Track changes to the keystore binder API

Output parameters are gone from begin, instead they will returned in the
OperationResult and begin, update, and finish may return output
parameters.

Change-Id: I072afeb6c65f6c512b40603824c25686ac44e7c8

2 files changed, 4 insertions, 1 deletions

diff --git a/core/java/android/security/IKeystoreService.aidl b/core/java/android/security/IKeystoreService.aidl
index 30ea8e7..2097d5a 100644
--- a/core/java/android/security/IKeystoreService.aidl
+++ b/core/java/android/security/IKeystoreService.aidl
@@ -65,7 +65,7 @@ interface IKeystoreService {
     ExportResult exportKey(String alias, int format, in KeymasterBlob clientId,
         in KeymasterBlob appId);
     OperationResult begin(IBinder appToken, String alias, int purpose, boolean pruneable,
-        in KeymasterArguments params, in byte[] entropy, out KeymasterArguments operationParams);
+        in KeymasterArguments params, in byte[] entropy);
     OperationResult update(IBinder token, in KeymasterArguments params, in byte[] input);
     OperationResult finish(IBinder token, in KeymasterArguments params, in byte[] signature);
     int abort(IBinder handle);
diff --git a/core/java/android/security/keymaster/OperationResult.java b/core/java/android/security/keymaster/OperationResult.java
index 9b46ad3..911a05a 100644
--- a/core/java/android/security/keymaster/OperationResult.java
+++ b/core/java/android/security/keymaster/OperationResult.java
@@ -31,6 +31,7 @@ public class OperationResult implements Parcelable {
     public final long operationHandle;
     public final int inputConsumed;
     public final byte[] output;
+    public final KeymasterArguments outParams;
 
     public static final Parcelable.Creator<OperationResult> CREATOR = new
             Parcelable.Creator<OperationResult>() {
@@ -49,6 +50,7 @@ public class OperationResult implements Parcelable {
         operationHandle = in.readLong();
         inputConsumed = in.readInt();
         output = in.createByteArray();
+        outParams = KeymasterArguments.CREATOR.createFromParcel(in);
     }
 
     @Override
@@ -63,5 +65,6 @@ public class OperationResult implements Parcelable {
         out.writeLong(operationHandle);
         out.writeInt(inputConsumed);
         out.writeByteArray(output);
+        outParams.writeToParcel(out, flags);
     }
 }