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Subject: Re: [Tee-dev] [RFC v2 0/6] Introduce TEE based Trusted Keys support
From:   Rouven Czerwinski <r.czerwinski@pengutronix.de>
To:     Janne Karhunen <janne.karhunen@gmail.com>,
        Sumit Garg <sumit.garg@linaro.org>
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Date:   Thu, 01 Aug 2019 08:50:22 +0200
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On Thu, 2019-08-01 at 09:36 +0300, Janne Karhunen wrote:
> On Wed, Jul 31, 2019 at 5:23 PM Sumit Garg <sumit.garg@linaro.org>
> wrote:
> 
> > > I guess my wording was wrong, tried to say that physical TEEs in
> > > the
> > > wild vary massively hardware wise. Generalizing these things is
> > > rough.
> > > 
> > 
> > There are already well defined GlobalPlatform Standards to
> > generalize
> > the TEE interface. One of them is GlobalPlatform TEE Client API [1]
> > which provides the basis for this TEE interface.
> 
> I'm aware of it - I have implemented a large part of the GP TEE APIs
> earlier (primarily the crypto functions). Does the TEE you work with
> actually support GP properly? Can I take a look at the code?

AFAIK Sumit is working with the OP-TEE implementation, which can be
found on github: https://github.com/op-tee/optee_os

Regards,
Rouven