Compression is often considered an essential tool when reducing the bandwidth usage of internet services. The impact that the use of such compression schemes can have on security, however, has often been overlooked.
Introducing Certificate Transparency and Nimbus
Certificate Transparency (CT) is an ambitious project to help improve security online by bringing accountability to the system that protects HTTPS. Cloudflare is announcing support for this project by introducing two new public-good services.
How "expensive" is crypto anyway?
I wouldn’t be surprised if the title of this post attracts some Bitcoin aficionados, but if you are such, I want to disappoint you. For me crypto means cryptography, not cybermoney, and the price we pay for it is measured in CPU cycles, not USD.
Why TLS 1.3 isn't in browsers yet
Upgrading a security protocol in an ecosystem as complex as the Internet is difficult. You need to update clients and servers and make sure everything in between continues to work correctly. The Internet is in the middle of such an upgrade right now.
Concise (Post-Christmas) Cryptography Challenges
It's the day after Christmas; or, depending on your geography, Boxing Day. With the festivities over, you may still find yourself stuck at home and somewhat bored. Either way; here are three relatively short cryptography challenges, you can use to keep you momentarily occupied. Other than the hints (and some