Diego F. Aranha

@dfaranha.bsky.social

Associate Professor of Cryptographic Engineering at Aarhus University. https://dfaranha.github.io/

Não sei como o governo consegue ter a cara de pau de discutir soberania e AI com esses valores desse jeito. Mals ae pelo fogo amigo

Ford has rehired hundreds of senior engineers after replacing them with AI backfired and has cost the company billions of dollars. AI adoption is blamed for Ford being the most recalled automaker in the U.S. with 51 recalls covering over 11 million vehicles in the first half of 2026 alone.

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Today I learned that a *third* former student got accepted into a top grad program abroad as a direct consequence of my applied cryptography mentorship in Lebanon last year. Walking in Paris with my chest so puffed from pride that it’s pushing cars out of the way and denting buildings

Today is both: - First day of the summer semester of my applied cryptography course! WE'RE BACK BABY - Deltarune Chapter 5 is likely to be announced (during today's Nintendo Direct) TODAY IS A GOOD DAY

It's that time of the year again: Systems Security exam week! If you remember, this is the final task in my graduate-level course where students put theory to practice and perform security analysis of a mobile app. There's so much broken stuff out there that I am having trouble sleeping at night.

🇨🇦's #BillC22 is entering committee study this week - and we're hearing it may become law by end of the month. We never say this: but this is the worst, most privacy-breaking bill we've seen. It MUST be stopped. Speak up against it and read on to learn more: www.openmedia.org/StopC22-bsky 1/

Stop the Surveillance State: Stop Bill C-22!

🚨 Bill C-22 forces every Canadian internet provider, messaging app & cloud service to build surveillance backdoors and store a year of your data. Foreign state hackers exploited similar legislation in...

openmedia.org

I'm looking for a PhD student to work with me on formal verification for cryptographic protocols. This is a 4-year position at VU Amsterdam, co-supervised with Kristina Sojakova. Send me an email if you want to know more!

It’s inaccurate to say Mario is brave and Luigi is cowardly Luigi is afraid of death, so he runs away from danger. Mario is afraid of living, so he runs towards death. Both brothers are cowards in their own way

We performed a security analysis of the LINE messenger in our latest paper, "LINE-Break: Cryptanalysis and Reverse Engineering of Letter Sealing", to appear in ACM ASIACCS’26. Joint work with Thomas Kingo Mogensen and Adam B. Hansen @csaudk.bsky.social. Full technical details at linebreak.info

We analyze its underlying end-to-end encryption (E2EE) protocol Letter Sealing v2 (LSv2) and show that a TLS Man-in-the-Middle (MitM) or malicious server can compromise integrity, authenticity, and confidentiality in various experimentally verified attacks.

linebreak.info

Come be part of Cedarcrypt, our historic new initiative to grow cryptography research, development and representation in the Levant region! We're seeking speakers and workshop leaders: our call for submissions is open! Learn more: cedarcrypt.org Please spread the word!

Cedarcrypt 2026 - Applied Cryptography Summer School & Conference

Join us for four days of applied cryptography in the Mediterranean. July 13-16, 2026 at AUB Mediterraneo Campus, Paphos, Cyprus.

cedarcrypt.org