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Check GitHub profileFobnail Token - Fobnail provisioning
Published at May 25, 2022 · 9 min read
This phase is about provisioning Fobnail Token itself. The closing point of that process is creating a certificate for Token that can be used later after attestation succeeds...
Categories: security
Talos II - second CPU support and test automation
Published at April 15, 2022 · 5 min read
Another post about our adventures with porting coreboot for Talos II. This phase focused on enabling second CPU and its internal devices. We also expanded our test suite....
Categories: firmware
Fobnail Token - platform attestation
Published at April 6, 2022 · 6 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. This phase was focused on attestation....
Fobnail Token - platform provisioning
Published at March 21, 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. This phase was focused on platform provisioning....
Current status of coreboot and Heads ports for Talos II
Published at February 16, 2022 · 8 min read
This post summarizes our current progress on making first coreboot port for POWER platform, including Heads as a payload. It will also show how You can test it without having to flash firmware to PNOR....
Categories: firmware
coreboot port for OpenPOWER - why bother?
Published at December 31, 2020 · 9 min read
You may have heard by now that we are working on coreboot port for Talos II. OpenPOWER already has, nomen omen, open source firmware, so one may ask why bother? We will try to answer that question....
Categories: firmware
TrenchBoot: Open Source DRTM. Multiboot2 support.
Published at September 7, 2020 · 11 min read
This month we will show that not only Linux kernel can be started by TrenchBoot. We also did some drastic changes to the bootloader data format, so if you try to redo some older posts in the future and they do not seem to work, this is probably the place to look for hints....
TrenchBoot: Open Source DRTM. TPM event log all the way.
Published at August 13, 2020 · 12 min read
We extended the TPM event log support to the Linux kernel. It is now possible to print all of the PCR extend operations performed and compare the hashes with files to see if anything is wrong....
DEV and IOMMU: a story of two DMA protection mechanisms
Published at July 3, 2020 · 12 min read
Both DEV and IOMMU can help with protection against malicious DMA. This post roughly describes the difference between those two, as well as the impact they have on each other in the context of TrenchBoot...
Starting TrenchBoot's Landing Zone from iPXE
Published at June 1, 2020 · 10 min read
In this article we present support for starting Landing Zone from another bootloader: iPXE. It may not be as featureful as GRUB2, but it has enough juice to start DRTM using images obtained from a remote server...