A Few Thoughts on Cryptographic Engineering

Is sandboxing sufficient to contain rogue agents?

Everything is about to “go dark”

Some thoughts about Anthropic’s new cryptanalysis results

Apple’s Siri-AI, or more shouting into the void about “private” agents

Fooling around with encrypted reasoning blobs

Anonymous credentials: an illustrated primer (Part 2)

Anonymous credentials: an illustrated primer

WhatsApp Encryption, a Lawsuit, and a Lot of Noise

Kerberoasting

A bit more on Twitter/X’s new encrypted messaging

Dear Apple: add “Disappearing Messages” to iMessage right now

Three questions about Apple, encryption, and the U.K.

How to prove false statements? (Part 3)

U.K. asks to backdoor iCloud Backup encryption

How to prove false statements? (Part 2)

How to prove false statements? (Part 1)

Let’s talk about AI and end-to-end encryption

Is Telegram really an encrypted messaging app?