[Edu-sig] Cryptonomicon
Dustin Mitchell
dustin@cs.uchicago.edu
Mon, 20 Nov 2000 10:10:01 -0600 (CST)
On Mon, 20 Nov 2000, Kirby Urner wrote:
> Also fun would be to take some clubhouse crypto texts and
> crack them. Although permuting the 26 uppercase letters
> yields 403,291,461,126,605,635,584,000,000 possible
> arrangements (looks impressive), if we know the plaintext
> is in English, then we can always apply some valuable clues,
> e.g. letter frequency, in descending order, tends towards
> ETAOINSHRDLU, plus we have commonly occuring letter combos,
> like ET EA OU.
I thought that was 'RSTLNE'..
Dustin
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