Tomasz Żyjewski

An Embedded Systems Engineer with a primary focus on the Yocto Project and systems update integration, specializing in the optimization and configuration of components within embedded devices, including bootloaders, kernels, and user applications. Mainly interested in enhancing the security and trustworthiness of everyday devices. Committed to continuously expanding the knowledge in the field of embedded systems. Regularly participant of conferences, delivered couple speeches at events such as FOSDEM and the Yocto Summit.


Articles (3)


Minimal OS for Fobnail

Published at June 23, 2022 ·  7 min read

The Fobnail Token is an open-source hardware USB device that helps to determine the integrity of the system. The purpose of this blog post is to present the development progress of this project. During this phase, we focused on researching OS for hosting Fobnail Attester...

Categories: security

Fobnail Token - developing communication method that meets the CHARRA requirements

Published at December 15, 2021 ·  4 min read

The Fobnail Token is an open-source hardware USB device that helps to determine the integrity of the system. The purpose of this blog post is to present the development progress of this project. During the last phase, we managed to implement the communication method that will be used between verifier and attester....

Categories: firmware security

Hummingboard Pulse - first impression

Published at June 12, 2019 ·  5 min read

In this post, we will take a look at one of the SolidRun product - the HummingBoard Pulse. After power up the board we will try to boot operating system on it....

Categories: firmware