dynamic feistel network generation

In cipher design, it is quite usual to use a static implementation of a cipher. The Feistel Network design however, it is not limited to static function set. This was something that I wondered for a couple of years on how to make it happen, coming up with a simple C++ PoC implementation which naively […]

Cipher suite keyed virtual hosts in nginx

TLDR: If you generate something like this, then existing TLS configuration can be used with existing keys. If you want to be adventurous, one can modify eg. AES S-Box in the server and client openssl implementation. Other ciphers should also work just fine, modified or not. Please note that the TLS handshake is still unencrypted […]

Isentropic condition on Proof-of-Work

Some thoughts on Proof-of-Work and entropy of information systems.

FOSDEM presentation video + slides

Finally FOSDEM organizers got to the videos of embedded devroom and at least my video got published ok. Pardon for my voice level, it was probably due to the microphone being too close my neck. Anyways here is the video + slides link below: https://video.fosdem.org/2016/ud2120/nemotablet-a-foss-diy-tablet-using-raspberry-pi-2.mp4 Click to access Slides.pdf

NemoTablet will be present in FOSDEM 2016

So, earlier this year I applied to FOSDEM 2016 Embedded devroom with presentation concerning building a tablet using Nemo Mobile. Now the presentation has been accepted and you shall see me on 30th January 2016 at FOSDEM embedded devroom, 13:00 Belgium time 🙂 See you all there! https://fosdem.org/2016/schedule/event/diy_pi2_tablet/

See AsteroidOS, a FOSS smartwatch operating system, by Florent Reve…

See AsteroidOS, a FOSS smartwatch operating system, by Florent Revest at http://asteroidos.org/

Thoughts on freedom of Ethereum

After having seen the first seeds sowed to the idea of distributed platforms as the next viable step of the free Internet, my observations have been fixated on the speed of development in which everything happens. IPFS and Ethereum are at my radar thus far. Much more to come, I’m sure of that. Both projects […]

Nemo Mobile distribution installation on a Jolla device

PLEASE NOTE, THE INSTRUCTIONS ARE FOR SEASONED USERS ONLY, DO NOT TRY THE INSTALLATION IF YOU DO NOT KNOW WHAT YOU ARE DOING! OFFICIAL STATEMENT FROM JOLLA CARE SAYS:“Our warranty does not cover issues arising from using unauthorized software on the device. If installing the alternative OS causes problems with the hardware, these are not covered […]

Glacier UI homescreen on Jolla

PLEASE NOTE!Tampering with custom repositories on Jolla might leave you with a bricked device, please take care to follow instructions and do this only if you really know what you are doing! This requires developer mode to be enabled on your device.THERE WILL BE BUGS! YOU HAVE BEEN WARNED!PLEASE NOTE!First, download a couple of RPM […]

Installing SDK version of Sailfish UI on N9

CAUTION: Might break your stuff, back up your nemo installation beforehand if you want to be cautious. You have been warned! !! KNOWN ISSUE !!Zypper does not always cache the packages, remove lipstick-jolla-home-qt5 with –clean-deps and try again.Please note, an official guide is coming up from Jolla, which demonstrates this entire process into making an image. […]