/// <summary>
/// 校验License
/// </summary>
/// <param name="license"></param>
static LicenseData ValidateLicense(string license)
{
if (string.IsNullOrEmpty(license))
{
throw new LicenseException("License不可为空", 0);
}
var rsaProvider = new System.Security.Cryptography.RSACryptoServiceProvider();
rsaProvider.FromXmlString(_publicKey);
var licenseDataStr = rsaProvider.DecryptUsePublic(license);//sample: hwId={string},ed={yyyy-MM-dd};
if (string.IsNullOrEmpty(licenseDataStr))
{
throw new LicenseException("无效License, errorCode=1", 1);
}
var licenseData = licenseDataStr.Split(',');
if (licenseData.Length != 3)
{
throw new LicenseException("无效License, errorCode=2", 2);
}
if (licenseData[0].Length < 4)//第1组数据SN，前3位为sn=,如果小于4位数据不正确，sn格式为XXXX-XXXX-XXXX-XXXX。
{
throw new LicenseException("无效License, errorCode=3", 3);
}
if (licenseData[1].Length < 6)//第2组数据为硬件ID，前5位为hwId=，如果小于6位表示数据不正确。
{
throw new LicenseException("无效License, errorCode=4", 4);
}
if (licenseData[2].Length < 4)//第3组数据为过期时间,前3位为ed=，如果小于4位表示数据不正确。
{
throw new LicenseException("无效License, errorCode=5", 5);
}
var sn = licenseData[0].Substring(3);
var hwId = licenseData[1].Substring(5);
var localHardwareId = HardwareInfo.GetHardwareId();
if (!localHardwareId.Equals(hwId, StringComparison.OrdinalIgnoreCase))
{
throw new LicenseException("无效License, errorCode=4,1", 41);
}
var ed = licenseData[2].Substring(3);
var expiredDate = DateTime.Parse(ed);
if (expiredDate < DateTime.Today)
{
throw new LicenseException("无效License, errorCode=5,1", 51);
}
return(new LicenseData {
SerialNumber = sn, HardwareId = hwId, ExpiredDate = expiredDate
});
}
