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//
// System.Security.Cryptography.Aes.cs
// based on mcs/class/corlib/System.Security.Cryptography/Rijndael.cs
//
// Authors:
// Dan Lewis (dihlewis@yahoo.co.uk)
// Andrew Birkett (andy@nobugs.org)
// Sebastien Pouliot <sebastien@ximian.com>
//
// (C) 2002
// Copyright (C) 2004-2006,2008 Novell, Inc (http://www.novell.com)
//
// Permission is hereby granted, free of charge, to any person obtaining
// a copy of this software and associated documentation files (the
// "Software"), to deal in the Software without restriction, including
// without limitation the rights to use, copy, modify, merge, publish,
// distribute, sublicense, and/or sell copies of the Software, and to
// permit persons to whom the Software is furnished to do so, subject to
// the following conditions:
//
// The above copyright notice and this permission notice shall be
// included in all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
// EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
// NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
// LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
// OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
// WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
//
using System.Runtime.InteropServices;
namespace System.Security.Cryptography {
// References:
// a. FIPS PUB 197: Advanced Encryption Standard
// http://csrc.nist.gov/publications/fips/fips197/fips-197.pdf
public abstract class Aes : SymmetricAlgorithm {
public static new Aes Create ()
{
return Create ("System.Security.Cryptography.AesManaged, " + Consts.AssemblySystem_Core);
}
public static new Aes Create (string algName)
{
return (Aes) CryptoConfig.CreateFromName (algName);
}
protected Aes ()
{
KeySizeValue = 256;
BlockSizeValue = 128;
#if !NET_2_1
// Silverlight 2.0 only supports CBC mode (i.e. no feedback)
FeedbackSizeValue = 128;
#endif
LegalKeySizesValue = new KeySizes [1];
LegalKeySizesValue [0] = new KeySizes (128, 256, 64);
LegalBlockSizesValue = new KeySizes [1];
LegalBlockSizesValue [0] = new KeySizes (128, 128, 0);
}
}
}
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