block = ((bytes[i++] & 0xff) << 16) | ((bytes[i++] & 0xff) << 8) |
                    (bytes[i++] & 0xff);
            buffer.append(ALPHABET.charAt(block >>> 18));
            buffer.append(ALPHABET.charAt((block >>> 12) & 0x3f));
            buffer.append(ALPHABET.charAt((block >>> 6) & 0x3f));
            buffer.append(ALPHABET.charAt(block & 0x3f));
        }
        if (remainder == 0) return buffer.toString();

            (byte) 0x99
        };

        byte[] output = new byte[12];
        byte[] dk = deriveKeyAES(baseKey, cst); // Checksum key
        try {
            Mac m = Mac.getInstance("HmacSHA1");
            m.init(new SecretKeySpec(dk, HMAC_KEY));
            System.arraycopy(m.doFinal(input), 0, output, 0, 12);
            return output;
        }
        finally {

            int boLow = SMBUtil.readInt4(buffer, bufferIndex + 8);

            this.byteOffset = ( boHigh << 32 ) | boLow;

            int lHigh = SMBUtil.readInt4(buffer, bufferIndex + 12);
            int lLow = SMBUtil.readInt4(buffer, bufferIndex + 16);

            this.lengthInBytes = ( lHigh << 32 ) | lLow;
            return 20;
        }
        this.pid = SMBUtil.readInt2(buffer, bufferIndex);

        B = FF(B, C, D, A, X[11], 19);
        A = FF(A, B, C, D, X[12],  3);
        D = FF(D, A, B, C, X[13],  7);
        C = FF(C, D, A, B, X[14], 11);
        B = FF(B, C, D, A, X[15], 19);

        A = GG(A, B, C, D, X[ 0],  3);
        D = GG(D, A, B, C, X[ 4],  5);
        C = GG(C, D, A, B, X[ 8],  9);
        B = GG(B, C, D, A, X[12], 13);
        A = GG(A, B, C, D, X[ 1],  3);

        (byte)13, (byte) 5, (byte)60, (byte)52, (byte)44, (byte)36, (byte)28,
        (byte)20, (byte)12, (byte) 4, (byte)27, (byte)19, (byte)11, (byte)3
    };
    private static int[] totrot = {
        1, 2, 4, 6, 8, 10, 12, 14, 15, 17, 19, 21, 23, 25, 27, 28
    };

    private static byte[] pc2 = {
        (byte)13, (byte)16, (byte)10, (byte)23, (byte) 0, (byte) 4,

    }
    public String dec_ndr_string() throws NdrException {
        align(4);
        int i = index;
        String val = null;
        int len = Encdec.dec_uint32le(buf, i);
        i += 12;
        if (len != 0) {
            len--;
            int size = len * 2;
            try {
                if (size < 0 || size > 0xFFFF) throw new NdrException( NdrException.INVALID_CONFORMANCE );

        try ( SmbResource f = createTestFile() ) {
            try {
                long time = System.currentTimeMillis() - 1000 * 60 * 60 * 12;
                f.setLastModified(time);

                if ( ( getContext().getConfig().getCapabilities() & SmbConstants.CAP_NT_SMBS ) == 0 ) {
                    // only have second precision

            case KERB_CHECKSUM_HMAC_MD5:
                this.checksum = new byte[16];
                break;
            case HMAC_SHA1_96_AES128:
            case HMAC_SHA1_96_AES256:
                this.checksum = new byte[12];
                break;
            default:
                this.checksum = new byte[bufferStream.available()];
                break;
            }
            bufferStream.readFully(this.checksum);
        }

    public static final int POLICY_INFO_ACCOUNT_DOMAIN = 5;
    public static final int POLICY_INFO_SERVER_ROLE = 6;
    public static final int POLICY_INFO_MODIFICATION = 9;
    public static final int POLICY_INFO_DNS_DOMAIN = 12;

    public static class LsarSidPtr extends NdrObject {

        public rpc.sid_t sid;

        public void encode(NdrBuffer _dst) throws NdrException {
            _dst.align(4);

    public static final int POLICY_INFO_ACCOUNT_DOMAIN = 5;
    public static final int POLICY_INFO_SERVER_ROLE = 6;
    public static final int POLICY_INFO_MODIFICATION = 9;
    public static final int POLICY_INFO_DNS_DOMAIN = 12;

    public static class LsarSidPtr extends NdrObject {

        public rpc.sid_t sid;


        @Override
        public void encode ( NdrBuffer _dst ) throws NdrException {
            _dst.align(4);