Uuid fixes #1227
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Uuid fixes #1227
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This was referenced Dec 8, 2016
jforissier
approved these changes
Dec 8, 2016
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Can you please rebase? (I've just merged another PR). |
Reviewed-by: Jerome Forissier <jerome.forissier@linaro.org> Signed-off-by: Jens Wiklander <jens.wiklander@linaro.org>
When encoding a UUID as a sequence of bytes, the spec (https://www.ietf.org/rfc/rfc4122.txt) says that the u32, and two u16s should be represented big endian. Before this patch OPTEE always treated them natively. With this patch UUIDs are always converted to/from big endian when communicating with normal world. Reviewed-by: Jerome Forissier <jerome.forissier@linaro.org> Fixes: OP-TEE#858 Signed-off-by: Jens Wiklander <jens.wiklander@linaro.org>
Prior to this patch although GlobalPlatform specifies that TAs and such are identified with UUIDs, we don't format them quite right when turning them into strings. Per https://www.ietf.org/rfc/rfc4122.txt, there should be another hyphen after the first two bytes of clockSeqAndNode. Unfortunately, fixing this breaks compatibility between how TAs are built, and when the OS loads them. With this patch UUID string are formated with the additional hyphen as for instance: f81d4fae-7dec-11d0-a765-00a0c91e6bf6 Reviewed-by: Jerome Forissier <jerome.forissier@linaro.org> Fixes: OP-TEE#857 Tested-by: Jens Wiklander <jens.wiklander@linaro.org> (QEMU) Signed-off-by: Jens Wiklander <jens.wiklander@linaro.org>
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Fixes #857 and #858
Depends on OP-TEE/optee_client#71 and OP-TEE/optee_test#150