Hey! I'm David, a security consultant at Cryptography Services, the crypto team of NCC Group . This is my blog about cryptography and security and other related topics that I find interesting.

If you don't know where to start, you might want to check these blogposts:

BEAST: the CBC Attack on TLS
Maybe You Shouldn't Skip SHA-3
How to Backdoor Diffie-Hellman
Let's Encrypt Overview
Fault attacks on RSA signatures
Hash-Based Signatures: a 4-part Series

Here are the latest links posted:

10 Dec Drunk President And The Nuclear Launch?—?shamir Secret Sharing?
07 Dec Csidh: An Efficient Post-Quantum Commutative Group Action
07 Dec Statement From The Ietf Sec Area Directors Regarding "enterprise Tls"
06 Dec Https In The Real World
06 Dec Design Of Lightweight Linear Layers

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Markdown

posted December 2013

I've changed the way I handle articles on this blog. I used to type plain html, but I'm now using the markdown syntax with the php parsedown parser.

So if you see any display errors, please tell me.

Well done! You've reached the end of my post. Now you can leave me a comment :)