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diff --git a/thirdparty/nRF5_SDK_15.0.0_a53641a/components/libraries/crypto/nrf_crypto_init.c b/thirdparty/nRF5_SDK_15.0.0_a53641a/components/libraries/crypto/nrf_crypto_init.c
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+++ b/thirdparty/nRF5_SDK_15.0.0_a53641a/components/libraries/crypto/nrf_crypto_init.c
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+/**
+ * Copyright (c) 2016 - 2018, 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)
+
+#include "nrf_crypto_init.h"
+#include "nrf_section.h"
+
+
+// Create a named section for crypto backend data
+NRF_SECTION_DEF(crypto_data, const nrf_crypto_backend_info_t);
+
+
+#define NRF_CRYPTO_BACKEND_SECTION_ITEM_GET(i) NRF_SECTION_ITEM_GET(crypto_data, nrf_crypto_backend_info_t, (i))
+#define NRF_CRYPTO_BACKEND_SECTION_ITEM_COUNT NRF_SECTION_ITEM_COUNT(crypto_data, nrf_crypto_backend_info_t)
+
+typedef enum
+{
+ UNINITIALIZED,
+ INITIALIZING,
+ INITIALIZED,
+} nrf_crypto_state_t;
+
+static volatile nrf_crypto_state_t m_state = UNINITIALIZED;
+
+
+ret_code_t nrf_crypto_init(void)
+{
+ ret_code_t ret_val;
+ size_t const num_backends = NRF_CRYPTO_BACKEND_SECTION_ITEM_COUNT;
+
+ m_state = INITIALIZING;
+
+ // Iterate through each backends to call the init function
+ for (size_t i = 0; i < num_backends; i++)
+ {
+ nrf_crypto_backend_info_t const * p_backend = NRF_CRYPTO_BACKEND_SECTION_ITEM_GET(i);
+ ret_val = p_backend->init_fn();
+ if (ret_val != NRF_SUCCESS)
+ {
+ return ret_val;
+ }
+ }
+
+ // Set nrf_crypto to initialized
+ m_state = INITIALIZED;
+ return NRF_SUCCESS;
+}
+
+
+ret_code_t nrf_crypto_uninit(void)
+{
+ ret_code_t ret_val;
+ size_t const num_backends = NRF_CRYPTO_BACKEND_SECTION_ITEM_COUNT;
+
+ // Iterate through each backends to call the uninit function
+ for (size_t i = 0; i < num_backends; i++)
+ {
+ nrf_crypto_backend_info_t const * p_backend = NRF_CRYPTO_BACKEND_SECTION_ITEM_GET(i);
+ ret_val = p_backend->uninit_fn();
+ if (ret_val != NRF_SUCCESS)
+ {
+ return ret_val;
+ }
+ }
+
+ // Set nrf_crypto to uninitialized
+ m_state = UNINITIALIZED;
+ return NRF_SUCCESS;
+}
+
+
+bool nrf_crypto_is_initialized(void)
+{
+ return (m_state == INITIALIZED);
+}
+
+
+bool nrf_crypto_is_initializing(void)
+{
+ return ((m_state == INITIALIZED) || m_state == INITIALIZING);
+}
+
+#endif // NRF_MODULE_ENABLED(NRF_CRYPTO)