private void _txtVaild_TextChanged(object sender, EventArgs e)
{
return;
_txtExpiredDate.Text = string.Empty;
ExpiredDatetime = DateTime.MinValue;
var decodedString = string.Empty;
try
{
decodedString = DesUtil.Decrypt(_txtVaild.Text);
}
catch
{
//do nothing
}
if (string.IsNullOrEmpty(decodedString))
{
return;
}
try
{
if (VerificationConfig.GetSoftEndDateAllCpuId(1, decodedString) ==
VerificationConfig.GetCpuIdHashedString())
{
//vaild cpuid
ExpiredDatetime = DateTime.ParseExact(VerificationConfig.GetSoftEndDateAllCpuId(0, decodedString), "yyyyMMdd", CultureInfo.CurrentCulture, DateTimeStyles.None);
_txtExpiredDate.Text = ExpiredDatetime.ToString("yyyy MMMM dd");
}
}
catch
{
//do nothing
}
}
public static string GetEncryptedSerialNumber(string yyyyMMddDate, string customCpuidHashedString = "")
{
return(DesUtil.Encrypt(GetSerialNumber(yyyyMMddDate, customCpuidHashedString)));
}
