return get(FessConfig.APP_CIPHER_ALGORISM);
        }

        public String getAppCipherKey() {
            return get(FessConfig.APP_CIPHER_KEY);
        }

        public String getAppDigestAlgorism() {
            return get(FessConfig.APP_DIGEST_ALGORISM);
        }

        public String getAppEncryptPropertyPattern() {
            return get(FessConfig.APP_ENCRYPT_PROPERTY_PATTERN);