mcs/class/Microsoft.Web.Services/Microsoft.Web.Services.Security/SymmetricEncryptionKey.cs

   1 //
   2 // SymmetricEncryptionKey.cs: Handles WS-Security SymmetricEncryptionKey
   3 //
   4 // Author:
   5 //      Sebastien Pouliot (spouliot@motus.com)
   6 //
   7 // (C) 2002, 2003 Motus Technologies Inc. (http://www.motus.com)
   8 //
   9
  10 using System;
  11 using System.Security.Cryptography;
  12 using System.Web.Services.Protocols;
  13
  14 namespace Microsoft.Web.Services.Security {
  15
  16         public class SymmetricEncryptionKey : EncryptionKey {
  17
  18                 private SymmetricAlgorithm algo;
  19
  20                 public SymmetricEncryptionKey ()
  21                 {
  22                         // uses TripleDESCryptoServiceProvider - not default (Rjindael)
  23                         algo = SymmetricAlgorithm.Create ("TripleDES");
  24                 }
  25
  26                 public SymmetricEncryptionKey (SymmetricAlgorithm key)
  27                 {
  28                         if (key == null)
  29                                 throw new NullReferenceException ("algo");
  30                         algo = key;
  31                 }
  32
  33                 public SymmetricEncryptionKey (SymmetricAlgorithm key, byte[] keyValue)
  34                 {
  35                         algo = key;
  36                         algo.Key = keyValue;
  37                 }
  38
  39                 internal SymmetricAlgorithm Algorithm {
  40                         get { return algo; }
  41                 }
  42         }
  43 }