Educause Security Discussion mailing list archives

Re: Password entropy


From: Harold Winshel <winshel () CAMDEN RUTGERS EDU>
Date: Thu, 20 Jul 2006 19:30:30 -0400

I'm not real clear on the "entropy" concept but it has something to
do with the pattern?

At 07:45 PM 7/19/2006, Basgen, Brian wrote:
Scott,

> Which is a better password?
>
>       abcdefghijklmnopqrstuvwxyz
>       1angtPalftm

 The second one is better by far. Cracking time is a function of
entropy, the more basic the pattern, the less entropy. The first
'password' you show has a very simple pattern.

~~~~~~~~~~~~~~~~~~
Brian Basgen
IT Systems Architect, Security
Pima Community College


Harold Winshel
Computing and Instructional Technologies
Faculty of Arts & Sciences
Rutgers University, Camden Campus
311 N. 5th Street, Room B36 Armitage Hall
Camden NJ 08102
(856) 225-6669 (O)

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