static public bool CheckRegist(out string endTime)
{
string computer = ComputerInfo.GetComputerInfo();
string encryptComputer = new EncryptionHelper().EncryptString(computer);
RegistFileHelper.WriteComputerInfoFile(encryptComputer);
return(CheckRegist(encryptComputer, out endTime));
}
static private bool CheckRegistData(string key, out string endTime)
{
endTime = "";
if (RegistFileHelper.ExistRegistInfofile() == false)
{
return(false);
}
else
{
string info = RegistFileHelper.ReadRegistFile();
var helper = new EncryptionHelper(EncryptionKeyEnum.KeyB);
string registData = helper.DecryptString(info);
string _info = helper.MD5Decrypt(registData);
//还原info
_info = new EncryptionHelper().DecryptString(_info);
string _registData = _info.Split(new string[] { "0XDDFF2B" }, StringSplitOptions.RemoveEmptyEntries)[0];
endTime = _info.Split(new string[] { "0XDDFF2B" }, StringSplitOptions.RemoveEmptyEntries)[1];
registData = new EncryptionHelper().EncryptString(_registData);
registData = helper.MD5Encrypt(registData);
//时间比较
DateTime dtEnd = Convert.ToDateTime(endTime);
if (DateTime.Compare(DateTime.Now, dtEnd) > 0)
{
//过期
return(false);
}
if (key == registData)
{
return(true);
}
else
{
return(false);
}
}
}
