import jcifs.util.Hexdump;


/**
 * SPNEGO initial token
 */
@SuppressWarnings ( "javadoc" )
public class NegTokenInit extends SpnegoToken {

    public static final int DELEGATION = 0x80;
    public static final int MUTUAL_AUTHENTICATION = 0x40;
    public static final int REPLAY_DETECTION = 0x20;
    public static final int SEQUENCE_CHECKING = 0x10;
    public static final int ANONYMITY = 0x08;

            throw new PACDecodingException("Empty kerberos token");

        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) ) {

            if (0 == tagNo)
            {
                throw new IOException("corrupted stream - invalid high tag number found");
            }

            while ((b & 0x80) != 0)
            {
                if ((tagNo >>> 24) != 0)
                {
                    throw new IOException("Tag number more than 31 bits");
                }

                tagNo <<= 7;