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Does dirlock use the user PIN as part of the key derivation?

Does dirlock use the user PIN as part of the key derivation?

Posted Sep 30, 2025 3:08 UTC (Tue) by DemiMarie (subscriber, #164188)
Parent article: Managing encrypted filesystems with dirlock

Or does it rely entirely on the TPM? The latter is a mistake due to vulnerabilities like faulTPM.

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Does dirlock use the user PIN as part of the key derivation?

Posted Sep 30, 2025 21:23 UTC (Tue) by berto (subscriber, #58604) [Link]

Hi, dirlock doesn't currently use the PIN as part of the key derivation (when using the TPM), but that's a very easy thing to change. I'll evaluate that, thanks!


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