Why 256 bit keys are long enough. A nice graphic explanation by Schneier why brute-force attacks against 256-bit keys will be infeasible until computers are built from something other than matter and occupy something other than space. [more inside]
posted by Twang on Dec 17, 2012 - 34 comments

An animated Flash demonstration of the Advanced Encryption Standard. [more inside]
posted by grouse on Oct 11, 2010 - 20 comments

A stick figure guide to the Advanced Encryption Standard. [via Bruce Schneier]
posted by Electric Dragon on Sep 26, 2009 - 21 comments

AES may have been broken. The new standard in crypto, AES, and other algorithms, appear to be vulnerable to xsl. This is not a practical attack, yet, but if you're interested in crypto it's fascinating (and shocking) news.
posted by andrew cooke on Sep 16, 2002 - 7 comments