Article View: sci.crypt
Article #1275Re: Letter Frequency
From: Haakon Styri
Date: Thu, 15 Oct 1992 09:41
Date: Thu, 15 Oct 1992 09:41
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In article <1big1qINNrnq@matt.ksu.ksu.edu>, holland@matt.ksu.ksu.edu (Rich Holland) writes: |> I'm in dire need of a letter frequency chart for the English language. I |> remember as a kid reading books on basic cryptanalysis and seeing these |> charts of the most frequently used letter (like "E" is most often used, |> then "S" or "R" or something, etc). I don't remember the order, but now |> I need it. Anyone got a copy of a table of something like this online? |> |> If not, got a source where I can go look it up quick? Have a look in Pfleeger's _Security in Computing_ (Prentice-Hall, 1989). Table 2.1 (page 31) lists letter frequency distributions, and table 2.8 (page 52) gives frequencies of digrams English. --- Haakon Styri
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Newsgroups: sci.crypt,alt.security Path: arc1-ca.pugleaf.net!sparky!uunet!mcsun!sunic!aun.uninett.no!nuug!nntp.nta.no!hal.nta.no!styri From: styri@hal.nta.no (Haakon Styri) Subject: Re: Letter Frequency Message-ID: <1992Oct15.094142.2636@nntp.nta.no> Lines: 16 Sender: news@nntp.nta.no Nntp-Posting-Host: balder.nta.no Reply-To: styri@nta.no Organization: Norwegian Telecom Research References: <1big1qINNrnq@matt.ksu.ksu.edu> Date: Thu, 15 Oct 92 09:41:42 GMT