CrypTool

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CrypTool
[[Programmer|DeveloperTemplate:Pluralize from text]]Bernhard Esslinger
Initial release1998; 28 years ago (1998)
Template:Infobox software/simple
Operating systemCT1 and CT2: Microsoft Windows,
JCT: Win, Linux and macOS
TypeCryptography, Encryption, Privacy, E-Learning
LicenseApache Licence 2.0
Websitewww.cryptool.org

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CrypTool is an open-source project[1] that is a free e-learning software for illustrating cryptographic and cryptanalytic concepts.

History

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:

  • CrypTool 2[5][6][7] (built with C#/.NET/WPF) (abbreviated CT2)
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

  • JCrypTool 1.0[8][9] (built with Java/Eclipse/RCP/SWT) (abbreviated JCT)
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 University of the Bundeswehr 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

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  1. ^ Page Module:Citation/CS1/styles.css has no content.Esslinger, Bernhard (22 September 2016). "CrypTool: An Open-Source E-Learning Project for Cryptography and Cryptanalysis" (PDF). Gesellschaft fuer Informatik, Crypto Day at SAP. This presentation delivers an overview. University of Siegen. Archived from the original (PDF) on 8 January 2017. Retrieved 26 September 2018.
  2. ^ Page Module:Citation/CS1/styles.css has no content.Esslinger, Bernhard (23 April 2013). "CrypTool: Modern open-source e-learning programs for cryptography and cryptanalysis" (PDF). Forum for Research and Innovation in Security and Communications. Retrieved 26 September 2018.
  3. ^ Page Module:Citation/CS1/styles.css has no content."CT1 Downloads - CrypTool". www.cryptool.org. Retrieved 4 September 2024.
  4. ^ Page Module:Citation/CS1/styles.css has no content."CrypTool for Awareness". CrypTool Portal. Retrieved 26 September 2018.
  5. ^ Page Module:Citation/CS1/styles.css has no content."Thesis of Rachel J. McRae" (PDF).
  6. ^ CrypTool 2: Developer site of the CT2 project Besides release and beta versions, each day a so called "Nightly Build" is produced for download.
  7. ^ CrypTool 2: Facebook Site of the CT2 project
  8. ^ JCrypTool 1.0: GitHub project of JCT Beta versions are updated each weekend as so called "Weekly Builds" for download.
  9. ^ JCrypTool 1.0: Site of the JCT project
  10. ^ Page Module:Citation/CS1/styles.css has no content."Kryptografie-Lernsoftware CrypTool wird jetzt an der Bundeswehr-Uni in München weiterentwickelt". Secupedia. 8 May 2023. Retrieved 29 August 2024.
  11. ^ Page Module:Citation/CS1/styles.css has no content.Adamovic, Sasa; Sarac, Marko; Veinovic, Mladen; Milosavljevic, Milan; Jevremovic, Aleksandar (2014). "An Interactive and Collaborative Approach to Teaching Cryptology". Educational Technology & Society. 17 (1): 197–205. JSTOR jeductechsoci.17.1.197.
  12. ^ Page Module:Citation/CS1/styles.css has no content."Winter School in Information Security. Overview presentation, Finse 1222, April 21-26, 2013". Forum for Research and Innovation in Security and Communications. 6 February 2013. Retrieved 26 September 2018.
  13. ^ Template:Cite FTP
  14. ^ Page Module:Citation/CS1/styles.css has no content.Kopal, Nils. "Solving Classical Ciphers with CrypTool 2" (PDF). Linköping University Electronic Press. Retrieved 26 September 2018.

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