As everyone told you, crypting and decrypting in the app is a huge security breach since the password has to be in your app anyway. Reverse engineering Android apps is very very easy for people who do this kind of things. Also be aware that except if using https for your file transfert, the download urls are also pretty easy to snif off the network.
On another note if you just want to be secure against normal end users and don't worry too much about the hardcore hackers then you're ok. In this case I would recommend that you implement your own filestream class with embedded crypting/decrypting. If you're mp3's cannot get out at all and that's a requirement I believe you have to follow Marcin advice to get the best DRM container you can find. But Mark is completely right : There's only two types of DRMs, the one that were hacked and the one that are going to be hacked :) So much so that a lot of non-free legal mp3 download services now offer only DRM free mp3's Yahel -- You received this message because you are subscribed to the Google Groups "Android Developers" group. To post to this group, send email to [email protected] To unsubscribe from this group, send email to [email protected] For more options, visit this group at http://groups.google.com/group/android-developers?hl=en
