Tag: research

ChaCha20 Variants in the Wild

Written by Dominik Pantůček on 2026-10-08

research cryptography

You use ChaCha20 as your symmetric stream cipher of choice for encrypted containers and then you try to map those containers on a simple TLS connection. If you really tried, you've already noticed the issue. ChaCha20 is NOT a single cipher anymore.

Back in Academia

Written by Dominik Pantůček on 2026-09-24

research racket

Today I've got a purely personal post to publish which has been probably due for quite some time. I am back in academia and I finally put up my researcher homepage a suggested by my faculty.