2 // System.Security.Cryptography.MD5.cs
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5 // Matthew S. Ford (Matthew.S.Ford@Rose-Hulman.Edu)
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6 // Sebastien Pouliot (sebastien@ximian.com)
8 // Copyright 2001 by Matthew S. Ford.
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9 // Portions (C) 2002 Motus Technologies Inc. (http://www.motus.com)
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10 // Copyright (C) 2004-2005 Novell, Inc (http://www.novell.com)
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:
20 // The above copyright notice and this permission notice shall be
21 // included in all copies or substantial portions of the Software.
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.
32 using System.Runtime.InteropServices;
34 namespace System.Security.Cryptography {
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37 public abstract class MD5 : HashAlgorithm {
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39 // Why is it protected when others abstract hash classes are public ?
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42 HashSizeValue = 128;
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45 public static new MD5 Create ()
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48 return new System.Security.Cryptography.MD5CryptoServiceProvider ();
50 return Create ("System.Security.Cryptography.MD5");
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54 public static new MD5 Create (string algName)
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56 return (MD5) CryptoConfig.CreateFromName (algName);
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