ByteArrayOutputStream bos = new ByteArrayOutputStream();

        for ( String dialect : this.dialects ) {
            bos.write(0x02);
            try {
                bos.write(Strings.getASCIIBytes(dialect));
            }
            catch ( IOException e ) {
                throw new RuntimeCIFSException(e);
            }
            bos.write(0x0);
        }

        try {
            ByteArrayOutputStream bos = new ByteArrayOutputStream();
            ASN1OutputStream dos = ASN1OutputStream.create(bos, ASN1Encoding.DER);
            dos.writeObject(new DERSequence(mechs));
            dos.close();
            return bos.toByteArray();
        }
        catch ( IOException e ) {