/// <summary>
/// 解密加过密的字符串
/// </summary>
/// <param name="input"></param>
/// <param name="throwException">解密失败是否抛异常</param>
/// <returns></returns>
public static string DecryptString(string input, bool throwException)
{
string res = "";
try
{
res = input;// Base64.Decrypt(input);
if (MD5Util.ValidateValue(res))
{
return(MD5Util.RemoveMD5Profix(Base64Util.Decrypt(MD5Util.RemoveMD5Profix(res))));
}
else
{
throw new Exception("字符串无法转换成功！");
}
}
catch
{
if (throwException)
{
throw;
}
else
{
return("");
}
}
}
/// <summary>
/// 获取具有标准的Base64密码表的加密类
/// </summary>
/// <returns></returns>
public static Base64Util GetStandardBase64()
{
Base64Util b64 = new Base64Util();
b64.Pad = "=";
b64.CodeTable = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/";
return(b64);
}
/// <summary>
/// 检查用户的授权码
/// </summary>
/// <returns></returns>
public static LicenseCheckResult CheckLicense()
{
LicenseCheckResult result = new LicenseCheckResult();
string license = MyConstants.License;
if (!string.IsNullOrEmpty(license))
{
try
{
string decodeLicense = Base64Util.Decrypt(MD5Util.RemoveMD5Profix(license));
string[] strArray = decodeLicense.Split('|');
if (strArray.Length >= 4)
{
string componentType = strArray[0];
if (componentType.ToLower() == "whc.pager")
{
result.IsValided = true;
}
result.Username = strArray[1];
result.CompanyName = strArray[2];
try
{
result.DisplayCopyright = Convert.ToBoolean(strArray[3]);
}
catch
{
result.DisplayCopyright = true;
}
return(result);
#region 设置显示内容
//string displayText = string.Format("该组件已授权给：");
//if (!string.IsNullOrEmpty(LicenseResult.CompanyName))
//{
// displayText += string.Format("{0}", LicenseResult.CompanyName);
//}
//if (!string.IsNullOrEmpty(LicenseResult.Username))
//{
// displayText += string.Format(" ({0})", LicenseResult.Username);
//}
//this.tssLink.Text = displayText;
//this.tssLink.Visible = LicenseResult.DisplayCopyright;
#endregion
}
}
catch
{
}
}
return(result);
}
/// <summary>
/// 加密字符串
/// </summary>
/// <param name="input"></param>
/// <returns></returns>
public static string EncryptString(string input)
{
return(MD5Util.AddMD5Profix(Base64Util.Encrypt(MD5Util.AddMD5Profix(input))));
//return Base64.Encrypt(MD5.AddMD5Profix(Base64.Encrypt(input)));
}
