/// <summary> 检查注册.</summary>
/// <remarks> windawings, 11/30/2015.</remarks>
/// <returns> 是否注册成功.</returns>
public bool CheckRegisterAgain()
{
try
{
if (!string.IsNullOrEmpty(Info.Register) && !string.IsNullOrEmpty(Info.SerialNumber))
{
var time =
Convert.ToInt64((new FileInfo(DataName).CreationTime - StartTime).TotalMilliseconds).ToString();
//验证激活码
if (time.Equals(Info.FileDate) && VerifyData(Info.Register, Info.SerialNumber))
{
var info =
(FormRegister.RegisterInfo)
JsonConvert.DeserializeObject(
ClassEncrypt.Decrypt(Convert.FromBase64String(Info.Register)),
typeof(FormRegister.RegisterInfo));
CurrentUserId = info.UserCode;
return(true);
}
}
return(false);
}
catch (Exception)
{
return(false);
}
}
public FormRegister(ClassRegister register, bool login)
{
if (login)
{
InitializeComponent();
Register = register;
//获取已注册学号信息
if (String.IsNullOrEmpty(Register.CurrentUserId))
{
_textBoxStuNo.Text = Register.Info.Sno;
}
else
{
_textBoxStuNo.Text = Register.CurrentUserId;
}
//获取机器码
if (String.IsNullOrEmpty(Register.Info.Register) == false)
{
var plainStr = ClassEncrypt.Decrypt(Convert.FromBase64String(Register.Info.Register));
var jsonObject = (RegisterInfo)JsonConvert.DeserializeObject(plainStr, typeof(RegisterInfo));
if (jsonObject.UserCode.Equals(Register.Info.Sno))
{
_textBoxSerialNumber.Text = Register.Info.Register;
//获取激活码
if (Register.Info.IsRegistered)
{
_textBoxSinature.Text = Register.Info.SerialNumber;
_textBoxSinature.ReadOnly = true;
_labelTimeLeftValue.Text = Register.Info.TimeLeft + " 秒";
}
}
else
{
_buttonCancel.Enabled = false;
}
}
}
else
{
MessageBox.Show("请先完成网页登陆!");
Dispose();
}
}
/// <summary> 使用公钥验证签名.</summary>
/// <remarks> Windawings, 11/25/2015.</remarks>
/// <param name="originalDataStr"> The signature string.</param>
/// <param name="dataStr"> The serial number string.</param>
/// <returns> true if it succeeds, false if it fails.</returns>
public static bool VerifyData(string originalDataStr, string dataStr)
{
try
{
var orginalDataBytes = Encoding.UTF8.GetBytes(originalDataStr);
var signJsonStr = ClassEncrypt.Decrypt(Convert.FromBase64String(dataStr));
var signParam =
(SignatureParameters)JsonConvert.DeserializeObject(signJsonStr, typeof(SignatureParameters));
return(EcDsaSigner.VerifySignature(
orginalDataBytes,
new BigInteger(signParam.R),
new BigInteger(signParam.S)
));
}
catch (Exception ex)
{
return(false);
}
}