CrypTool Portal

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Did you know?

That CrypTool was originally designed as an internal business application for information security training. CrypTool has since developed into an important open-source project in the field of cryptology. Over 50 volunteer developers worldwide contribute to the program.

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Presentations

1. Official presentation of the CrypTool project

Last Update: August 2010
The CrypTool presentation, with over 100 slides, gives an overview of the CrypTool project and the features of CrypTool 1.x.

2. "Innovative CrypTool Presentation"

This colorful innovative presentation, held in Spain, November 2008 by Gonzalo Álvarez Marañón, describes the past, present and future of CrypTool in a visual appealing way.

3. The RSA cipher

Last Update: November 2010
This presentation shows the basics of the RSA cipher in an attractive interactive way.
We offer it in three variants:
a) Powerpoint 2007 (for download; dynamical, animated)
b) PDF (for download; static, no interaction)
c) Flash (can be started within the browser, requires JavaScript; time-controlled replay)

Documentation

Land der Ideen - Statements

"Thanks a lot for the release of CrypTool, which is an excellent tool for teaching cryptography. As for the feedback from the students, I would like to mention that I haven't had any complaints about CT. Generally, students are very positive about the tool and we are certainly continue to use it in our lab."

Mario Cagalj, Split