CrypTool
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E-Learning Program for Cryptology
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| Developer(s) | Bernhard Esslinger, – University of Darmstadt – University of Duisburg-Essen – University of Kassel / Applied Information Security – University of Siegen |
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| Initial release | 1998 |
| Stable release |
CT 1.4.30 (August 4, 2010)
CT 2.0 (August 20, 2014) |
| Preview release |
CT 1.4.31 Beta 6b (October 2013)
JCT 1.0 RC8 (October 2016) |
| Repository | github |
| Operating system | CT1 and CT2: Microsoft Windows, JCT: Win, Linux and MacOS |
| Type | Cryptology, Encryption, Privacy, E-Learning |
| License | Apache Licence 2.0 |
| Website | www |
CrypTool is an open source project. Main result is the free e-learning software CrypTool illustrating cryptographic and cryptanalytic concepts. According to "Hakin9" CrypTool is worldwide the most widespread e-learning software in the field of cryptology.
CrypTool implements more than 300 algorithms. Users can adjust these with own parameters. The graphical interface, online documentation, analytic tools and algorithms of CrypTool introduce users to the field of cryptography. CrypTool contains the most classical ciphers as well as modern symmetric and asymmetric cryptography including RSA, ECC, digital signatures, hybrid encryption, homomorphic encryption, and Diffie–Hellman key exchange. Also methods from the area of quantum cryptography (like BB84 key exchange protocol) and the area of post-quantum cryptography (like McEliece, WOTS, Merkle-Signature-Scheme, XMSS) are implemented. Many methods (for instance Huffman code, AES, Keccak, MSS) are visualized.
In addition it contains: didactical games (like Number Shark, Divider Game, or Zudo-Ku) and interactive tutorials about primes, elementary number theory, and lattice-based cryptography.
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Wikipedia