Re: frequency analysis2002-08-30 13:50:16On Fri, 30 Aug 2002 13:58:37 CDT, "David J. Aronson" <dja2001(_at_)att(_dot_)net> said: How do cryptanalysis programs know when they've got it right? I am told It has to do with what's called the "unicity distance" - if we're expecting to decrypt and find English, what are the chances that a random key will produce 1, 2, 3 blocks of English? http://www.counterpane.com/crypto-gram-9812.html has a writeup on it.
|
|