diff -r 8982b8fada63 -r 1dfe820d7ebe MYKeychainItem.m
--- a/MYKeychainItem.m	Tue Apr 07 10:56:58 2009 -0700
+++ b/MYKeychainItem.m	Wed Apr 08 16:30:52 2009 -0700
@@ -50,10 +50,8 @@
 }
 
 - (BOOL) isEqual: (id)obj {
-    // Require the objects to be of the same class, so that a MYPublicKey will not be equal to a
-    // MYKeyPair with the same public key.
-    return (obj == self) || 
-           ([obj class] == [self class] && CFEqual(_itemRef, [obj keychainItemRef]));
+    return (obj == self) ||
+           ([obj isKindOfClass: [MYKeychainItem class]] && CFEqual(_itemRef, [obj keychainItemRef]));
 }
 
 - (NSUInteger) hash {