}


    @Test
    public void testAES256Checksum () throws GeneralSecurityException {
        String data = "fourteen";
        String key = "B1AE4CD8462AFF1677053CC9279AAC30B796FB81CE21474DD3DDBCFEA4EC76D7";
        String expect = "E08739E3279E2903EC8E3836";
        verifyAESHMAC(4, expect, key, data.getBytes(StandardCharsets.US_ASCII));
    }


    /**

import jcifs.internal.util.SMBUtil;


/**
 * @author svella
 *
 */
public class SrvPipePeekResponse implements Decodable {

    // see https://msdn.microsoft.com/en-us/library/dd414577.aspx

    private int namedPipeState;
    private int readDataAvailable;
    private int numberOfMessages;
    private int messageLength;
    private byte[] data;


    /**

                log.println("WARNING: The default OEM encoding " + DEFAULT_OEM_ENCODING +
                " does not appear to be supported by this JRE. The default encoding will be US-ASCII.");
            }
            DEFAULT_OEM_ENCODING = "US-ASCII";
        }

        if (log.level >= 4) {
            try {
                prp.store( log, "JCIFS PROPERTIES" );
            } catch( IOException ioe ) {
            }

@SuppressWarnings ( "javadoc" )
public class PacMac {

    /**
     * 
     */
    private static final String HMAC_KEY = "HMAC";
    private static final byte[] MD5_CONSTANT = "signaturekey\0".getBytes(StandardCharsets.US_ASCII);
    private static final byte[] ZERO_IV = new byte[] {
        0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0
    };

                if ( ntlm == null )
                    return;
            }
            else {
                String auth = new String(Base64.decode(msg.substring(6)), "US-ASCII");
                int index = auth.indexOf(':');
                String user = ( index != -1 ) ? auth.substring(0, index) : auth;
                String password = ( index != -1 ) ? auth.substring(index + 1) : "";

        }
        return this;
    }


    @Override
    public void release () {
        long us = this.usageCount.decrementAndGet();
        if ( us == 0 ) {
            this.treeConnection.release();
        }
        else if ( us < 0 ) {
            throw new RuntimeCIFSException("Usage count dropped below zero");
        }
    }


    /**
     * {@inheritDoc}

                Type1Message type1 = new Type1Message(src);
                Type2Message type2 = new Type2Message(tc, type1, challenge, null);
                msg = new String(Base64.encode(type2.toByteArray()), "US-ASCII");
                resp.setHeader("WWW-Authenticate", "NTLM " + msg);
            }
            else if ( src[ 8 ] == 3 ) {
                Type3Message type3 = new Type3Message(src);

        try {
            passwordBytes = password.toUpperCase().getBytes( ServerMessageBlock.OEM_ENCODING );
        } catch( UnsupportedEncodingException uee ) {
            throw new RuntimeException("Try setting jcifs.smb1.encoding=US-ASCII", uee);
        }
        int passwordLength = passwordBytes.length;

        // Only encrypt the first 14 bytes of the password for Pre 0.12 NT LM
        if( passwordLength > 14) {

 * in any IO with the server. Unlink <tt>InputStream</tt> value less than
 * the one provided will not be returned if it exceeds the end of the file
 * (if this is a problem let us know).
 */
    public long skip( long n ) throws IOException {
        if (n > 0) {
            fp += n;
            return n;
        }
        return 0;
    }

                    return;
                }
            }
            else { /* Basic */
                String auth = new String(Base64.decode(msg.substring(6)), "US-ASCII");
                int index = auth.indexOf(':');
                String user = ( index != -1 ) ? auth.substring(0, index) : auth;
                String password = ( index != -1 ) ? auth.substring(index + 1) : "";