Diff: btle/btle_security.cpp

Revision:

133:74079098b3c9

Child:

134:df7e7964a9c3

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/btle/btle_security.cpp	Fri May 08 15:33:55 2015 +0100
@@ -0,0 +1,93 @@
+/* mbed Microcontroller Library
+ * Copyright (c) 2006-2013 ARM Limited
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#include "btle.h"
+#include "pstorage.h"
+#include "nRF51Gap.h"
+#include "device_manager.h"
+
+static ret_code_t dm_handler(dm_handle_t const *p_handle, dm_event_t const *p_event, ret_code_t event_result);
+
+ble_error_t
+btle_initializeSecurity()
+{
+    if (pstorage_init() != NRF_SUCCESS) {
+        return BLE_ERROR_UNSPECIFIED;
+    }
+
+    dm_init_param_t dm_init_param = {
+        .clear_persistent_data = false /* Set to true in case the module should clear all persistent data. */
+    };
+    if (dm_init(&dm_init_param) != NRF_SUCCESS) {
+        return BLE_ERROR_UNSPECIFIED;
+    }
+
+    uint8_t applicationInstance;
+    const dm_application_param_t dm_param = {
+        .evt_handler  = dm_handler,
+        .service_type = DM_PROTOCOL_CNTXT_GATT_CLI_ID,
+        .sec_param    = {
+            .bond          = 1,            /**< Perform bonding. */
+            .mitm          = 1,            /**< Man In The Middle protection required. */
+            .io_caps       = BLE_GAP_IO_CAPS_NONE, /**< IO capabilities, see @ref BLE_GAP_IO_CAPS. */
+            .oob           = 0,            /**< Out Of Band data available. */
+            .min_key_size  = 16,           /**< Minimum encryption key size in octets between 7 and 16. If 0 then not applicable in this instance. */
+            .max_key_size  = 16,           /**< Maximum encryption key size in octets between min_key_size and 16. */
+            .kdist_periph  = {
+              .enc  = 1,                     /**< Long Term Key and Master Identification. */
+              .id   = 1,                     /**< Identity Resolving Key and Identity Address Information. */
+              .sign = 1,                     /**< Connection Signature Resolving Key. */
+            },                             /**< Key distribution bitmap: keys that the peripheral device will distribute. */
+        }
+    };
+
+    ret_code_t rc;
+    if ((rc = dm_register(&applicationInstance, &dm_param)) != NRF_SUCCESS) {
+        switch (rc) {
+            case NRF_ERROR_INVALID_STATE:
+                return BLE_ERROR_INVALID_STATE;
+            case NRF_ERROR_NO_MEM:
+                return BLE_ERROR_NO_MEM;
+            default:
+                return BLE_ERROR_UNSPECIFIED;
+        }
+    }
+
+    return BLE_ERROR_NONE;
+}
+
+ret_code_t
+dm_handler(dm_handle_t const *p_handle, dm_event_t const *p_event, ret_code_t event_result)
+{
+    switch (p_event->event_id) {
+        case DM_EVT_SECURITY_SETUP: /* started */
+            nRF51Gap::getInstance().processSecuritySetupStartedEvent(p_event->event_param.p_gap_param->conn_handle);
+            break;
+        case DM_EVT_SECURITY_SETUP_COMPLETE:
+            nRF51Gap::getInstance().processSecuritySetupCompletedEvent(p_event->event_param.p_gap_param->conn_handle);
+            break;
+        case DM_EVT_LINK_SECURED:
+            nRF51Gap::getInstance().processLinkSecuredEvent(p_event->event_param.p_gap_param->conn_handle);
+            break;
+        case DM_EVT_DEVICE_CONTEXT_STORED:
+            nRF51Gap::getInstance().processSecurityContextStoredEvent(p_event->event_param.p_gap_param->conn_handle);
+            break;
+        default:
+            break;
+    }
+
+    return NRF_SUCCESS;
+}
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