void testDecryptDes() throws GeneralSecurityException, NoSuchAlgorithmException {
        KeyGenerator keyGen = KeyGenerator.getInstance("DES");
        keyGen.init(56);
        SecretKey secretKey = keyGen.generateKey();
        Key key = new KerberosKey(null, secretKey.getEncoded(), KerberosConstants.DES_ENC_TYPE, 0);
        byte[] data = new byte[32]; // Dummy data, must be multiple of 8

    public static StorageClient createClient(final FessConfig fessConfig) {
        final String endpoint = fessConfig.getStorageEndpoint();
        final String accessKey = fessConfig.getStorageAccessKey();
        final String secretKey = fessConfig.getStorageSecretKey();
        final String bucket = fessConfig.getStorageBucket();

        // Get explicit type or auto-detect
        final String typeStr = fessConfig.getStorageType();

                if (StringUtil.isNotBlank(accessKey) && StringUtil.isNotBlank(secretKey)) {
                    builder.credentialsProvider(StaticCredentialsProvider.create(AwsBasicCredentials.create(accessKey, secretKey)));
                }

                s3Client = builder.build();
                connected = true;
            } catch (final Exception e) {

/**
 * Tests for {@link CachedCipher}.
 */
public class CachedCipherTest {

    @Test
    public void testEncryptDecryptBytes() {
        final CachedCipher cipher = new CachedCipher();
        cipher.setKey("mySecretKey");

        final byte[] original = "Hello World".getBytes();
        final byte[] encrypted = cipher.encrypt(original);
        final byte[] decrypted = cipher.decrypt(encrypted);