this.digest.sign(dst, this.headerStart, this.length, this, getResponse());
        }

        if (isRetainPayload()) {
            this.rawPayload = new byte[len];
            System.arraycopy(dst, start, this.rawPayload, 0, len);
        }

        return len;
    }

    /**
     * Rounds up the size to 8-byte alignment.
     *
     * @param size the size to align

import static com.google.common.base.Preconditions.checkArgument;
import static com.google.common.base.Preconditions.checkElementIndex;
import static com.google.common.base.Preconditions.checkNotNull;
import static java.lang.System.arraycopy;
import static java.util.Collections.emptyMap;

import com.google.common.annotations.GwtCompatible;
import com.google.common.annotations.GwtIncompatible;
import com.google.common.annotations.J2ktIncompatible;

        // Check if BSRSPYL signature is written
        byte[] expectedSignature = "BSRSPYL ".getBytes();
        byte[] actualSignature = new byte[8];
        System.arraycopy(data, SmbConstants.SIGNATURE_OFFSET, actualSignature, 0, 8);
        assertArrayEquals(expectedSignature, actualSignature);
    }

    @Test
    @DisplayName("Test sign method with SmbComNtCancel request")

        final int start = dstIndex;

        dst[dstIndex] = (byte) 0x01; /* BufferFormat */
        dstIndex++;
        writeInt2(count, dst, dstIndex); /* DataLength? */
        dstIndex += 2;
        System.arraycopy(b, off, dst, dstIndex, count);
        dstIndex += count;

        return dstIndex - start;
    }

    @Override
    int readParameterWordsWireFormat(final byte[] buffer, final int bufferIndex) {

        dst[dstIndex + 2] = this.fileInformationClass;
        dst[dstIndex + 3] = this.queryFlags;
        dstIndex += 4;
        SMBUtil.writeInt4(this.fileIndex, dst, dstIndex);
        dstIndex += 4;
        System.arraycopy(this.fileId, 0, dst, dstIndex, 16);
        dstIndex += 16;

        final int fnOffsetOffset = dstIndex;
        final int fnLengthOffset = dstIndex + 2;
        dstIndex += 4;

        dstIndex += 4;
        SMBUtil.writeInt4(this.dataLength, dst, dstIndex);
        dstIndex += 4;
        SMBUtil.writeInt8(this.offset, dst, dstIndex);
        dstIndex += 8;
        System.arraycopy(this.fileId, 0, dst, dstIndex, 16);
        dstIndex += 16;
        SMBUtil.writeInt4(this.channel, dst, dstIndex);
        dstIndex += 4;
        SMBUtil.writeInt4(this.remainingBytes, dst, dstIndex);

        dstIndex += 2;

        SMBUtil.writeInt4(52, dst, dstIndex); // DataLength
        dstIndex += 4;

        // Write context name
        System.arraycopy(CONTEXT_NAME_BYTES, 0, dst, dstIndex, 4);
        dstIndex += 4;

        // Padding to align data to 8-byte boundary
        dstIndex += 4;

        // Write lease V2 data (52 bytes total)

    }

    private static byte[] subArray(byte[] src, int offset, int length) {
        byte[] dst = new byte[length];
        System.arraycopy(src, offset, dst, 0, length);
        return dst;
    }

            if (LogStream.level >= 3) {
                log.println("TransTransactNamedPipe data too long for buffer");
            }
            return 0;
        }
        System.arraycopy(pipeData, pipeDataOff, dst, dstIndex, pipeDataLen);
        return pipeDataLen;
    }

    @Override
    int readParametersWireFormat(final byte[] buffer, final int bufferIndex, final int len) {
        return 0;

        } catch (final UnsupportedEncodingException uee) {
            return 0;
        }

        writeInt2(subCommand & 0xFF, dst, dstIndex);
        dstIndex += 2;
        System.arraycopy(descr, 0, dst, dstIndex, descr.length);
        dstIndex += descr.length;
        writeInt2(0x0001, dst, dstIndex);
        dstIndex += 2;
        writeInt2(maxDataCount, dst, dstIndex);
        dstIndex += 2;