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CrypTool is a free software illustrating the cryptographic concepts. A great number of analysis tools and algorithms are efficiently implemented. The graphical interface and the abundant online documentation allow the user, even a newbie, to be introduced to cryptography mysteries. The most classic mechanisms, as well as asymmetric cryptography RSA, ECC, digital signatures or Diffie-Hellman key exchange, are explained by visual animations. The CrypTool presentation with around 100 slides gives an overview of the CrypTool project and CrypTool's features including many screenshots. Image File history File links Size of this preview: 692 × 599 pixelsFull resolution (783 × 678 pixel, file size: 128 KB, MIME type: image/png) Bildbeschreibung=Screenshot zur englsichen Version des Kryptologie-Lernprogramms CrypTool Quelle=Bild selbst erstellt Erstellungsdatum=2006-07-27 File history Legend: (cur) = this is the current file...
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Cryptology is an umbrella term for cryptography and cryptanalysis. ...
In mathematics, computing, linguistics, and related disciplines, an algorithm is a finite list of well-defined instructions for accomplishing some task that, given an initial state, will terminate in a defined end-state. ...
The German Lorenz cipher machine, used in World War II for encryption of very high-level general staff messages Cryptography (or cryptology; derived from Greek κÏυπτός kryptós hidden, and the verb γÏάφω gráfo write or λεγειν legein to speak) is the study of message secrecy. ...
In cryptology, RSA is an algorithm for public-key encryption. ...
Elliptic curve cryptography (ECC) is an approach to public-key cryptography based on the algebraic structure of elliptic curves over finite fields. ...
In cryptography, a digital signature or digital signature scheme is a type of asymmetric cryptography used to simulate the security properties of a signature in digital, rather than written, form. ...
Diffie-Hellman (D-H) key exchange is a cryptographic protocol that allows two parties that have no prior knowledge of each other to jointly establish a shared secret key over an insecure communications channel. ...
This software is developed in an open source project. Originally it was developed by German companies and universities. Its role was to make the users aware of network security threats and explain to them some of the underlying concepts. It is designed rather as an e-learning tool than as a programme to be used productively. The package is available in English, German and Polish. This article or section is not written in the formal tone expected of an encyclopedia article. ...
The current version is written in C++. Currently it runs only on the operating system Microsoft Windows. A port to Linux with Qt4 just started. New sub projects started to port it to C#/.NET/WPF (see subversion repository at University of Darmstadt) and to Java/Eclipse/RCP/SWT (see the new SourceForge project). To meet Wikipedias quality standards, the lead section of this article may need to be expanded. ...
CrypTool received international awards as an educational software (TeleTrusT Special Award, EISA 2004, IT Security Award NRW 2004).
The whole package is downloaded approximately 3000 times a month (about 1/3 of it in English). It is used in schools, universities, companies and agencies for education and awareness training.
The development of CrypTool started in 1998. Current version is 1.4.10 which was released in July 2007.
See also
Image File history File links This is a lossless scalable vector image. ...
Image File history File links This is a lossless scalable vector image. ...
In cryptography, an asymmetric key algorithm uses a pair of cryptographic keys to encrypt and decrypt. ...
There are two different meanings of the word cryptosystem. ...
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