69 lines
2.0 KiB
C#
69 lines
2.0 KiB
C#
//
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// MD4.cs - Message Digest 4 Abstract class
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//
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// Author:
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// Sebastien Pouliot (sebastien@xamarin.com)
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//
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// (C) 2003 Motus Technologies Inc. (http://www.motus.com)
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// Copyright 2013 Xamarin Inc. (http://www.xamarin.com)
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//
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//
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// Permission is hereby granted, free of charge, to any person obtaining
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// a copy of this software and associated documentation files (the
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// "Software"), to deal in the Software without restriction, including
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// without limitation the rights to use, copy, modify, merge, publish,
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// distribute, sublicense, and/or sell copies of the Software, and to
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// permit persons to whom the Software is furnished to do so, subject to
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// the following conditions:
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//
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// The above copyright notice and this permission notice shall be
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// included in all copies or substantial portions of the Software.
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//
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// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
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// EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
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// NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
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// LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
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// OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
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// WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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//
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using System;
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using System.Security.Cryptography;
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namespace Mono.Security.Cryptography {
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#if !INSIDE_CORLIB
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public
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#endif
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abstract class MD4 : HashAlgorithm {
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protected MD4 ()
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{
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// MD4 hash length are 128 bits long
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HashSizeValue = 128;
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}
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public static new MD4 Create ()
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{
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#if FULL_AOT_RUNTIME
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return new MD4Managed ();
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#else
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// for this to work we must register ourself with CryptoConfig
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return Create ("MD4");
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#endif
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}
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public static new MD4 Create (string hashName)
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{
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object o = CryptoConfig.CreateFromName (hashName);
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// in case machine.config isn't configured to use any MD4 implementation
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if (o == null) {
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o = new MD4Managed ();
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}
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return (MD4) o;
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}
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}
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}
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