What are best practices for using AES encryption in Android?

Question

Why I ask this question:

I know there have been a lot of questions about AES encryption, even for Android. And there are lots of code snippets if yo

Answer 1

You have asked a pretty interesting question. As with all algorithms the cipher key is the "secret sauce", since once that's known to the public, everything else is too. So you look into ways to this document by Google

security

Besides Google In-App Billing also gives thoughts on security which is insightful as well

billing_best_practices