It takes two to ChaCha (Poly)
Apr 4, 2016Vlad Krasnov
Summary
This post details Cloudflare's early adoption and ongoing support for the ChaCha20-Poly1305 AEAD cipher suite. It explains the technical aspects of AEADs, the history and standardization of ChaCha20-Poly1305, its advantages over AES-GCM, and the differences between draft and RFC versions. Cloudflare's contribution includes an open-sourced patch for OpenSSL that supports both versions, ensuring compatibility with existing and upcoming browsers, and highlighting their role in pioneering this technology for improved web performance and security, especially on mobile devices.
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