Merge "Clarify where unhashed module info can be found" into main am: 467635c1cc am: 3b0b271c4b

Original change: https://android-review.googlesource.com/c/platform/hardware/interfaces/+/3441081

Change-Id: If5399aa9ed1e38bbeb21d7b824b1ad87be5a494b
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>
diff --git a/security/keymint/aidl/android/hardware/security/keymint/Tag.aidl b/security/keymint/aidl/android/hardware/security/keymint/Tag.aidl
index e56c193..7ea5f5d 100644
--- a/security/keymint/aidl/android/hardware/security/keymint/Tag.aidl
+++ b/security/keymint/aidl/android/hardware/security/keymint/Tag.aidl
@@ -904,6 +904,9 @@
      * Tag::MODULE_HASH specifies the SHA-256 hash of the DER-encoded module information (see
      * KeyCreationResult.aidl for the ASN.1 schema).
      *
+     * KeyStore clients can retrieve the unhashed DER-encoded module information from Android
+     * via KeyStoreManager.getSupplementaryAttestationInfo.
+     *
      * This tag is never provided or returned from KeyMint in the key characteristics. It exists
      * only to define the tag for use in the attestation record.
      *