class/System.Core/System.Security.Cryptography/SHA512CryptoServiceProvider.cs

   1 //
   2 // NOTE: DO NOT EDIT - This file was automatically generated using
   3 //      /mcs/class/System.Core/tools/hashwrap.cs
   4 //
   5 // System.Security.Cryptography.SHA512CryptoServiceProvider
   6 //
   7 // Authors:
   8 //      Sebastien Pouliot  <sebastien@ximian.com>
   9 //
  10 // Copyright (C) 2008 Novell, Inc (http://www.novell.com)
  11 //
  12 // Permission is hereby granted, free of charge, to any person obtaining
  13 // a copy of this software and associated documentation files (the
  14 // 'Software'), to deal in the Software without restriction, including
  15 // without limitation the rights to use, copy, modify, merge, publish,
  16 // distribute, sublicense, and/or sell copies of the Software, and to
  17 // permit persons to whom the Software is furnished to do so, subject to
  18 // the following conditions:
  19 //
  20 // The above copyright notice and this permission notice shall be
  21 // included in all copies or substantial portions of the Software.
  22 //
  23 // THE SOFTWARE IS PROVIDED 'AS IS', WITHOUT WARRANTY OF ANY KIND,
  24 // EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
  25 // MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
  26 // NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
  27 // LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
  28 // OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
  29 // WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
  30 //
  31
  32 #if !NET_2_1
  33
  34 namespace System.Security.Cryptography {
  35
  36         // this is a wrapper around SHA512Managed
  37         // see README.CNG and README.CSP for more details
  38
  39         public sealed class SHA512CryptoServiceProvider : SHA512 {
  40
  41                 static byte[] Empty = new byte [0];
  42
  43                 private SHA512 hash;
  44
  45                 [SecurityCritical]
  46                 public SHA512CryptoServiceProvider ()
  47                 {
  48                         // note: we don't use SHA512.Create since CryptoConfig could,
  49                         // if set to use this class, result in a endless recursion
  50                         hash = new SHA512Managed ();
  51                 }
  52
  53                 [SecurityCritical]
  54                 public override void Initialize ()
  55                 {
  56                         hash.Initialize ();
  57                 }
  58
  59                 [SecurityCritical]
  60                 protected override void HashCore (byte[] array, int ibStart, int cbSize)
  61                 {
  62                         hash.TransformBlock (array, ibStart, cbSize, null, 0);
  63                 }
  64
  65                 [SecurityCritical]
  66                 protected override byte[] HashFinal ()
  67                 {
  68                         hash.TransformFinalBlock (Empty, 0, 0);
  69                         HashValue = hash.Hash;
  70                         return HashValue;
  71                 }
  72
  73                 [SecurityCritical]
  74                 protected override void Dispose (bool disposing)
  75                 {
  76                         (hash as IDisposable).Dispose ();
  77                         base.Dispose (disposing);
  78                 }
  79         }
  80 }
  81
  82 #endif