2 // System.Security.Cryptography.RijndaelManagedTransform
5 // Sebastien Pouliot <sebastien@ximian.com>
7 // Copyright (C) 2004 Novell, Inc (http://www.novell.com)
9 // Permission is hereby granted, free of charge, to any person obtaining
10 // a copy of this software and associated documentation files (the
11 // "Software"), to deal in the Software without restriction, including
12 // without limitation the rights to use, copy, modify, merge, publish,
13 // distribute, sublicense, and/or sell copies of the Software, and to
14 // permit persons to whom the Software is furnished to do so, subject to
15 // the following conditions:
17 // The above copyright notice and this permission notice shall be
18 // included in all copies or substantial portions of the Software.
20 // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
21 // EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
22 // MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
23 // NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
24 // LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
25 // OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
26 // WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
33 namespace System.Security.Cryptography {
35 // Notes: This class is "publicly" new in Fx 2.0 but was already
36 // existing in Fx 1.0. So this new class is only calling the old
37 // (and more general) one (RijndaelTransform) located in
38 // RijndaelManaged.cs.
40 public sealed class RijndaelManagedTransform: ICryptoTransform, IDisposable {
42 private RijndaelTransform _st;
45 internal RijndaelManagedTransform (Rijndael algo, bool encryption, byte[] key, byte[] iv)
47 _st = new RijndaelTransform (algo, encryption, key, iv);
51 public int BlockSizeValue {
55 public bool CanTransformMultipleBlocks {
56 get { return _st.CanTransformMultipleBlocks; }
59 public bool CanReuseTransform {
60 get { return _st.CanReuseTransform; }
63 public int InputBlockSize {
64 get { return _st.InputBlockSize; }
67 public int OutputBlockSize {
68 get { return _st.OutputBlockSize; }
81 void System.IDisposable.Dispose ()
86 public int TransformBlock (byte[] inputBuffer, int inputOffset, int inputCount, byte[] outputBuffer, int outputOffset)
88 return _st.TransformBlock (inputBuffer, inputOffset, inputCount, outputBuffer, outputOffset);
91 public byte[] TransformFinalBlock (byte[] inputBuffer, int inputOffset, int inputCount)
93 return _st.TransformFinalBlock (inputBuffer, inputOffset, inputCount);