2 // System.Security.Cryptography CryptoAPITransform.cs
5 // Thomas Neidhart (tome@sbox.tugraz.at)
6 // Sebastien Pouliot (sebastien@ximian.com)
8 // Copyright (C) 2004 Novell, Inc (http://www.novell.com)
10 // Permission is hereby granted, free of charge, to any person obtaining
11 // a copy of this software and associated documentation files (the
12 // "Software"), to deal in the Software without restriction, including
13 // without limitation the rights to use, copy, modify, merge, publish,
14 // distribute, sublicense, and/or sell copies of the Software, and to
15 // permit persons to whom the Software is furnished to do so, subject to
16 // the following conditions:
18 // The above copyright notice and this permission notice shall be
19 // included in all copies or substantial portions of the Software.
21 // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
22 // EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
23 // MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
24 // NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
25 // LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
26 // OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
27 // WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
32 namespace System.Security.Cryptography {
34 // Note: This class isn't used by Mono as all algorithms are provided with
35 // 100% managed implementations.
37 public sealed class CryptoAPITransform : ICryptoTransform {
39 private bool m_disposed;
41 internal CryptoAPITransform ()
46 ~CryptoAPITransform ()
51 public bool CanReuseTransform {
55 public bool CanTransformMultipleBlocks {
59 public int InputBlockSize {
63 public IntPtr KeyHandle {
64 get { return IntPtr.Zero; }
67 public int OutputBlockSize {
71 void IDisposable.Dispose ()
74 GC.SuppressFinalize (this); // Finalization is now unnecessary
82 private void Dispose (bool disposing)
85 // dispose unmanaged objects
87 // dispose managed objects
93 public int TransformBlock (byte[] inputBuffer, int inputOffset, int inputCount, byte[] outputBuffer, int outputOffset)
98 public byte[] TransformFinalBlock (byte[] inputBuffer, int inputOffset, int inputCount)
100 // Reset (); should be called here before returning final data