DERGeneralString derRealm = ASN1Util.as(DERGeneralString.class, tagged);
                this.userRealm = derRealm.getString();
                break;
            case 3: // Principal
                ASN1Sequence principalSequence = ASN1Util.as(ASN1Sequence.class, tagged);
                ASN1Sequence nameSequence = ASN1Util.as(ASN1Sequence.class, ASN1Util.as(ASN1TaggedObject.class, principalSequence, 1));

                ASN1Sequence encSequence = ASN1Util.as(ASN1Sequence.class, tagged);
                ASN1Integer encType = ASN1Util.as(ASN1Integer.class, ASN1Util.as(ASN1TaggedObject.class, encSequence, 0));
                DEROctetString encOctets = ASN1Util.as(DEROctetString.class, ASN1Util.as(ASN1TaggedObject.class, encSequence, 2));
                byte[] crypt = encOctets.getOctets();

                if ( keys == null ) {
                    try {

        while ( authElements.hasMoreElements() ) {
            ASN1Sequence authElement = ASN1Util.as(ASN1Sequence.class, authElements);
            ASN1Integer authType = ASN1Util.as(ASN1Integer.class, ASN1Util.as(ASN1TaggedObject.class, authElement, 0));
            DEROctetString authData = ASN1Util.as(DEROctetString.class, ASN1Util.as(ASN1TaggedObject.class, authElement, 1));

import jcifs.pac.PACDecodingException;
import jcifs.pac.PacMac;
import jcifs.util.Hexdump;


/**
 * @author mbechler
 *
 */
@SuppressWarnings ( {
    "nls", "javadoc", "restriction"
} )
public class PACTest {

    @Test
    public void testNFold () {
        // rfc3961 test vectors
        verifyNfold(64, "012345", "be072631276b1955");
        verifyNfold(56, "password", "78a07b6caf85fa");

/* jcifs smb client library in Java
 * Copyright (C) 2004  "Michael B. Allen" <jcifs at samba dot org>
 *                   "Eric Glass" <jcifs at samba dot org>
 * 
 * This library is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Lesser General Public
 * License as published by the Free Software Foundation; either
 * version 2.1 of the License, or (at your option) any later version.
 * 

        while ( fields.hasMoreElements() ) {
            ASN1TaggedObject tagged = ASN1Util.as(ASN1TaggedObject.class, fields.nextElement());
            switch ( tagged.getTagNo() ) {
            case 0:
                ASN1Integer pvno = ASN1Util.as(ASN1Integer.class, tagged);
                if ( !pvno.getValue().equals(new BigInteger(KerberosConstants.KERBEROS_VERSION)) ) {

import javax.security.auth.kerberos.KerberosKey;

import org.bouncycastle.asn1.*;

import jcifs.pac.ASN1Util;
import jcifs.pac.PACDecodingException;


@SuppressWarnings ( "javadoc" )
public class KerberosToken {

    private KerberosApRequest apRequest;


    public KerberosToken ( byte[] token ) throws PACDecodingException {
        this(token, null);
    }

import org.bouncycastle.asn1.*;


/**
 * 
 *
 */
public final class ASN1Util {

    private ASN1Util () {}


    /**
     * 
     * @param type
     * @param object
     * @return object cast to type
     * @throws PACDecodingException
     */
    public static <T> T as ( Class<T> type, Object object ) throws PACDecodingException {
        if ( !type.isInstance(object) ) {

import javax.security.auth.kerberos.KeyTab;
import javax.security.auth.login.LoginContext;
import javax.security.auth.login.LoginException;


@SuppressWarnings ( "javadoc" )
public class KerberosCredentials {

    private Subject subject;


    public KerberosCredentials () throws LoginException {
        this(System.getProperty("jaaslounge.sso.jaas.config"));
    }