1 files changed, 115 insertions, 0 deletions
diff --git a/thirdparty/nRF5_SDK_15.0.0_a53641a/components/libraries/crypto/backend/cc310/cc310_backend_shared.c b/thirdparty/nRF5_SDK_15.0.0_a53641a/components/libraries/crypto/backend/cc310/cc310_backend_shared.c
new file mode 100644
index 0000000..d5f2351
--- /dev/null
+++ b/thirdparty/nRF5_SDK_15.0.0_a53641a/components/libraries/crypto/backend/cc310/cc310_backend_shared.c
@@ -0,0 +1,115 @@
+/**
+ * Copyright (c) 2017 - 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 "cc310_backend_shared.h"
+#include "nrf_crypto_error.h"
+#include "nrf_crypto_rng.h"
+#include "crys_rnd_error.h"
+#include "nrf_crypto_shared.h"
+#include "cc310_backend_shared.h"
+
+
+static uint32_t m_use_count = 0;
+
+void cc310_backend_enable(void)
+{
+    m_use_count++;
+
+    if (m_use_count == 1)
+    {
+        // Enable the CryptoCell hardware
+        NRF_CRYPTOCELL->ENABLE = 1;
+
+        // Enable the CryptoCell IRQ
+        NVIC_EnableIRQ(CRYPTOCELL_IRQn);
+    }
+}
+
+void cc310_backend_disable(void)
+{
+    m_use_count--;
+
+    // If no more users. Disable HW/IRQ
+    if (m_use_count == 0)
+    {
+        // Disable the CryptoCell hardware
+        NRF_CRYPTOCELL->ENABLE = 0;
+
+        // Disable the CryptoCell IRQ
+        NVIC_DisableIRQ(CRYPTOCELL_IRQn);
+    }
+}
+
+
+uint32_t nrf_crypto_backend_cc310_rng(void * p_state, uint16_t size, uint8_t * p_data)
+{
+#if defined(NRF_CRYPTO_RNG_ENABLED) && (NRF_CRYPTO_RNG_ENABLED == 1)
+
+    ret_code_t result = nrf_crypto_rng_vector_generate_no_mutex(p_data, (size_t)size);
+    if (result == NRF_SUCCESS)
+    {
+        return CRYS_OK;
+    }
+    else if (result == NRF_ERROR_CRYPTO_CONTEXT_NOT_INITIALIZED)
+    {
+        return CRYS_RND_INSTANTIATION_NOT_DONE_ERROR;
+    }
+    else
+    {
+        return CRYS_RND_IS_NOT_SUPPORTED;
+    }
+
+#elif defined(NRF_CRYPTO_RNG_ENABLED) && (NRF_CRYPTO_RNG_ENABLED == 0)
+
+    return NRF_ERROR_CRYPTO_FEATURE_UNAVAILABLE;
+
+#else
+
+    #warning NRF_CRYPTO_RNG_ENABLED define not found in sdk_config.h (Is the sdk_config.h valid?).
+
+#endif // NRF_CRYPTO_RNG_ENABLED
+}
+
+
+#endif // NRF_MODULE_ENABLED(NRF_CRYPTO) && NRF_MODULE_ENABLED(NRF_CRYPTO_BACKEND_CC310)