private void button1_Click(object sender, EventArgs e)
{
//LicenseHelper.GenKey();
LicenseHelper.GetPriKey();
string guid = LicenseHelper.GetCpuId();
string license = DateTime.Now.Date.ToString("yyyy-MM-dd") + LicenseHelper.GenLicense(guid);
txtBoxLicense.Text = FileHelper.Encrypt(license, guid.Substring(0, 8));
FileHelper.WriteToTextFile(txtBoxLicense.Text, "license.dat");
}
private void button2_Click(object sender, EventArgs e)
{
string licenseCode = FileHelper.Decrypt(FileHelper.ReadTextFile("License.dat"), LicenseHelper.GetCpuId().Substring(0, 8));
richTextBox3.Text = licenseCode;
LicenseHelper.GetPubKey();
if (true == LicenseHelper.CheckLicense(licenseCode.Substring(10, licenseCode.Length - 10), LicenseHelper.GetCpuId()))
{
MessageBox.Show("正确");
}
else
{
MessageBox.Show("errro");
}
}
private void btnLinceseCheck_Click(object sender, EventArgs e)
{
string licenseInfo = txtBoxLicense.Text;
if (licenseInfo.Length < 30)
{
licenseInfo = FileHelper.Decrypt(licenseInfo);
richTextBox2.Text = licenseInfo;
}
else
{
licenseInfo = FileHelper.Decrypt(licenseInfo, textBoxGuid.Text.Substring(0, 8));
richTextBox2.Text = licenseInfo;
}
string date = licenseInfo.Substring(0, 10);
string license = licenseInfo.Substring(10, licenseInfo.Length - 10);
if (string.IsNullOrEmpty(license))
{
if (date == "0000-00-00")
{
MessageBox.Show(string.Format("验证通过， 有效期为:{0}", "永久有效"), "提示信息", MessageBoxButtons.OK);
}
else
{
MessageBox.Show(string.Format("验证通过， 有效期为:{0}", date), "提示信息", MessageBoxButtons.OK);
}
}
else
{
LicenseHelper.GetPubKey();
if (true == LicenseHelper.CheckLicense(license, textBoxGuid.Text))
{
MessageBox.Show(string.Format("验证通过， 有效期为:{0}", date), "提示信息", MessageBoxButtons.OK);
}
else
{
MessageBox.Show("验证失败");
}
}
}
private void btnGenLicense_Click(object sender, EventArgs e)
{
int days = 0;
if (string.IsNullOrEmpty(textBoxGuid.Text))
{
if (DialogResult.No == MessageBox.Show("请输入电脑标识是否按照有效天数生成授权信息？", "提示信息", MessageBoxButtons.YesNo))
{
return;
}
}
else
{
if (textBoxGuid.Text.Length < 8)
{
MessageBox.Show("电脑标识必须是大于等于8位的字符串");
textBoxGuid.Focus();
return;
}
}
try
{
days = Convert.ToInt32(textBoxValid.Text);
}
catch
{
MessageBox.Show("有效使用天数输入不正确,请重新输入!", "错误信息", MessageBoxButtons.OK);
textBoxValid.Focus();
return;
}
LicenseHelper.GetPriKey();
string guid = textBoxGuid.Text;
if (string.IsNullOrEmpty(guid))
{
string license;
if ("0" == textBoxValid.Text)
{
license = "0000-00-00";
}
else
{
license = (DateTime.Now.Date.AddDays(days)).ToString("yyyy-MM-dd");
}
txtBoxLicense.Text = FileHelper.Encrypt(license);
}
else
{
string license;
if ("0" == textBoxValid.Text)
{
license = "0000-00-00";
}
else
{
license = (DateTime.Now.Date.AddDays(days)).ToString("yyyy-MM-dd");
}
license = license + LicenseHelper.GenLicense(guid);
txtBoxLicense.Text = FileHelper.Encrypt(license, guid.Substring(0, 8));
}
FileHelper.WriteToTextFile(txtBoxLicense.Text, "License.dat");
}