85 lines
2.3 KiB
C#
85 lines
2.3 KiB
C#
//
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// System.Security.Cryptography.RandomNumberGenerator
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//
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// author:
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// Duco Fijma (duco@lorentz.xs4all.nl)
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//
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// (C) 2002 Duco Fijma
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// Copyright (C) 2004-2006 Novell, Inc (http://www.novell.com)
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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.Runtime.InteropServices;
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namespace System.Security.Cryptography {
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#if !NET_2_1
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[ComVisible (true)]
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#endif
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public abstract class RandomNumberGenerator
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#if NET_4_0
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: IDisposable
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#endif
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{
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protected RandomNumberGenerator ()
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{
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}
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public static RandomNumberGenerator Create ()
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{
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#if FULL_AOT_RUNTIME
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return new System.Security.Cryptography.RNGCryptoServiceProvider ();
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#else
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// create the default random number generator
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return Create ("System.Security.Cryptography.RandomNumberGenerator");
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#endif
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}
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public static RandomNumberGenerator Create (string rngName)
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{
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return (RandomNumberGenerator) (CryptoConfig.CreateFromName (rngName));
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}
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public abstract void GetBytes (byte[] data);
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#if NET_4_5
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public virtual void GetNonZeroBytes (byte[] data)
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{
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throw new NotImplementedException ();
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}
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#else
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public abstract void GetNonZeroBytes (byte[] data);
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#endif
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#if NET_4_0
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public void Dispose ()
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{
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Dispose (true);
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}
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protected virtual void Dispose (bool disposing)
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{}
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#endif
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}
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}
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