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Verify the VBS enclave key binding on the async attestation path - #4798
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cheenamalhotra merged 1 commit intoNov 3, 2026
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priyankatiwari08
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Oct 22, 2026
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Looks good - no concerns.
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The async enclave path from #4541 has not shipped yet, so without this PR |
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paulmedynski
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cheenamalhotra
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cheenamalhotra
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November 3, 2026 18:07
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CreateEnclaveSessionCoreAsyncderives the session secret without callingVerifyEnclavePublicKeyBinding. The check was added to the sync path in #4532, and the async path added in #4541 doesn't call it. Nothing calls the async path yet, so no release is affected. @cheenamalhotra for context, as this is your async enclave work.The check now runs inside
GetSharedSecret, so neither path can derive a secret from a key the signed report doesn't commit to.Testing
GetSharedSecret_UnboundKey_Throws: rejects an unbound key before using the Diffie-Hellman inputs. Fails without the fix.