class/corlib/System.Security.Cryptography/Rijndael.cs

   1 //
   2 // System.Security.Cryptography.Rijndael.cs
   3 //
   4 // Authors: Dan Lewis (dihlewis@yahoo.co.uk)
   5 //          Andrew Birkett (andy@nobugs.org)
   6 //
   7 // (C) 2002
   8 // Copyright (C) 2004-2006 Novell, Inc (http://www.novell.com)
   9 //
  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:
  17 //
  18 // The above copyright notice and this permission notice shall be
  19 // included in all copies or substantial portions of the Software.
  20 //
  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.
  28 //
  29
  30 #if !MOONLIGHT
  31
  32 using System.Runtime.InteropServices;
  33
  34 namespace System.Security.Cryptography {
  35
  36         // References:
  37         // a.   FIPS PUB 197: Advanced Encryption Standard
  38         //      http://csrc.nist.gov/publications/fips/fips197/fips-197.pdf
  39
  40         [ComVisible (true)]
  41         public abstract class Rijndael : SymmetricAlgorithm {
  42
  43                 public static new Rijndael Create ()
  44                 {
  45                         return Create ("System.Security.Cryptography.Rijndael");
  46                 }
  47
  48                 public static new Rijndael Create (string algName)
  49                 {
  50                         return (Rijndael) CryptoConfig.CreateFromName (algName);
  51                 }
  52
  53                 protected Rijndael ()
  54                 {
  55                         KeySizeValue = 256;
  56                         BlockSizeValue = 128;
  57                         FeedbackSizeValue = 128;
  58
  59                         LegalKeySizesValue = new KeySizes [1];
  60                         LegalKeySizesValue [0] = new KeySizes (128, 256, 64);
  61
  62                         LegalBlockSizesValue = new KeySizes [1];
  63                         LegalBlockSizesValue [0] = new KeySizes (128, 256, 64);
  64                 }
  65         }
  66 }
  67 #endif
  68