wpa supplicant without pass

wpa_supplicant.conf

network={
        ssid="CometNet"
        proto=RSN
        key_mgmt=WPA-EAP
        pairwise=CCMP
        auth_alg=OPEN
        eap=PEAP
        identity="abc123456"
        anonymous_identity="abc123456"
        password="supersecret"
        phase1="peaplabel=auto peapver=0"
        phase2="auth=MSCHAPV2"
        eapol_flags=0
}