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Merge "KeyMint HAL: clarify ATTEST_KEY is like SIGN"

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David Drysdale
2022-03-22 09:26:41 +00:00
committed by Gerrit Code Review
parent 1b51643add bcb2f73475
commit afa73442b7
1 changed files with 8 additions and 7 deletions
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15
security/keymint/aidl/android/hardware/security/keymint/KeyCreationResult.aidl
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@@ -78,15 +78,16 @@ parcelable KeyCreationResult {
* provided, otherwise ATTESTATION_APPLICATION_ID_MISSING will be returned.
*
* 3. Asymmetric key non-attestation with signing key. If Tag::ATTESTATION_CHALLENGE is not
* provided and the generated/imported key has KeyPurpose::SIGN, then the returned
* certificate chain must contain only a single self-signed certificate with no attestation
* extension. Tag::ATTESTATION_APPLICATION_ID will be ignored if provided.
* provided and the generated/imported key has KeyPurpose::SIGN or KeyPurpose::ATTEST_KEY,
* then the returned certificate chain must contain only a single self-signed certificate
* with no attestation extension. Tag::ATTESTATION_APPLICATION_ID will be ignored if
* provided.
*
* 4. Asymmetric key non-attestation with non-signing key. If TAG::ATTESTATION_CHALLENGE is
* not provided and the generated/imported key does not have KeyPurpose::SIGN, then the
* returned certificate chain must contain only a single certificate with an empty signature
* and no attestation extension. Tag::ATTESTATION_APPLICATION_ID will be ignored if
* provided.
* not provided and the generated/imported key does not have KeyPurpose::SIGN nor
* KeyPurpose::ATTEST_KEY, then the returned certificate chain must contain only a single
* certificate with an empty signature and no attestation extension.
* Tag::ATTESTATION_APPLICATION_ID will be ignored if provided.
*
* 5. Symmetric key. If the generated/imported key is symmetric, the certificate chain must
* return empty, any Tag::ATTESTATION_CHALLENGE or Tag::ATTESTATION_APPLICATION_ID inputs,