Merge "Added listUidsForAuthBoundKeys to KeyStore" am: 73e9640194
am: 3090f045a7
Change-Id: I10ebfdc276a6af84b32b116c6d93f488ad0c97b8
diff --git a/keystore/java/android/security/KeyStore.java b/keystore/java/android/security/KeyStore.java
index 2d214a7..40570c1 100644
--- a/keystore/java/android/security/KeyStore.java
+++ b/keystore/java/android/security/KeyStore.java
@@ -54,6 +54,7 @@
import java.io.ByteArrayInputStream;
import java.io.IOException;
import java.security.InvalidKeyException;
+import java.util.Arrays;
import java.util.List;
import java.util.Locale;
import java.util.concurrent.CompletableFuture;
@@ -296,6 +297,31 @@
}
}
+ /**
+ * List uids of all keys that are auth bound to the current user.
+ * Only system is allowed to call this method.
+ */
+ @UnsupportedAppUsage
+ public int[] listUidsOfAuthBoundKeys() {
+ final int MAX_RESULT_SIZE = 100;
+ int[] uidsOut = new int[MAX_RESULT_SIZE];
+ try {
+ int rc = mBinder.listUidsOfAuthBoundKeys(uidsOut);
+ if (rc != NO_ERROR) {
+ Log.w(TAG, String.format("listUidsOfAuthBoundKeys failed with error code %d", rc));
+ return null;
+ }
+ } catch (RemoteException e) {
+ Log.w(TAG, "Cannot connect to keystore", e);
+ return null;
+ } catch (android.os.ServiceSpecificException e) {
+ Log.w(TAG, "KeyStore exception", e);
+ return null;
+ }
+ // Remove any 0 entries
+ return Arrays.stream(uidsOut).filter(x -> x > 0).toArray();
+ }
+
public String[] list(String prefix) {
return list(prefix, UID_SELF);
}