Use CrypTool-Online (browser version). It works on any Chromebook but has fewer features than the desktop versions.
Some antivirus engines may flag CrypTool’s “cryptanalysis” components because they contain techniques (e.g., brute-force loops) that resemble malware behavior. This is a false positive. Add CrypTool’s installation folder to your AV exclusion list. cryptool download
: Install .NET 4.8 (supports Win7) manually, or use JCrypTool instead. Issue 4: macOS users cannot run CrypTool 2 Cause : CT2 is Windows-native. There is no native macOS build for CT2. Use CrypTool-Online (browser version)
The project releases updates every 6–12 months. Check the official download page for the latest version. The current stable CT2 version is 2023.1 (as of this writing). cryptool download