title: is it possible to use same keyhash for all my apk version?
body: <p>I have uploaded one application in android market , while installing in my phone its ask for keyhash .so i newly inserted my keyhash .(which is in my phone)
  Now i am released next version in android market , then now also it asks for keyhash.</p>
  
  <p>Login failed: invalid_key:Android key mismatch. Your key "8Ioc4p/jMXoU9Lezug4nzmZfFUg" does not match the allowed keys specified in your application settings. Check your application settings at <a href="http://www.facebook.com/developers" rel="nofollow">http://www.facebook.com/developers</a></p>
  
  <p>1)is it possible way to use same keyhash for all my apk version.
  2)if i used different keyhash for every version,facebook configuration  will affect or not.</p>