}
        }
        if (readULong(material, 8) != 3) {
            throw new IOException("Not a Type 3 message.");
        }
        byte[] lmResponse = readSecurityBuffer(material, 12);
        int lmResponseOffset = readULong(material, 16);
        byte[] ntResponse = readSecurityBuffer(material, 20);
        int ntResponseOffset = readULong(material, 24);

            }
        }
        pos += 8;

        if ( readULong(input, pos) != NTLMSSP_TYPE2 ) {
            throw new IOException("Not a Type 2 message.");
        }
        pos += 4;

        int flags = readULong(input, pos + 8);
        setFlags(flags);

        byte[] targetName = readSecurityBuffer(input, pos);
        int targetNameOff = readULong(input, pos + 4);
        if ( targetName.length != 0 ) {

        setNTResponse(ntResponseBytes);
        int ntResponseOffset = readULong(material, pos + 4);
        pos += 8;

        byte[] domainBytes = readSecurityBuffer(material, pos);
        int domainOffset = readULong(material, pos + 4);
        pos += 8;

        byte[] userBytes = readSecurityBuffer(material, pos);
        int userOffset = readULong(material, pos + 4);
        pos += 8;

            if (material[i] != NTLMSSP_SIGNATURE[i]) {
                throw new IOException("Not an NTLMSSP message.");
            }
        }
        if (readULong(material, 8) != 2) {
            throw new IOException("Not a Type 2 message.");
        }
        int flags = readULong(material, 20);
        setFlags(flags);
        String target = null;
        byte[] bytes = readSecurityBuffer(material, 12);

        if((read( tmp, 0, 4 )) < 0 ) {
            throw new SmbException( "EOF" );
        }
        return Encdec.dec_uint32be( tmp, 0 );
    }
    public final long readLong() throws SmbException {
        if((read( tmp, 0, 8 )) < 0 ) {
            throw new SmbException( "EOF" );
        }
        return Encdec.dec_uint64be( tmp, 0 );
    }

      val prefix = header.readByteString(PREFIX_CLEAN.size.toLong())
      if (prefix != PREFIX_CLEAN) throw IOException("unreadable cache file")
      val upstreamSize = header.readLong()
      val metadataSize = header.readLong()

      // Read the metadata.
      val metadataBuffer = Buffer()
      fileOperator.read(FILE_HEADER_SIZE + upstreamSize, metadataBuffer, metadataSize)

    if (bytesLeft == 0L) throw ProtocolException("unexpected length: $bytesLeft at $this")
    val byteArray = source.readByteArray(bytesLeft)
    return BigInteger(byteArray)
  }

  fun readLong(): Long {
    if (bytesLeft !in 1..8) throw ProtocolException("unexpected length: $bytesLeft at $this")

    var result = source.readByte().toLong() // No "and 0xff" because this is a signed value!

    if (frameLength == PAYLOAD_SHORT.toLong()) {
      frameLength = (source.readShort() and 0xffff).toLong() // Value is unsigned.
    } else if (frameLength == PAYLOAD_LONG.toLong()) {
      frameLength = source.readLong()
      if (frameLength < 0L) {
        throw ProtocolException(
          "Frame length 0x${frameLength.toHexString()} > 0x7FFFFFFFFFFFFFFF",
        )
      }
    }

      name = "INTEGER",
      tagClass = DerHeader.TAG_CLASS_UNIVERSAL,
      tag = 2L,
      codec =
        object : BasicDerAdapter.Codec<Long> {
          override fun decode(reader: DerReader): Long = reader.readLong()

          override fun encode(
            writer: DerWriter,
            value: Long,
          ) = writer.writeLong(value)
        },
    )

  val INTEGER_AS_BIG_INTEGER =
    BasicDerAdapter(

      try {
        return input.readInt();
      } catch (IOException e) {
        throw new IllegalStateException(e);
      }
    }

    @Override
    public long readLong() {
      try {
        return input.readLong();
      } catch (IOException e) {
        throw new IllegalStateException(e);
      }
    }

    @Override
    public float readFloat() {
      try {