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Christophe Brocas :salt:

@cbrocas@infosec.exchange
mastodon 4.8.0-alpha.3+glitch
  • Open on infosec.exchange

- security engineer @ https://www.ameli.fr
- conference co founder & organizer @ https://www.pass-the-salt.org (Security & Free Software conference)
- have loved sliding
- messages are my own

0 Followers
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9 Posts
Joined November 18, 2022
Website:
https://www.brocas.org/
Github:
https://github.com/cbrocas
Twittodon verification:
https://twittodon.com/share.php?t=cbrocas&m=cbrocas@infosec.exchange
Open post
Christophe Brocas :salt: @cbrocas@infosec.exchange
· 10mo ago

"A BRIEF HISTORY OF ACME" BLOGPOST

📣 I would like to share with you an article I wrote about the ACME protocol, which I "fell in love with" about ten years ago. It is a way for me to give back to this fantastic Free Software and Open Protocols developers community:

👉️ https://blog.brocas.org/2025/12/01/ACME-a-brief-history-of-one-of-the-protocols-which-has-changed-the-Internet-Security/

🚀 This article is about the roots, the design, the standardization, the relation with the ecosystem and the evolution challenges faced by the ACME protocoI. To write this article, I had the privilege of interviewing several people who have been involved in the creation and the evolution of ACME: J.C. Jones, Aaron Gable, Sarah Gran and Jacob Hoffman-Andrews.

💚 Thank you so much to all of you for your time and support!

✨️ I really hope you will find in this article some interesting insights and lessons from their shared experience.

I would also be really happy to have your feedback about this post :)

🙏

And as always, relays would be really appreciated!

cc @coffee@mastodon.sandwich.net @asg@hachyderm.io @mattm@infosec.exchange

blog.brocas.org

ACME, a brief history of one of the protocols which has changed the Internet Security

ACME, a brief history of one of the protocols which has changed the Internet Security Changelog 03 December 2025: article announced on Mastodon, LinkedIn and X. 03 December 2025: J.C. Jones published his reflections about 10 years of Let’s Encrypt. A must read! 03 December 2025: J.C. has also been kind enough to announce this article on Hacker News. It makes it jump in the TOP 25 on the HN homepage and in stats (31k reads after 24h, 45k after 15d) 💚 04 December 2025: add a link to the ACME websi

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Open post
Christophe Brocas :salt: @cbrocas@infosec.exchange
· 12mo ago
Replying to
@adulau @suricata @cert_eu @misp @circl @Regit ahah 🍽
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Open post
Christophe Brocas :salt: @cbrocas@infosec.exchange
· 12mo ago
Replying to
@adulau @suricata @cert_eu @misp @circl this @Regit ❤️
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Open post
Christophe Brocas :salt: @cbrocas@infosec.exchange
· 9mo ago
Replying to
@quinn @adulau nope. Currently on the sovereignty topic, words of FR administrations are very often contradicted by actions 😞
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Open post
Christophe Brocas :salt: @cbrocas@infosec.exchange
· 10mo ago
Replying to
@coffee@mastodon.sandwich.net @asg@hachyderm.io @mattm@infosec.exchange thanks so much for the support, J.C. 🙏
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Open post
Christophe Brocas :salt: @cbrocas@infosec.exchange
· 10mo ago
Replying to
@Aissen@social.treehouse.systems Fixed.
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Open post
Christophe Brocas :salt: @cbrocas@infosec.exchange
· 10mo ago
Replying to
@Aissen@social.treehouse.systems Thanks, will fix it 🙏
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Open post
Christophe Brocas :salt: @cbrocas@infosec.exchange
· 10mo ago
Replying to
@CyrilBrulebois@mamot.fr @coffee@mastodon.sandwich.net @asg@hachyderm.io @mattm@infosec.exchange Nice! The answer of @coffee@mastodon.sandwich.net about the DNS challenge is very nice and humble :)
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Open post
Christophe Brocas :salt: @cbrocas@infosec.exchange
· 10mo ago
Replying to
@CyrilBrulebois@mamot.fr @coffee@mastodon.sandwich.net @asg@hachyderm.io @mattm@infosec.exchange Yep! For ppl regularly involved in the public PKI ecosystem, it is a daily concern but very happy to see this information has been useful to you as a reminder :)
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