title: Get certificate fingerprint from android app
body: <p>How to get app certificate's fingerprint from inside of this app?
  I want to check if application is singed with my own certificate or if it was repacked / hacked.</p>
  
  <p>I found part of solution here: <a href="http://thomascannon.net/misc/android_apk_certificate/">Get Certificate from Android Application</a>. So question now is: how to check certificate's fingerprint.</p>