зеркало из https://github.com/mono/ikvm-fork.git
58 строки
2.0 KiB
C#
58 строки
2.0 KiB
C#
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/*
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Copyright (C) 2008 Jeroen Frijters
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This software is provided 'as-is', without any express or implied
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warranty. In no event will the authors be held liable for any damages
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arising from the use of this software.
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Permission is granted to anyone to use this software for any purpose,
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including commercial applications, and to alter it and redistribute it
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freely, subject to the following restrictions:
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1. The origin of this software must not be misrepresented; you must not
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claim that you wrote the original software. If you use this software
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in a product, an acknowledgment in the product documentation would be
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appreciated but is not required.
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2. Altered source versions must be plainly marked as such, and must not be
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misrepresented as being the original software.
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3. This notice may not be removed or altered from any source distribution.
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Jeroen Frijters
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jeroen@frijters.net
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*/
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using System;
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using System.Collections.Generic;
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using System.Text;
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using System.Security.Cryptography;
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using System.Reflection;
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using System.Runtime.Serialization;
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namespace IKVM.Reflection.Emit.Impl
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{
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static class CryptoHack
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{
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internal static RSA CreateRSA(StrongNameKeyPair keyPair)
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{
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// HACK use serialization to get at the private key or key container name,
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// this should be more future proof than using reflection to access the fields directly.
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SerializationInfo ser = new SerializationInfo(typeof(StrongNameKeyPair), new FormatterConverter());
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((ISerializable)keyPair).GetObjectData(ser, new StreamingContext());
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byte[] key = (byte[])ser.GetValue("_keyPairArray", typeof(byte[]));
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string keycontainer = ser.GetString("_keyPairContainer");
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if (keycontainer != null)
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{
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CspParameters parm = new CspParameters();
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parm.Flags = CspProviderFlags.UseMachineKeyStore;
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parm.KeyContainerName = keycontainer;
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parm.KeyNumber = 2; // Signature
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return new RSACryptoServiceProvider(parm);
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}
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else
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{
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return Mono.Security.Cryptography.CryptoConvert.FromCapiKeyBlob(key);
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}
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}
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}
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}
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