mcs/class/referencesource/mscorlib/system/security/cryptography/rijndael.cs

   1 // ==++==
   2 //
   3 //   Copyright (c) Microsoft Corporation.  All rights reserved.
   4 //
   5 // ==--==
   6 // <OWNER>Microsoft</OWNER>
   7 //
   8
   9 //
  10 // Rijndael.cs
  11 //
  12
  13 namespace System.Security.Cryptography
  14 {
  15 [System.Runtime.InteropServices.ComVisible(true)]
  16
  17     public abstract class Rijndael : SymmetricAlgorithm
  18     {
  19         private static  KeySizes[] s_legalBlockSizes = {
  20           new KeySizes(128, 256, 64)
  21         };
  22
  23         private static  KeySizes[] s_legalKeySizes = {
  24             new KeySizes(128, 256, 64)
  25         };
  26
  27         //
  28         // protected constructors
  29         //
  30
  31         protected Rijndael() {
  32             KeySizeValue = 256;
  33             BlockSizeValue = 128;
  34             FeedbackSizeValue = BlockSizeValue;
  35             LegalBlockSizesValue = s_legalBlockSizes;
  36             LegalKeySizesValue = s_legalKeySizes;
  37         }
  38
  39         //
  40         // public methods
  41         //
  42
  43         new static public Rijndael Create() {
  44 #if FULL_AOT_RUNTIME
  45             return new System.Security.Cryptography.RijndaelManaged ();
  46 #else
  47             return Create("System.Security.Cryptography.Rijndael");
  48 #endif
  49         }
  50
  51         new static public Rijndael Create(String algName) {
  52             return (Rijndael) CryptoConfig.CreateFromName(algName);
  53         }
  54     }
  55 }