Messages in this thread |  | | Subject | Re: [PATCH 00/22] KEYS: Support TPM-wrapped key and crypto ops | From | James Bottomley <> | Date | Tue, 18 Sep 2018 07:30:12 -0400 |
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On Tue, 2018-09-18 at 08:00 +0100, David Woodhouse wrote: > > On Sat, 2018-09-08 at 16:26 +0100, David Howells wrote: > > Marcel Holtmann <marcel@holtmann.org> wrote: > > > > > > > > so I have reviewed and tested this code. In addition, we have > > > test cases for it in ELL (embedded linux library). > > > > I wonder if there's any practical way to add a test for this to the > > keyutils test suite. I'm guessing it's quite tricky, given the > > extra bits you need to emulate the TPM. > > Right, for a lot of userspace stuff we have the TPM emulator but for > the kernel you might need to run in qemu, which I believe can emulate > a TPM now (or at least, can talk to the TPM emulator, which has the > same effect).
Actually, you don't necessarily. I use this patch:
https://marc.info/?l=tpmdd-devel&m=148392353230117
Which allows me to make a TCP connection to the software TPM running in userspace without having to have the TPM components in qemu (or even to run virtual). I used it to debug all the in-kernel resource manager patches. It's TPM 2.0, but could easily be modified to work with 1.2
James
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