!agkXCfUrgbadYlQXRj:kack.it

NixOS + TPMs

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12 Jan 2025
@elikoga:matrix.orgelikogaIn combination with dmcrypt it is in my opinion more secure since you don't need to input an encryption key by hand16:35:17
@elikoga:matrix.orgelikoga Or luks/dmcrypt not sure what the delineation is exactly 16:35:33
@elikoga:matrix.orgelikoga
In reply to @nakibrayane:matrix.org
So they can't just put the hard disk in another PC, My hard disk will only unlock in my laptop. And then the security of my data is protected with userspace programs (e.g. GDM, tty login), Is this correct?
I think that's correct
16:35:47
@nakibrayane:matrix.orgRayane Nakib (ريّان نقيب)But if there is a bug with GDM, they would get access to my computer, I think that dm-crypt have is more secure. 16:37:55
@nakibrayane:matrix.orgRayane Nakib (ريّان نقيب)But the convenience of having one password is also nice.16:38:20
@nakibrayane:matrix.orgRayane Nakib (ريّان نقيب)* But if there is a bug with GDM, they would get access to my computer, I think that dm-crypt is more secure. 16:38:42
@nakibrayane:matrix.orgRayane Nakib (ريّان نقيب)Can I use the TPM to generate random numbers in /dev/random, instead of using software solutions to do that?16:42:17
@nakibrayane:matrix.orgRayane Nakib (ريّان نقيب)* Can I use the TPM to generate random numbers for /dev/random, instead of using software solutions to do that?16:43:03
@elikoga:matrix.orgelikogaUnless you disable it in the kernel, this is already the case: https://github.com/torvalds/linux/blob/b62cef9a5c673f1b8083159f5dc03c1c5daced2f/drivers/char/tpm/Kconfig#L44-L5316:59:23
@nakibrayane:matrix.orgRayane Nakib (ريّان نقيب)I will see if I stick with my setup or switch to using TPM, Thank you for your help :017:01:05
@nakibrayane:matrix.orgRayane Nakib (ريّان نقيب)* I will see if I stick with my setup or switch to using TPM, Thank you for your help :)17:01:08
@nakibrayane:matrix.orgRayane Nakib (ريّان نقيب)* I will see if I stick with my setup or switch to using TPM to decrypt encryption, Thank you for your help :)17:04:15
17 Jan 2025
@hexa:lossy.networkhexahttps://oddlama.org/blog/bypassing-disk-encryption-with-tpm2-unlock/15:44:06
19 Jan 2025
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