If the mode is managed or ad-hoci then it is assumed the this interface is going to connect as a client and client authentication is used.

wpai-supplicant.conf

network={
        ssidi="Testing-ESSIDi"
     
        proto=WPA
        key_mgmt=WPA-PSKi
        pairwise=TKIPi
        group=TKIP
     
       #psk=passphrase
	psk=5bb70c534f80a446c168471389d1f04adbc9836070cdd2d6ab81716bdf6cae21

}

wpa-supplicant.conf

network={
        ssid="xwire"
        proto=WPA RSN
        key_mgmt=WPA-EAP
        pairwise=CCMP TKIP
        group=CCMP TKIP
        eap=TLS
        identity="Xmesh@xwire.com"
        ca_cert="/conf/ssl/CA.pem"
        client_cert="/conf/ssl/crt.pem"
        private_key="/conf/ssl/key.pem"
        private_key_passwd="secretpassword"
        priority=1
}