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  • Reflections on certificates, Part 1

    January 17, 2023 by

    I’ve written a couple of posts on (X.509v3) certificates in the past, starting with this one in 2001. In the two decades since then a number of developments have taken place (to name a few: OCSP, ACME, Let’s Encrypt certificates and the general role of automation). On the other hand the fundamental mechanisms of certificates… Read more

  • Hexacon 2022

    October 17, 2022 by

    I spent the last two days in Paris to attend Hexacon 2022. As usual when I write here about conferences I’ll summarize some talks & observations. I don’t go to many offensive security-only events (it’s well-known that I have thoughts on a certain scene and its [non-] ethics, but on the other hand a periodic… Read more

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