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 the boring details of AES. Some of the folks in this conversation suggested that instead of these things, we should be … Continue reading PRFs, PRPs…
#provable security
3 posts
8 May 2023
5 Jan 2020
This is part five of a series on the Random Oracle Model. See here for the previous posts: Part 1: An introduction Part 2: The ROM formalized, a scheme and a proof sketch Part 3: How we abuse the ROM to make our security proofs work Part 4: Some more examples of where the ROM … Continue reading What is…
19 Oct 2018
The first rule of PAKE is: nobody ever wants to talk about PAKE. The second rule of PAKE is that this is a shame, because PAKE — which stands for Password Authenticated Key Exchange — is actually one of the most useful technologies that (almost) never gets used. It should be deployed everywhere, and yet it isn’t. … Continue reading…