HMACT64 userKey = new HMACT64(ntlmv2Hash); 
                userKey.update(hmac.digest()); 
                userKey.digest(dest, offset, 16); 
                break; 
            default: 
                md4.update(md4.digest()); 
                md4.digest(dest, offset, 16); 
                break; 
            } 
        } catch (Exception e) {

    /**
     * 
     * @return MD4 digest
     */
    public static MessageDigest getMD4 () {
        try {
            return MessageDigest.getInstance("MD4", getProvider());
        }
        catch ( NoSuchAlgorithmException e ) {
            throw new CIFSUnsupportedCryptoException(e);
        }
    }


    /**
     * 
     * @return MD5 digest
     */
    public static MessageDigest getMD5 () {

        SMBUtil.writeInt2(this.fid, dst, dstIndex);
        dstIndex += 2;
        if ( this.digest != null ) {
            SMB1SigningDigest.writeUTime(getConfig(), this.lastWriteTime, dst, dstIndex);
        }
        else {
            log.trace("SmbComClose without a digest");
        }
        return 6;
    }


    @Override

            md.update((byte) ( ( ms_usage >> 8 ) & 0xFF ));
            md.update((byte) ( ( ms_usage >> 16 ) & 0xFF ));
            md.update((byte) ( ( ms_usage >> 24 ) & 0xFF ));
            byte[] dgst = md.digest(data);
            mac.reset();
            mac.init(new SecretKeySpec(dk, HMAC_KEY));
            return mac.doFinal(dgst);
        }
        finally {
            Arrays.fill(dk, 0, dk.length, (byte) 0);
        }

        dstIndex += writeHeaderWireFormat(dst, dstIndex);
        dstIndex += writeAndXWireFormat(dst, dstIndex);
        this.length = dstIndex - start;

        if ( this.digest != null ) {
            this.digest.sign(dst, this.headerStart, this.length, this, this.getResponse());
        }

        return this.length;
    }


    /*
     * We overload this because we want readAndXWireFormat to

 * new <tt>SmbFile</tt></i>.
 *
 * @param  dest  An <code>SmbFile</code> that represents the new pathname
 * @throws NullPointerException
 *         If the <code>dest</code> argument is <code>null</code>
 */
    public void renameTo( SmbFile dest ) throws SmbException {
        if( getUncPath0().length() == 1 || dest.getUncPath0().length() == 1 ) {

            return; /* CRITICAL */
        }
        this.digest.update(input, offset, len);
        this.updates++;
    }


    /**
     * @return calculated digest
     */
    public byte[] digest () {
        byte[] b;

        b = this.digest.digest();

        if ( log.isTraceEnabled() ) {
            log.trace("digest: ");
            log.trace(Hexdump.toHexString(b, 0, b.length));

                }
            }
            if (dns_forest.buffer != null) {
                _dst = _dst.deferred;
                int _dns_forest_bufferl = dns_forest.length / 2;
                int _dns_forest_buffers = dns_forest.maximum_length / 2;
                _dst.enc_ndr_long(_dns_forest_buffers);
                _dst.enc_ndr_long(0);
                _dst.enc_ndr_long(_dns_forest_bufferl);

            }
            if ( this.dns_forest.buffer != null ) {
                _dst = _dst.deferred;
                int _dns_forest_bufferl = this.dns_forest.length / 2;
                int _dns_forest_buffers = this.dns_forest.maximum_length / 2;
                _dst.enc_ndr_long(_dns_forest_buffers);
                _dst.enc_ndr_long(0);
                _dst.enc_ndr_long(_dns_forest_bufferl);

 * Allow Administrators 0x001F01FF  Inherited
 * Allow SYSTEM         0x001F01FF  Inherited
 * </pre>
 * the access check would fail because the direct ACE has an access mask
 * of <tt>0x001200A9</tt> which doesn't have the
 * <tt>FILE_WRITE_DATA</tt> bit on (bit <tt>0x00000002</tt>). Actually, this isn't quite correct. If
 * <tt>WNET\alice</tt> is in the local <tt>Administrators</tt> group the access check