Delete synthetic password keystore keys when user is removed.

Bug: 65718620
Test: Add user, remove user, look at "adb shell su 1000 keystore_cli_v2 list"
      and make sure nothing remains.

Change-Id: I2cf862c35117faed38fdfe5c43ceece4e8dbc3c4

1 files changed, 3 insertions, 5 deletions

diff --git a/services/core/java/com/android/server/locksettings/SyntheticPasswordManager.java b/services/core/java/com/android/server/locksettings/SyntheticPasswordManager.java
index ca6c9e78d0a2..1a1aa569b249 100644
--- a/services/core/java/com/android/server/locksettings/SyntheticPasswordManager.java
+++ b/services/core/java/com/android/server/locksettings/SyntheticPasswordManager.java
@@ -390,11 +390,9 @@ public class SyntheticPasswordManager {
     }
 
     public void removeUser(int userId) {
-        if (isWeaverAvailable()) {
-            for (long handle : mStorage.listSyntheticPasswordHandlesForUser(WEAVER_SLOT_NAME,
-                    userId)) {
-                destroyWeaverSlot(handle, userId);
-            }
+        for (long handle : mStorage.listSyntheticPasswordHandlesForUser(SP_BLOB_NAME, userId)) {
+            destroyWeaverSlot(handle, userId);
+            destroySPBlobKey(getHandleName(handle));
         }
     }