http://ssd.iykpqm7jiradoeezzkhj7c4b33g4hbgfwelht2evxxeicbpjy44c7ead.onion/zh-hans/module/communiquer-avec-autrui
This is a core characteristic of good encryption : even the people who design and deploy it cannot themselves break it. Many of the tools that have guides on the SSD site—including Tor , Signal , and WhatsApp —use end-to-end encryption. You can use end-to-end encryption for any kind of communication—including voice and video calls, messaging and chat, file transfers, and email.