Hey! I'm David, a security engineer at the Blockchain team of Facebook, previously a security consultant for the Cryptography Services 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 popular articles:

21705 Hash-Based Signatures Part I: One-Time Signatures (OTS)
06586 Speed and Cryptography
06105 Proof of Elgamal's semantic security using a reduction to DDH
05546 Tamarin Prover Introduction
03469 A New Public-Key Cryptosystem via Mersenne Numbers
09021 The Strobe Protocol Framework
29427 What are x509 certificates? RFC? ASN.1? DER?

Here are the latest links posted:

20 Oct Power Analysis To The People
20 Oct Goto 2016 • Cracking The Cipher Challenge • Simon Singh
12 Oct Ken Thompson's Unix Password
07 Oct Automating The Development Of Chosen Ciphertext Attacks
07 Oct 48Ce563F89A0Ed9414F5Aa28Ad0D96D6795F9C62

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Funny cryptographers posted November 2015

funny cryptographers

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