For WPA-PSK
ctrl_interface=/var/run/wpa_supplicant ctrl_interface_group=0 eapol_version=1 fast_reauth=1 network={ ssid="my_network" proto=WPA key_mgmt=WPA-PSK pairwise=TKIP group=TKIP psk="secret_password" }
For WPA2PSK
ctrl_interface=/var/run/wpa_supplicant ctrl_interface_group=0 ap_scan=1 network={ ssid="my_network" proto=RSN key_mgmt=WPA-PSK pairwise=CCMP TKIP group=CCMP TKIP psk="secret_password" }