policykit-1 0.105-4ubuntu3.14.04.2 (i386 binary) in ubuntu trusty

 PolicyKit is an application-level toolkit for defining and handling the policy
 that allows unprivileged processes to speak to privileged processes.
 .
 It is a framework for centralizing the decision making process with respect to
 granting access to privileged operations for unprivileged (desktop)
 applications.