On Wed, Jan 13, 2021 at 04:47:00PM +0530, Sumit Garg wrote: > Hi Jarkko, > > On Mon, 11 Jan 2021 at 22:05, Jarkko Sakkinen <jarkko@xxxxxxxxxx> wrote: > > > > On Tue, Nov 03, 2020 at 09:31:44PM +0530, Sumit Garg wrote: > > > Add support for TEE based trusted keys where TEE provides the functionality > > > to seal and unseal trusted keys using hardware unique key. > > > > > > Refer to Documentation/tee.txt for detailed information about TEE. > > > > > > Signed-off-by: Sumit Garg <sumit.garg@xxxxxxxxxx> > > > > I haven't yet got QEMU environment working with aarch64, this produces > > just a blank screen: > > > > ./output/host/usr/bin/qemu-system-aarch64 -M virt -cpu cortex-a53 -smp 1 -kernel output/images/Image -initrd output/images/rootfs.cpio -serial stdio > > > > My BuildRoot fork for TPM and keyring testing is located over here: > > > > https://git.kernel.org/pub/scm/linux/kernel/git/jarkko/buildroot-tpmdd.git/ > > > > The "ARM version" is at this point in aarch64 branch. Over time I will > > define tpmdd-x86_64 and tpmdd-aarch64 boards and everything will be then > > in the master branch. > > > > To create identical images you just need to > > > > $ make tpmdd_defconfig && make > > > > Can you check if you see anything obviously wrong? I'm eager to test this > > patch set, and in bigger picture I really need to have ready to run > > aarch64 environment available. > > I would rather suggest you to follow steps listed here [1] as to test > this feature on Qemu aarch64 we need to build firmwares such as TF-A, > OP-TEE, UEFI etc. which are all integrated into OP-TEE Qemu build > system [2]. And then it would be easier to migrate them to your > buildroot environment as well. > > [1] https://lists.trustedfirmware.org/pipermail/op-tee/2020-May/000027.html > [2] https://optee.readthedocs.io/en/latest/building/devices/qemu.html#qemu-v8 > > -Sumit Can you provide 'keyctl_change'? Otherwise, the steps are easy to follow. After I've successfully tested 2/4, I'd suggest that you roll out one more version and CC the documentation patch to Elaine and Mini, and clearly remark in the commit message that TEE is a standard, with a link to the specification. /Jarkko
