CrypToolProject/CrypTool-2

Official CrypTool 2 (CT2) repository. CT2 is an open-source software for learning about cryptography and cryptanalysis interactively. CT2 provides a comprehensive suite of tools to deeply explore algorithms and protocols, making it perfect for both academic study and personal exploration. It also includes features for analyzing historical ciphers.

3 best points · 0 comments · 1 Hacker News post · 169 GitHub stars · View on GitHub

Hacker News discussions

• CrypLLM: AI chat agent for CrypTool 2 (3 points, 0 comments, by modinfo, 2026-09-19)