public static SoftVerifyData GetVerifyData(string soft)
{
RegistryKey key = Registry.LocalMachine;
RegistryKey software = key.OpenSubKey("software\\" + soft);
DESCrypto des = new DESCrypto();
string desstr = "";
if (software == null)//不存在
{
throw (new CryptographicException("系统关键数据丢失"));
// software = key.CreateSubKey("software\\" + soft);//首次运行
// desstr = des.EncryptString(DateTime.Now.ToString("yyyy-MM-dd"), "wfsoftvf", "verifyfd");
// software.SetValue("FirstTime", desstr);
// desstr = des.EncryptString(DateTime.Now.ToString("yyyy-MM-dd"), "wfsoftvf", "verifycd");
// software.SetValue("CurTime", desstr);
// desstr = des.EncryptString("0", "wfsoftvf", "verifyud");
// software.SetValue("UsedDays", desstr);
// desstr = des.EncryptString("0", "wfsoftvf", "verifyut");
// software.SetValue("UsedTimes", desstr);
}
SoftVerifyData ret = new SoftVerifyData();
desstr = software.GetValue("FirstTime").ToString();
ret.FirstTime = DateTime.Parse(des.DecryptString(desstr, "wfsoftvf", "verifyfd"));
desstr = software.GetValue("CurTime").ToString();
ret.CurTime = DateTime.Parse(des.DecryptString(desstr, "wfsoftvf", "verifycd"));
desstr = software.GetValue("UsedDays").ToString();
ret.UsedDays = Int32.Parse(des.DecryptString(desstr, "wfsoftvf", "verifyud"));
desstr = software.GetValue("UsedTimes").ToString();
ret.UsedTimes = Int32.Parse(des.DecryptString(desstr, "wfsoftvf", "verifyut"));
return(ret);
}
public static int SetVerifyData(string soft, SoftVerifyData svd)
{
RegistryKey key = Registry.LocalMachine;
RegistryKey software = key.OpenSubKey("software\\" + soft);
DESCrypto des = new DESCrypto();
string desstr = "";
if (software == null) //不存在
{
return(2); //缺少键值
}
software = key.CreateSubKey("software\\" + soft);
// desstr = des.EncryptString(svd.FirstTime.ToString("yyyy-MM-dd"), "wfsoftvf", "verifyfd");
// software.SetValue("FirstTime", desstr);
desstr = des.EncryptString(svd.CurTime.ToString("yyyy-MM-dd"), "wfsoftvf", "verifycd");
software.SetValue("CurTime", desstr);
desstr = des.EncryptString(svd.UsedDays.ToString(), "wfsoftvf", "verifyud");
software.SetValue("UsedDays", desstr);
desstr = des.EncryptString(svd.UsedTimes.ToString(), "wfsoftvf", "verifyut");
software.SetValue("UsedTimes", desstr);
return(1);
}
public static SoftVerifyData CheckVerifyData(string soft)
{
RegistryKey key = Registry.LocalMachine;
RegistryKey software = key.OpenSubKey("software\\" + soft);
DESCrypto des = new DESCrypto();
string desstr = "";
if (software == null)//不存在
{
return(null);
}
SoftVerifyData ret = new SoftVerifyData();
desstr = software.GetValue("FirstTime").ToString();
ret.FirstTime = DateTime.Parse(des.DecryptString(desstr, "wfsoftvf", "verifyfd"));
desstr = software.GetValue("CurTime").ToString();
ret.CurTime = DateTime.Parse(des.DecryptString(desstr, "wfsoftvf", "verifycd"));
desstr = software.GetValue("UsedDays").ToString();
ret.UsedDays = Int32.Parse(des.DecryptString(desstr, "wfsoftvf", "verifyud"));
desstr = software.GetValue("UsedTimes").ToString();
ret.UsedTimes = Int32.Parse(des.DecryptString(desstr, "wfsoftvf", "verifyut"));
return(ret);
}