* reset.
     *
     * @return the array of bytes for the resulting hash value.
     */
    @Override
    public byte[] engineDigest() {
        // pad output to 56 mod 64; as RFC1320 puts it: congruent to 448 mod 512
        final int bufferNdx = (int) (count % BLOCK_LENGTH);
        final int padLen = bufferNdx < 56 ? 56 - bufferNdx : 120 - bufferNdx;

        dst[dstIndex++] = (byte) (val >> 24);
        dst[dstIndex++] = (byte) (val >> 32);
        dst[dstIndex++] = (byte) (val >> 40);
        dst[dstIndex++] = (byte) (val >> 48);
        dst[dstIndex++] = (byte) (val >> 56);
    }

            e.endOfFile = readInt8(buffer, bufferIndex + 40);
            //      e.allocationSize = readInt8( buffer, bufferIndex + 48 );
            e.extFileAttributes = readInt4(buffer, bufferIndex + 56);
            e.fileNameLength = readInt4(buffer, bufferIndex + 60);
            //      e.eaSize = readInt4( buffer, bufferIndex + 64 );
            //      e.shortNameLength = buffer[bufferIndex + 68] & 0xFF;

        writeTime(1672617600000L, buffer, bufferIndex + 24); // lastWriteTime
        writeInt8(2048, buffer, bufferIndex + 40); // endOfFile
        writeInt4(SmbFile.ATTR_DIRECTORY, buffer, bufferIndex + 56); // extFileAttributes

        String filename = "directory1";
        byte[] filenameBytes = filename.getBytes(StandardCharsets.UTF_8);
        writeInt4(filenameBytes.length, buffer, bufferIndex + 60); // fileNameLength

        @Test
        @DisplayName("should correctly identify failed states")
        void shouldIdentifyFailedStates() {
            // Failed states: 5=disconnecting, 6=disconnected/invalid
            int[] failedStates = { 5, 6 };
            int[] nonFailedStates = { 0, 1, 2, 3, 4 };

            for (int state : failedStates) {
                transport.setState(state);

        (byte) (hash >> 8),
        (byte) (hash >> 16),
        (byte) (hash >> 24),
        (byte) (hash >> 32),
        (byte) (hash >> 40),
        (byte) (hash >> 48),
        (byte) (hash >> 56)
      };
    }

    @Override
    public int asInt() {
      return (int) hash;
    }

    @Override
    public long asLong() {
      return hash;
    }

    @Override

    /**
     * {@inheritDoc}
     *
     * @see jcifs.internal.CommonServerMessageBlockRequest#size()
     */
    @Override
    public int size() {
        final int size = Smb2Constants.SMB2_HEADER_LENGTH + 56;
        int dataLength = 0;
        if (this.inputData != null) {
            dataLength += this.inputData.size();
        }
        if (this.outputData != null) {
            dataLength += this.outputData.size();

            byte[] buffer = new byte[20];
            System.arraycopy("Test".getBytes(), 0, buffer, 0, 4);
            buffer[4] = 0; // null terminator
            System.arraycopy("String".getBytes(), 0, buffer, 5, 6);

            String result = testBlock.readString(buffer, 0, buffer.length, 10, false);

            assertEquals("Test", result);
        }

        @Test

    @Test
    @DisplayName("Mockito spy: verify set() interaction and resulting behavior")
    void spy_verifySetInteraction() {
        // Arrange
        byte[] payload = new byte[] { 5, 6 };

        // Act
        spyBlob.set(payload);

        // Assert
        verify(spyBlob, times(1)).set(payload);

- Modify `SmbSession` for handle replay during reconnection
- Update `Smb2CreateRequest/Response` for durable contexts

---

### Phase 3: Multi-Channel Support
**Priority: MEDIUM** | **Estimated Effort: 5-6 weeks**

Multi-channel enables using multiple network connections for improved performance and reliability.

#### 3.1 Core Multi-Channel Infrastructure
```
Package: jcifs.internal.smb2.multichannel