private static String generateOctetJsonWebKeyOfSize(final int size) {
        val octetKey = OctJwkGenerator.generateJwk(size);
        val params = octetKey.toParams(JsonWebKey.OutputControlLevel.INCLUDE_SYMMETRIC);
        return params.get("k").toString();
    }
Secret key IV algorithm. Default is {@code AES}.
core/cas-server-core-util-api/src/main/java/org/apereo/cas/util/cipher/BaseBinaryCipherExecutor.java