//Метод декриптования файла ключа
//Возвращает true или false в зависимости от того,
//совпал ли ключ в файле и входная строка
public bool DecodeKey(string inString, string path)
{
string decryptstring = null;
byte[] key = new byte[0x20];
for (int i = 0; i <= 0x1f; i++)
{
key[i] = 0x1f;
}
Rijndael.Key = key;
using (FileStream fs = File.Open(path, FileMode.Open))
{
//FileStream fs = new FileStream(path, FileMode.Open);
byte[] IV = new byte[Rijndael.IV.Length];
fs.Read(IV, 0, IV.Length);
Rijndael.IV = IV;
ICryptoTransform transformer = Rijndael.CreateDecryptor();
CryptoStream cs = new CryptoStream(fs, transformer, CryptoStreamMode.Read);
StreamReader sr = new StreamReader(cs, Encoding.UTF8);
decryptstring = sr.ReadToEnd();
CryptoClass crypto = new CryptoClass();
decryptstring = decryptstring.Substring(0, decryptstring.IndexOf("|"));
if (!(decryptstring == inString))
{
return(false);
}
else
{
return(true);
}
}
}
/// <summary>
///
/// </summary>
/// <returns></returns>
private static bool LicensyaCheck()
{
try
{
string keyfile = @"keyfile.dat";
string sysSyrialize = @"sysSyrialize.dat";
string curFile = !File.Exists(keyfile) ? !File.Exists(sysSyrialize) ? null : sysSyrialize : keyfile;
//if (File.Exists(keyfile))
// curFile = keyfile;
//else if (File.Exists(sysSyrialize))
// curFile = sysSyrialize;
//else
// curFile = null;
if (!string.IsNullOrEmpty(curFile))
{
CryptoClass crypto = new CryptoClass();
//if (!crypto.Form_LoadTrue()) Close();
string date = crypto.GetDecodeKey(curFile).Substring(crypto.GetDecodeKey(curFile).IndexOf("|") + 1);
//Logger.WriteLog(date, 0, "res == 0");
if (DateTime.Parse(date).AddDays(1) <= DateTime.Now)
{
if (File.Exists(curFile))
{
File.Delete(curFile);
}
Logger.WriteLog("start", 0, "key == 0");
return(false);
}
else
{
Console.Title = $"UrineStripReader40_Listener:[{VerApp}.......{date}]";
Logger.WriteLog("start", 0, "key == 1");
return(true);
}
}
else
{
return(false);
}
}
catch (Exception ex)
{
Console.WriteLine();
Logger.WriteLog(ex.Message, 0, "key == 0");
}
return(false);
}
