Then performance is acceptable according to my test. It cost a few seconds to install a bundle. Because the ClassLoader provided by Android now is only support apk file than memory bytes, so I have to decrypt the bundle(sub-apk) to main-apk's data directory.
2008/4/19, Jackkk <[EMAIL PROTECTED]>: > > > This is of course obvious that we can never get full protection for > apps that the program files have been given away. For server based > things this is rather simple. > > Tu, your work seems to be very interesting… Combined with other > methods and technics it can provide a very good system. What I'm > conserned is the actual performance that might go down. How is the > decryption done - loading the code into memory and launching from > there? Also, if in the future there will be other database engines > available for Android, the data protection might become much easier > also! > > To extend the idea of IMEI encrypted check keys, a rather good > solution would also be to compile the app each time it is downloaded > with unique keys hardcoded for identification purposes or make a > number of apk's that are all different from inside and let the buyers > download different version each time. This all can be 100% automated. > > The thing where the user has to authenticate himselt over network each > time is impossible. Even the first time might be hard! I think the > issue here is to make it a little bit harder than the cost of $10. > > > --~--~---------~--~----~------------~-------~--~----~ 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] Announcing the new M5 SDK! http://android-developers.blogspot.com/2008/02/android-sdk-m5-rc14-now-available.html For more options, visit this group at http://groups.google.com/group/android-developers?hl=en -~----------~----~----~----~------~----~------~--~---

