init(NULL, NULL);
return ret_val;
#elif defined(NRF_CRYPTO_RNG_AUTO_INIT_ENABLED) && (NRF_CRYPTO_RNG_AUTO_INIT_ENABLED == 0)
return NRF_SUCCESS;
#else
#warning NRF_CRYPTO_RNG_AUTO_INIT_ENABLED define not found in sdk_config.h (Is the sdk_config.h valid?).
#endif // NRF_CRYPTO_RNG_AUTO_INIT_ENABLED
}
static ret_code_t nrf_hw_backend_uninit(void)
{
#if defined(NRF_CRYPTO_RNG_AUTO_INIT_ENABLED) && (NRF_CRYPTO_RNG_AUTO_INIT_ENABLED == 1)
uint32_t ret_val;
ret_val = nrf_crypto_rng_uninit();
return ret_val;
#elif defined(NRF_CRYPTO_RNG_AUTO_INIT_ENABLED) && (NRF_CRYPTO_RNG_AUTO_INIT_ENABLED == 0)
return NRF_SUCCESS;
#else
#warning NRF_CRYPTO_RNG_AUTO_INIT_ENABLED define not found in sdk_config.h (Is the sdk_config.h valid?).
#endif // NRF_MODULE_ENABLED(NRF_CRYPTO_RNG_AUTO_INIT)
}
CRYPTO_BACKEND_REGISTER(nrf_crypto_backend_info_t const nrf_hw_backend) =
{
.init_fn = nrf_hw_backend_init,
.uninit_fn = nrf_hw_backend_uninit
};
#endif // NRF_MODULE_ENABLED(NRF_CRYPTO) && NRF_MODULE_ENABLED(NRF_CRYPTO_BACKEND_NRF_HW_RNG)

101
components/libraries/crypto/backend/nrf_hw/nrf_hw_backend_rng.c Normal file
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/**
* Copyright (c) 2018 - 2020, Nordic Semiconductor ASA
*
* 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, except as embedded into a Nordic
* Semiconductor ASA integrated circuit in a product or a software update for
* such product, 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 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.
*
* 4. This software, with or without modification, must only be used with a
* Nordic Semiconductor ASA integrated circuit.
*
* 5. Any software provided in binary form under this license must not be reverse
* engineered, decompiled, modified and/or disassembled.
*
* THIS SOFTWARE IS PROVIDED BY NORDIC SEMICONDUCTOR ASA "AS IS" AND ANY EXPRESS
* OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY, NONINFRINGEMENT, AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL NORDIC SEMICONDUCTOR ASA 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.
*
*/
#include "sdk_common.h"
#if NRF_MODULE_ENABLED(NRF_CRYPTO) && \
NRF_MODULE_ENABLED(NRF_CRYPTO_BACKEND_NRF_HW_RNG) && \
!NRF_MODULE_ENABLED(NRF_CRYPTO_BACKEND_NRF_HW_RNG_MBEDTLS_CTR_DRBG)
#include "nrf_crypto_rng.h"
#include "nrf_drv_rng.h"
ret_code_t nrf_crypto_rng_backend_init(void * const p_context,
void * const p_temp_buffer)
{
ret_code_t ret_val;
UNUSED_PARAMETER(p_context);
UNUSED_PARAMETER(p_temp_buffer);
ret_val = nrf_drv_rng_init(NULL);
return ret_val;
}
ret_code_t nrf_crypto_rng_backend_uninit(void * const p_context)
{
UNUSED_PARAMETER(p_context);
nrf_drv_rng_uninit();
return NRF_SUCCESS;
}
ret_code_t nrf_crypto_rng_backend_vector_generate(void * const p_context,
uint8_t * const p_target,
size_t size,
bool use_mutex)
{
UNUSED_PARAMETER(use_mutex);
UNUSED_PARAMETER(p_context);
nrf_drv_rng_block_rand(p_target, size);
return NRF_SUCCESS;
}
ret_code_t nrf_crypto_rng_backend_reseed(void * const p_context,
void * p_temp_buffer,
uint8_t * p_input_data,
size_t size)
{
UNUSED_PARAMETER(p_context);
UNUSED_PARAMETER(p_temp_buffer);
UNUSED_PARAMETER(p_input_data);
UNUSED_PARAMETER(size);
return NRF_ERROR_CRYPTO_FEATURE_UNAVAILABLE;
}
#endif //NRF_MODULE_ENABLED(NRF_CRYPTO) && NRF_MODULE_ENABLED(NRF_CRYPTO_BACKEND_NRF_HW_RNG) && !NRF_MODULE_ENABLED(NRF_CRYPTO_BACKEND_NRF_HW_RNG_MBEDTLS_CTR_DRBG)

104
components/libraries/crypto/backend/nrf_hw/nrf_hw_backend_rng.h Normal file
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/**
* Copyright (c) 2018 - 2020, Nordic Semiconductor ASA
*
* 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, except as embedded into a Nordic
* Semiconductor ASA integrated circuit in a product or a software update for
* such product, 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 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.
*
* 4. This software, with or without modification, must only be used with a
* Nordic Semiconductor ASA integrated circuit.
*
* 5. Any software provided in binary form under this license must not be reverse
* engineered, decompiled, modified and/or disassembled.
*
* THIS SOFTWARE IS PROVIDED BY NORDIC SEMICONDUCTOR ASA "AS IS" AND ANY EXPRESS
* OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY, NONINFRINGEMENT, AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL NORDIC SEMICONDUCTOR ASA 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.
*
*/
#ifndef NRF_HW_BACKEND_RNG_H__
#define NRF_HW_BACKEND_RNG_H__
/** @file
*
* @defgroup nrf_crypto_nrf_hw_backend_rng nrf_crypto HW RNG backend
* @{
* @ingroup nrf_crypto_backends
*
* @brief RNG functionality provided by the nrf_crypto nRF HW RNG backend.
*/
#include "sdk_common.h"
#if NRF_MODULE_ENABLED(NRF_CRYPTO_BACKEND_NRF_HW_RNG) && \
!NRF_MODULE_ENABLED(NRF_CRYPTO_BACKEND_NRF_HW_RNG_MBEDTLS_CTR_DRBG)
#if !NRF_MODULE_ENABLED(RNG)
#error Enable RNG_ENABLED in sdk_config.h.
#endif
#if !NRFX_RNG_CONFIG_ERROR_CORRECTION
#error Enable NRFX_RNG_CONFIG_ERROR_CORRECTION and RNG_CONFIG_ERROR_CORRECTION in sdk_config.h.
#endif
#include "nrf_crypto_rng_shared.h"
#ifdef __cplusplus
extern "C" {
#endif
#if NRF_MODULE_ENABLED(NRF_CRYPTO_RNG)
#error "More than one RNG backend enabled."
#endif // NRF_MODULE_ENABLED(NRF_CRYPTO_RNG)
#define NRF_CRYPTO_RNG_ENABLED 1
/**
* @internal @brief Context for nRF RNG peripheral.
*/
typedef struct
{
nrf_crypto_rng_internal_context_t header; //!< Internal common context header.
} nrf_crypto_backend_rng_context_t;
/**
* @internal @brief Dummy temp buffer for nRF RNG peripheral.
*/
typedef struct
{
uint32_t reserved;
} nrf_crypto_backend_rng_temp_buffer_t;
#ifdef __cplusplus
}
#endif
#endif // NRF_MODULE_ENABLED(NRF_CRYPTO_BACKEND_NRF_HW_RNG) && !NRF_MODULE_ENABLED(NRF_CRYPTO_BACKEND_NRF_HW_RNG_MBEDTLS_CTR_DRBG)
/**@} */
#endif // NRF_HW_BACKEND_RNG_H__

168
components/libraries/crypto/backend/nrf_hw/nrf_hw_backend_rng_mbedtls.c Normal file
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/**
* Copyright (c) 2018 - 2020, Nordic Semiconductor ASA
*
* 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, except as embedded into a Nordic
* Semiconductor ASA integrated circuit in a product or a software update for
* such product, 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 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.
*
* 4. This software, with or without modification, must only be used with a
* Nordic Semiconductor ASA integrated circuit.
*
* 5. Any software provided in binary form under this license must not be reverse
* engineered, decompiled, modified and/or disassembled.
*
* THIS SOFTWARE IS PROVIDED BY NORDIC SEMICONDUCTOR ASA "AS IS" AND ANY EXPRESS
* OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY, NONINFRINGEMENT, AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL NORDIC SEMICONDUCTOR ASA 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.
*
*/
#include "sdk_common.h"
#if NRF_MODULE_ENABLED(NRF_CRYPTO) && \
NRF_MODULE_ENABLED(NRF_CRYPTO_BACKEND_NRF_HW_RNG) && \
NRF_MODULE_ENABLED(NRF_CRYPTO_BACKEND_NRF_HW_RNG_MBEDTLS_CTR_DRBG)
#include "nrf_crypto_rng.h"
#include "nrf_drv_rng.h"
#include "nrf_hw_backend_rng_mbedtls.h"
// Function to convert mbedtls error codes to ret_code_t.
static ret_code_t result_get(int mbedtls_ret_val)
{
ret_code_t ret_val;
switch (mbedtls_ret_val)
{
case 0:
ret_val = NRF_SUCCESS;
break;
case MBEDTLS_ERR_CTR_DRBG_INPUT_TOO_BIG:
ret_val = NRF_ERROR_CRYPTO_INPUT_LENGTH;
break;
case MBEDTLS_ERR_CTR_DRBG_REQUEST_TOO_BIG:
ret_val = NRF_ERROR_CRYPTO_OUTPUT_LENGTH;
break;
case MBEDTLS_ERR_CTR_DRBG_ENTROPY_SOURCE_FAILED:
default:
ret_val = NRF_ERROR_CRYPTO_INTERNAL;
break;
}
return ret_val;
}
// Callback function used by mbed TLS to seed and reseed.
static int entropy_callback(void * p_entropy, unsigned char * p_buffer, size_t size)
{
UNUSED_PARAMETER(p_entropy);
nrf_drv_rng_block_rand(p_buffer, size);
return 0;
}
ret_code_t nrf_crypto_rng_backend_init(void * const p_context, void * const p_temp_buffer)
{
ret_code_t ret_val;
int mbedtls_ret_val;
mbedtls_ctr_drbg_context * p_mbedtls_context =
&((nrf_crypto_backend_rng_context_t *)p_context)->mbedtls_context;
UNUSED_PARAMETER(p_temp_buffer);
ret_val = nrf_drv_rng_init(NULL);
if (ret_val != NRF_SUCCESS)
{
return ret_val;
}
mbedtls_ctr_drbg_init(p_mbedtls_context);
// Initial seeding. The nrf_crypto_rng API does not support additional entropy in the initial
// seeding. Additional entropy can be provided using nrf_crypto_rng_backend_reseed(),
// which calls mbedtls_ctr_drbg_reseed().
mbedtls_ret_val = mbedtls_ctr_drbg_seed(p_mbedtls_context,
entropy_callback,
NULL,
NULL,
0);
ret_val = result_get(mbedtls_ret_val);
return ret_val;
}
ret_code_t nrf_crypto_rng_backend_uninit(void * const p_context)
{
mbedtls_ctr_drbg_context * p_mbedtls_context =
&((nrf_crypto_backend_rng_context_t *)p_context)->mbedtls_context;
mbedtls_ctr_drbg_free(p_mbedtls_context);
nrf_drv_rng_uninit();
return NRF_SUCCESS;
}
ret_code_t nrf_crypto_rng_backend_vector_generate(void * const p_context,
uint8_t * const p_target,
size_t size,
bool use_mutex)
{
int mbedtls_ret_val;
mbedtls_ctr_drbg_context * p_mbedtls_context =
&((nrf_crypto_backend_rng_context_t *)p_context)->mbedtls_context;
UNUSED_PARAMETER(use_mutex);
mbedtls_ret_val = mbedtls_ctr_drbg_random(p_mbedtls_context, p_target, size);
return result_get(mbedtls_ret_val);
}
ret_code_t nrf_crypto_rng_backend_reseed(void * const p_context,
void * p_temp_buffer,
uint8_t * p_input_data,
size_t size)
{
int mbedtls_ret_val;
mbedtls_ctr_drbg_context * p_mbedtls_context =
&((nrf_crypto_backend_rng_context_t *)p_context)->mbedtls_context;
UNUSED_PARAMETER(p_temp_buffer);
mbedtls_ret_val = mbedtls_ctr_drbg_reseed(p_mbedtls_context, p_input_data, size);
return result_get(mbedtls_ret_val);
}
#endif //NRF_MODULE_ENABLED(NRF_CRYPTO) && NRF_MODULE_ENABLED(NRF_CRYPTO_BACKEND_NRF_HW_RNG) && NRF_MODULE_ENABLED(NRF_CRYPTO_BACKEND_NRF_HW_RNG_MBEDTLS_CTR_DRBG)

108
components/libraries/crypto/backend/nrf_hw/nrf_hw_backend_rng_mbedtls.h Normal file
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/**
* Copyright (c) 2018 - 2020, Nordic Semiconductor ASA
*
* 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, except as embedded into a Nordic
* Semiconductor ASA integrated circuit in a product or a software update for
* such product, 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 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.
*
* 4. This software, with or without modification, must only be used with a
* Nordic Semiconductor ASA integrated circuit.
*
* 5. Any software provided in binary form under this license must not be reverse
* engineered, decompiled, modified and/or disassembled.
*
* THIS SOFTWARE IS PROVIDED BY NORDIC SEMICONDUCTOR ASA "AS IS" AND ANY EXPRESS
* OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY, NONINFRINGEMENT, AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL NORDIC SEMICONDUCTOR ASA 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.
*
*/
#ifndef NRF_HW_BACKEND_RNG_MBEDTLS_H__
#define NRF_HW_BACKEND_RNG_MBEDTLS_H__
/** @file
*
* @defgroup nrf_crypto_nrf_hw_backend_rng_mbedtls nrf_crypto HW RNG backend using mbedtls CTR-DRBG
* @{
* @ingroup nrf_crypto_nrf_hw_backend_rng
*
* @brief RNG functionality provided by the nrf_crypto nRF HW RNG backend and mbedtls CTR-DRBG.
*/
#include "sdk_common.h"
#if NRF_MODULE_ENABLED(NRF_CRYPTO_BACKEND_NRF_HW_RNG) && \
NRF_MODULE_ENABLED(NRF_CRYPTO_BACKEND_NRF_HW_RNG_MBEDTLS_CTR_DRBG)
#if !NRF_MODULE_ENABLED(RNG)
#error Enable RNG_ENABLED in sdk_config.h.
#endif
#if !NRFX_RNG_CONFIG_ERROR_CORRECTION
#error Enable NRFX_RNG_CONFIG_ERROR_CORRECTION and RNG_CONFIG_ERROR_CORRECTION in sdk_config.h.
#endif
/*lint -save -e????*/
#include "mbedtls/ctr_drbg.h"
/*lint -restore*/
#include "nrf_crypto_rng_shared.h"
#ifdef __cplusplus
extern "C" {
#endif
#if NRF_MODULE_ENABLED(NRF_CRYPTO_RNG)
#error "More than one RNG backend enabled."
#endif // NRF_MODULE_ENABLED(NRF_CRYPTO_RNG)
#define NRF_CRYPTO_RNG_ENABLED 1
/**
* @internal @brief Context for nRF RNG peripheral with mbed tls CTR-DRBG.
*/
typedef struct
{
nrf_crypto_rng_internal_context_t header; //!< Internal common context header.
mbedtls_ctr_drbg_context mbedtls_context; //!< mbed TLS CTR-DRBG context.
} nrf_crypto_backend_rng_context_t;
/**
* @internal @brief Dummy temp buffer for nRF RNG peripheral with mbed tls CTR-DRBG.
*/
typedef struct
{
uint32_t reserved;
} nrf_crypto_backend_rng_temp_buffer_t;
#ifdef __cplusplus
}
#endif
#endif // NRF_MODULE_ENABLED(NRF_CRYPTO_BACKEND_NRF_HW_RNG) && NRF_MODULE_ENABLED(NRF_CRYPTO_BACKEND_NRF_HW_RNG_MBEDTLS_CTR_DRBG)
/**@} */
#endif // NRF_HW_BACKEND_RNG_MBEDTLS_H__