Cryptology game CODEBREAKERS.EU -- 4th edition
On 1st of June 2015 the first of 6 tasks starts on the Enigma level. For three weeks two times per week new documents with tasks are published.Read more ...
CT 2.0 released
The release version of CrypTool 2.0 was released on 20th Aug 2014. We would be happy if many of you use it for teaching, self-study, education and awareness and give us feedback.
Article about solving the Double-Transposition Challenge in Cryptologia
A level X challenge in MysteryTwister C3 by Klaus Schmeh using the double-column transposition cipher withstood a long time against cryptanalysis efforts. Nevertheless, it was solved in November 2013 by George Lasry.Read more ...
Land der Ideen - Statements
"The non-numerate students found the pictorial descriptions of how the various processes work invaluable. They speak of CrypTool helping to remove their fear of the subject. A few have even reluctantly admitted that CrypTool brought the subject to life and made it fun."
Prof. Fred Piper, Royal Holloway University