aboutsummaryrefslogtreecommitdiff
path: root/thirdparty/nRF5_SDK_15.0.0_a53641a/components/libraries/crypto/backend/cc310_bl/cc310_bl_backend_init.c
diff options
context:
space:
mode:
Diffstat (limited to 'thirdparty/nRF5_SDK_15.0.0_a53641a/components/libraries/crypto/backend/cc310_bl/cc310_bl_backend_init.c')
-rw-r--r--thirdparty/nRF5_SDK_15.0.0_a53641a/components/libraries/crypto/backend/cc310_bl/cc310_bl_backend_init.c115
1 files changed, 115 insertions, 0 deletions
diff --git a/thirdparty/nRF5_SDK_15.0.0_a53641a/components/libraries/crypto/backend/cc310_bl/cc310_bl_backend_init.c b/thirdparty/nRF5_SDK_15.0.0_a53641a/components/libraries/crypto/backend/cc310_bl/cc310_bl_backend_init.c
new file mode 100644
index 0000000..38f440c
--- /dev/null
+++ b/thirdparty/nRF5_SDK_15.0.0_a53641a/components/libraries/crypto/backend/cc310_bl/cc310_bl_backend_init.c
@@ -0,0 +1,115 @@
+/**
+ * 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_BL)
+
+#include "nrf.h"
+#include "nrf_crypto_init.h"
+#include "nrf_crypto_error.h"
+
+#include "cc310_bl_backend_shared.h"
+#include "cc310_backend_mutex.h"
+#include "sns_silib.h"
+#include "nrf_cc310_bl_init.h"
+
+/**@brief Mutex to ensure single access to nrf_cc310_bl resources */
+nrf_mtx_t g_cc310_mutex;
+
+static uint32_t init_result_get(uint32_t crys_error)
+{
+ uint32_t ret_val = NRF_ERROR_INTERNAL;
+ switch (crys_error)
+ {
+ case SA_SILIB_RET_OK:
+ ret_val = NRF_SUCCESS;
+ break;
+
+ case SA_SILIB_RET_EINVAL_HW_VERSION:
+ ret_val = NRF_ERROR_CRYPTO_FEATURE_UNAVAILABLE;
+ break;
+
+ default:
+ ret_val = NRF_ERROR_INTERNAL;
+ break;
+ }
+
+ return ret_val;
+}
+
+
+static ret_code_t cc310_bl_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_BL run-time library
+ crys_error = nrf_cc310_bl_init();
+
+ // Disable the CC310 HW after initialization.
+ NRF_CRYPTOCELL->ENABLE = 0;
+
+ ret_val = init_result_get(crys_error);
+
+ return ret_val;
+}
+
+
+static ret_code_t cc310_bl_backend_uninit(void)
+{
+ // Disable the CC310 HW.
+ NRF_CRYPTOCELL->ENABLE = 0;
+
+ return NRF_SUCCESS;
+}
+
+
+CRYPTO_BACKEND_REGISTER(nrf_crypto_backend_info_t const cc310_bl_backend) =
+{
+ .init_fn = cc310_bl_backend_init,
+ .uninit_fn = cc310_bl_backend_uninit
+};
+
+#endif // NRF_MODULE_ENABLED(NRF_CRYPTO) && NRF_MODULE_ENABLED(NRF_CRYPTO_BACKEND_CC310_BL)