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Add option to use resolvable and non-resolvable private address.

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Adds the possibility to configure a resolvable or non-resolvable address (BLE privacy).
This commit is contained in:
Asuki Kono
2021-01-13 18:00:48 -07:00
committed by h2zero
parent 57ba0e583d
commit f61bd5c2df
6 changed files with 36 additions and 6 deletions
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30
src/NimBLEDevice.cpp
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@@ -25,6 +25,7 @@
#include "nimble/nimble_port.h"
#include "nimble/nimble_port_freertos.h"
#include "host/ble_hs.h"
#include "host/ble_hs_pvcy.h"
#include "host/util/util.h"
#include "services/gap/ble_svc_gap.h"
#include "services/gatt/ble_svc_gatt.h"
@@ -60,6 +61,7 @@ std::list <NimBLEClient*> NimBLEDevice::m_cList;
#endif
std::list <NimBLEAddress> NimBLEDevice::m_ignoreList;
NimBLESecurityCallbacks* NimBLEDevice::m_securityCallbacks = nullptr;
uint8_t NimBLEDevice::m_own_addr_type = BLE_OWN_ADDR_PUBLIC;
/**
@@ -698,6 +700,34 @@ void NimBLEDevice::setSecurityCallbacks(NimBLESecurityCallbacks* callbacks) {
} // setSecurityCallbacks
/**
* @brief Set the own address type.
* @param own_addr_type Own Bluetooth Device address type.\n
* The available bits are defined as:
* * 0x00: BLE_OWN_ADDR_PUBLIC
* * 0x01: BLE_OWN_ADDR_RANDOM
* * 0x02: BLE_OWN_ADDR_RPA_PUBLIC_DEFAULT
* * 0x03: BLE_OWN_ADDR_RPA_RANDOM_DEFAULT
*/
void NimBLEDevice::setOwnAddrType(uint8_t own_addr_type, bool useNRPA) {
m_own_addr_type = own_addr_type;
switch (own_addr_type) {
case BLE_OWN_ADDR_PUBLIC:
ble_hs_pvcy_rpa_config(NIMBLE_HOST_DISABLE_PRIVACY);
break;
case BLE_OWN_ADDR_RANDOM:
setSecurityInitKey(BLE_SM_PAIR_KEY_DIST_ENC | BLE_SM_PAIR_KEY_DIST_ID);
ble_hs_pvcy_rpa_config(useNRPA ? NIMBLE_HOST_ENABLE_NRPA : NIMBLE_HOST_ENABLE_RPA);
break;
case BLE_OWN_ADDR_RPA_PUBLIC_DEFAULT:
case BLE_OWN_ADDR_RPA_RANDOM_DEFAULT:
setSecurityInitKey(BLE_SM_PAIR_KEY_DIST_ENC | BLE_SM_PAIR_KEY_DIST_ID);
ble_hs_pvcy_rpa_config(NIMBLE_HOST_ENABLE_RPA);
break;
}
} // setOwnAddrType
/**
* @brief Start the connection securing and authorization for this connection.
* @param conn_id The connection id of the peer device.