2 // System.Security.Cryptography.Aes.cs
3 // based on mcs/class/corlib/System.Security.Cryptography/Rijndael.cs
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6 // Dan Lewis (dihlewis@yahoo.co.uk)
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7 // Andrew Birkett (andy@nobugs.org)
8 // Sebastien Pouliot <sebastien@ximian.com>
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11 // Copyright (C) 2004-2006,2008 Novell, Inc (http://www.novell.com)
13 // Permission is hereby granted, free of charge, to any person obtaining
14 // a copy of this software and associated documentation files (the
15 // "Software"), to deal in the Software without restriction, including
16 // without limitation the rights to use, copy, modify, merge, publish,
17 // distribute, sublicense, and/or sell copies of the Software, and to
18 // permit persons to whom the Software is furnished to do so, subject to
19 // the following conditions:
21 // The above copyright notice and this permission notice shall be
22 // included in all copies or substantial portions of the Software.
24 // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
25 // EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
26 // MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
27 // NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
28 // LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
29 // OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
30 // WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
33 // Since 4.0 (both FX and SL) this type is defined in mscorlib - before 4.0 it was in System.Core.dll
34 #if (INSIDE_CORLIB && (NET_4_0 || BOOTSTRAP_NET_4_0 || MOONLIGHT)) || (!INSIDE_CORLIB && !NET_4_0 && !BOOTSTRAP_NET_4_0 && !MOONLIGHT)
36 using System.Runtime.CompilerServices;
37 using System.Runtime.InteropServices;
39 namespace System.Security.Cryptography {
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42 // a. FIPS PUB 197: Advanced Encryption Standard
43 // http://csrc.nist.gov/publications/fips/fips197/fips-197.pdf
46 // since 4.0 (both FX and SL) this type now resides inside mscorlib.dll and link back to System.Core.dll
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48 // version has not changed between SL3 (System.Core) and SL4
49 [TypeForwardedFrom (Consts.AssemblySystem_Core)]
50 #elif NET_4_0 || BOOTSTRAP_NET_4_0
52 [TypeForwardedFrom ("System.Core, Version=3.5.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089")]
55 public abstract class Aes : SymmetricAlgorithm {
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57 public static new Aes Create ()
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59 return Create ("System.Security.Cryptography.AesManaged, " + Consts.AssemblySystem_Core);
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62 public static new Aes Create (string algName)
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64 return (Aes) CryptoConfig.CreateFromName (algName);
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72 // Silverlight 2.0 only supports CBC mode (i.e. no feedback)
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73 FeedbackSizeValue = 128;
75 LegalKeySizesValue = new KeySizes [1];
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76 LegalKeySizesValue [0] = new KeySizes (128, 256, 64);
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78 LegalBlockSizesValue = new KeySizes [1];
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79 LegalBlockSizesValue [0] = new KeySizes (128, 128, 0);
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