Security Basics mailing list archives
RE: ADS Password Storage Protection
From: "Roger A. Grimes" <roger () banneretcs com>
Date: Wed, 19 Jul 2006 23:03:23 -0400
It's the math. Password keyspace is represented as X^L, where X is the number of possible characters that can be used and L is the password length. Because L is used as the exponent, it will always be X-1 times better than X by itself (simplifying greatly of course). Roger ***************************************************************** *Roger A. Grimes, InfoWorld, Security Columnist *CPA, CISSP, MCSE: Security (2000/2003/MVP), CEH, yada...yada... *email: roger_grimes () infoworld com or roger () banneretcs com *Author of Professional Windows Desktop and Server Hardening (Wrox) *http://www.amazon.com/gp/product/0764599909 ***************************************************************** -----Original Message----- From: Pranav Lal [mailto:pranav.lal () gmail com] Sent: Tuesday, July 18, 2006 12:43 PM To: security-basics () securityfocus com Subject: RE: ADS Password Storage Protection Hi Roger, <snip Let me comment on this post by saying that password length beats complexity character for character. PL] do you have any documentation to support the above statement? I ask out of interest. Pranav ------------------------------------------------------------------------ --- This list is sponsored by: Norwich University EARN A MASTER OF SCIENCE IN INFORMATION ASSURANCE - ONLINE The NSA has designated Norwich University a center of Academic Excellence in Information Security. Our program offers unparalleled Infosec management education and the case study affords you unmatched consulting experience. Using interactive e-Learning technology, you can earn this esteemed degree, without disrupting your career or home life. http://www.msia.norwich.edu/secfocus ------------------------------------------------------------------------ --- --------------------------------------------------------------------------- This list is sponsored by: Norwich University EARN A MASTER OF SCIENCE IN INFORMATION ASSURANCE - ONLINE The NSA has designated Norwich University a center of Academic Excellence in Information Security. Our program offers unparalleled Infosec management education and the case study affords you unmatched consulting experience. Using interactive e-Learning technology, you can earn this esteemed degree, without disrupting your career or home life. http://www.msia.norwich.edu/secfocus ---------------------------------------------------------------------------
Current thread:
- RE: ADS Password Storage Protection, (continued)
- RE: ADS Password Storage Protection Roger A. Grimes (Jul 24)
- RE: ADS Password Storage Protection eric . baechle (Jul 17)
- RE: ADS Password Storage Protection Roger A. Grimes (Jul 17)
- RE: ADS Password Storage Protection Baechle, Eric (Jul 17)
- Re: ADS Password Storage Protection Gregory Rubin (Jul 18)
- RE: ADS Password Storage Protection-$100 reward to crack my password hashes Roger A. Grimes (Jul 18)
- RE: ADS Password Storage Protection-$100 reward to crack my password hashes Donald N Kenepp (Jul 19)
- RE: ADS Password Storage Protection-4 Books for 4 Characters dave kleiman (Jul 19)
- RE: ADS Password Storage Protection Roger A. Grimes (Jul 19)
- RE: ADS Password Storage Protection Roger A. Grimes (Jul 17)
- RE: ADS Password Storage Protection Pranav Lal (Jul 19)
- RE: ADS Password Storage Protection Roger A. Grimes (Jul 21)
- RE: Re: RE: ADS Password Storage Protection dave kleiman (Jul 18)
- RE: Re: RE: ADS Password Storage Protection Baechle, Eric (Jul 19)
- RE: Re: RE: ADS Password Storage Protection dave kleiman (Jul 19)
- RE: Re: RE: ADS Password Storage Protection Baechle, Eric (Jul 19)
- RE: Re: RE: ADS Password Storage Protection Roger A. Grimes (Jul 21)
- RE: Re: RE: ADS Password Storage Protection Michael Yelland (Jul 21)