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gnurl 7.52.1 released

Today the microfork of curl, gnurl, has been released in version 7.52.1 following the release of curl. This fixes CVE-2016-9594 present only in the previous version of cURL (and therefore gnurl).

gnurl 7.52.0 released

Today the microfork of curl, gnurl, has been released in version 7.52.0 following the release of curl.

GNUnet e.V. meeting @ 33C3

We are happy to announce our annual GNUnet e.V. meeting at 33C3. All members of GNUnet e.V. are cordially invited.

The meeting starts at 2016/12/28 12:30 at Hall A.1.

More information is available on:
Information about the venue can be found on:

Reverse lookups in GNS

DNS allows to resolve the name of an IP address. This is sometimes called "reverse lookup". In fact, it is actually "normal" resolution of a PTR record. The name of such a record would be, for example, The .arpa TLD is managed by IANA.

This blogpost is meant to spread ideas that have been exchanged via private email and might be interesting for a broader audience. If you feel like you have useful comments, don't hesitate to do so.

GNUnet for Gentoo

In summer 2015 I started to package GNUnet for Gentoo as contributor to the youbroketheinternet-overlay.

This short post is to announce that, among other packages, you can now build and install GNUnet (and gnunet-gtk, gnurl) on Gentoo as easy as:

libbrandt GSoC final evaluation

The Google Summer of Code is about to end and it's time for an update on the libbrandt development.

The code can be cloned from this repository:
git clone git://

Rust implementation of GNUnet with GSoC - Final-term

This is the final week of the gnunet-rs project with Google Summer of Code. It has been challenging but also exceptionally rewarding. I hope to explain the final product and then touch on the future work. The repository can be found here, and my previous blog post here.

libbrandt GSoC midterm status update


the GSoC midterm evaluation finished this week and it's time for a status update on the libbrandt auctioning library project.

In the past few weeks we decided to switch from RSA like crypto to Ed25519 due to performance reasons and it's generally more modern approach. Therefore we don't use libpari anymore, but libgcrypt instead. Ed25519 also has no need to validate each input value from other protocol participants.

Rust implementation of GNUnet with GSoC - Mid-term progress

The GSoC mid-term evaluation is happening now, so this is a good time to write up the work I've done so far. My contributions are threefold. The files mentioned below can be found in the async branch (

Rust implementation of GNUnet with GSoC


I will be participating in Google Summer of Code this year with GNUnet. The project is on improving the Rust implementation of GNUnet utils. The primary objective is to add asynchronous IO in a way that is general, extensible and resemble the original GNUnet API. More details can be found here -

Jeff Burdges is my mentor and I will be working closely with him on this project.


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