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// Licensed to the .NET Foundation under one or more agreements.
// The .NET Foundation licenses this file to you under the MIT license.
// See the LICENSE file in the project root for more information.
/*============================================================
**
**
**
**
**
** Purpose: Encapsulate access to a public/private key pair
** used to sign strong name assemblies.
**
**
===========================================================*/
namespace System.Reflection
{
using System;
using System.IO;
using System.Runtime.CompilerServices;
using System.Runtime.ConstrainedExecution;
using System.Runtime.InteropServices;
using System.Runtime.Serialization;
using System.Security;
using System.Security.Permissions;
using System.Runtime.Versioning;
using Microsoft.Win32;
using System.Diagnostics.Contracts;
[Serializable]
[System.Runtime.InteropServices.ComVisible(true)]
public class StrongNameKeyPair : IDeserializationCallback, ISerializable
{
private bool _keyPairExported;
private byte[] _keyPairArray;
private String _keyPairContainer;
private byte[] _publicKey;
// Build key pair from file.
public StrongNameKeyPair(FileStream keyPairFile)
{
if (keyPairFile == null)
throw new ArgumentNullException(nameof(keyPairFile));
Contract.EndContractBlock();
int length = (int)keyPairFile.Length;
_keyPairArray = new byte[length];
keyPairFile.Read(_keyPairArray, 0, length);
_keyPairExported = true;
}
// Build key pair from byte array in memory.
public StrongNameKeyPair(byte[] keyPairArray)
{
if (keyPairArray == null)
throw new ArgumentNullException(nameof(keyPairArray));
Contract.EndContractBlock();
_keyPairArray = new byte[keyPairArray.Length];
Array.Copy(keyPairArray, _keyPairArray, keyPairArray.Length);
_keyPairExported = true;
}
protected StrongNameKeyPair (SerializationInfo info, StreamingContext context) {
_keyPairExported = (bool) info.GetValue("_keyPairExported", typeof(bool));
_keyPairArray = (byte[]) info.GetValue("_keyPairArray", typeof(byte[]));
_keyPairContainer = (string) info.GetValue("_keyPairContainer", typeof(string));
_publicKey = (byte[]) info.GetValue("_publicKey", typeof(byte[]));
}
public StrongNameKeyPair(String keyPairContainer)
{
throw new PlatformNotSupportedException();
}
public byte[] PublicKey
{
get
{
throw new PlatformNotSupportedException();
}
}
/// <internalonly/>
void ISerializable.GetObjectData (SerializationInfo info, StreamingContext context) {
info.AddValue("_keyPairExported", _keyPairExported);
info.AddValue("_keyPairArray", _keyPairArray);
info.AddValue("_keyPairContainer", _keyPairContainer);
info.AddValue("_publicKey", _publicKey);
}
/// <internalonly/>
void IDeserializationCallback.OnDeserialization (Object sender) {}
}
}
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