1 files changed, 42 insertions, 0 deletions
diff --git a/src/System.Private.CoreLib/shared/System/Security/AccessControl/RegistryRights.cs b/src/System.Private.CoreLib/shared/System/Security/AccessControl/RegistryRights.cs
new file mode 100644
index 000000000..729e2f6b5
--- /dev/null
+++ b/src/System.Private.CoreLib/shared/System/Security/AccessControl/RegistryRights.cs
@@ -0,0 +1,42 @@
+// Licensed to the .NET Foundation under one or more agreements.
+// The .NET Foundation licenses this file to you under the MIT license.
+// See the LICENSE file in the project root for more information.
+
+using Microsoft.Win32;
+
+namespace System.Security.AccessControl
+{
+    // We derived this enum from the definitions of KEY_READ and such from
+    // winnt.h and from MSDN, plus some experimental validation with regedit.
+    // http://msdn.microsoft.com/library/default.asp?url=/library/en-us/sysinfo/base/registry_key_security_and_access_rights.asp
+    [Flags]
+#if REGISTRY_ASSEMBLY
+    public
+#else
+    internal
+#endif
+    enum RegistryRights
+    {
+        // No None field - An ACE with the value 0 cannot grant nor deny.
+        QueryValues = Interop.Advapi32.RegistryOperations.KEY_QUERY_VALUE,          // 0x0001 query the values of a registry key
+        SetValue = Interop.Advapi32.RegistryOperations.KEY_SET_VALUE,            // 0x0002 create, delete, or set a registry value
+        CreateSubKey = Interop.Advapi32.RegistryOperations.KEY_CREATE_SUB_KEY,       // 0x0004 required to create a subkey of a specific key
+        EnumerateSubKeys = Interop.Advapi32.RegistryOperations.KEY_ENUMERATE_SUB_KEYS,   // 0x0008 required to enumerate sub keys of a key
+        Notify = Interop.Advapi32.RegistryOperations.KEY_NOTIFY,               // 0x0010 needed to request change notifications
+        CreateLink = Interop.Advapi32.RegistryOperations.KEY_CREATE_LINK,          // 0x0020 reserved for system use
+        ///
+        /// The Windows Kernel team agrees that it was a bad design to expose the WOW64_n options as permissions.
+        /// in the .NET Framework these options are exposed via the RegistryView enum
+        ///
+        ///        Reg64             = Interop.Advapi32.RegistryOptions.KEY_WOW64_64KEY,          // 0x0100 operate on the 64-bit registry view
+        ///        Reg32             = Interop.Advapi32.RegistryOptions.KEY_WOW64_32KEY,          // 0x0200 operate on the 32-bit registry view
+        ExecuteKey = ReadKey,
+        ReadKey = Interop.Advapi32.RegistryOperations.STANDARD_RIGHTS_READ | QueryValues | EnumerateSubKeys | Notify,
+        WriteKey = Interop.Advapi32.RegistryOperations.STANDARD_RIGHTS_WRITE | SetValue | CreateSubKey,
+        Delete = 0x10000,
+        ReadPermissions = 0x20000,
+        ChangePermissions = 0x40000,
+        TakeOwnership = 0x80000,
+        FullControl = 0xF003F | Interop.Advapi32.RegistryOperations.STANDARD_RIGHTS_READ | Interop.Advapi32.RegistryOperations.STANDARD_RIGHTS_WRITE
+    }
+}