Cryogenic

Cryogenic is a Linux kernel module that allows to reduce energy consumption by means of enabling cooperative clustering of I/O operations among the various applications that make use of the same hardware device. In order to achieve this target, Cryogenic provides an API that enables applications to schedule I/O operations on SCSI and network devices at times where the impact the operations have on energy consumption is small.

Video: Bart Polot on GNUnet CADET and GNUnet Conversation at YBTI/30c3

Here is the video of Bart Polot's talk at YouBrokeTheInternet/30c3 on "GNUnet Conversation". Note that somehow the title got botched to "GNU Telephony", which is simply incorrect as GNU Telephony is GNU's SIP replacement, and that is definitively not what the talk is about. This talk is about GNUnet's CADET routing and the GNUnet Conversation (voice-over-GNUnet) application that we are building with it.

The Internet is Broken: Idealistic Ideas for Building a GNU Network

Grothoff C, Polot B, von Loesch C. The Internet is Broken: Idealistic Ideas for Building a GNU Network. In: W3C/IAB Workshop on Strengthening the Internet Against Pervasive Monitoring (STRINT). W3C/IAB Workshop on Strengthening the Internet Against Pervasive Monitoring (STRINT). London, UK: W3C/IAB; 2014.

Video: Data Protection Day: "After Snowden: using law and technology to counter snooping"

On the occasion of Data Protection Day, Pieter Omtzigt invited Jacob Appelbaum, Douwe Korff and Christian Grothoff to testify on "using law and technology to counter snooping" at the Counsil of Europe (CoE). Peter Omtzigt is rapporteur for a report on "Massive eavesdropping in Europe".

Video: 30c3 talk on "The GNU Name System"

Here is the video of my talk (with help from Florian Dold) at 30c3 on "The GNU Name System". Sadly, the "Secure Name Systems" panel at the same venue was not recorded.

Typo-Protected Public Keys

When users type in public keys (such as the 53-characters of a GNS zone), they might make typos. The usual way to fix typos is to add a checksum, further increasing the length of the sequence that has to be typed in.

Join GNS Key Exchange Party at 30C3 Hamburg

The GNU Name System (aka GNS) is a fully decentralized, censorship resistant naming system based on the idea of a pet name system not relying on centralized organizations. Every user manages his own namespace. To access names and records of other user's you have to exchange some specific information which can be done in a convinient way using a business card with a QR code containing your GNS information.

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