No, it’s not safe from other Java code. Your secret could be retrieved from an instance of Safe like this: Field field = safe.getClass().getDeclaredField(“secret”); field.setAccessible(true); String secret = (String) field.get(safe); Update: If you control the loading of the other Java code that you want to hide the secret from you can probably use a custom … Read more
Whatever technique you use, your software will be copied. The actual aim of copy protection is to prevent honest customers from being tempted to be unfair. The minimum copy protection technique is enough. The maximum is not worth the time spent. Moreover, I’ve heard that some developers provide user support to any user who asks, … Read more
“Is there a good way to handle this problem?” No. Nothing can be protected against reverse engineering. Even the firmware on DVD machines has been reverse engineered and the AACS Encryption key exposed. And that’s in spite of the DMCA making that a criminal offense. Since no technical method can stop your customers from reading … Read more