public void verifyReceivedKey(Element doc) {
        ServerDialback.verifyReceivedKey(doc, getConnection());
    }
Verifies the received key sent by the remote server. This server is trying to generate
an outgoing connection to the remote server and the remote server is reusing an incoming
connection for validating the key.

@param doc the received Element that contains the key to verify.
xmppserver/src/main/java/org/jivesoftware/openfire/session/LocalIncomingServerSession.java