Imported Upstream version 4.6.0.125

Former-commit-id: a2155e9bd80020e49e72e86c44da02a8ac0e57a4

mcs/class/referencesource/System.Web/Security/Cryptography/CryptoServiceOptions.cs

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+//------------------------------------------------------------------------------
+// <copyright file="CryptoServiceOptions.cs" company="Microsoft">
+//     Copyright (c) Microsoft Corporation.  All rights reserved.
+// </copyright>                                                                
+//------------------------------------------------------------------------------
+
+namespace System.Web.Security.Cryptography {
+    using System;
+
+    // Describes options that can configure an ICryptoService.
+
+    internal enum CryptoServiceOptions {
+
+        // [default] no special behavior needed
+        None = 0,
+
+        // the output of the Protect method will be cached, so the same plaintext should lead to the same ciphertext (no randomness)
+        CacheableOutput,
+
+    }
+}