This is a feature request to add support for Kerberos authentication methods (gssapi & gssapi-with-mic) in Orion SSH2.
From what I can see Java 1.4 provides support for Kerberos, so this can be used as part of the solution. See:
http://java.sun.com/j2se/1.4.2/docs/guide/security/jgss/single-signon.html