CrypTool 2 follows the Microsoft Office 2007 User Interface Design Guideline, providing a consistent and rich user experience.
Release Candidate 8 available
JCrypTool 1.0.0 Release Candidate 8 is available on our download page.Read more ...
Join the #CSCG
The Cyber Security Challenge Germany (CSCG) is the German hacking competition for pupils and students. There are 12 online challenges starting on May 2nd, 2016. The juveniles have to solve different IT-Security tasks till August.Read more ...
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 ...
Land der Ideen - Statements
"CrypTool educates PC users about the basics of cryptography in a fascinating way. It allows the exploration of various crypto mechanisms in a very illustrative way. The implementation of ancient algorithms provides an interesting walk through the history of cryptology - ending up with a comprehensive demonstration of all modern implementations."
Sascha Hanke, Microsoft Deutschland GmbH