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NixOS + TPMs

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27 Jun 2023
@baloo_:matrix.orgbaloosome of the challenge with tpm2-tss is the pluggable backends15:48:09
@baloo_:matrix.orgbaloo you load tabrmd and that will load PREFIX/lib/libtss2-tcti-tabrmd.so.0 15:48:45
@baloo_:matrix.orgbaloobut there is a bunch of trickery everywhere because you could have external modules bringing their own backend15:49:08
@baloo_:matrix.orgbalooso you can't just hardwire prefix15:49:28
@baloo_:matrix.orgbaloothat was a long time ago, don't remember exactly15:49:45
@raitobezarius:matrix.orgraitobezariusmust have a good reason15:52:33
@baloo_:matrix.orgbalooyes, that's called feature creep15:52:59
@baloo_:matrix.orgbaloohttps://github.com/tpm2-software/tpm2-abrmd/blob/master/src/tcti-tabrmd.c 16:01:04
@baloo_:matrix.orgbaloothis is one of the pluggable tcti16:01:10
@baloo_:matrix.orgbalooto access the dbus resource manager just by swapping out the tcti backend16:01:37
@baloo_:matrix.orgbaloo could be worth rewriting that to use a module and link those backends in /run/ 16:13:08
@baloo_:matrix.orgbaloohttps://github.com/NixOS/nixpkgs/pull/24015616:25:50

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