Any recommendations for frequency analysis software?
in [Cryptography]
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From: Dave -Turner on 10 Mar 2010 17:48 Just wondering if anybody has any recommendations for Windows-based frequency analysis software for breaking trivial ciphers? Thanks
From: amzoti on 11 Mar 2010 11:41 On Mar 10, 2:48 pm, "Dave -Turner" <ad...(a)127.0.0.1> wrote: > Just wondering if anybody has any recommendations for Windows-based > frequency analysis software for breaking trivial ciphers? > Thanks I have not used any of these, but there seem to be quite a few. See: http://cryptography.software.informer.com/download-cryptography-frequency-analysis-tools/ See: http://www.downloadatoz.com/toplight/cipher%20text%20analysis.html See: http://wareseeker.com/free-frequency-analysis-tools/ See: http://en.wikipedia.org/wiki/Frequency_analysis See: http://www.richkni.co.uk/php/crypta/freq.php ~A
From: J.D. on 11 Mar 2010 17:03
On Mar 10, 5:48 pm, "Dave -Turner" <ad...(a)127.0.0.1> wrote: > Just wondering if anybody has any recommendations for Windows-based > frequency analysis software for breaking trivial ciphers? > Thanks Excel's pivot table will work for most basic types of frequency analysis. Just paste the text to be analyzed into a cell, use the LEFT and RIGHT (in conjunction with LEN) functions to split each character into a separate cell, and then run a pivot table report on the cells (arrange them in a single column to make this easier). In the 'layout' phase, make the column of cells both the ROW and the DATA -- this will give you a 'Count' (i.e. frequency of the various characters). By fiddling with the LEFT and RIGHT functions you can even count digraphs and trigraphs. |