des加密算法

using System;
using System.Security.Cryptography;
using System.IO;

namespace DES_DES
{ ///参考：http://
  /// <summary>   
  /// CDESEncrypt 的摘要说明。使用标准64位DES加密   
  /// </summary>   
  public class CDES
  {
  private byte[] FIV;
  private byte[] FKEY;
  public CDES()
  {
  // TODO: 在此处添加构造函数逻辑   
  this.DefaultInit();
  }
  /// <summary>   
  /// 默认键值和初始向量   
  /// </summary>   
  private void DefaultInit()
  {
  byte[] IV = { 155, 103, 246, 8, 36, 99, 234, 36 };
  byte[] key ={ 142, 16, 93, 156, 78, 4, 218, 132 };
  FIV = IV;
  FKEY = key;
  }
  /// <summary>   
  /// 采用标准 64位 DES 算法加密