public static bool AppendHistoricalRecord(HistoricalRecord record)
{
try
{
// validate
// write data to smart card
bool actionResult = SmartCardReaderUtil.Instance.AppendHistoricalRecord(_cardData_Original, record);
// get new data from smart card
//if (actionResult)
//{
// actionResult = ReadData_FromSmartCard();
//}
// return value
return(actionResult);
}
catch (Exception ex)
{
Debug.WriteLine("WriteHistoricalRecord exception: " + ex.ToString());
return(false);
}
}
public bool AppendHistoricalRecord(SmartCardData_Original cardData, HistoricalRecord record)
{
try
{
// get list blocks will be read/write
List <MifareCard_Block> lstBlocks = GetAll_Blocks_MifareClassic(EnumSmartCardTypes.MifareClassic4K);
if (lstBlocks == null || lstBlocks.Count() == 0)
{
throw new Exception("Can not get card blocks");
}
// calculate storage size of smartcard
int totalBytes = lstBlocks.Count(block => block.BlockType == EnumBlockTypes.Data) * 16;
// create SmartCardData object
if (cardData == null)
{
throw new Exception("SuperviseeBiodata in the card can not be null");
}
else
{
if (cardData.HistoricalRecords == null || cardData.HistoricalRecords.Count == 0)
{
List <HistoricalRecord> historicalRecords = new List <HistoricalRecord>();
historicalRecords.Add(record);
cardData.HistoricalRecords = historicalRecords;
}
else
{
cardData.HistoricalRecords.Insert(0, record);
}
}
// convert object to json
var jsonData = JsonConvert.SerializeObject(cardData);
// encrypting
var encryptedString = CommonUtil.EncryptString(jsonData, _passphrase);
// check length of encryptContent, remove last HistoricalRecord
while (encryptedString.Length > totalBytes)
{
// remove last record
if (cardData.HistoricalRecords != null || cardData.HistoricalRecords.Count() > 0)
{
cardData.HistoricalRecords.Remove(cardData.HistoricalRecords.Last());
}
// convert new data to json
jsonData = JsonConvert.SerializeObject(cardData);
// encrypting
encryptedString = CommonUtil.EncryptString(jsonData, _passphrase);
}
// data to write
byte[] byteData = Encoding.ASCII.GetBytes(jsonData);
bool result = WriteData_MifareClassic(byteData);
// return value
return(result);
}
catch (Exception ex)
{
Debug.WriteLine("WriteData_MifareClassic exception: " + ex.ToString());
return(false);
}
}
