public static byte[] decrypt ( byte[] data, Key key, int type ) throws GeneralSecurityException {
        Cipher cipher = null;
        byte[] decrypt = null;

        switch ( type ) {
        case KerberosConstants.DES_ENC_TYPE:
            decrypt = decryptDES(data, key, cipher);
            break;
        case KerberosConstants.RC4_ENC_TYPE:
            decrypt = decryptRC4(data, key);
            break;
        default:

        bufferIndex += 4;
        this.messageLength = SMBUtil.readInt4(buffer, bufferIndex);
        bufferIndex += 4;
        this.data = new byte[len - 16];
        if ( this.data.length > 0 ) {
            System.arraycopy(buffer, bufferIndex, this.data, 0, this.data.length);
        }
        return bufferIndex - start;
    }

class TransTransactNamedPipe extends SmbComTransaction {

    private byte[] pipeData;
    private int pipeFid, pipeDataOff, pipeDataLen;

    TransTransactNamedPipe( int fid, byte[] data, int off, int len ) {
        pipeFid = fid;
        pipeData = data;
        pipeDataOff = off;
        pipeDataLen = len;
        command = SMB_COM_TRANSACTION;
        subCommand = TRANS_TRANSACT_NAMED_PIPE;
        maxParameterCount = 0;

    /**
     * Return the <code>InputStream</code> used to read information
     * from this pipe instance. Presumably data would first be written
     * to the <code>OutputStream</code> associated with this Named
     * Pipe instance although this is not a requirement (e.g. a
     * read-only named pipe would write data to this stream on
     * connection). Reading from this stream may block. Therefore it

     * 
     * @throws CIFSException
     *
     * @see jcifs.smb.SSPContext#calculateMIC(byte[])
     */
    @Override
    public byte[] calculateMIC ( byte[] data ) throws CIFSException {
        try {
            return this.gssContext.getMIC(data, 0, data.length, new MessageProp(false));
        }
        catch ( GSSException e ) {
            throw new CIFSException("Failed to calculate MIC", e);
        }
    }

    private SID[] extraSids;
    private int userAccountControl;
    private int userFlags;


    public PacLogonInfo ( byte[] data ) throws PACDecodingException {
        try {
            PacDataInputStream pacStream = new PacDataInputStream(new DataInputStream(new ByteArrayInputStream(data)));

            // Skip firsts
            pacStream.skipBytes(20);

            // Dates

    private int type;
    private byte[] checksum;


    public PacSignature ( byte[] data ) throws PACDecodingException {
        try {
            PacDataInputStream bufferStream = new PacDataInputStream(new DataInputStream(new ByteArrayInputStream(data)));
            this.type = bufferStream.readInt();
            switch ( this.type ) {
            case KERB_CHECKSUM_HMAC_MD5:

 *
 * @return the last modified data as milliseconds since Jan 1, 1970
 */
    public long getDate() {
        try {
            return lastModified();
        } catch( SmbException se ) {
        }
        return 0L;
    }

/**
 * This URLConnection method just returns the result of <tt>lastModified</tt>.
 *
 * @return the last modified data as milliseconds since Jan 1, 1970
 */

     */
    static void E ( byte[] key, byte[] data, byte[] e ) throws ShortBufferException {
        byte[] key7 = new byte[7];
        byte[] e8 = new byte[8];

        for ( int i = 0; i < key.length / 7; i++ ) {
            System.arraycopy(key, i * 7, key7, 0, 7);
            Cipher des = Crypto.getDES(key7);
            des.update(data, 0, data.length, e8);
            System.arraycopy(e8, 0, e, i * 8, 8);

 */
package jcifs.internal;


import jcifs.util.transport.Message;


/**
 * @author mbechler
 *
 */
public interface CommonServerMessageBlock extends Message {

    /**
     * Decode message data from the given byte array
     * 
     * @param buffer
     * @param bufferIndex
     * @return message length
     * @throws SMBProtocolDecodingException
     */