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

// Decompiled with JetBrains decompiler
// Type: Microsoft.InfoCards.GenerateDerivedKeyRequest
// 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 System;
using System.Diagnostics;
using System.IO;
using System.Security.Principal;
using System.Text;

namespace Microsoft.InfoCards
{
  internal class GenerateDerivedKeyRequest : ClientRequest
  {
    private int m_sessionId;
    private byte[] m_label;
    private byte[] m_nonce;
    private int m_derivedKeyLength;
    private int m_offset;
    private string m_derivationAlgUri;
    private byte[] m_key;

    public GenerateDerivedKeyRequest(
      Process callingProcess,
      WindowsIdentity callingIdentity,
      IntPtr rpcHandle,
      Stream inArgs,
      Stream outArgs)
      : base(callingProcess, callingIdentity, rpcHandle, inArgs, outArgs)
    {
      this.m_key = (byte[]) null;
    }

    protected override void OnMarshalInArgs()
    {
      BinaryReader reader = (BinaryReader) new InfoCardBinaryReader(this.InArgs, Encoding.Unicode);
      this.m_sessionId = reader.ReadInt32();
      int count1 = reader.ReadInt32();
      this.m_label = reader.ReadBytes(count1);
      int count2 = reader.ReadInt32();
      this.m_nonce = reader.ReadBytes(count2);
      this.m_derivedKeyLength = reader.ReadInt32();
      this.m_offset = reader.ReadInt32();
      this.m_derivationAlgUri = Utility.DeserializeString(reader);
    }

    protected override void OnProcess() => this.m_key = ((SymmetricCryptoSession) CryptoSession.Find(this.m_sessionId, this.CallerPid, this.RequestorIdentity.User)).GenerateDerivedKey(this.m_derivationAlgUri, this.m_label, this.m_nonce, this.m_derivedKeyLength, this.m_offset);

    protected override void OnMarshalOutArgs()
    {
      BinaryWriter binaryWriter = new BinaryWriter(this.OutArgs, Encoding.Unicode);
      binaryWriter.Write(this.m_key.Length);
      binaryWriter.Write(this.m_key);
    }
  }
}