Path: utzoo!utgpu!news-server.csri.toronto.edu!rpi!usc!cs.utexas.edu!yale!cmcl2!acf3!tihor From: tihor@acf3.NYU.EDU (Stephen Tihor) Newsgroups: comp.sys.dec Subject: Re: QUEST for VAX users ********* Message-ID: <12660001@acf3.NYU.EDU> Date: 19 Mar 91 16:03:00 GMT References: <8819.27e524ea@jetson.uh.edu> Sender: notes@cmcl2.nyu.edu (Notes Person) Organization: New York University Lines: 6 Nntp-Posting-Host: acf3.nyu.edu Tsk. THe best reference is the guide to system security. Since passwords on modern operating systems are only stored after a one one encryptions/hash it is impossible to recover the old ones directly. Since modern operating systems stop the user authentication base in an area not readbale by the user community you can;t even get at the old hashed values to compare with except by using the system services (os calls) provided for that purpose.