I’m supposed to be finishing a wonky series on proof systems (here and here) and I promise I will do that this week. In the midst of this I’ve been a bit distracted by world events. Las…| A Few Thoughts on Cryptographic Engineering
We're rolling out end-to-end encryption for all personal chats and calls on Messenger and Facebook, making them even more private and secure.| Meta
A few weeks ago I ran into a conversation on Twitter about the weaknesses of applied cryptography textbooks, and how they tend to spend way too much time lecturing people about Feistel networks and…| A Few Thoughts on Cryptographic Engineering
The Double Ratchet algorithm is used by two parties to exchange encrypted messages based on a shared secret key.| Signal Messenger