Imported Upstream version 4.3.2.467

Former-commit-id: 9c2cb47f45fa221e661ab616387c9cda183f283d

mcs/class/System/ReferenceSources/Internal.cs

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+//
+// Internal.cs
+//
+// Author:
+//       Martin Baulig <martin.baulig@xamarin.com>
+//
+// Copyright (c) 2015 Xamarin Inc. (http://www.xamarin.com)
+//
+// Permission is hereby granted, free of charge, to any person obtaining a copy
+// of this software and associated documentation files (the "Software"), to deal
+// in the Software without restriction, including without limitation the rights
+// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+// copies of the Software, and to permit persons to whom the Software is
+// furnished to do so, subject to the following conditions:
+//
+// The above copyright notice and this permission notice shall be included in
+// all copies or substantial portions of the Software.
+//
+// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+// THE SOFTWARE.
+
+using System.Runtime.InteropServices;
+using System.Security.Cryptography.X509Certificates;
+
+namespace System.Net.Security
+{
+	//From Schannel.h
+	[Flags]
+	internal enum SchProtocols
+	{
+		Zero = 0,
+		PctClient = 0x00000002,
+		PctServer = 0x00000001,
+		Pct = (PctClient | PctServer),
+		Ssl2Client = 0x00000008,
+		Ssl2Server = 0x00000004,
+		Ssl2 = (Ssl2Client | Ssl2Server),
+		Ssl3Client = 0x00000020,
+		Ssl3Server = 0x00000010,
+		Ssl3 = (Ssl3Client | Ssl3Server),
+		Tls10Client = 0x00000080,
+		Tls10Server = 0x00000040,
+		Tls10 = (Tls10Client | Tls10Server),
+		Tls11Client = 0x00000200,
+		Tls11Server = 0x00000100,
+		Tls11 = (Tls11Client | Tls11Server),
+		Tls12Client = 0x00000800,
+		Tls12Server = 0x00000400,
+		Tls12 = (Tls12Client | Tls12Server),
+		Ssl3Tls = (Ssl3 | Tls10),
+		UniClient = unchecked((int)0x80000000),
+		UniServer = 0x40000000,
+		Unified = (UniClient | UniServer),
+		ClientMask = (PctClient | Ssl2Client | Ssl3Client | Tls10Client | Tls11Client | Tls12Client | UniClient),
+		ServerMask = (PctServer | Ssl2Server | Ssl3Server | Tls10Server | Tls11Server | Tls12Server | UniServer)
+	}
+
+	//From Schannel.h
+	[StructLayout (LayoutKind.Sequential)]
+	internal class SslConnectionInfo
+	{
+		public readonly int Protocol;
+		public readonly int DataCipherAlg;
+		public readonly int DataKeySize;
+		public readonly int DataHashAlg;
+		public readonly int DataHashKeySize;
+		public readonly int KeyExchangeAlg;
+		public readonly int KeyExchKeySize;
+
+		internal SslConnectionInfo (int protocol)
+		{
+			Protocol = protocol;
+		}
+	}
+}