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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; +} \ No newline at end of file