testJavaHMAC("0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b", "Hi There", "9294727a3638bb1c13f48ef8158bfc9d");
        testJavaHMAC("0c0c0c0c0c0c0c0c0c0c0c0c0c0c0c0c", "Test With Truncation", "56461ef2342edc00f9bab995690efd4c");
        testJavaHMAC(
            "aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa",

                if ( append ) {
                    this.fp = fh.getInitialSize();
                }
                init(th);
                if ( !append && this.smb2 ) {
                    // no open option for truncating, need to truncate the file
                    Smb2SetInfoRequest treq = new Smb2SetInfoRequest(th.getConfig(), fh.getFileId());
                    treq.setFileInformation(new FileEndOfFileInformation(0));

                    new Trans2SetFileInformationResponse(th.getConfig()),
                    RequestParam.NO_RETRY);
            }
            else {
                // this is the original, COM_WRITE allows truncation but no 64 bit offsets
                SmbComWriteResponse rsp = new SmbComWriteResponse(th.getConfig());
                th.send(

     * @throws CIFSException
     */
    OutputStream openOutputStream ( boolean append ) throws CIFSException;


    /**
     * Opens an output stream writing to the file (truncating, write only, sharable)
     * 
     * @return output stream, needs to be closed when finished
     * @throws CIFSException
     */
    OutputStream openOutputStream () throws CIFSException;


    /**