Merge branch 'bugfix/configure_link_encryption_for_charac' into 'master'

WifiProv: Add configuration support for forcing link encryption

Closes https://github.com/espressif/esp-idf/issues/9201
Closes IDFGH-7649

See merge request espressif/esp-idf!18620

components/protocomm/src/transports/protocomm_ble.c

@@ -405,8 +405,10 @@ static ssize_t populate_gatt_db(esp_gatts_attr_db_t **gatt_db_generated)
             (*gatt_db_generated)[i].att_desc.value        = (uint8_t *) &character_prop_read_write;
         } else if (i % 3 == 2) {
             /* Characteristic Value */
-            (*gatt_db_generated)[i].att_desc.perm         = ESP_GATT_PERM_READ | ESP_GATT_PERM_WRITE | \
-                    ESP_GATT_PERM_READ_ENCRYPTED | ESP_GATT_PERM_WRITE_ENCRYPTED;
+            (*gatt_db_generated)[i].att_desc.perm         = ESP_GATT_PERM_READ | ESP_GATT_PERM_WRITE ;
+#if CONFIG_WIFI_PROV_BLE_FORCE_ENCRYPTION
+            (*gatt_db_generated)[i].att_desc.perm        |= ESP_GATT_PERM_READ_ENCRYPTED | ESP_GATT_PERM_WRITE_ENCRYPTED;
+#endif
             (*gatt_db_generated)[i].att_desc.uuid_length  = ESP_UUID_LEN_128;
             (*gatt_db_generated)[i].att_desc.uuid_p       = protoble_internal->g_nu_lookup[i / 3].uuid128;
             (*gatt_db_generated)[i].att_desc.max_length   = CHAR_VAL_LEN_MAX;

components/wifi_provisioning/Kconfig

@@ -34,7 +34,6 @@ menu "Wi-Fi Provisioning Manager"
     config WIFI_PROV_BLE_FORCE_ENCRYPTION
         bool
         prompt "Force Link Encryption during characteristic Read / Write"
-        depends on BT_NIMBLE_ENABLED
         default y
         help
             Used to enforce link encryption when attempting to read / write characteristic