private static void issueWarningToAddKeyToSettings(final String keyType, final int encryptionKeySize, final String key, final String prop) {
        LOGGER.warn("Generated {} key [{}] of size [{}]. The generated key MUST be added to CAS settings:\n\n\t{}\n\n",
            keyType, key, encryptionKeySize, prop);
    }
Secret key IV algorithm. Default is {@code AES}.
core/cas-server-core-util-api/src/main/java/org/apereo/cas/util/cipher/BaseBinaryCipherExecutor.java