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Do you use TPM ?
(lemmy.ml)
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this post was submitted on 29 Oct 2024
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Privacy
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Extracting the key from a TPM is actually trivial but immense time consuming.
Basically this with probably more modern chips and therefore even smaller cells. https://youtu.be/lhbSD1Jba0Q
Also sniffing is a thing since the communication between CPU und TPM is not encrypted.
Yes, I should not have said "impossible": nothing is ever impossible to breach. All you can donis to make a breach more expensive to accomplish.
Those separate tpm chips are getting rare... most of the time they are build into the CPU (or firmware) nowadays. That makes sniffing harder, but probably opens other attack vectors.
Anyway: Using a TPM chip makes it more expensive to extract your keys than not using such a chip. So yoj win by using one.