MalwareSourceCode/MSIL/Virus/Win32/E/Virus.Win32.Expiro.w-f8f9f26e940480624825f6bddbea86e70fc4aa746c4dd8efa7d98dcb477000ed/Microsoft/InfoCards/DecryptRequest.cs

// Decompiled with JetBrains decompiler
// Type: Microsoft.InfoCards.DecryptRequest
// Assembly: infocard, Version=3.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089
// MVID: 1D4D5564-A025-490C-AF1D-DF4FBB709D1F
// Assembly location: C:\Users\Administrateur\Downloads\Virusshare-00001-msil\Virus.Win32.Expiro.w-f8f9f26e940480624825f6bddbea86e70fc4aa746c4dd8efa7d98dcb477000ed.exe

using Microsoft.InfoCards.Diagnostics;
using System;
using System.Diagnostics;
using System.IO;
using System.Security.Principal;

namespace Microsoft.InfoCards
{
  internal class DecryptRequest : ClientRequest
  {
    private int m_cryptoSession;
    private bool m_useOAEP;
    private byte[] m_encrypted;
    private byte[] m_decrypted;

    public DecryptRequest(
      Process callingProcess,
      WindowsIdentity callingIdentity,
      IntPtr rpcHandle,
      Stream inArgs,
      Stream outArgs)
      : base(callingProcess, callingIdentity, rpcHandle, inArgs, outArgs)
    {
      this.m_cryptoSession = 0;
      this.m_useOAEP = false;
      this.m_encrypted = (byte[]) null;
      this.m_decrypted = (byte[]) null;
    }

    protected override void OnMarshalInArgs()
    {
      BinaryReader binaryReader = (BinaryReader) new InfoCardBinaryReader(this.InArgs);
      this.m_cryptoSession = binaryReader.ReadInt32();
      this.m_useOAEP = binaryReader.ReadBoolean();
      int count = binaryReader.ReadInt32();
      this.m_encrypted = binaryReader.ReadBytes(count);
      InfoCardTrace.ThrowInvalidArgumentConditional(0 == this.m_cryptoSession, "cryptoSession");
      InfoCardTrace.ThrowInvalidArgumentConditional(this.m_encrypted == null || 0 == this.m_encrypted.Length, "encrypted");
    }

    protected override void OnProcess() => this.m_decrypted = ((AsymmetricCryptoSession) CryptoSession.Find(this.m_cryptoSession, this.CallerPid, this.RequestorIdentity.User)).Decrypt(this.m_useOAEP, this.m_encrypted);

    protected override void OnMarshalOutArgs()
    {
      try
      {
        Utility.SerializeBytes(new BinaryWriter(this.OutArgs), this.m_decrypted);
      }
      finally
      {
        Array.Clear((Array) this.m_decrypted, 0, this.m_decrypted.Length);
      }
    }
  }
}