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:

05485 Tamarin Prover Introduction
21607 Hash-Based Signatures Part I: One-Time Signatures (OTS)
03039 Bits and Bytes ordering in 5 minutes
05561 What is the BLS signature scheme?
49510 TLS, Pre-Master Secrets and Master Secrets
04808 Database Encryption
03443 A New Public-Key Cryptosystem via Mersenne Numbers

Here are the latest links posted:

You can also suggest a link.

The Real World Cryptography book is on sale posted July 2019

Hello there,

It look like my new book Real World Crypto, available on pre-access here, is the current best seller on Mannings.

best seller real world cryptography

What this means for you is that you can read the first chapters there for free (or purchase the book, you know :P) and tell me what you liked and didn't like.

What this mean for me is that I now have more pressure to finish the book.

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

ralfie

what happened to CAESAR competition? Which one should we use now?