/etc/wicd/encryption/templates/eap-tls is in wicd-daemon 1.7.2.4-4.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
| 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 | name = EAP-TLS
author = Dan O'Reilly
version = 1
require identity *Identity private_key *Private_Key private_key_passwd *Private_Key_Password
optional ca_cert *Path_to_CA_Cert client_cert *Path_to_Client_Cert
protected identity *Identity private_key *Private_Key private_key_passwd *Private_Key_Password
-----
ctrl_interface=/var/run/wpa_supplicant
network={
   ssid="$_ESSID"
   key_mgmt=WPA-EAP
   pairwise=TKIP
   group=TKIP
   eap=TLS
   identity="$_IDENTITY"
   ca_cert="$_CA_CERT"
   client_cert="$_CLIENT_CERT"
   private_key="$_PRIVATE_KEY"
   private_key_passwd="$_PRIVATE_KEY_PASSWD"
}
 |