tee: add support for session's client UUID generation #5
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TEE Client API defines that from user space only information needed for specified login operations is group identifier for group based logins. REE kernel is expected to formulate trustworthy client UUID and pass that to TEE environment. REE kernel is required to verify that provided group identifier for group based logins matches calling processes group memberships. TEE specification only defines that the information passed from REE environment to TEE environment is encoded into on UUID. In order to guarantee trustworthiness of client UUID user space is not allowed to freely pass client UUID. UUIDv5 form is used encode variable amount of information needed for different login types. Signed-off-by: Vesa Jääskeläinen <[email protected]> [jf: cherry-picked and applied to branch poplar-4.9] Signed-off-by: Jerome Forissier <[email protected]>
Adds support for client UUID generation for OP-TEE. For group based session logins membership is verified. Signed-off-by: Vesa Jääskeläinen <[email protected]>
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Hi @jforissier , I think we can switch to our If you don't have any objections, I'll create PRs then. |
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Hello @igoropaniuk, That would be great indeed. Thanks for taking care of this. |
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Cherry-picking commits from https://github.com/linaro-swg/linux/commits/optee related to linaro-swg/linux#74.
@igoropaniuk could you please test this?