int i;
        int len;
        if ( buf.length < TOK_ID_SIZE + MECH_OID_LEN_SIZE ) {
            throw new IllegalArgumentException();
        }
        // TOK_ID
        for ( i = 0; i < TOK_ID.length; i++ ) {
            if ( TOK_ID[ i ] != buf[ i ] ) {
                throw new IllegalArgumentException();
            }
        }
        // MECH_OID_LEN
        len = 0xff00 & ( buf[ i++ ] << 8 );

        switch ( il ) {
        case FileSystemInformation.SMB_INFO_ALLOCATION:
            return 0x1;
        case FileSystemInformation.FS_SIZE_INFO:
            return 0x103;
        }
        throw new IllegalArgumentException("Unhandled information level");
    }


    @Override
    protected int writeDataWireFormat ( byte[] dst, int dstIndex ) {
        return 0;
    }


    @Override

    @Override
    public final void setResponse ( CommonServerMessageBlockResponse msg ) {
        if ( msg != null && ! ( msg instanceof ServerMessageBlock2 ) ) {
            throw new IllegalArgumentException("Incompatible response");
        }
        this.response = (T) msg;
    }

                throw new IllegalArgumentException("Missing preauthIntegrityHash for SMB 3.1");
            }
            signingKey = Smb3KeyDerivation.deriveSigningKey(dialect, sessionKey, preauthIntegrityHash);
            m = Mac.getInstance("AESCMAC", Crypto.getProvider());
            break;
        default:
            throw new IllegalArgumentException("Unknown dialect");
        }

     * <tt>NbtAddress</tt>.
     * 
     * @param addr
     *            wrapped address
     */
    public UniAddress ( Object addr ) {
        if ( addr == null ) {
            throw new IllegalArgumentException();
        }
        this.addr = addr;
    }


    /**
     * Return the IP address of this address as a 32 bit integer.
     */

    @Override
    public int hashCode () {

            write_andx_resp = new SmbComWriteAndXResponse();
            options = WRITE_OPTIONS;
            access = SmbConstants.FILE_READ_DATA | SmbConstants.FILE_WRITE_DATA;
        } else {
            throw new IllegalArgumentException( "Invalid mode" );
        }
        file.open( openFlags, access, SmbFile.ATTR_NORMAL, options );
        readSize = file.tree.session.transport.rcv_buf_size - 70;

            return 0x0101;
        case FileInformation.FILE_STANDARD_INFO:
            return 0x0102;
        case FileInformation.FILE_ENDOFFILE_INFO:
            return 0x0104;
        }
        throw new IllegalArgumentException("Unsupported information level " + il);
    }


    @Override
    protected int writeDataWireFormat ( byte[] dst, int dstIndex ) {
        return 0;
    }


    @Override

    }
    protected void doReceiveFragment(byte[] buf, boolean isDirect) throws IOException {
        int off, flags, length;

        if (buf.length < max_recv)
            throw new IllegalArgumentException("buffer too small");

        if (isStart && !isDirect) { // start of new frag, do trans
            off = in.read(buf, 0, 1024);
        } else {
            off = in.readDirect(buf, 0, buf.length);
        }

     * 
     */
    public static ASN1ObjectIdentifier NTLMSSP_OID;

    static {
        try {
            NTLMSSP_OID = new ASN1ObjectIdentifier("1.3.6.1.4.1.311.2.2.10");
        }
        catch ( IllegalArgumentException e ) {
            log.error("Failed to parse OID", e);
        }
    }

    private NtlmPasswordAuthenticator auth;
    private int ntlmsspFlags;
    private String workstation;

            return enc_uint64be(date.getTime(), dst, di);
        case TIME_1970_MILLIS_64LE:
            return enc_uint64le(date.getTime(), dst, di);
        default:
            throw new IllegalArgumentException("Unsupported time encoding");
        }
    }


    /*
     * Decode times
     */

    public static Date dec_time ( byte[] src, int si, int enc ) {
        long t;