CrypTool

CrypTool is a free e-learning Windows program, designed to demonstrate the application and analysis of encryption algorithms. It is commonly used to study cryptology due to the included extensive online help database. If you want to simply protect your folders, you may use AxCrypt.

User interface and functionality

The utility features a quite basic graphical user interface, consisting of the main menu, a toolbar and the main workspace. It provides intuitive manipulation and interaction of cryptographic functions thanks to the vector-oriented layout and support for multiple languages.

You can teach or learn about cryptographic algorithms by means of practicing visual programming in this tool. Thanks to the friendly working environment, you are able to test the gained knowledge about cryptanalysis and cryptography.

Contents

If you are a novice user, you should know that this application comes with a comprehensive online help manual. It explains every built-in cryptographic function and method. The included algorithms represent both classic and modern cryptosystems. The modern methods encompass hybrid encryption, RSA and AES algorithms, as well as Enigma, Caesar and the double-column transposition.

This utility enables users to create a text authentication code via the HMacMD5 algorithm, encrypt and decrypt messages with AES or generate pseudo-random data with SHA1.

Features

• free to download and use;
• compatible with modern Windows versions;
• gives you the ability to learn and practice algorithm encryption;
• provides a detailed online help manual;
• supports multiple languages.