Merge "Fix formatting, use consistent comment styles, and document more fields." into main am: fe3b9bc59f

Original change: https://android-review.googlesource.com/c/platform/hardware/interfaces/+/3380832

Change-Id: Ia251ca834a16aee672adb867441b504f802e67b9
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>
diff --git a/security/keymint/aidl/android/hardware/security/keymint/KeyCreationResult.aidl b/security/keymint/aidl/android/hardware/security/keymint/KeyCreationResult.aidl
index 4fe3bd9..eb9d83d 100644
--- a/security/keymint/aidl/android/hardware/security/keymint/KeyCreationResult.aidl
+++ b/security/keymint/aidl/android/hardware/security/keymint/KeyCreationResult.aidl
@@ -125,14 +125,25 @@
      * straightforward translation of the KeyMint tag/value parameter lists to ASN.1.
      *
      * KeyDescription ::= SEQUENCE {
-     *     attestationVersion         INTEGER, # Value 400
-     *     attestationSecurityLevel   SecurityLevel, # See below
-     *     keyMintVersion             INTEGER, # Value 400
-     *     keymintSecurityLevel       SecurityLevel, # See below
-     *     attestationChallenge       OCTET_STRING, # Tag::ATTESTATION_CHALLENGE from attestParams
-     *     uniqueId                   OCTET_STRING, # Empty unless key has Tag::INCLUDE_UNIQUE_ID
-     *     softwareEnforced           AuthorizationList, # See below
-     *     hardwareEnforced           AuthorizationList, # See below
+     *     -- attestationVersion must be 400.
+     *     attestationVersion         INTEGER,
+     *     -- attestationSecurityLevel is the SecurityLevel of the location where the attested
+     *     -- key is stored. Must match keymintSecurityLevel.
+     *     attestationSecurityLevel   SecurityLevel,
+     *     -- keyMintVersion must be 400.
+     *     keyMintVersion             INTEGER,
+     *     -- keyMintSecurityLevel is the SecurityLevel of the IKeyMintDevice. Must match
+     *     -- attestationSecurityLevel.
+     *     keyMintSecurityLevel       SecurityLevel,
+     *     -- attestationChallenge contains Tag::ATTESTATION_CHALLENGE from attestParams.
+     *     attestationChallenge       OCTET_STRING,
+     *     -- uniqueId is empty unless the key has Tag::INCLUDE_UNIQUE_ID.
+     *     uniqueId                   OCTET_STRING,
+     *     -- softwareEnforced contains the authorization tags enforced by the Android system.
+     *     softwareEnforced           AuthorizationList,
+     *     -- hardwareEnforced contains the authorization tags enforced by a secure environment
+     *     -- (TEE or StrongBox).
+     *     hardwareEnforced           AuthorizationList,
      * }
      *
      * SecurityLevel ::= ENUMERATED {
@@ -145,9 +156,9 @@
      *     verifiedBootKey            OCTET_STRING,
      *     deviceLocked               BOOLEAN,
      *     verifiedBootState          VerifiedBootState,
-     *     # verifiedBootHash must contain a SHA-256 digest of all binaries and components validated
-     *     # by Verified Boot. Updating any verified binary or component must cause this value to
-     *     # change.
+     *     -- verifiedBootHash must contain a SHA-256 digest of all binaries and components
+     *     -- validated by Verified Boot. Updating any verified binary or component must cause this
+     *     -- value to change.
      *     verifiedBootHash           OCTET_STRING,
      * }
      *
@@ -158,15 +169,15 @@
      *     Failed                     (3),
      * }
      *
-     * # Modules contains version information for APEX modules.
-     * # Note that the Modules information is DER-encoded before being hashed, which requires a
-     * # specific ordering (lexicographic by encoded value) for the constituent Module entries. This
-     * # ensures that the ordering of Module entries is predictable and that the resulting SHA-256
-     * # hash value is identical for the same set of modules.
+     * -- Modules contains version information for APEX modules.
+     * -- Note that the Modules information is DER-encoded before being hashed, which requires a
+     * -- specific ordering (lexicographic by encoded value) for the constituent Module entries.
+     * -- This ensures that the ordering of Module entries is predictable and that the resulting
+     * -- SHA-256 hash value is identical for the same set of modules.
      * Modules ::= SET OF Module
      * Module ::= SEQUENCE {
      *     packageName                OCTET_STRING,
-     *     version                    INTEGER, # As determined at boot time
+     *     version                    INTEGER, -- As determined at boot time
      * }
      *
      * -- Note that the AuthorizationList SEQUENCE is also used in IKeyMintDevice::importWrappedKey
@@ -181,11 +192,11 @@
      *     purpose                    [1] EXPLICIT SET OF INTEGER OPTIONAL,
      *     algorithm                  [2] EXPLICIT INTEGER OPTIONAL,
      *     keySize                    [3] EXPLICIT INTEGER OPTIONAL,
-     *     blockMode                  [4] EXPLICIT SET OF INTEGER OPTIONAL, -- symmetric only
+     *     blockMode                  [4] EXPLICIT SET OF INTEGER OPTIONAL, -- Symmetric keys only
      *     digest                     [5] EXPLICIT SET OF INTEGER OPTIONAL,
      *     padding                    [6] EXPLICIT SET OF INTEGER OPTIONAL,
-     *     callerNonce                [7] EXPLICIT NULL OPTIONAL, -- symmetric only
-     *     minMacLength               [8] EXPLICIT INTEGER OPTIONAL, -- symmetric only
+     *     callerNonce                [7] EXPLICIT NULL OPTIONAL, -- Symmetric keys only
+     *     minMacLength               [8] EXPLICIT INTEGER OPTIONAL, -- Symmetric keys only
      *     ecCurve                    [10] EXPLICIT INTEGER OPTIONAL,
      *     rsaPublicExponent          [200] EXPLICIT INTEGER OPTIONAL,
      *     mgfDigest                  [203] EXPLICIT SET OF INTEGER OPTIONAL,
@@ -195,7 +206,7 @@
      *     originationExpireDateTime  [401] EXPLICIT INTEGER OPTIONAL,
      *     usageExpireDateTime        [402] EXPLICIT INTEGER OPTIONAL,
      *     usageCountLimit            [405] EXPLICIT INTEGER OPTIONAL,
-     *     userSecureId               [502] EXPLICIT INTEGER OPTIONAL, -- only used on import
+     *     userSecureId               [502] EXPLICIT INTEGER OPTIONAL, -- Only used on key import
      *     noAuthRequired             [503] EXPLICIT NULL OPTIONAL,
      *     userAuthType               [504] EXPLICIT INTEGER OPTIONAL,
      *     authTimeout                [505] EXPLICIT INTEGER OPTIONAL,
@@ -221,7 +232,8 @@
      *     bootPatchLevel             [719] EXPLICIT INTEGER OPTIONAL,
      *     deviceUniqueAttestation    [720] EXPLICIT NULL OPTIONAL,
      *     attestationIdSecondImei    [723] EXPLICIT OCTET_STRING OPTIONAL,
-     *     moduleHash                 [724] EXPLICIT OCTET_STRING OPTIONAL, -- SHA-256 hash of DER-encoded `Modules`
+     *     -- moduleHash contains a SHA-256 hash of DER-encoded `Modules`
+     *     moduleHash                 [724] EXPLICIT OCTET_STRING OPTIONAL,
      * }
      */
     Certificate[] certificateChain;