Tobias Pulls

58 Followers
136 Following
19 Posts
Traffic analysis, anonymity, Rust, Tor, WireGuard, eBPF, DNS. Researcher at Karlstad University, Sweden. Core Member Tor Project. https://pulls.name

I've been working (together with Javier Gomez-Serrano) with a group at Google Deepmind to explore potential mathematical applications of their tool "AlphaEvolve", a successor of their earlier tool "Funsearch" that was publicly announced today: https://deepmind.google/discover/blog/alphaevolve-a-gemini-powered-coding-agent-for-designing-advanced-algorithms/ . Very roughly speaking, this is a tool that can attempt to extremize functions F(x) with x ranging over a high dimensional parameter space Omega, that can outperform more traditional optimization algorithms when the parameter space is very high dimensional and the function F (and its extremizers) have non-obvious structural features.

Some of the preliminary problems we have tried this on, including problems involving harmonic analysis inequalities, additive combinatorics, and packing, were already mentioned in the announcement; we are now gradually moving on to more challenging problems where the parameter space has a sparser set of good solutions. The work is still ongoing, but I hope to be able to report more upon it when we are closer to completion (probably a few months from now).

AlphaEvolve: A Gemini-powered coding agent for designing advanced algorithms

New AI agent evolves algorithms for math and practical applications in computing by combining the creativity of large language models with automated evaluators

Google DeepMind
DAITA version 2 now available on all platforms: https://mullvad.net/blog/daita-version-2-now-available-on-all-platforms
DAITA version 2 now available on all platforms | Mullvad VPN

We are now releasing version 2 of our Defense Against AI-guided Traffic Analysis (DAITA).

Mullvad VPN

Posted some technical details on DAITA v1 and v2 defenses together with @mullvadnet to celebrate the deployment of v2 🚀

https://pulls.name/blog/2025-03-27-daita-v1-and-v2-defenses/

DAITA v1 and v2 defenses

A short whoami of Tobias Pulls

I really like the message here and I wanted to share:
https://theoatmeal.com/comics/believe_clean
You're not going to believe what I'm about to tell you (classroom-friendly version) - The Oatmeal

This is a classroom-friendly (no cuss words) comic about the backfire effect.

The Oatmeal

PETS/PoPETs is run by volunteers and we're looking for more people to participate. Please fill out this form if you'd like to help out!

https://forms.gle/wAadQRZWXLyDAQJA8

Be a Part of PETS!

PETS is looking for volunteers who are interested in contributing to the organization and running of the PETS 2025 conference! If you think you might be interested in getting involved, please fill out the form below to share with us a little bit about yourself, your interests, and how you might like to contribute. Note that you do not need to be a published author at PETS or previous attendee, but sharing some information about your PETS participation/attendance can help us think about how to (possibly) pair you with others if a position is available. Note: If you are interested in nominating yourself or someone else for the PETS editorial board, PC, or artifact review process, please use the form located here: https://forms.gle/wtD3jR5YR71eWPd28. Please complete the form below even if you have served in one of the roles before (including at PETS 2024); this lets us know if you are interested in continuing. Submitting is neither a commitment to nor a guarantee of serving in a particular role. We hope to begin reaching out to folks by the end of September 2024, when we will give you an idea of what's involved in a particular role and the opportunity to discuss/accept/decline and/or remain on the list for other openings. We strongly encourage members of the PETS community at all levels to consider raising their hands for these roles, which provide a valuable opportunity to contribute to and help shape PETS for the future.

Google Docs

In an unexpected turn of events, a sensible take on #Crowdstrike from the Orange Site.

Source: https://news.ycombinator.com/item?id=41004184

So CrowdStrike is deployed as third party software into the critical path of mis... | Hacker News

This is a poster about how the Tor network works. It was made in 2018 and last renewed in 2021. You can download the poster at https://catnip.article19.org

#illustration #illustrationartists #femaleillustrator #ulrikeuhlig #tornetwork #tor #sachillustration #explainingtheinternet #zeichnung #inkdrawing #poster #printityourself #dessin
How the internet really works - An illustrated guide to protocols, privacy, censorship, and governance

A comic book-like guide to how the internet works, designed to give people a basic understanding of the technical aspects of the Internet that they need to advocate for digital rights. Available in English, German, Polish, and French, the book is part of Github's Arctic Code Vault.

How the internet really works
Evaluating using the first eight DAITA servers

A short whoami of Tobias Pulls

I evaluated using the first eight production servers from @mullvadnet running the new DAITA feature as a Windows user. The results are below. TL;DR: DAITA makes it harder to fingerprint web traffic but costs a couple of extra MiB of bandwidth and seconds of delay per website visit.