lock.wait();
                }
            } catch (final InterruptedException ie) {
                throw new IOException(ie.getMessage());
            }
            result = pipe_buf[beg_idx] & 0xFF;
            beg_idx = (beg_idx + 1) % pipe_buf.length;
        }
        return result;
    }

    @Override
    public int read(final byte[] b) throws IOException {
        return read(b, 0, b.length);
    }

    public void enc_ndr_small(final int s) {
        this.buf[this.index] = (byte) (s & 0xFF);
        advance(1);
    }

    /**
     * Decodes a small integer (1 byte) from NDR format.
     *
     * @return the decoded small integer value
     */
    public int dec_ndr_small() {
        final int val = this.buf[this.index] & 0xFF;
        advance(1);
        return val;
    }

    /**

        // Arrange
        byte[] buffer = new byte[10];
        SMBUtil.writeInt2(200, buffer, 0);
        // These bytes should be ignored
        buffer[2] = (byte) 0xFF;
        buffer[3] = (byte) 0xFF;
        SMBUtil.writeInt2(TransPeekNamedPipeResponse.STATUS_LISTENING, buffer, 4);

        // Act
        int result = response.readParametersWireFormat(buffer, 0, 6);

        // Assert

            byte[] buffer = new byte[200];
            // Fill buffer with pattern to ensure proper writing
            for (int i = 0; i < buffer.length; i++) {
                buffer[i] = (byte) 0xFF;
            }

            int bytesEncoded = request.encode(buffer, offset);

            // Verify data at correct offset
            assertEquals(timeout, SMBUtil.readInt8(buffer, offset));

        // Test with data length exactly matching outputBuffer size
        byte[] testData = new byte[outputBuffer.length];
        Arrays.fill(testData, (byte) 0xFF);
        byte[] buffer = new byte[outputBuffer.length + 100];
        System.arraycopy(testData, 0, buffer, 0, outputBuffer.length);

        int result = response.readDataWireFormat(buffer, 0, outputBuffer.length);

        dataOffset = readInt2(buffer, bufferIndex);
        bufferIndex += 2;
        dataDisplacement = readInt2(buffer, bufferIndex);
        bufferIndex += 2;
        setupCount = buffer[bufferIndex] & 0xFF;
        bufferIndex += 2;
        if ((setupCount != 0) && (LogStream.level > 2)) {
            log.println("setupCount is not zero: " + setupCount);
        }

        return bufferIndex - start;
    }

            }
        }
    }

    @Override
    public int read() throws SmbException {
        if (read(this.tmp, 0, 1) == -1) {
            return -1;
        }
        return this.tmp[0] & 0xFF;
    }

    @Override
    public int read(final byte b[]) throws SmbException {
        return read(b, 0, b.length);
    }

    @Override

        void testSignZeroesSignatureField() {
            // Fill signature field with non-zero values
            for (int i = 0; i < SIGNATURE_LENGTH; i++) {
                data[SIGNATURE_OFFSET + i] = (byte) 0xFF;
            }

            digest.sign(data, 0, data.length, request, response);

            // Verify signature field contains actual signature (not all zeros)

    // codePoint has at most 21 bits
    return ((0xFL << 4) | (codePoint >>> 18))
        | ((0x80L | (0x3F & (codePoint >>> 12))) << 8)
        | ((0x80L | (0x3F & (codePoint >>> 6))) << 16)
        | ((0x80L | (0x3F & codePoint)) << 24);
  }

  private static long charToThreeUtf8Bytes(char c) {
    return ((0x7L << 5) | (c >>> 12))
        | ((0x80 | (0x3F & (c >>> 6))) << 8)
        | ((0x80 | (0x3F & c)) << 16);
  }

                    break;
                case 1:
                    final ASN1BitString ctxFlags = ASN1BitString.getInstance(tagged, true);
                    setContextFlags(ctxFlags.getBytes()[0] & 0xff);
                    break;
                case 2:
                    final ASN1OctetString mechanismToken = ASN1OctetString.getInstance(tagged, true);
                    setMechanismToken(mechanismToken.getOctets());