using JGDJWeb.Model;using System;using System.Collections.Generic; using System.IO; using System.Linq; using System.Security.Cryptography; using System.Text; using System.Web; using System.Web.UI; using System.Web.UI.WebControls; using System.Xml; using System.Text.RegularExpressions; namespace JGDJWeb.Helper { public static class Encrypt { #region 加密解密方法 public static string Key = "DKMAB5DE";//加密密钥必须为8位 /// 
 /// 加密方法 /// 
 ///  /// 
     public static string MD5Encrypt(string pToEncrypt) { if (string.IsNullOrEmpty(pToEncrypt)) return ""; DESCryptoServiceProvider des = new DESCryptoServiceProvider(); byte[] inputByteArray = Encoding.Default.GetBytes(pToEncrypt); des.Key = ASCIIEncoding.ASCII.GetBytes(Key); des.IV = ASCIIEncoding.ASCII.GetBytes(Key); MemoryStream ms = new MemoryStream(); CryptoStream cs = new CryptoStream(ms, des.CreateEncryptor(), CryptoStreamMode.Write); cs.Write(inputByteArray, 0, inputByteArray.Length); cs.FlushFinalBlock(); StringBuilder ret = new StringBuilder(); foreach (byte b in ms.ToArray()) { ret.AppendFormat("{0:X2}", b); } ret.ToString(); return ret.ToString(); } /// 
 /// 解密算法 /// 
 ///  /// 
     public static string MD5Decrypt(string pToDecrypt) { DESCryptoServiceProvider des = new DESCryptoServiceProvider(); byte[] inputByteArray = new byte[pToDecrypt.Length / 2]; for (int x = 0; x < pToDecrypt.Length / 2; x++) { int i = (Convert.ToInt32(pToDecrypt.Substring(x * 2, 2), 16)); inputByteArray[x] = (byte)i; } des.Key = ASCIIEncoding.ASCII.GetBytes(Key); des.IV = ASCIIEncoding.ASCII.GetBytes(Key); MemoryStream ms = new MemoryStream(); CryptoStream cs = new CryptoStream(ms, des.CreateDecryptor(), CryptoStreamMode.Write); cs.Write(inputByteArray, 0, inputByteArray.Length); cs.FlushFinalBlock(); StringBuilder ret = new StringBuilder(); return System.Text.Encoding.ASCII.GetString(ms.ToArray()); } #endregion public static JY_Newss getNews(