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OP-TEE TA unique key derivation#780

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sangho2 wants to merge 10 commits intosanghle/prkfrom
sanghle/optee/takey
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OP-TEE TA unique key derivation#780
sangho2 wants to merge 10 commits intosanghle/prkfrom
sanghle/optee/takey

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@sangho2 sangho2 commented Apr 15, 2026

This PR implements OP-TEE's PTA_SYSTEM_DERIVE_TA_UNIQUE_KEY (https://github.com/OP-TEE/optee_os/blob/06c4e95e469c9c89e9ba4a6915d1be7bb8ea6fbc/core/pta/system.c#L62) for the OP-TEE shim.

@sangho2 sangho2 added the must-not-merge:blocked-on-other-changes Other changes/PRs to be handled first. Label not needed for non-main changes. label Apr 16, 2026
@sangho2 sangho2 changed the base branch from sanghle/prk to main April 17, 2026 02:07
@sangho2 sangho2 changed the base branch from main to sanghle/prk April 17, 2026 02:08
@sangho2 sangho2 force-pushed the sanghle/optee/takey branch from 00958ed to 0848e41 Compare April 17, 2026 02:58
@sangho2 sangho2 changed the title DRAFT: derive TA unique key OP-TEE TA unique key derivation Apr 17, 2026
@sangho2 sangho2 removed the must-not-merge:blocked-on-other-changes Other changes/PRs to be handled first. Label not needed for non-main changes. label Apr 17, 2026
@sangho2 sangho2 marked this pull request as ready for review April 17, 2026 03:19
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ℹ️ Note: This semver check was run against the sanghle/prk branch, not main.

🤖 SemverChecks 🤖 No breaking API changes detected

Note: this does not mean API is unchanged, or even that there are no breaking changes; simply, none of the detections triggered.

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