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subway | 6 years ago

Awesome post, but a very minor nitpick:

> Chromebooks use both, coreboot on x86, and u-boot for the rest.

This isn't entirely true. Coreboot is used on a number of ARM Chromebooks, including rk3288 and rk3399 based devices. It seems like u-boot is used less and less in the space. Libreboot has builds for a few devices that kill the annoying "untrusted os" message, and even allow you to set your own trust root.

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sneak|6 years ago

Is there a way to flash Pixelbooks?

Being able to reflash a current nvme Pixelbook with my own trust root and build and sign my own OS images would be super excellent.

The platform security of the Pixelbook is lovely; the only way it could be better is if I were able to control it.

subway|6 years ago

I'm not sure -- I haven't messed with a Pixelbook. On Chromebooks, the trust root lives in the bootloader's flash with no security beyond the write protect screw.

A quick googling led to a reddit post that indicates it's possible with the Pixelbook, but likely a PITA:

https://www.reddit.com/r/PixelBook/comments/7kv944/does_anyo...