OP-TEE TA unique key derivation#780

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sangho2 wants to merge 10 commits intosanghle/prkfrom

sanghle/optee/takey

Commits on Apr 17, 2026

add support for platform root key
Sangho Lee
committed
set_platform_root_key for LVBS
Sangho Lee
committed
drop PlatformRootKeyProvider
Sangho Lee
committed
ratchet and minor fix
Sangho Lee
committed
make root key universal
Sangho Lee
committed
add support for platform root key
Sangho Lee
committed
derive TA unique key
Sangho Lee
committed
revised OP-TEE KDF logic
Sangho Lee
committed
DerivedKeyProvider for LVBS platform
Sangho Lee
committed
fix enum and add further zeroize
Sangho Lee
committed