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CrypTool icon

CrypTool

The application Cryptool is a free e-learning application for Windows. You can use it to apply and analyze cryptographic algorithms. The current version of Cryptool is used all over the world. It supports both contemporary teaching methods at schools and universities as well as...

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Cost / License

  • Free
  • Open Source

Platforms

  • Windows  Requires JRE 1.6+
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CrypTool was added to AlternativeTo by Tanath on and this page was last updated .
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What is CrypTool?

The application Cryptool is a free e-learning application for Windows. You can use it to apply and analyze cryptographic algorithms. The current version of Cryptool is used all over the world. It supports both contemporary teaching methods at schools and universities as well as awareness training for employees.

Numerous classic and modern cryptographic algorithms (encryption and decryption, key generation, secure passwords, authentication, secure protocols, etc.) Visualization of several algorithms (Caesar, Enigma, RSA, Diffie-Hellman, digital signatures, AES, etc.) Cryptanalysis of several algorithms (Vigenère, RSA, AES, etc.) Cryptanalytical measurement methods (entropy, n-grams, autocorrelation, etc.) Related auxiliary methods (primality tests, factorization, base64 encoding, etc.) Number theory tutorial Comprehensive online help Accompanying script with additional information about cryptology And plenty more!