This interface provides a set of methods to be implemented by classes
which can be used to authenticate users and manage passwords within
Harmonise.
author: Michael Bell version: $Revision: 1.1 $
Authenticate user using given password.
Parameters: usr - User to authenticate Parameters: pwd - Given password for user Returns true if password matches user's password
Give a new password to pwdUsr.
Parameters: authUsr - User making change Parameters: pwdUsr - User of password to be changed Parameters: authPwd - Password of User requesting the change Parameters: newPwd - New password Returns status code