class/Mono.Security.Win32/Mono.Security.Cryptography/MD4.cs

   1 //
   2 // MD4.cs - Message Digest 4 Abstract class
   3 //
   4 // Author:
   5 //      Sebastien Pouliot (spouliot@motus.com)
   6 //
   7 // (C) 2003 Motus Technologies Inc. (http://www.motus.com)
   8 //
   9
  10 using System;
  11 using System.Security.Cryptography;
  12
  13 namespace Mono.Security.Cryptography {
  14
  15 public abstract class MD4 : HashAlgorithm {
  16
  17         protected MD4 ()
  18         {
  19                 // MD4 hash length are 128 bits long
  20                 HashSizeValue = 128;
  21         }
  22
  23         public static new MD4 Create ()
  24         {
  25                 // for this to work we must register ourself with CryptoConfig
  26                 return Create ("MD4");
  27         }
  28
  29         public static new MD4 Create (string hashName)
  30         {
  31                 object o = CryptoConfig.CreateFromName (hashName);
  32                 // in case machine.config isn't configured to use any MD4 implementation
  33                 if (o == null) {
  34                         o = new MD4CryptoServiceProvider ();
  35                 }
  36                 return (MD4) o;
  37         }
  38 }
  39
  40 }