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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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Script

Current version: 10th edition, July 2010

In this 200+ pages book delivered with the CrypTool application you will find predominantly mathematically oriented information on using cryptographic procedures. The main chapters have been written by various authors and are therefore independent from each another.

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

We would like to thank the CrypTool team for having put together the CrypTool-Online website, especially for the password checker and password generator. With permission from your team we integrated these functions into our internal corporate security web site. This helps our users to better understand in detail what kind of passwords are good and qualify for usage. We'd like to mention that it was easy to customize the scripts to reflect our internal password policy, which helped us to adopt the tool to real life. We hope this encourages your students to continue their path of providing useful tools and solutions.

Michael S. Oberländer, Chief Security Officer, Kabel Deutschland GmbH