private static void verifyArcfourHMAC ( int usage, String expect, String key, byte[] bytes ) throws GeneralSecurityException {
        byte[] keybytes = Hex.decode(key);
        byte[] javaChecksum;
        if ( keybytes.length == 16 ) {
            javaChecksum = sun.security.krb5.internal.crypto.ArcFourHmac.calculateChecksum(keybytes, usage, bytes, 0, bytes.length);

        }
        else {

     */
    private static byte[] decryptRC4 ( byte[] data, Key key ) throws GeneralSecurityException, NoSuchAlgorithmException, NoSuchPaddingException,
            InvalidKeyException, IllegalBlockSizeException, BadPaddingException {
        Cipher cipher;
        byte[] decrypt;
        byte[] code = new byte[4];
        Encdec.enc_uint32le(2, code, 0);
        byte[] codeHmac = getHmac(code, key.getEncoded());

@SuppressWarnings ( "javadoc" )
public class KerberosTicket {

    private String serverPrincipalName;
    private String serverRealm;
    private KerberosEncData encData;


    public KerberosTicket ( byte[] token, byte apOptions, KerberosKey[] keys ) throws PACDecodingException {
        if ( token.length <= 0 )
            throw new PACDecodingException("Empty kerberos ticket");

        ASN1Sequence sequence;
        try {

@SuppressWarnings ( "javadoc" )
public class KerberosRelevantAuthData extends KerberosAuthData {

    private List<KerberosAuthData> authorizations;


    public KerberosRelevantAuthData ( byte[] token, Map<Integer, KerberosKey> keys ) throws PACDecodingException {
        ASN1Sequence authSequence;
        try {
            try ( ASN1InputStream stream = new ASN1InputStream(new ByteArrayInputStream(token)) ) {

    /**
     * 
     */
    public static final byte SMB2_SHARE_TYPE_DISK = 0x1;
    /**
     * 
     */
    public static final byte SMB2_SHARE_TYPE_PIPE = 0x2;
    /**
     * 
     */
    public static final byte SMB2_SHARE_TYPE_PRINT = 0x3;

    /**
     * 
     */
    public static final int SMB2_SHAREFLAG_MANUAL_CACHING = 0x0;

    public NegTokenInit ( ASN1ObjectIdentifier[] mechanisms, int contextFlags, byte[] mechanismToken, byte[] mechanismListMIC ) {
        setMechanisms(mechanisms);
        setContextFlags(contextFlags);
        setMechanismToken(mechanismToken);
        setMechanismListMIC(mechanismListMIC);
    }


    public NegTokenInit ( byte[] token ) throws IOException {
        parse(token);
    }

                // + 8 byte query response overhead
                // + 110 bytes entry
                // -> 1022 predicted message size <= 1023 maximum buffer size
                // 112 bytes to alignment
                // -> aligned to 1024 > 1023 maximum buffer size

                // 110 byte entry = 16 byte name = 8 char length
                try ( SmbResource r = f.resolve(repeat('Y', 8)) ) {
                    r.createNewFile();

        this.localPid = (int) ( Math.random() * 65536d );
        this.localTimeZone = TimeZone.getDefault();
        this.random = new SecureRandom();

        if ( this.machineId == null ) {
            byte[] mid = new byte[32];
            this.random.nextBytes(mid);
            this.machineId = mid;
        }

        if ( this.nativeOs == null ) {
            this.nativeOs = System.getProperty("os.name");
        }

            }

            if ( this.sbuf[ 0 ] == (byte) 0x00 && this.sbuf[ 1 ] == (byte) 0x00 && ( this.sbuf[ 4 ] == (byte) 0xFF ) && this.sbuf[ 5 ] == (byte) 'S'
                    && this.sbuf[ 6 ] == (byte) 'M' && this.sbuf[ 7 ] == (byte) 'B' ) {
                break; /* all good (SMB) */
            }

            /* out of phase maybe? */
            /* inch forward 1 byte and try again */
            for ( int i = 0; i < 35; i++ ) {

     * @param encoding
     * @return encoded
     */
    public static byte[] getBytes ( String str, Charset encoding ) {
        if ( str == null ) {
            return new byte[0];
        }
        return str.getBytes(encoding);
    }


    /**
     * 
     * @param str
     * @return the string as bytes (UTF16-LE)
     */
    public static byte[] getUNIBytes ( String str ) {
        return getBytes(str, UNI_ENCODING);