Thanks Nikolay!!! I read your blog also.... http://nelenkov.blogspot.in/2012/07/using-app-encryption-in-jelly-bean.html
On Thursday, September 19, 2013 9:52:24 PM UTC+5:30, Nikolay Elenkov wrote: > > On Thu, Sep 19, 2013 at 4:27 PM, gauri <[email protected] <javascript:>> > wrote: > > Hello, > > > > The android app downloaded/purchased from Google Play is stored in > > "/data/app" directory. > > Does Play Store or android system modify the apk after download? > > Not for free apps. > > > When I purchase it from Play store, after my app launch, digest > verification > > is getting failed. > > I found that the message digest which I have stored in app and the > digest > > which I am calculating at run time are differing. > > On 4.1+, paid apps are forward locked by default, which is implemented > by splitting the APK in a public (in /data/app) and private part > (in /data/app-asec). You are most probably calculating the hash of the > public part only, hence the mismatch. If you have a rooted device > you can verify by searching for you package name in /data/app-asec. > -- 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 --- You received this message because you are subscribed to the Google Groups "Android Developers" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. For more options, visit https://groups.google.com/groups/opt_out.

