Thoughts dereferenced from the scratchpad noise.

Latest posts


Qubes OS and 3mdeb 'minisummit' 2019

Published at August 7, 2019 · Piotr Król ·  8 min read

In May we had pleasure to meet Marek Marczykowski-Górecki #QubesOS Project Lead in 3mdeb office in Gdańsk. We discussed various #QubesOS, #Xen, #firmware, #coreboot, #security and #TPM related topics. Results of that "minisummit" was presented in following blog post....

Categories: firmware os-dev security

Meltdown and Spectre on PC Engines apu2

Published at May 29, 2019 · Michał Żygowski ·  9 min read

As a continuation the Meltdown and Spectre blog post, this post present the vulnerability status and mitigation with microcode update on PC Engines apu2. Read the post and get to know the open source tools for vulnerability and mitigation checks, as well as exploiting proof of concepts....

Categories: firmware security

Reproducible builds

Published at May 22, 2019 · Krystian Hebel ·  3 min read

Recently we made sure that every build of PC Engines' firmware is built in a reproducible manner. This short post shows what exactly does it mean and why this should be important to firmware developers....

Categories: firmware

Building and running Bareflank

Published at May 15, 2019 · Krystian Hebel ·  13 min read

In this second post of a series, we will build and start our first hypervisor. It won't do much just yet, but it is good to get known with its build system....

Categories: firmware