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Question About TPM Autodecrypt
(mander.xyz)
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this post was submitted on 27 Oct 2023
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...or extracting the decryption key from RAM.
Moral of the story:
Always shutdown the computer when you are not using it, kids.
I see your decryption key extraction and offer you a 5 dollar wrench.
The wrench also comes with DMA (direct mechanical assault), RDMA (remote direct mechanical assault via throwing), and DDIO (deals damage if opposing) capabilities. It's a real NSA bargain!
But if the key is fully wrench-safe inside the TPM. You do not know it, you can not get convinced to give it up -- even after repeated wrench use.
Of course the recovery key that typically goes with it and you logging password is not wrench safe, so that does not protect the system fully, while getting you a matching set of broken kneecaps.
Pretty sure the NSA doesn't want the recovery key, they want the information the recovery key is protecting.
It's ok that you don't know it, just log into your computer please and we'll take care of setting a new key. Or you can have a conversation with Mr Wrench again.