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Merge "Document the allowed challenge size" into main

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Eran Messeri
2023-11-02 13:59:09 +00:00
committed by Gerrit Code Review
parent 93439a212b 79cb992033
commit 4f73689e26
1 changed files with 2 additions and 0 deletions
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security/keymint/aidl/android/hardware/security/keymint/Tag.aidl
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@@ -643,6 +643,8 @@ enum Tag {
* Tag::ATTESTATION_CHALLENGE is used to deliver a "challenge" value to the attested key * Tag::ATTESTATION_CHALLENGE is used to deliver a "challenge" value to the attested key
* generation/import methods, which must place the value in the KeyDescription SEQUENCE of the * generation/import methods, which must place the value in the KeyDescription SEQUENCE of the
* attestation extension. * attestation extension.
* The challenge value may be up to 128 bytes. If the caller provides a bigger challenge,
* INVALID_INPUT_LENGTH error should be returned.
* *
* Must never appear in KeyCharacteristics. * Must never appear in KeyCharacteristics.
*/ */