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JCrypTool builds are based on Eclipse RCP and require Java 8 or newer 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 variety of encryption and cryptanalysis methods including illustrated examples and tools like password generator and password meter.

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 current stable version is from 2019-02-16.

MD5: 6cdee05341018f36e84a28c7e3f2ed8c
SHA1: 2534c80b25fcd30a6acdf1efefa1d68f9d6e2268

MD5: b45614645ee4bdf8af3978380beb02e2
SHA1: e9341cf7d0ee298e56f5e4594d50e9b79e7942db

MD5: dfbeee06a57e673d07a388d4e87cc07b
SHA1: 9ebc0352c8d7ed2c9cccfa3a28a2f1f98325f090

JCrypTool requires Java 8 in the 64 bit version or newer as runtime environment.

Detailed release information is available on GitHub. Installation instructions are available here.

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