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Fork of nRF51822 by
btle/btle_security.cpp
- Committer:
- rgrover1
- Date:
- 2015-05-08
- Revision:
- 142:b6fe43a5c18f
- Parent:
- 141:586e146a3903
- Child:
- 143:9d73e7f9f2bf
File content as of revision 142:b6fe43a5c18f:
/* 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" #include "btle_security.h" static uint8_t applicationInstance; 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; } 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) { return BLE_ERROR_NONE; } 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; } } ble_error_t btle_purgeAllBondingState(void) { ret_code_t rc; if ((rc = dm_device_delete_all(&applicationInstance)) == NRF_SUCCESS) { return BLE_ERROR_NONE; } 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; } } ble_error_t btle_getLinkSecurity(Gap::Handle_t connectionHandle, Gap::LinkSecurityStatus_t *securityStatusP) { ret_code_t rc; dm_handle_t dmHandle; if ((rc = dm_handle_get(connectionHandle, &dmHandle)) != NRF_SUCCESS) { printf("dm_handle_get failed with %u\r\n", rc); if (rc == NRF_ERROR_NOT_FOUND) { return BLE_ERROR_INVALID_PARAM; } else { return BLE_ERROR_UNSPECIFIED; } } if ((rc = dm_security_status_req(&dmHandle, reinterpret_cast<dm_security_status_t *>(securityStatusP))) != NRF_SUCCESS) { printf("security status request failed\r\n"); 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; }