ASN1ObjectIdentifier mech = ASN1ObjectIdentifier.getInstance(this.gssContext.getMech().getDER());
        for (KerberosTicket ticket : subject.getPrivateCredentials(KerberosTicket.class)) {
            MIEName client = new MIEName(mech, ticket.getClient().getName());
            MIEName server = new MIEName(mech, ticket.getServer().getName());