[Cryptology] [The Cryptology Independent Study Project] The Codebreakers: Project 10.0

[The Cryptology Independent Study Project]

http://cryptology.dod.net/index.php?/archives/21-The-Codebreakers-Project-10.0.html

Read chapter ten, “A War of Intercepts: I.”  This chapter basically talks about the systems each country used in WWI.  Pay attention to pages 301-303 to find out about the double columnar transposition ciphers that the Germans used.  Page 308-309 talk about the French cryptanalysis of transposition grilles.  Also pages 312-313 talk about the French systems.  Takes about 1 hour to read.

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