CrypTool 2 (CT2) is an open-source program offering an innovative visual programming GUI to experiment with cryptographic procedures and to animate their cascades.
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 switched to Eclipse 3.7 (Indigo) and updates to Java runtime 6.0 with release candidate 5 (available since December 2011). From now on, all JCrypTool developers can use the latest Java and Eclipse features in their JCrypTool plug-ins.
The JCrypTool update site moved to http://www.cryptool.org/jct/update. This URL must be updated in JCrypTool manually if you are using a release older than release candidate 5a.
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