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Add KeyStack PTA - #1104
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Sangho Lee (sangho2)
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Jul 29, 2026
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Replace #831 with this PR to maintain the compatibility with the mainline OP-TEE OS. |
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| // TODO: Replace this placeholder with the UUID agreed upon with the | ||
| // consuming TA before this PTA is treated as a stable interface. | ||
| pub(crate) const UUID: TeeUuid = TeeUuid { | ||
| time_low: 0x978a_f7a7, | ||
| time_mid: 0x074f, | ||
| time_hi_and_version: 0x4f59, | ||
| clock_seq_and_node: [0xb3, 0xae, 0x33, 0xa5, 0x93, 0xc1, 0xd4, 0x88], | ||
| }; |
Sangho Lee (sangho2)
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a3a7ee0Compare🤖 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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This PR introduces a KeyStack PTA which derives a stack of keys based on a requesting TA's UUID, Secure Version Number (SVN), and extra data, enabling anti-rollback key derivation.