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

   1 //
   2 // System.Security.Cryptography AsymmetricSignatureFormatter Class implementation
   3 //
   4 // Authors:
   5 //   Thomas Neidhart (tome@sbox.tugraz.at)
   6 //
   7 // Copyright (C) 2004-2006 Novell, Inc (http://www.novell.com)
   8 //
   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:
  16 //
  17 // The above copyright notice and this permission notice shall be
  18 // included in all copies or substantial portions of the Software.
  19 //
  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.
  27 //
  28
  29 using System.Runtime.InteropServices;
  30
  31 namespace System.Security.Cryptography {
  32
  33         [ComVisible (true)]
  34         public abstract class AsymmetricSignatureFormatter {
  35
  36                 protected AsymmetricSignatureFormatter ()
  37                 {               }
  38
  39                 public abstract void SetHashAlgorithm (string strName);
  40
  41                 public abstract void SetKey (AsymmetricAlgorithm key);
  42
  43                 public abstract byte[] CreateSignature (byte[] rgbHash);
  44
  45                 public virtual byte[] CreateSignature (HashAlgorithm hash)
  46                 {
  47                         if (hash == null)
  48                                 throw new ArgumentNullException ("hash");
  49
  50                         SetHashAlgorithm (hash.ToString ());
  51                         return CreateSignature (hash.Hash);
  52                 }
  53         }
  54 }
  55