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Privacy. More...
#include <ble_gap.h>
Data Fields | |
| uint8_t | privacy_mode |
| uint8_t | private_addr_type |
| uint16_t | private_addr_cycle_s |
| ble_gap_irk_t * | p_device_irk |
Privacy.
The privacy feature provides a way for the device to avoid being tracked over a period of time. The privacy feature, when enabled, hides the local device identity and replaces it with a private address that is automatically refreshed at a specified interval.
If a device still wants to be recognized by other peers, it needs to share it's Identity Resolving Key (IRK). With this key, a device can generate a random private address that can only be recognized by peers in possession of that key, and devices can establish connections without revealing their real identities.
Both network privacy (BLE_GAP_PRIVACY_MODE_NETWORK_PRIVACY) and device privacy (BLE_GAP_PRIVACY_MODE_DEVICE_PRIVACY) is supported.
| ble_gap_irk_t* ble_gap_privacy_params_t::p_device_irk |
When used as input, pointer to IRK structure that will be used as the default IRK. If NULL, the device default IRK will be used. When used as output, pointer to IRK structure where the current default IRK will be written to. If NULL, this argument is ignored. By default, the default IRK is used to generate random private resolvable addresses for the local device unless instructed otherwise.
| uint8_t ble_gap_privacy_params_t::privacy_mode |
Privacy mode, see Privacy modes. Default is BLE_GAP_PRIVACY_MODE_OFF.
| uint16_t ble_gap_privacy_params_t::private_addr_cycle_s |
Private address cycle interval in seconds. Providing an address cycle value of 0 will use the default value defined by BLE_GAP_DEFAULT_PRIVATE_ADDR_CYCLE_INTERVAL_S.
| uint8_t ble_gap_privacy_params_t::private_addr_type |
The private address type must be either BLE_GAP_ADDR_TYPE_RANDOM_PRIVATE_RESOLVABLE or BLE_GAP_ADDR_TYPE_RANDOM_PRIVATE_NON_RESOLVABLE.
