What is CrypTool 1

CrypTool 1 (CT1) is an open-source Windows program for cryptography and cryptanalysis. It’s the most wide-spreaded e-learning software of its kind.

What is CrypTool 2?

CrypTool 2 (CT2) is an open-source program offering an innovative visual programming GUI to experiment with cryptographic procedures and to animate their cascades.

What is JCrypTool?

JCrypTool (JCT) is an open-source e-learning platform, allowing to experiment comprehensively with cryptography on Linux, MAC OS X, and Windows.

What is CrypTool-Online?

CrypTool-Online (CTO) runs in a browser and provides a huge variety of encryption methods and analysis tools including many illustrated examples.

What is MysteryTwister C3?

MysteryTwister C3 (MTC3) is an international Crypto Cipher Contest offering a broad variety of challenges, a moderated forum and an ongoing hall-of-fame.

JCrypTool 1.0.0 Release Candidate 7 is available for download! This release contains a lot of bugfixes, feature enhancements and six new crypto plug-ins.

JCrypTool 1.0.0 Release Candidate 7 is available for download! This release contains a lot of bugfixes, feature enhancements and six new crypto plug-ins:

  • New visualization plug-in Extended RSA
  • New visualization plug-in Signature Demonstration
  • New visualization plug-in Public-Key Infrastructure
  • New visualization plug-in Huffman Coding
  • New visualization plug-in Shanks Babystep-Giantstep
  • New games plug-in Divide

Thanks to all our contributors!

All changes are listed on the Core Issues and on the Crypto Issues pages.

This is our last release candidate, the final version will be available 2015. Your bug reports and your feedback are welcome (as always).

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