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diff --git a/thirdparty/nRF5_SDK_15.0.0_a53641a/components/libraries/crypto/backend/mbedtls/mbedtls_backend_hash.h b/thirdparty/nRF5_SDK_15.0.0_a53641a/components/libraries/crypto/backend/mbedtls/mbedtls_backend_hash.h
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index 0000000..f69be9b
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+++ b/thirdparty/nRF5_SDK_15.0.0_a53641a/components/libraries/crypto/backend/mbedtls/mbedtls_backend_hash.h
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+/**
+ * Copyright (c) 2018 - 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.
+ * 
+ */
+
+#ifndef MBEDTLS_BACKEND_HASH_H__
+#define MBEDTLS_BACKEND_HASH_H__
+
+/** @file
+ *
+ * @defgroup nrf_crypto_mbedtls_backend_hash nrf_crypto mbedtls backend hash
+ * @{
+ * @ingroup nrf_crypto_mbedtls_backend
+ *
+ * @brief Hash functionality provided by the nrf_crypto mbedtls backend.
+ */
+
+#include "sdk_common.h"
+
+#if NRF_MODULE_ENABLED(NRF_CRYPTO_BACKEND_MBEDTLS)
+
+#include "sdk_errors.h"
+#include "nrf_crypto_hash_shared.h"
+
+/*lint -save -e????*/
+#include "mbedtls/sha256.h"
+#include "mbedtls/sha512.h"
+/*lint -restore*/
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+#if NRF_MODULE_ENABLED(NRF_CRYPTO_BACKEND_MBEDTLS_HASH_SHA256)
+
+// Flag that nrf_crypto_hash frontend can be compiled
+#undef  NRF_CRYPTO_HASH_ENABLED
+#define NRF_CRYPTO_HASH_ENABLED 1
+
+// Duplicate backend enabled test for SHA-256
+#if NRF_MODULE_ENABLED(NRF_CRYPTO_HASH_SHA256)
+#error "Duplicate definition of SHA-256. More than one backend enabled");
+#endif
+
+// Flag that SHA-256 is enabled in backend
+#define NRF_CRYPTO_HASH_SHA256_ENABLED 1
+
+
+/**brief nrf_crypto_hash context for SHA-256 in nrf_crypto mbedtls backend. */
+typedef struct
+{
+    nrf_crypto_hash_internal_context_t  header;         /**< Common header for context. */
+    mbedtls_sha256_context              context;        /**< Hash context internal to mbedtls. */
+} nrf_crypto_backend_hash_sha256_context_t;
+
+
+#endif // NRF_CRYPTO_BACKEND_MBEDTLS_HASH_SHA256_ENABLED
+
+
+#if NRF_MODULE_ENABLED(NRF_CRYPTO_BACKEND_MBEDTLS_HASH_SHA512)
+
+// Flag that nrf_crypto_hash frontend can be compiled
+#undef  NRF_CRYPTO_HASH_ENABLED
+#define NRF_CRYPTO_HASH_ENABLED 1
+
+// Duplicate backend enabled test for SHA-512
+#if NRF_MODULE_ENABLED(NRF_CRYPTO_HASH_SHA512)
+#error "Duplicate definition of SHA-512. More than one backend enabled");
+#endif
+
+// Flag that SHA-512 is enabled in backend
+#define NRF_CRYPTO_HASH_SHA512_ENABLED 1
+
+
+/**brief nrf_crypto_hash context for SHA-512 in nrf_crypto mbedtls backend. */
+typedef struct
+{
+    nrf_crypto_hash_internal_context_t  header;         /**< Common header for context. */
+    mbedtls_sha512_context              context;        /**< Hash context internal to mbedtls. */
+} nrf_crypto_backend_hash_sha512_context_t;
+
+
+#endif // NRF_MODULE_ENABLED(NRF_CRYPTO_BACKEND_MBEDTLS_HASH_SHA512)
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif // NRF_MODULE_ENABLED(NRF_CRYPTO_BACKEND_MBEDTLS)
+
+/**@} */
+
+#endif //MBEDTLS_BACKEND_HASH_H__