* clear (<code>false</code>) the specified flag.
     */
    public void setFlag(int flag, boolean value) {
        setFlags(value ? (getFlags() | flag) :
                (getFlags() & (0xffffffff ^ flag)));
    }

    static int readULong(byte[] src, int index) {
        return (src[index] & 0xff) |
                ((src[index + 1] & 0xff) << 8) |
                ((src[index + 2] & 0xff) << 16) |

     *            Indicates whether to set (<code>true</code>) or
     *            clear (<code>false</code>) the specified flag.
     */
    public void setFlag ( int flag, boolean value ) {
        setFlags(value ? ( getFlags() | flag ) : ( getFlags() & ( 0xffffffff ^ flag ) ));
    }


    static int readULong ( byte[] src, int index ) {

    }

    public byte[] toByteArray() {
        try {
            String suppliedDomain = getSuppliedDomain();
            String suppliedWorkstation = getSuppliedWorkstation();
            int flags = getFlags();
            boolean hostInfo = false;
            byte[] domain = new byte[0];
            if (suppliedDomain != null && suppliedDomain.length() != 0) {
                hostInfo = true;

                        || !msg2.getFlag(NtlmFlags.NTLMSSP_NEGOTIATE_EXTENDED_SESSIONSECURITY) ) ) {
                    throw new SmbUnsupportedOperationException("Server does not support extended NTLMv2 key exchange");
                }

                if ( !msg2.getFlag(NtlmFlags.NTLMSSP_NEGOTIATE_128) ) {

        int origFlags = t1.getFlags();

        Type1Message parsed = new Type1Message(t1.toByteArray());

        assertEquals(origFlags, parsed.getFlags());

        if ( parsed.getFlag(NtlmFlags.NTLMSSP_NEGOTIATE_OEM_DOMAIN_SUPPLIED) ) {
            assertEquals(suppliedDomain, parsed.getSuppliedDomain());
        }

        if ( parsed.getFlag(NtlmFlags.NTLMSSP_NEGOTIATE_OEM_WORKSTATION_SUPPLIED) ) {

            if ((getFlags() & NTLMSSP_NEGOTIATE_SIGN) == NTLMSSP_NEGOTIATE_SIGN) {
                HMACT64 hmac = new HMACT64(responseKeyNT);
                hmac.update(ntResponse, 0, 16); // only first 16 bytes of ntResponse
                byte[] userSessionKey = hmac.digest();

                if ((getFlags() & NTLMSSP_NEGOTIATE_KEY_EXCH) != 0) {

            SPNEGO_MECH_OID
        };
    }


    /**
     * {@inheritDoc}
     *
     * @see jcifs.smb.SSPContext#getFlags()
     */
    @Override
    public int getFlags () {
        return this.mechContext.getFlags();
    }


    @Override
    public boolean isSupported ( ASN1ObjectIdentifier mechanism ) {
        // prevent nesting
        return false;
    }

    @Override
    public byte[] toByteArray () throws IOException {
        int size = 48;
        int flags = getFlags();
        String targetName = getTarget();
        byte[] targetInformationBytes = getTargetInformation();
        byte[] targetBytes = new byte[0];

        if ( getFlag(NTLMSSP_REQUEST_TARGET) ) {
            if ( targetName != null && targetName.length() != 0 ) {

    /**
     * 
     * @param flags
     */
    public AvFlags ( int flags ) {
        this(encode(flags));
    }


    /**
     * 
     * @return flags
     */
    public int getFlags () {
        return SMBUtil.readInt4(this.getRaw(), 0);
    }


    private static byte[] encode ( int flags ) {
        byte[] raw = new byte[4];
        SMBUtil.writeInt4(flags, raw, 0);
        return raw;

            String targetName = getTarget();
            byte[] challenge = getChallenge();
            byte[] context = getContext();
            byte[] targetInformation = getTargetInformation();
            int flags = getFlags();
            byte[] target = new byte[0];
            if ((flags & NTLMSSP_REQUEST_TARGET) != 0) {
                if (targetName != null && targetName.length() != 0) {