CrypTool
| CrypTool | |
|---|---|
 E-Learning Program for Cryptography | |
| Developer | Bernhard Esslinger |
| Initial release | 1998 |
| Stable release | CT 1.4.42 (December 2021) CT 2.1 (release 2024.1) (January 2024) |
| Repository |
|
| Engine | |
| Operating system | CT1 and CT2: Microsoft Windows, JCT: Win, Linux and macOS |
| Type | Cryptography, Encryption, Privacy, E-Learning |
| License | Apache Licence 2.0 |
| Website | www |
CrypTool is an open-source project[1] that is a free e-learning software for illustrating cryptographic and cryptanalytic concepts.
History
[edit | edit source]The development of CrypTool started in 1998. Originally developed by German companies and universities, it is an open-source project since 2001.[2]
Currently 4 versions of CrypTool are maintained and developed: CrypTool 1 (CT1), CrypTool 2 (CT2), JCrypTool (JCT), and CrypTool-Online (CTO). All are available in English and German.[3]
The goal of the CrypTool project is to make users aware of how cryptography can help against network security threats and to explain the underlying concepts of cryptology.[4]
The development of CT1 started in 1998. It is written in C++ and designed for the Microsoft Windows operating system.
In 2007, development began on two additional projects, both based on a pure-plugin architecture, to serve as successors to the original CT1 program:
- uses the concept of visual programming to clarify cryptographic processes. Currently, CT2 contains more than 150 crypto functions.
Brute-force attack on a reduced version of AES in CrypTool 2
- runs on Windows, macOS, and Linux, and offers both a document-centric and a function-centric perspective. Currently, JCT contains more than 100 crypto functions. One of its focal points are modern digital signatures (like Merkle trees and SPHINCS).
The browser software CrypTool-Online (CTO) has been in development since 2010 and is now the one most widely used.
Since 2023, the project has been managed by the CODE research institute at the Bundeswehr University Munich.[10]
CrypTool is used in schools, universities,[11] companies and agencies for education and awareness training.[12][13][14]
See also
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References
[edit | edit source]- ^ Lua error in Module:Citation/CS1/Configuration at line 2172: attempt to index field '?' (a nil value).
- ^ Lua error in Module:Citation/CS1/Configuration at line 2172: attempt to index field '?' (a nil value).
- ^ Lua error in Module:Citation/CS1/Configuration at line 2172: attempt to index field '?' (a nil value).
- ^ Lua error in Module:Citation/CS1/Configuration at line 2172: attempt to index field '?' (a nil value).
- ^ Lua error in Module:Citation/CS1/Configuration at line 2172: attempt to index field '?' (a nil value).
- ^ CrypTool 2: Developer site of the CT2 project Besides release and beta versions, each day a so called "Nightly Build" is produced for download.
- ^ CrypTool 2: Facebook Site of the CT2 project
- ^ JCrypTool 1.0: GitHub project of JCT Beta versions are updated each weekend as so called "Weekly Builds" for download.
- ^ JCrypTool 1.0: Site of the JCT project
- ^ Lua error in Module:Citation/CS1/Configuration at line 2172: attempt to index field '?' (a nil value).
- ^ Lua error in Module:Citation/CS1/Configuration at line 2172: attempt to index field '?' (a nil value).
- ^ Lua error in Module:Citation/CS1/Configuration at line 2172: attempt to index field '?' (a nil value).
- ^ Lua error in Module:Citation/CS1/Configuration at line 2172: attempt to index field '?' (a nil value).[dead ftp link] (To view documents see Help:FTP)
- ^ Lua error in Module:Citation/CS1/Configuration at line 2172: attempt to index field '?' (a nil value).
External links
[edit | edit source]- Official website
- CrypTool-Online
- International Cipher Contest "MysteryTwister" (MTC3)
- – presentation-en.pdf Presentation about the CrypTool-1 program with more than 100 slides and many screenshots
