Re: Fedora TPM1.2 Support

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On Fri, Dec 4, 2020 at 2:04 PM Simo Sorce <simo@xxxxxxxxxx> wrote:
>
> On Thu, 2020-12-03 at 21:25 +0000, Peter Robinson wrote:
> > > We are looking to no longer support TPM1.2 in RHEL9. Than raised the
> > > question with regards to opencryptoki-tpmtok if it should be changed in
> > > Fedora as well, so I thought I'd see what everyone thinks about future
> > > TPM1.2 support in Fedora. I know at one point in the last year or so
> > > trousers almost dropped from Fedora due to being orphaned for quite a
> > > while. From what I could find the following packages have dependencies:
> > >
> > > ecryptfs-utils  - --disable-tspi
> > > openconnect - looks like it will only build support if trousers-devel is
> > >               there, and makes use of tpm2-tss as well.
> > > strongswan  - --enable-tss-tss2 instead of --enable-tss-trousers?
> > > tboot       - the trousers dependency was just in a policy tool that has now
> > >               been deprecated upstream.
> > > opencryptoki-tpmtok - --disable-tpmtok
> > >
> > > tpm-quote-tools, tpm-tools, and trousers are all tpm1.2 specific
> > > packages.
> > >
> > > Another thing is that in the kernel there currently is no way to build
> > > with just tpm1.2 or tpm2.0 support so the kernel support for tpm1.2
> > > would still be there.
> > >
> > > I don't think Fedora needs to drop the tpm1.2 support if people want to
> > > continue supporting it, but wanted to put the question out there and see
> > > how everyone felt.
> >
> > I think it should be dropped, tpm2 has been shipped in hardware for 5+
> > years and tpm1 has security issues, so I think the time is now to drop
> > it. Please do a Fedora Change proposal to ensure it's communicated
> > properly.
>
> Won't that hurt people that have keys trapped in a TPM 1.2 device ?

Won't it hurt RHEL users in similar ways? What is the likelihood of
those users actively upgrading anyway?
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