Check if the JCE with unlimited strength is installed (via http://stackoverflow.com/questions/11538746/check-for-jce-unlimited-strength-jurisdiction-policy-files)

CheckJceUnlimited.java

import javax.crypto.Cipher;
public class CheckJceUnlimited {
        public static void main(String[] args) throws Exception {
                int maxAesLength = Cipher.getMaxAllowedKeyLength("AES");
                boolean unlimited = maxAesLength > 128;
                System.out.println("JCE unlimited strength enabled: " + unlimited);
        }
}