final byte[] output = new byte[cipher.getOutputSize(input.length)];
                int len = cipher.processBytes(input, 0, input.length, output, 0);
                len += cipher.doFinal(output, len);

                plaintext = new byte[ciphertext.length];
                System.arraycopy(output, 0, plaintext, 0, ciphertext.length);
            }

	r := rand.New(rand.NewSource(UTCNow().UnixNano()))

	buf := &bytes.Buffer{}

	// Verify erasure.Decode() for random offsets and lengths.
	for range iterations {
		offset := r.Int63n(length)
		readLen := r.Int63n(length - offset)

		expected := data[offset : offset+readLen]

		// Get the checksums of the current part.
		bitrotReaders := make([]io.ReaderAt, len(disks))
		for index, disk := range disks {

        }
        return compress(data, 0, data.length, algorithm);
    }

    @Override
    public byte[] compress(byte[] data, int offset, int length, int algorithm) throws CIFSException {
        if (data == null) {
            throw new CIFSException("Data cannot be null");
        }
        if (offset < 0 || length < 0 || offset + length > data.length) {
            throw new CIFSException("Invalid offset or length");

        }

        if (length < 0) {
            failedValidations.incrementAndGet();
            bufferOverflowsPrevented.incrementAndGet();
            throw new SmbException("Negative length: " + length);
        }

        // Check for integer overflow
        if (offset > buffer.length - length) {
            failedValidations.incrementAndGet();

            throw new IllegalArgumentException("Offsets and length must be non-negative");
        }
        if (srcOffset + length > src.length) {
            throw new IllegalArgumentException(
                    "Source array bounds exceeded: offset=" + srcOffset + ", length=" + length + ", array.length=" + src.length);
        }
        if (dstOffset + length > dst.length) {

    int maxSuffixLength = min(a.length(), b.length());
    int s = 0;
    while (s < maxSuffixLength && a.charAt(a.length() - s - 1) == b.charAt(b.length() - s - 1)) {
      s++;
    }
    if (validSurrogatePairAt(a, a.length() - s - 1)
        || validSurrogatePairAt(b, b.length() - s - 1)) {
      s--;
    }
    return a.subSequence(a.length() - s, a.length()).toString();
  }

  /**

        byte[] outputBuffer = new byte[testData.length + 100];
        int writtenBytes =
                compressionService.decompress(compressed, 0, compressed.length, outputBuffer, 50, CompressionService.COMPRESSION_LZ77);

        assertEquals(testData.length, writtenBytes);

        byte[] extracted = new byte[testData.length];
        System.arraycopy(outputBuffer, 50, extracted, 0, testData.length);

     *
     * @param data the data buffer
     * @param offset the offset in the buffer
     * @param length the length of data to compress
     * @param algorithm the compression algorithm to use
     * @return the compressed data
     * @throws CIFSException if compression fails
     */
    byte[] compress(byte[] data, int offset, int length, int algorithm) throws CIFSException;

    /**

        // Validate input parameters
        if (data == null) {
            log.error("Data buffer is null in verify");
            return false;
        }
        if (offset < 0 || length < 0) {
            log.error("Invalid offset or length in verify: offset={}, length={}", offset, length);
            return false;
        }

        @Test
        @DisplayName("Should handle negative length in verify method")
        void testVerifyNegativeLength() {
            byte[] data = new byte[128];
            boolean result = digest.verify(data, 0, -1, 0, response);
            assertFalse(result, "Should return false for negative length");
        }

        @Test
        @DisplayName("Should handle offset+length exceeding buffer size in verify method")