# System.Security.Cryptography

``` diff
 namespace System.Security.Cryptography {
-    [SupportedOSPlatformAttribute("ios13.0")]
-    [SupportedOSPlatformAttribute("maccatalyst")]
-    [SupportedOSPlatformAttribute("tvos13.0")]
-    [UnsupportedOSPlatformAttribute("browser")]
-    [UnsupportedOSPlatformAttribute("ios")]
-    [UnsupportedOSPlatformAttribute("tvos")]
-    public sealed class AesGcm : IDisposable
+    [SupportedOSPlatformAttribute("ios13.0")]
+    [SupportedOSPlatformAttribute("tvos13.0")]
+    [UnsupportedOSPlatformAttribute("browser")]
+    [UnsupportedOSPlatformAttribute("ios")]
+    [UnsupportedOSPlatformAttribute("tvos")]
+    public sealed class AesGcm : IDisposable
-    [SupportedOSPlatformAttribute("ios13.0")]
-    [SupportedOSPlatformAttribute("maccatalyst")]
-    [SupportedOSPlatformAttribute("tvos13.0")]
-    [UnsupportedOSPlatformAttribute("browser")]
-    [UnsupportedOSPlatformAttribute("ios")]
-    [UnsupportedOSPlatformAttribute("tvos")]
-    public sealed class ChaCha20Poly1305 : IDisposable
+    [SupportedOSPlatformAttribute("ios13.0")]
+    [SupportedOSPlatformAttribute("tvos13.0")]
+    [UnsupportedOSPlatformAttribute("browser")]
+    [UnsupportedOSPlatformAttribute("ios")]
+    [UnsupportedOSPlatformAttribute("tvos")]
+    public sealed class ChaCha20Poly1305 : IDisposable
 }
```

