Xref: utzoo rec.games.mud:2748 alt.security:2055 comp.unix.wizards:24632 Newsgroups: rec.games.mud,alt.security,comp.unix.wizards Path: utzoo!utgpu!news-server.csri.toronto.edu!rpi!rodney From: rodney@sun.ipl.rpi.edu (Rodney Peck II) Subject: Re: Hacking Message-ID: Nntp-Posting-Host: ipl.rpi.edu Organization: Rensselaer Polytechnic Institute, Troy NY References: <1991Mar27.094325.24599@en.ecn.purdue.edu> <1991Apr1.173824.20323@odin.corp.sgi.com> Date: 1 Apr 91 22:29:26 GMT Lines: 24 In article <1991Apr1.173824.20323@odin.corp.sgi.com> pkr@sgi.com (Phil Ronzone) writes: >In article pjnesser@mbunix.mitre.org (Nesser) writes: >>Someone in this thread pointed out that the way to crack passwords is to >>maintain a list of encrypted dictionary words and compare against that. I >>just want to point out that this is an amazingly expensive way to do it >>since you have to keep 4096 strings for each word. Disk space is getting >>cheaper but ... It's not that I've figured out a great way to do it myself >>but ... :-) > > >Well, assuming 100,000 words of 13 characters each, for each of 4096 >possibilities, that gives us 5,324,800,000 bytes. Now, with the >750MB and 1.2G 5.25" disk drives around, I'd probably have to have >several of the drives, OR, maybe use a smaller dictionary. or three exabyte tapes with indexing thrown into the extra 700 meg left over. cost to you from your local photo/camera shop: $7.00 per 2 gigabytes. >100,000 words is a LOT of words ..... not really. -- Rodney