How the NSA (may have) put a backdoor in RSA’s cryptography: A technical primer

Published on by Nick Sullivan.

There has been a lot of news lately about nefarious-sounding backdoors being inserted into cryptographic standards and toolkits. One algorithm, a pseudo-random bit generator, Dual_EC_DRBG, was ratified by the National Institute of Standards and Technology (NIST) in 2007 and is attracting a lot of attention for having a potential backdoor. This is the algorithm into which the NSA allegedly inserted a backdoor and then paid RSA…

Welcome 1&1 Internet, CloudFlare’s Newest Optimized Partner!

Published on by Maria Karaivanova.

On a rainy day back in March 2013, a small team from CloudFlare found ourselves bonding over a beer and a schnitzel in Karlsruhe, Germany — the home of 1&1 Internet. 1&1 is one of the leading hosting companies in the world, the second largest shared host by number of customers. The schnitzel and beer was the start of a great relationship that has…

2013: Rebuild the Engine; 2014: Step on the Gas

Published on by Matthew Prince.

It's been a busy 2013 here at CloudFlare. By all external measures it was a terrific year. We grew page views, revenue and traffic across our network – all by more than 400%. We added terrific partners and high profile customers. We continued to hire great people, doubling team size and opening our second office in London near St. Paul's Cathedral. However, 2013 was…

Using CloudFlare to mix domain sharding and SPDY

Published on by John Graham-Cumming.

Note: this post originally appeared as part of the 2013 PerfPlanet Calendar It’s common knowledge that domain sharding, where the resources in a web page are shared across different domains (or subdomains), is a good thing. It’s a good thing because browsers limit the number of connections per domain: splitting a web page across domains means more connections and hence faster page downloads. Overall…

Keeping our open source promise

Published on by John Graham-Cumming.

Back in October I wrote a blog post about CloudFlare and open source software titled CloudFlare And Open Source Software: A Two-Way Street which detailed the many ways in which we use and support open source software. Since then we've pushed out quite a lot of new open source projects, as well as continuing to support the likes of LuaJIT and OpenResty. All our open source…