public void test_multipleProviders() {
        // Test that multiple providers can coexist independently
        InvertibleCryptographer inver1 = InvertibleCryptographer.createAesCipher("key1key1key1key1");
        InvertibleCryptographer inver2 = InvertibleCryptographer.createAesCipher("key2key2key2key2");
        OneWayCryptographer oneWay1 = OneWayCryptographer.createSha256Cryptographer();

            inver = InvertibleCryptographer.createDesCipher(fessConfig.getAppCipherKey());
        } else if ("rsa".equalsIgnoreCase(cipherAlgorism)) {
            inver = InvertibleCryptographer.createRsaCipher(fessConfig.getAppCipherKey());
        } else {
            inver = InvertibleCryptographer.createAesCipher(fessConfig.getAppCipherKey());
        }

        final OneWayCryptographer oneWay;