nrf51822/source/btle/btle_security.h

129 lines
5.0 KiB
C

/* 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.
*/
#ifndef _BTLE_SECURITY_H_
#define _BTLE_SECURITY_H_
#include "ble/Gap.h"
#include "ble/SecurityManager.h"
/**
* Function to test whether the SecurityManager has been initialized.
* Possible by a call to @ref btle_initializeSecurity().
*
* @return True if the SecurityManager was previously initialized, false
* otherwise.
*/
bool btle_hasInitializedSecurity(void);
/**
* Enable Nordic's Device Manager, which brings in functionality from the
* stack's Security Manager. The Security Manager implements the actual
* cryptographic algorithms and protocol exchanges that allow two devices to
* securely exchange data and privately detect each other.
*
* @param[in] enableBonding Allow for bonding.
* @param[in] requireMITM Require protection for man-in-the-middle attacks.
* @param[in] iocaps To specify IO capabilities of this peripheral,
* such as availability of a display or keyboard to
* support out-of-band exchanges of security data.
* @param[in] passkey To specify a static passkey.
*
* @return BLE_ERROR_NONE on success.
*/
ble_error_t btle_initializeSecurity(bool enableBonding = true,
bool requireMITM = true,
SecurityManager::SecurityIOCapabilities_t iocaps = SecurityManager::IO_CAPS_NONE,
const SecurityManager::Passkey_t passkey = NULL);
/**
* Get the security status of a link.
*
* @param[in] connectionHandle
* Handle to identify the connection.
* @param[out] securityStatusP
* security status.
*
* @return BLE_ERROR_NONE Or appropriate error code indicating reason for failure.
*/
ble_error_t btle_getLinkSecurity(Gap::Handle_t connectionHandle, SecurityManager::LinkSecurityStatus_t *securityStatusP);
/**
* Set the security mode on a connection. Useful for elevating the security mode
* once certain conditions are met, e.g., a particular service is found.
*
* @param[in] connectionHandle
* Handle to identify the connection.
* @param[in] securityMode
* security mode.
*
* @return BLE_ERROR_NONE Or appropriate error code indicating reason for failure.
*/
ble_error_t btle_setLinkSecurity(Gap::Handle_t connectionHandle, SecurityManager::SecurityMode_t securityMode);
/**
* Function for deleting all peer device context and all related bonding
* information from the database.
*
* @retval BLE_ERROR_NONE On success, else an error code indicating reason for failure.
* @retval BLE_ERROR_INVALID_STATE If the API is called without module initialization and/or
* application registration.
*/
ble_error_t btle_purgeAllBondingState(void);
/**
* Query the SoftDevice bond table to extract a whitelist containing the BLE
* addresses and IRKs of bonded devices.
*
* @param[in/out] p_whitelist
* (on input) p_whitelist->addr_count and
* p_whitelist->irk_count specify the maximum number of
* addresses and IRKs added to the whitelist structure.
* (on output) *p_whitelist is a whitelist containing the
* addresses and IRKs of the bonded devices.
*
* @return BLE_ERROR_NONE Or appropriate error code indicating reason for failure.
*/
ble_error_t btle_createWhitelistFromBondTable(ble_gap_whitelist_t *p_whitelist);
/**
* Function to test whether a BLE address is generated using an IRK.
*
* @param[in] p_addr
* Pointer to a BLE address.
* @param[in] p_irk
* Pointer to an IRK.
*
* @return True if p_addr can be generated using p_irk, false otherwise.
*/
bool btle_matchAddressAndIrk(ble_gap_addr_t const * p_addr, ble_gap_irk_t const * p_irk);
/**
* Function to generate a private resolvable BLE address.
*
* @param[out] p_addr
* The output address.
* @param[in] p_irk
* A reference to a IRK.
*
* @note This function does not generate a secure address since the prand number in the
* resolvable address is not truly random. Therefore, the output of this function
* is only meant to be used by the application internally but never exported.
*/
void btle_generateResolvableAddress(const ble_gap_irk_t &irk, ble_gap_addr_t &address);
#endif /* _BTLE_SECURITY_H_ */