Re: Question about FAQ 5.21: "Why is there no "Nuke-Option"?"
Arno Wagner <[email protected]> Fri, 7 Nov 2025 20:36:54 +0100
| Newsgroups | dev.linux.lists.cryptsetup |
|---|---|
| Message-ID | <[email protected]> |
On Thu, Nov 06, 2025 at 15:38:06 CET, techmetx11 wrote: > After seeing GrapheneOS's implementation of the same design idea, I feel > like this idea wasn't given much thought in the FAQ. You feel incorrectly. This has been extensively discussed. > This paragraph ignores the fact that the TPMs that come with computers > have improved on-par to the standard of HSMs, and are now integrated > straight in the CPU in most cases, rather than being a seperate chip or > card that can be simply bus-probed or manipulated physically. They really have not. Not even remotely. > > Still, if you have a good use-case (i.e. non-abstract real-world > > situation) where a Nuke-Option would actually be beneficial, please let > > me know. > > Imagine if you were being tortured by people to unlock a hard drive that > you didn't want them to see the contents of, and so you give them the > password to hopefully make it so that it wipes the TPM/HSM/etc. of the > computer and destroy any chance of unlocking the contents, thus making > their job futile and saving information from ending up on your > adversaries' hands (even if it meant it cost you your life) This senario has been discussed here many times. It is not a valid reason to have a nuke option. Also note the cryptsetup has no TPM integration as part of the project. Regards, Arno Wagner -- Arno Wagner, Dr. sc. techn., Dipl. Inform., Email: [email protected] GnuPG: ID: CB5D9718 FP: 12D6 C03B 1B30 33BB 13CF B774 E35C 5FA1 CB5D 9718 ---- A good decision is based on knowledge and not on numbers. -- Plato If it's in the news, don't worry about it. The very definition of "news" is "something that hardly ever happens." -- Bruce Schneier