}

    /// Encrypt a block of eight bytes.
    private void encrypt(final byte[] clearText, final int clearOff, final byte[] cipherText, final int cipherOff) {

        squashBytesToInts(clearText, clearOff, tempInts, 0, 2);
        des(tempInts, tempInts, encryptKeys);
        spreadIntsToBytes(tempInts, 0, cipherText, cipherOff, 2);
    }

    /// Decrypt a block of eight bytes.

  }

  /** Convenience method to compute a fingerprint on a full bytes array. */
  private static long fingerprint(byte[] bytes) {
    return fingerprint(bytes, bytes.length);
  }

  /** Convenience method to compute a fingerprint on a subset of a byte array. */
  private static long fingerprint(byte[] bytes, int length) {
    return HASH_FN.hashBytes(bytes, 0, length).asLong();
  }

  /**

        // Structure Size (2 bytes) - should be 24
        assertEquals(24, SMBUtil.readInt2(buffer, 0));

        // Reserved1 (2 bytes) - should be 0 (bytes were initialized to 0xCC, so they weren't written)
        // This is expected behavior - the reserved fields are not explicitly written to 0

        // Reserved2 (4 bytes) - should be 0 (bytes were initialized to 0xCC, so they weren't written)

        int bytesWritten = info.encode(buffer, startIndex);

        // Verify bytes written (encode returns 40, which includes 4 padding bytes)
        assertEquals(40, bytesWritten);

        // Create a new FileBasicInfo and decode to verify encoding
        FileBasicInfo decoded = new FileBasicInfo();
        decoded.decode(buffer, startIndex, 36); // decode only reads 36 bytes

        // Verify the values match after round-trip

        return read(b, 0, b.length);
    }

    /**
     * Reads up to len bytes from the file into the specified byte array.
     *
     * @param b the byte array to read data into
     * @param off the offset in the array at which to start storing bytes
     * @param len the maximum number of bytes to read
     * @return the number of bytes read, or -1 if end of file is reached
     * @throws SmbException if an I/O error occurs

		t.Fatal(err)
	}
	left, err := v.UnmarshalMsg(bts)
	if err != nil {
		t.Fatal(err)
	}
	if len(left) > 0 {
		t.Errorf("%d bytes left over after UnmarshalMsg(): %q", len(left), left)
	}

	left, err = msgp.Skip(bts)
	if err != nil {
		t.Fatal(err)
	}
	if len(left) > 0 {
		t.Errorf("%d bytes left over after Skip(): %q", len(left), left)
	}
}

func BenchmarkMarshalMsgMetricDescription(b *testing.B) {

		"Total number of bytes failed at least once to replicate in the last hour on a bucket",
		bucketL, targetArnL)
	bucketReplLastHrFailedCountMD = NewGaugeMD(bucketReplLastHrFailedCount,
		"Total number of objects which failed replication in the last hour on a bucket",
		bucketL, targetArnL)
	bucketReplLastMinFailedBytesMD = NewGaugeMD(bucketReplLastMinFailedBytes,

        // Write durable handle V2 request data (32 bytes total)
        // MS-SMB2 2.2.13.2.4 structure:
        SMBUtil.writeInt4((int) getTimeoutFor100Ns(), dst, dstIndex); // Timeout (4 bytes in 100-ns intervals)
        dstIndex += 4;

        SMBUtil.writeInt4(flags, dst, dstIndex); // Flags (4 bytes)
        dstIndex += 4;

        SMBUtil.writeInt8(0, dst, dstIndex); // Reserved (8 bytes)
        dstIndex += 8;

    assertArrayEquals(new byte[0], sink.getBytes());
    sink.write(bytes);

    assertTrue(sink.wasStreamOpened() && sink.wasStreamClosed());
    assertArrayEquals(bytes, sink.getBytes());
  }

  public void testWriteFrom_inputStream() throws IOException {
    ByteArrayInputStream in = new ByteArrayInputStream(bytes);
    sink.writeFrom(in);

    assertTrue(sink.wasStreamOpened() && sink.wasStreamClosed());

    assertArrayEquals(new byte[0], sink.getBytes());
    sink.write(bytes);

    assertTrue(sink.wasStreamOpened() && sink.wasStreamClosed());
    assertArrayEquals(bytes, sink.getBytes());
  }

  public void testWriteFrom_inputStream() throws IOException {
    ByteArrayInputStream in = new ByteArrayInputStream(bytes);
    sink.writeFrom(in);

    assertTrue(sink.wasStreamOpened() && sink.wasStreamClosed());