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November 28, 2016 2:10 PM
HPACK: the silent killer (feature) of HTTP/2
If you have experienced HTTP/2 for yourself, you are probably aware of the visible performance gains possible with HTTP/2 due to features like stream multiplexing, explicit stream dependencies, and Server Push.
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November 02, 2016 11:45 PM
Cloudflare Crypto Meetup #4: November 22
Come join us on Cloudflare HQ in San Francisco on Tuesday, November 22 for another cryptography meetup. We had such a great time at the last one, we decided to host another....
October 12, 2016 3:05 PM
TLS nonce-nse
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 leak. ...
September 23, 2016 4:01 PM
An overview of TLS 1.3 and Q&A
The CloudFlare London office hosts weekly internal Tech Talks (with free lunch picked by the speaker). My recent one was an explanation of the latest version of TLS, 1.3, how it works and why it's faster and safer....
September 21, 2016 3:51 PM
Opportunistic Encryption: Bringing HTTP/2 to the unencrypted web
Encrypting the web is not an easy task. Various complexities prevent websites from migrating from HTTP to HTTPS, including mixed content, which can prevent sites from functioning with HTTPS. ...
September 20, 2016 1:04 PM
Introducing TLS 1.3
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 to trade in our station wagons for a smoking new sports car. ...
September 20, 2016 1:04 PM
Encryption Week
Since CloudFlare’s inception, we have worked tirelessly to make encryption as simple and as accessible as possible. Over the last two years, we’ve made CloudFlare the easiest way to enable encryption for web properties and internet services. ...
June 10, 2016 1:08 PM
Optimizing TLS over TCP to reduce latency
The layered nature of the Internet (HTTP on top of some reliable transport (e.g. TCP), TCP on top of some datagram layer (e.g. IP), IP on top of some link (e.g. Ethernet)) has been very important in its development. ...
May 04, 2016 12:20 PM
Yet Another Padding Oracle in OpenSSL CBC Ciphersuites
Yesterday a new vulnerability has been announced in OpenSSL/LibreSSL. A padding oracle in CBC mode decryption, to be precise. Just like Lucky13. Actually, it’s in the code that fixes Lucky13....