esp-idf/components/wifi_provisioning/Kconfig
Rahul Tank 6091627f2e Wifi Prov: Disabled the default support for BLE Encrpytion on characteristics read /write
By default, disabled the BLE Encrpyption requirement for provisioning characteristic.
With this flag enabled, when remote attempts to read and if the ACL link is not encrypted,
ESP device will return Insufficient Authentication. It is remote device responsibility to go
for link encryption which may result in pairing.

Some devices do not proceed for any pairing and just show failure pop-up. Also, user needs
to remove bonding on remote phone manually and then try again. This is causing bad user experience.

End user can enable it as per their use case.
2022-11-25 14:18:05 +05:30

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menu "Wi-Fi Provisioning Manager"
config WIFI_PROV_SCAN_MAX_ENTRIES
int "Max Wi-Fi Scan Result Entries"
default 16
range 1 255
help
This sets the maximum number of entries of Wi-Fi scan results that will be kept by the provisioning manager
config WIFI_PROV_AUTOSTOP_TIMEOUT
int "Provisioning auto-stop timeout"
default 30
range 5 600
help
Time (in seconds) after which the Wi-Fi provisioning manager will auto-stop after connecting to
a Wi-Fi network successfully.
config WIFI_PROV_BLE_BONDING
bool
prompt "Enable BLE bonding"
depends on BT_ENABLED
help
This option is applicable only when provisioning transport is BLE.
config WIFI_PROV_BLE_SEC_CONN
bool
prompt "Enable BLE Secure connection flag"
depends on BT_NIMBLE_ENABLED
default y
help
Used to enable Secure connection support when provisioning transport is BLE.
config WIFI_PROV_BLE_FORCE_ENCRYPTION
bool
prompt "Force Link Encryption during characteristic Read / Write"
help
Used to enforce link encryption when attempting to read / write characteristic
config WIFI_PROV_KEEP_BLE_ON_AFTER_PROV
bool "Keep BT on after provisioning is done"
depends on BT_ENABLED
config WIFI_PROV_DISCONNECT_AFTER_PROV
bool "Terminate connection after provisioning is done"
depends on WIFI_PROV_KEEP_BLE_ON_AFTER_PROV
default y
endmenu