# System.Security.Cryptography

``` diff
 namespace System.Security.Cryptography {
     public sealed class CryptographicAttributeObjectCollection : ICollection, IEnumerable {
+        public bool IsSynchronized { get; }
+        public object SyncRoot { get; }
-        bool System.Collections.ICollection.IsSynchronized { get; }

-        object System.Collections.ICollection.SyncRoot { get; }

     }
     public sealed class SafeEvpPKeyHandle : SafeHandle {
+        public static long OpenSslVersion { get; }
     }
 }
```

