Jo Shields a575963da9 Imported Upstream version 3.6.0
Former-commit-id: da6be194a6b1221998fc28233f2503bd61dd9d14
2014-08-13 10:39:27 +01:00

89 lines
3.2 KiB
C#

//
// 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.
//
// Since 4.0 (both FX and SL) this type is defined in mscorlib - before 4.0 it was in System.Core.dll
#if (INSIDE_CORLIB && (NET_4_0)) || (!INSIDE_CORLIB && !NET_4_0 && !MOBILE)
using System.Runtime.CompilerServices;
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
#if INSIDE_CORLIB
// since 4.0 (both FX and SL) this type now resides inside mscorlib.dll and link back to System.Core.dll
#if MOBILE
// version has not changed between SL3 (System.Core) and SL4
[TypeForwardedFrom (Consts.AssemblySystem_Core)]
#elif NET_4_0
// use 3.5 version
[TypeForwardedFrom ("System.Core, Version=3.5.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089")]
#endif
#endif
public abstract class Aes : SymmetricAlgorithm {
public static new Aes Create ()
{
#if FULL_AOT_RUNTIME
// The Aes base class was moved from System.Core to mscorlib - so we can't just return a new AesCryptoServiceProvider instance
// note: the linker is aware of this condition
return (Aes) Activator.CreateInstance (Type.GetType ("System.Security.Cryptography.AesManaged, " + Consts.AssemblySystem_Core));
#else
return Create ("System.Security.Cryptography.AesCryptoServiceProvider, " + Consts.AssemblySystem_Core);
#endif
}
public static new Aes Create (string algorithmName)
{
return (Aes) CryptoConfig.CreateFromName (algorithmName);
}
protected Aes ()
{
KeySizeValue = 256;
BlockSizeValue = 128;
FeedbackSizeValue = 128;
LegalKeySizesValue = new KeySizes [1];
LegalKeySizesValue [0] = new KeySizes (128, 256, 64);
LegalBlockSizesValue = new KeySizes [1];
LegalBlockSizesValue [0] = new KeySizes (128, 128, 0);
}
}
}
#endif