MalwareSourceCode/MSIL/Trojan-Downloader/Win32/D/Trojan-Downloader.Win32.Dapato.lnz-b8c384980c9f22185c34463ff696eecea0ea8f5afe9bfe8909d6e74753ffabcd/SmartAssembly/Zip/DESCryptoIndirector.cs

// Decompiled with JetBrains decompiler
// Type: SmartAssembly.Zip.DESCryptoIndirector
// Assembly: Java Update, Version=1.0.0.0, Culture=neutral, PublicKeyToken=null
// MVID: 9303C6B7-A9B1-42D1-950C-FCE2C64C3FE0
// Assembly location: C:\Users\Administrateur\Downloads\Virusshare.00004-msil\Trojan-Downloader.Win32.Dapato.lnz-b8c384980c9f22185c34463ff696eecea0ea8f5afe9bfe8909d6e74753ffabcd.exe

using System;
using System.Reflection;
using System.Security.Cryptography;

namespace SmartAssembly.Zip
{
  public sealed class DESCryptoIndirector : IDisposable
  {
    private readonly Type m_DcspType;
    private readonly object m_DESCryptoServiceProvider;

    public DESCryptoIndirector()
    {
      this.m_DcspType = Assembly.Load("mscorlib").GetType("System.Security.Cryptography.DESCryptoServiceProvider");
      this.m_DESCryptoServiceProvider = Activator.CreateInstance(this.m_DcspType);
    }

    public ICryptoTransform GetDESCryptoTransform(
      byte[] key,
      byte[] iv,
      bool decrypt)
    {
      this.m_DcspType.GetProperty("Key").GetSetMethod().Invoke(this.m_DESCryptoServiceProvider, new object[1]
      {
        (object) key
      });
      this.m_DcspType.GetProperty("IV").GetSetMethod().Invoke(this.m_DESCryptoServiceProvider, new object[1]
      {
        (object) iv
      });
      return (ICryptoTransform) this.m_DcspType.GetMethod(decrypt ? "CreateDecryptor" : "CreateEncryptor", new Type[0]).Invoke(this.m_DESCryptoServiceProvider, new object[0]);
    }

    public void Clear() => this.m_DcspType.GetMethod(nameof (Clear)).Invoke(this.m_DESCryptoServiceProvider, new object[0]);

    public void Dispose() => this.Clear();
  }
}