A third party application can't impose less or more restriction than the platform's signing rules, which I believe are documented in the SDK documentation.
You should not sign an app with multiple certs. Only use one. On Sun, Dec 12, 2010 at 8:49 PM, Nitin Mahajan <[email protected]> wrote: > In cryptography terms I want to achieve "Confidentiality" as well as > "Authenticity" both with .apk installation. Please let me know if that is > possible without, modifying android code. > > Is there a way to sign a application with multiple keys? One key which is > developers private key and another which is device owners public key? > > regards > -Nitin > > > On Mon, Dec 13, 2010 at 10:16 AM, Nitin Mahajan <[email protected]>wrote: > >> Hello, >> >> I have some queries regarding app installation on a Android devices. I did >> got though the link >> http://developer.android.com/guide/publishing/app-signing.html#cert. >> >> 1. Is there a way to control which applications can get installed on a >> particular device? I mean apps signed with a particular key only should be >> allowed. >> >> 2. The ability to control that a .apk, can be installed only on a device, >> which posses the corresponding public key is already there in Android 2.2. >> Please let me know if this understanding of mine is correct and whether the >> app installer automatically takes care of it? >> >> regards >> -Nitin >> >> >> > -- > 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]<android-developers%[email protected]> > For more options, visit this group at > http://groups.google.com/group/android-developers?hl=en > -- Dianne Hackborn Android framework engineer [email protected] Note: please don't send private questions to me, as I don't have time to provide private support, and so won't reply to such e-mails. All such questions should be posted on public forums, where I and others can see and answer them. -- 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

