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this post was submitted on 25 Dec 2023
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Linux is a family of open source Unix-like operating systems based on the Linux kernel, an operating system kernel first released on September 17, 1991 by Linus Torvalds. Linux is typically packaged in a Linux distribution (or distro for short).
Distributions include the Linux kernel and supporting system software and libraries, many of which are provided by the GNU Project. Many Linux distributions use the word "Linux" in their name, but the Free Software Foundation uses the name GNU/Linux to emphasize the importance of GNU software, causing some controversy.
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Can you explain a bit on how the key erasure works? AFAIK TPM only refuse to release the key when certain PCR dont match, is there a setting to let it erase key?
https://fedoramagazine.org/automatically-decrypt-your-disk-using-tpm2/
I've read this article to make my setup, but its very informative about the function of TPM too
I have read that article, it doesn't seem to mention that TPM will erase key if a different OS is loaded, maybe I missed something?
It talsk about pcr, every time another OS is booted some pcsrs are changed, and if the keys are installed on the correct ones, this will lead to it being erased