/// <summary>
/// 获取使用TripleDES解密后的Cookie
/// </summary>
/// <param name="key"></param>
/// <returns></returns>
public static String GetTripleDESEncryptedCookieValue(String key)
{
key = EncryptString.EncryptTripleDES(key);
String valueString = GetCookieValue(key);
valueString = EncryptString.DecryptTripleDES(valueString);
return(valueString);
}
/// <summary>
/// 设置使用TripleDES加密后的Cookie，并设置Cookie的有效时间
/// </summary>
/// <param name="key"></param>
/// <param name="valueString"></param>
/// <param name="expires"></param>
public static void SetTripleDESEncryptedCookie(String key, String valueString, DateTime expires)
{
key = EncryptString.EncryptTripleDES(key);
valueString = EncryptString.EncryptTripleDES(valueString);
SetCookie(key, valueString, expires);
}