1 files changed, 151 insertions, 0 deletions
diff --git a/thirdparty/nRF5_SDK_15.0.0_a53641a/components/libraries/crypto/backend/cc310/cc310_backend_init.c b/thirdparty/nRF5_SDK_15.0.0_a53641a/components/libraries/crypto/backend/cc310/cc310_backend_init.c
new file mode 100644
index 0000000..d930436
--- /dev/null
+++ b/thirdparty/nRF5_SDK_15.0.0_a53641a/components/libraries/crypto/backend/cc310/cc310_backend_init.c
@@ -0,0 +1,151 @@
+/**
+ * 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.
+ * 
+ */
+
+#include "sdk_common.h"
+#if NRF_MODULE_ENABLED(NRF_CRYPTO) && NRF_MODULE_ENABLED(NRF_CRYPTO_BACKEND_CC310)
+
+#include "nrf.h"
+#include "nrf_crypto_init.h"
+#include "cc310_backend_shared.h"
+#include "sns_silib.h"
+#include "cc310_backend_mutex.h"
+#include "nrf_crypto_rng.h"
+
+/**@internal @brief Function to enable CC310 (in HW)
+ */
+void cc310_backend_enable(void);
+
+
+/**@internal @brief Function to disable CC310 (in HW)
+ */
+void cc310_backend_disable(void);
+
+static uint32_t init_result_get(uint32_t crys_error)
+{
+    uint32_t ret_val = NRF_ERROR_INTERNAL;
+    switch (crys_error)
+    {
+        case CRYS_OK:
+            ret_val = NRF_SUCCESS;
+            break;
+
+        default:
+            ret_val = NRF_ERROR_INTERNAL;
+            break;
+    }
+
+    return ret_val;
+}
+
+static ret_code_t cc310_backend_init(void)
+{
+    uint32_t    ret_val;
+    CRYSError_t crys_error;
+
+    cc310_backend_mutex_init();
+
+    // Enable the CC310 HW.
+    NRF_CRYPTOCELL->ENABLE = 1;
+
+    // Initialize the CC310 run-time library
+    crys_error = SaSi_LibInit();
+
+    // Shut down CC310 after initialization.
+    NRF_CRYPTOCELL->ENABLE = 0;
+
+    ret_val = init_result_get(crys_error);
+    VERIFY_SUCCESS(ret_val);
+
+#if defined(NRF_CRYPTO_RNG_AUTO_INIT_ENABLED) && (NRF_CRYPTO_RNG_AUTO_INIT_ENABLED == 1)
+
+    ret_val = nrf_crypto_rng_init(NULL, NULL);
+    VERIFY_SUCCESS(ret_val);
+
+#elif defined(NRF_CRYPTO_RNG_AUTO_INIT_ENABLED) && (NRF_CRYPTO_RNG_AUTO_INIT_ENABLED == 0)
+
+    // Do nothing
+
+#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
+
+    return ret_val;
+}
+
+
+static ret_code_t cc310_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_init(NULL, NULL);
+    VERIFY_SUCCESS(ret_val);
+
+#elif defined(NRF_CRYPTO_RNG_AUTO_INIT_ENABLED) && (NRF_CRYPTO_RNG_AUTO_INIT_ENABLED == 0)
+
+    // Do nothing
+
+#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
+
+    // Initialize the CC310 HW to do shutdown.
+    NRF_CRYPTOCELL->ENABLE = 1;
+
+    SaSi_LibFini();
+
+    // Shut down CC310 after shutdown.
+    NRF_CRYPTOCELL->ENABLE = 0;
+
+    return NRF_SUCCESS;
+}
+
+
+CRYPTO_BACKEND_REGISTER(nrf_crypto_backend_info_t const cc310_backend) =
+{
+    .init_fn    = cc310_backend_init,
+    .uninit_fn  = cc310_backend_uninit,
+};
+
+#endif // NRF_MODULE_ENABLED(NRF_CRYPTO) && NRF_MODULE_ENABLED(NRF_CRYPTO_BACKEND_CC310)