https://articles.maximemoreillon.com/tags/cryptography/ Recent content in Cryptography on Maxime Moreillon Hugo -- gohugo.io en-us Sat, 21 Mar 2026 00:00:00 +0000 https://articles.maximemoreillon.com/articles/encrypted-chat/ Sat, 21 Mar 2026 00:00:00 +0000 https://articles.maximemoreillon.com/articles/encrypted-chat/ <p><a href="https://github.com/maximemoreillon/encrypted-chat">encrypted-chat</a> is a small chat application built not as a secure messaging product but as a way to get hands-on with the Web Crypto API: what it actually takes to keep message content unreadable to the backend itself, rather than merely encrypting data in transit and at rest. The app is a SvelteKit frontend backed by Firebase: Firebase Authentication (Google sign-in) handles who can access the app, and Firestore stores chats and messages, but the messages Firestore holds are already ciphertext by the time they leave the browser.</p>