Merge "Added listUidsForAuthBoundKeys to KeyStore" (3090f045) · Commits · e / os / android_frameworks_base

keystore/java/android/security/KeyStore.java

+26 −0

Original line number	Diff line number	Diff line
		@@ -54,6 +54,7 @@ import java.math.BigInteger;
		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 @@ public class KeyStore {
		}
		}

		/**
		* 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);
		}