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

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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.

The JCrypTool team consists of two groups, always sharing their know how and their interest in moving the JCrypTool cryptography platform forward.

Depending on your interests, the Core project or the Crypto project might be interesting for you. There are a lot of ideas and todos listed in our wiki. Feel free to contact one of the project leads in case you are interested in joining the team!

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