Tls

by Nick Sullivan

Cloudflare’s mission is to help build a faster and more secure Internet. Over the last several years, the Internet Engineering Task Force (IETF) has been working on a new version of TLS, the…

by Filippo Valsorda

Nick Sullivan and I gave a talk about TLS 1.3 at 33c3, the latest Chaos Communication Congress. The congress, attended by more that 13,000 hackers in Hamburg, has been one of the hallmark…

by Nick Sullivan

CloudFlare is turbocharging the encrypted internet
The encrypted Internet is about to become a whole lot snappier. When it comes to browsing, we’ve been driving around in a beat-up car from the 90s for a while. Little does anyone know, we’re all about…

by Patrick R. Donahue

When we launched Universal SSL in September 2014 we eliminated the costly and confusing process of securing a website or application with SSL, and replaced it with one free step: sign up for Cloudflare.

by Filippo Valsorda

One of the base principles of cryptography is that you can’t just encrypt multiple messages with the same key. At the very least, what will happen is that two messages that have identical plaintext will also have identical ciphertext, which is a dangerous…