md5.update(ipad);
        md5.update(data);
        byte[] innerHash = md5.digest();

        md5.reset();
        md5.update(opad);
        md5.update(innerHash);
        byte[] expected = md5.digest();

        try (MockedStatic<Crypto> mockedCrypto = mockStatic(Crypto.class)) {
            mockedCrypto.when(Crypto::getMD5).thenReturn(MessageDigest.getInstance("MD5"));

            HMACT64 hmac = new HMACT64(key);

        Hashing.md5().bits() + Hashing.md5().bits(),
        Hashing.concatenating(Hashing.md5(), Hashing.md5()).bits());
    assertEquals(
        Hashing.md5().bits() + Hashing.murmur3_32().bits(),
        Hashing.concatenating(Hashing.md5(), Hashing.murmur3_32()).bits());
    assertEquals(
        Hashing.md5().bits() + Hashing.murmur3_32().bits() + Hashing.murmur3_128().bits(),

        Hashing.md5().bits() + Hashing.md5().bits(),
        Hashing.concatenating(Hashing.md5(), Hashing.md5()).bits());
    assertEquals(
        Hashing.md5().bits() + Hashing.murmur3_32().bits(),
        Hashing.concatenating(Hashing.md5(), Hashing.murmur3_32()).bits());
    assertEquals(
        Hashing.md5().bits() + Hashing.murmur3_32().bits() + Hashing.murmur3_128().bits(),

# Check the MD5 checksums of encrypted objects from source and target
if [ "${src_obj1_md5}" != "${rep_obj1_md5}" ]; then
	echo "BUG: MD5 checksum of object 'minio2/test-bucket/encrypted' doesn't match with source. Expected: '${src_obj1_md5}', Found: '${rep_obj1_md5}'"
	exit_1
fi
if [ "${src_obj2_md5}" != "${rep_obj2_md5}" ]; then

            opad[i] = 0x5c;
        }

        // Calculate inner hash
        md5.reset();
        md5.update(ipad);
        md5.update(data);
        byte[] innerHash = md5.digest();

        // Calculate outer hash
        md5.reset();
        md5.update(opad);
        return md5.digest(innerHash);
    }

    }

    public void test_withMd5Cryptographer() {
        // Test with MD5
        OneWayCryptographer md5 = new OneWayCryptographer("MD5", OneWayCryptographer.ENCODING_UTF8);
        FessSecurityResourceProvider provider = new FessSecurityResourceProvider(invertibleCryptographer, md5);

        assertNotNull(provider);

sleep 10

echo "Verifying ETag for all objects"
./s3-check-md5 -versions -access-key minio -secret-key minio123 -endpoint http://127.0.0.1:9001/ -bucket bucket
./s3-check-md5 -versions -access-key minio -secret-key minio123 -endpoint http://127.0.0.1:9002/ -bucket bucket
./s3-check-md5 -versions -access-key minio -secret-key minio123 -endpoint http://127.0.0.1:9003/ -bucket bucket

   *     </ul>
   */
  @Deprecated
  public static HashFunction md5() {
    return Md5Holder.MD5;
  }

  private static final class Md5Holder {
    static final HashFunction MD5 = new MessageDigestHashFunction("MD5", "Hashing.md5()");
  }

  /**
   * Returns a hash function implementing the SHA-1 algorithm (160 hash bits).
   *

        wagon.addExpectedContent(
                repos.get(0).getLayout().pathOf(artifact) + ".md5", "cd26d9e10ce691cc69aa2b90dcebbdac");
        wagon.addExpectedContent(repos.get(1).getLayout().pathOf(artifact), "expected");
        wagon.addExpectedContent(
                repos.get(1).getLayout().pathOf(artifact) + ".md5", "cd26d9e10ce691cc69aa2b90dcebbdac");

        class TransferListener extends AbstractTransferListener {

        }
    }

    private static byte[] deriveKey(final byte[] masterKey, final String cnst) {
        final MessageDigest md5 = Crypto.getMD5();
        md5.update(masterKey);
        md5.update(cnst.getBytes(StandardCharsets.US_ASCII));
        md5.update((byte) 0);
        return md5.digest();
    }

    @Override
    public boolean supportsIntegrity() {
        return true;
    }

    @Override