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@xxxxxxxxxx> > 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