How do I find out which keystore was used to sign an app?

Question

I have an app which is signed and several keystore files. I\'d like to update the app, so I need to find out which one of keys was used.

How can I match which keysto

Answer 1

There are many freewares to examine the certificates and key stores such as KeyStore Explorer.

Unzip the apk and open the META-INF/?.RSA file. ? shall be CERT or ANDROID or may be something else. It will display all the information associated with your apk.