/// <summary>
/// Read record comand
/// </summary>
/// <param name="fileNumber"></param>
/// <param name="offset"></param>
/// <param name="numberOfRecords"></param>
/// <returns>
/// byte array of read data
/// </returns>
public async Task <byte[]> ReadRecordAsync(byte fileNumber, ulong offset, ulong numberOfRecords)
{
var args = new byte[7];
args[0] = fileNumber;
args[1] = (byte)(offset & 0xFF);
args[2] = (byte)((offset >> 8) & 0xFF);
args[3] = (byte)((offset >> 16) & 0xFF);
args[4] = (byte)(numberOfRecords & 0xFF);
args[5] = (byte)((numberOfRecords >> 8) & 0xFF);
args[6] = (byte)((numberOfRecords >> 16) & 0xFF);
desfireCommand.Command = (byte)DesfireCommand.CommandType.ReadRecord;
desfireCommand.Data = args;
DesfireResponse desfireRes = await connectionObject.TransceiveAsync(desfireCommand) as DesfireResponse;
if (desfireRes.BoundaryError)
{
// Boundary error, the record doesn't exist
return(null);
}
if (!desfireRes.Succeeded)
{
throw new Exception("Failure selecting application, SW=" + desfireResponse.SW + " (" + desfireResponse.SWTranslation + ")");
}
return(desfireRes.ResponseData);
}
/// <summary>
/// Read card details commands
/// </summary>
/// <returns>
/// returns Desfire CardDetails object
/// </returns>
public async Task <CardDetails> ReadCardDetailsAsync()
{
desfireCommand.Command = (byte)DesfireCommand.CommandType.GetVersion;
desfireCommand.Data = null;
DesfireResponse desfireRes = await connectionObject.TransceiveAsync(desfireCommand) as DesfireResponse;
if (!desfireRes.SubsequentFrame || desfireRes.ResponseData.Length != 7)
{
return(null);
}
CardDetails card = new CardDetails();
card.HardwareVendorID = desfireRes.ResponseData[0];
card.HardwareType = desfireRes.ResponseData[1];
card.HardwareSubType = desfireRes.ResponseData[2];
card.HardwareMajorVersion = desfireRes.ResponseData[3];
card.HardwareMinorVersion = desfireRes.ResponseData[4];
card.HardwareStorageSize = desfireRes.ResponseData[5];
card.HardwareProtocolType = desfireRes.ResponseData[6];
desfireCommand.Command = (byte)DesfireCommand.CommandType.GetAdditionalFrame;
desfireRes = await connectionObject.TransceiveAsync(desfireCommand) as DesfireResponse;
if (!desfireRes.SubsequentFrame || desfireRes.ResponseData.Length != 7)
{
// Not expected
return(null);
}
card.SoftwareVendorID = desfireRes.ResponseData[0];
card.SoftwareType = desfireRes.ResponseData[1];
card.SoftwareSubType = desfireRes.ResponseData[2];
card.SoftwareMajorVersion = desfireRes.ResponseData[3];
card.SoftwareMinorVersion = desfireRes.ResponseData[4];
card.SoftwareStorageSize = desfireRes.ResponseData[5];
card.SoftwareProtocolType = desfireRes.ResponseData[6];
desfireRes = await connectionObject.TransceiveAsync(desfireCommand) as DesfireResponse;
if (!desfireRes.Succeeded || desfireRes.ResponseData.Length != 14)
{
// Not expected
return(null);
}
card.UID = new byte[7];
System.Buffer.BlockCopy(desfireRes.ResponseData, 0, card.UID, 0, 7);
card.GUID = desfireRes.ResponseData[7];
card.ProductionBatchNumber = new byte[5];
System.Buffer.BlockCopy(desfireRes.ResponseData, 7, card.ProductionBatchNumber, 0, 5);
card.WeekOfProduction = desfireRes.ResponseData[12];
card.YearOfProduction = desfireRes.ResponseData[13];
return(card);
}
/// <summary>
/// Select ICC application by AID
/// </summary>
/// <param name="aid">
/// application id
/// </param>
public async Task SelectApplicationAsync(byte[] aid)
{
if (aid.Length != 3)
{
throw new NotSupportedException();
}
desfireCommand.Command = (byte)DesfireCommand.CommandType.SelectApplication;
desfireCommand.Data = aid;
DesfireResponse desfireRes = await connectionObject.TransceiveAsync(desfireCommand) as DesfireResponse;
if (!desfireResponse.Succeeded)
{
throw new Exception("Failure selecting application, SW=" + desfireResponse.SW + " (" + desfireResponse.SWTranslation + ")");
}
}
/// <summary>
/// Read data command
/// </summary>
/// <param name="fileNumber">
/// </param>
/// <param name="offset">
/// </param>
/// <param name="length">
/// </param>
/// <returns>
/// byte array of read data
/// </returns>
public async Task <byte[]> ReadDataAsync(byte fileNumber, ulong offset, ulong length)
{
var args = new byte[7];
args[0] = fileNumber;
args[1] = (byte)(offset & 0xFF);
args[2] = (byte)((offset >> 8) & 0xFF);
args[3] = (byte)((offset >> 16) & 0xFF);
args[4] = (byte)(length & 0xFF);
args[5] = (byte)((length >> 8) & 0xFF);
args[6] = (byte)((length >> 16) & 0xFF);
desfireCommand.Command = (byte)DesfireCommand.CommandType.ReadData;
desfireCommand.Data = args;
DesfireResponse desfireRes = await connectionObject.TransceiveAsync(desfireCommand) as DesfireResponse;
if (!desfireRes.Succeeded)
{
throw new Exception("Failure selecting application, SW=" + desfireResponse.SW + " (" + desfireResponse.SWTranslation + ")");
}
return(desfireRes.ResponseData);
}
