ASN1Sequence authSequence;
        try {
            try ( ASN1InputStream stream = new ASN1InputStream(new ByteArrayInputStream(token)) ) {
                authSequence = ASN1Util.as(ASN1Sequence.class, stream);
            }
        }
        catch ( IOException e ) {
            throw new PACDecodingException("Malformed kerberos ticket", e);
        }

        ASN1InputStream stream = new ASN1InputStream(new ByteArrayInputStream(token));
        ASN1TaggedObject derToken;
        try {
            derToken = ASN1Util.as(ASN1TaggedObject.class, stream);
            if ( derToken.getTagClass() != BERTags.APPLICATION )
                throw new PACDecodingException("Malformed kerberos ticket");
            stream.close();
        }
        catch ( IOException e ) {

            throw new PACDecodingException("Empty kerberos ticket");

        ASN1Sequence sequence;
        try {
            try ( ASN1InputStream stream = new ASN1InputStream(new ByteArrayInputStream(token)) ) {
                sequence = ASN1Util.as(ASN1Sequence.class, stream);
            }
        }
        catch ( IOException e ) {
            throw new PACDecodingException("Malformed kerberos ticket", e);
        }

        byte[] content;
        try ( ASN1InputStream stream = new ASN1InputStream(token) ) {
            content = ASN1Util.readUnparsedTagged(0, 0x8000, stream);
        }catch ( IOException e ) {
            throw new PACDecodingException("Malformed kerberos token", e);
        }

        try ( ASN1InputStream stream = new ASN1InputStream(content) ) {

    }


    /**
     * 
     * @param type
     * @param stream
     * @return next object from stream cast to type
     * @throws PACDecodingException
     * @throws IOException
     */
    public static <T extends ASN1Primitive> T as ( Class<T> type, ASN1InputStream stream ) throws PACDecodingException, IOException {
        return as(type, stream.readObject());
    }


    /**
     *
     * @param type

            throw new PACDecodingException("Empty kerberos ApReq");

        ASN1Sequence sequence;
        try {
            try ( ASN1InputStream stream = new ASN1InputStream(new ByteArrayInputStream(token)) ) {
                sequence = ASN1Util.as(ASN1Sequence.class, stream);
            }
        }
        catch ( IOException e ) {
            throw new PACDecodingException("Malformed Kerberos Ticket", e);
        }