Did you know?

JCrypTool is based on Eclipse 4.5 (Mars) and requires Java 8 as runtime environment.

Read more ...

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.

Are you interested in joining the JCrypTool developers’ team? Do you already have a crypto plug-in in mind, or do you need some ideas to get started? We are open to anybody, feel free to contact us!

Are you interested in joining the JCrypTool developers’ team? Do you already have a crypto related idea in mind, or do you need some ideas to get started? We are open to anybody, feel free to contact us! The JCrypTool online help and our wiki are the best places for new developers to get started and to find additional information, such as our release schedule and a huge list of project ideas.

All our development resources, source code, bug and feature tracker, documentation and wiki are available on our two GitHub projects: JCrypTool Core and JCrypTool Crypto. Discussions take place in our developers group or our users group. Please use one of the contact possibilities provided to get in contact with the JCrypTool team.

Go To Top