代码
//
加密 Cookies
Response.Cookies[ " askCRM " ][ " USERID " ] = Tools.Encrypt(strUserName.Trim(), Tools.myKey);
// 解密
string strUid = Request.Cookies[ " askCRM " ][ " USERID " ];
strUid = Tools.Decrypt(strUid, Tools.myKey);
加密解密 掉用的方法
using System;
using System.Data;
using System.Configuration;
using System.Web;
using System.Web.Security;
using System.Web.UI;
using System.Web.UI.WebControls;
using System.Web.UI.WebControls.WebParts;
using System.Web.UI.HtmlControls;
using System.Security.Cryptography;
using System.IO;
using System.Text;
/// <summary>
/// Tools 的摘要说明
/// </summary>
public class Tools
{
/// <summary>
/// 当前程序加密所使用的密钥
/// </summary>
public static readonly string myKey = " q0m3sd8l " ;
#region 加密方法
/// <summary>
/// 加密方法
/// </summary>
/// <param name="pToEncrypt"> 需要加密字符串 </param>
/// <param name="sKey"> 密钥 </param>
/// <returns> 加密后的字符串 </returns>
public static string Encrypt( string pToEncrypt, string sKey)
{
try
{
DESCryptoServiceProvider des = new DESCryptoServiceProvider();
// 把字符串放到byte数组中
// 原来使用的UTF8编码,我改成Unicode编码了,不行
byte [] inputByteArray = Encoding.Default.GetBytes(pToEncrypt);
// 建立加密对象的密钥和偏移量
// 使得输入密码必须输入英文文本
des.Key = ASCIIEncoding.ASCII.GetBytes(sKey);
des.IV = ASCIIEncoding.ASCII.GetBytes(sKey);
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();
}
catch (Exception ex)
{
JS.Alert( " 写入配置信息失败,详细信息: " + ex.Message.Replace( " \r\n " , "" ).Replace( " ' " , "" ));
}
return "" ;
}
#endregion
#region 解密方法
/// <summary>
/// 解密方法
/// </summary>
/// <param name="pToDecrypt"> 需要解密的字符串 </param>
/// <param name="sKey"> 密匙 </param>
/// <returns> 解密后的字符串 </returns>
public static string Decrypt( string pToDecrypt, string sKey)
{
try
{
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;
}
// 建立加密对象的密钥和偏移量,此值重要,不能修改
des.Key = ASCIIEncoding.ASCII.GetBytes(sKey);
des.IV = ASCIIEncoding.ASCII.GetBytes(sKey);
MemoryStream ms = new MemoryStream();
CryptoStream cs = new CryptoStream(ms, des.CreateDecryptor(), CryptoStreamMode.Write);
cs.Write(inputByteArray, 0 , inputByteArray.Length);
cs.FlushFinalBlock();
// 建立StringBuild对象,CreateDecrypt使用的是流对象,必须把解密后的文本变成流对象
StringBuilder ret = new StringBuilder();
return System.Text.Encoding.Default.GetString(ms.ToArray());
}
catch (Exception ex)
{
JS.Alert( " 读取配置信息失败,详细信息: " + ex.Message.Replace( " \r\n " , "" ).Replace( " ' " , "" ));
}
return "" ;
}
#endregion
}
Response.Cookies[ " askCRM " ][ " USERID " ] = Tools.Encrypt(strUserName.Trim(), Tools.myKey);
// 解密
string strUid = Request.Cookies[ " askCRM " ][ " USERID " ];
strUid = Tools.Decrypt(strUid, Tools.myKey);
加密解密 掉用的方法
using System;
using System.Data;
using System.Configuration;
using System.Web;
using System.Web.Security;
using System.Web.UI;
using System.Web.UI.WebControls;
using System.Web.UI.WebControls.WebParts;
using System.Web.UI.HtmlControls;
using System.Security.Cryptography;
using System.IO;
using System.Text;
/// <summary>
/// Tools 的摘要说明
/// </summary>
public class Tools
{
/// <summary>
/// 当前程序加密所使用的密钥
/// </summary>
public static readonly string myKey = " q0m3sd8l " ;
#region 加密方法
/// <summary>
/// 加密方法
/// </summary>
/// <param name="pToEncrypt"> 需要加密字符串 </param>
/// <param name="sKey"> 密钥 </param>
/// <returns> 加密后的字符串 </returns>
public static string Encrypt( string pToEncrypt, string sKey)
{
try
{
DESCryptoServiceProvider des = new DESCryptoServiceProvider();
// 把字符串放到byte数组中
// 原来使用的UTF8编码,我改成Unicode编码了,不行
byte [] inputByteArray = Encoding.Default.GetBytes(pToEncrypt);
// 建立加密对象的密钥和偏移量
// 使得输入密码必须输入英文文本
des.Key = ASCIIEncoding.ASCII.GetBytes(sKey);
des.IV = ASCIIEncoding.ASCII.GetBytes(sKey);
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();
}
catch (Exception ex)
{
JS.Alert( " 写入配置信息失败,详细信息: " + ex.Message.Replace( " \r\n " , "" ).Replace( " ' " , "" ));
}
return "" ;
}
#endregion
#region 解密方法
/// <summary>
/// 解密方法
/// </summary>
/// <param name="pToDecrypt"> 需要解密的字符串 </param>
/// <param name="sKey"> 密匙 </param>
/// <returns> 解密后的字符串 </returns>
public static string Decrypt( string pToDecrypt, string sKey)
{
try
{
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;
}
// 建立加密对象的密钥和偏移量,此值重要,不能修改
des.Key = ASCIIEncoding.ASCII.GetBytes(sKey);
des.IV = ASCIIEncoding.ASCII.GetBytes(sKey);
MemoryStream ms = new MemoryStream();
CryptoStream cs = new CryptoStream(ms, des.CreateDecryptor(), CryptoStreamMode.Write);
cs.Write(inputByteArray, 0 , inputByteArray.Length);
cs.FlushFinalBlock();
// 建立StringBuild对象,CreateDecrypt使用的是流对象,必须把解密后的文本变成流对象
StringBuilder ret = new StringBuilder();
return System.Text.Encoding.Default.GetString(ms.ToArray());
}
catch (Exception ex)
{
JS.Alert( " 读取配置信息失败,详细信息: " + ex.Message.Replace( " \r\n " , "" ).Replace( " ' " , "" ));
}
return "" ;
}
#endregion
}