2 // System.Security.Cryptography.RijndaelManaged.cs
5 // Mark Crichton (crichton@gimp.org)
6 // Andrew Birkett (andy@nobugs.org)
7 // Sebastien Pouliot (sebastien@ximian.com)
8 // Kazuki Oikawa (kazuki@panicode.com)
11 // Portions (C) 2002, 2003 Motus Technologies Inc. (http://www.motus.com)
12 // Copyright (C) 2004-2005 Novell, Inc (http://www.novell.com)
14 // Permission is hereby granted, free of charge, to any person obtaining
15 // a copy of this software and associated documentation files (the
16 // "Software"), to deal in the Software without restriction, including
17 // without limitation the rights to use, copy, modify, merge, publish,
18 // distribute, sublicense, and/or sell copies of the Software, and to
19 // permit persons to whom the Software is furnished to do so, subject to
20 // the following conditions:
22 // The above copyright notice and this permission notice shall be
23 // included in all copies or substantial portions of the Software.
25 // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
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27 // MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
28 // NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
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31 // WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
34 using System.Runtime.InteropServices;
35 using Mono.Security.Cryptography;
37 namespace System.Security.Cryptography {
40 // a. FIPS PUB 197: Advanced Encryption Standard
41 // http://csrc.nist.gov/publications/fips/fips197/fips-197.pdf
42 // b. Rijndael Specification
43 // http://csrc.nist.gov/CryptoToolkit/aes/rijndael/Rijndael-ammended.pdf
46 public sealed class RijndaelManaged : Rijndael {
48 public RijndaelManaged ()
52 public override void GenerateIV ()
54 IVValue = KeyBuilder.IV (BlockSizeValue >> 3);
57 public override void GenerateKey ()
59 KeyValue = KeyBuilder.Key (KeySizeValue >> 3);
62 public override ICryptoTransform CreateDecryptor (byte[] rgbKey, byte[] rgbIV)
64 return new RijndaelManagedTransform (this, false, rgbKey, rgbIV);
67 public override ICryptoTransform CreateEncryptor (byte[] rgbKey, byte[] rgbIV)
69 return new RijndaelManagedTransform (this, true, rgbKey, rgbIV);