* roottypes.cs: Rename from tree.cs.

[mono.git] / mcs / class / corlib / System.Security.Cryptography / CryptoAPITransform.cs

diff --git a/mcs/class/corlib/System.Security.Cryptography/CryptoAPITransform.cs b/mcs/class/corlib/System.Security.Cryptography/CryptoAPITransform.cs
old mode 100755 (executable)
new mode 100644 (file)
index ea16089..716ced9
--- a/mcs/class/corlib/System.Security.Cryptography/CryptoAPITransform.cs
+++ b/mcs/class/corlib/System.Security.Cryptography/CryptoAPITransform.cs
@@ -1,77 +1,118 @@
-//\r
-// System.Security.Cryptography CryptoAPITransform.cs\r
-//\r
-// Author:\r
-//   Thomas Neidhart (tome@sbox.tugraz.at)\r
-//\r
-\r
-using System;\r
-using System.IO;\r
-\r
-namespace System.Security.Cryptography\r
-{\r
-\r
-       public sealed class CryptoAPITransform : ICryptoTransform\r
-       {\r
-               public CryptoAPITransform() \r
-               {\r
-               }\r
-               \r
-               /// <summary>\r
-               /// Indicates if the Transform object can transform multiple blocks\r
-               /// </summary>\r
-               [MonoTODO]\r
-               public bool CanTransformMultipleBlocks\r
-               {\r
-                       get \r
-                       {\r
-                               // FIXME: should not be always true\r
-                               return true;\r
-                       }\r
-               }\r
-\r
-               [MonoTODO]\r
-               public int InputBlockSize\r
-               {\r
-                       get {\r
-                               // TODO: implement\r
-                               return 0;\r
-                       }\r
-               }\r
-\r
-               [MonoTODO]\r
-               public IntPtr KeyHandle \r
-               {\r
-                       get {\r
-                               // TODO: implement\r
-                               return IntPtr.Zero;\r
-                       }\r
-               }\r
-\r
-               [MonoTODO]\r
-               public int OutputBlockSize \r
-               {\r
-                       get {\r
-                               // TODO: implement\r
-                               return 0;\r
-                       }\r
-               }\r
-\r
-               [MonoTODO]\r
-               public int TransformBlock(byte[] inputBuffer, int inputOffset, \r
-                                         int inputCount, byte[] outputBuffer, int outputOffset)\r
-               {\r
-                       // TODO: implement\r
-                       return 0;\r
-               }\r
-\r
-               [MonoTODO]\r
-               public byte[] TransformFinalBlock(byte[] inputBuffer, int inputOffset, int inputCount)\r
-               {\r
-                       // TODO: implement\r
-                       return null;\r
-               }\r
-               \r
-       } // CryptoAPITransform\r
-       \r
-} // System.Security.Cryptography\r
+//
+// System.Security.Cryptography CryptoAPITransform.cs
+//
+// Authors:
+//     Thomas Neidhart (tome@sbox.tugraz.at)
+//     Sebastien Pouliot (sebastien@ximian.com)
+//
+// Copyright (C) 2004-2005 Novell, Inc (http://www.novell.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.Permissions;
+
+namespace System.Security.Cryptography {
+
+       // Note: This class isn't used by Mono as all algorithms are provided with
+       // 100% managed implementations.
+
+#if NET_2_0
+       [ComVisible (true)]
+#endif
+       public sealed class CryptoAPITransform : ICryptoTransform {
+
+               private bool m_disposed;
+
+               internal CryptoAPITransform () 
+               {
+                       m_disposed = false;
+               }
+
+#if ! NET_2_0
+               ~CryptoAPITransform () 
+               {
+                       Dispose (false);
+               }
+#endif
+
+               public bool CanReuseTransform {
+                       get { return true; }
+               }
+
+               public bool CanTransformMultipleBlocks {
+                       get { return true; }
+               }
+
+               public int InputBlockSize {
+                       get { return 0; }
+               }
+
+               public IntPtr KeyHandle {
+                       [SecurityPermission (SecurityAction.Demand, UnmanagedCode = true)]
+                       get { return IntPtr.Zero; }
+               }
+
+               public int OutputBlockSize {
+                       get { return 0; }
+               }
+
+               void IDisposable.Dispose () 
+               {
+                       Dispose (true);
+                       GC.SuppressFinalize (this);  // Finalization is now unnecessary
+               }
+
+               public void Clear () 
+               {
+                       Dispose (false);
+               }
+
+               private void Dispose (bool disposing) 
+               {
+                       if (!m_disposed) {
+                               // dispose unmanaged objects
+                               if (disposing) {
+                                       // dispose managed objects
+                               }
+                               m_disposed = true;
+                       }
+               }
+
+               public int TransformBlock (byte[] inputBuffer, int inputOffset, int inputCount, byte[] outputBuffer, int outputOffset)
+               {
+                       return 0;
+               }
+
+               public byte[] TransformFinalBlock (byte[] inputBuffer, int inputOffset, int inputCount)
+               {
+                       // Reset (); should be called here before returning final data
+                       return null;
+               }
+
+#if NET_2_0
+               [ComVisible (false)]
+               public void Reset ()
+               {
+               }
+#endif
+       }
+}