private static LicenseData GetLicenseData()
{
LicenseData licData = null;
try
{
if (IsLicenseFileExist())
{
string sData = System.IO.File.ReadAllText(_sLicFile);
string uid = GetUID();
byte[] key_uid, vi_uid;
GenerateAESKeyVI(uid, out key_uid, out vi_uid);
string decryptedData = Crytographic.DecryptAesManaged(sData, key_uid, vi_uid);
licData = Newtonsoft.Json.JsonConvert.DeserializeObject <LicenseData>(decryptedData, new Newtonsoft.Json.JsonSerializerSettings()
{
DateParseHandling = Newtonsoft.Json.DateParseHandling.None
});
}
}
catch
{ throw; }
return(licData);
}
public static bool Generate_NewLicenseFile()
{
bool bretval = false;
try
{
var sLicStructure = new LicenseData();
sLicStructure.InitDate = System.DateTime.Today;
sLicStructure.LastRun = System.DateTime.Today;
sLicStructure.EndDate = System.DateTime.Today.AddMonths(6).AddHours(23).AddMinutes(59).AddSeconds(59);
UpdateLicenseFile(sLicStructure);
/*
* byte[] key_uid, vi_uid;
* GenerateAESKeyVI(uid, out key_uid, out vi_uid);
*
* var licDataJson= Newtonsoft.Json.JsonConvert.SerializeObject(sLicStructure);
* string encryptedData = Crytographic.EncryptAesManaged(licDataJson, key_uid, vi_uid);
*
* System.IO.File.WriteAllText(_sLicFile, encryptedData);
* string decryptedData = Crytographic.DecryptAesManaged(encryptedData, key_uid, vi_uid);
* var libdata = Newtonsoft.Json.JsonConvert.DeserializeObject(decryptedData);*/
}
catch (Exception ex)
{
}
return(bretval);
}
private static void UpdateLicenseFile(LicenseData licData)
{
try
{
if (licData != null)
{
if (!System.IO.Directory.Exists(_sLicPath))
{
System.IO.Directory.CreateDirectory(_sLicPath);
}
var licDataJson = Newtonsoft.Json.JsonConvert.SerializeObject(licData);
string uid = GetUID();
byte[] key_uid, vi_uid;
GenerateAESKeyVI(uid, out key_uid, out vi_uid);
string encryptedData = Crytographic.EncryptAesManaged(licDataJson, key_uid, vi_uid);
System.IO.File.WriteAllText(_sLicFile, encryptedData);
}
}
catch
{ throw; }
}