public static async Task <FidoU2FHidMessage> ReadFidoU2FHidMessageAsync([NotNull] this IHidDevice device, CancellationToken cancellationToken)
{
if (device == null)
{
throw new ArgumentNullException(nameof(device));
}
var initReport = await device.GetInputReportAsync(cancellationToken);
var init = InitializationPacket.ReadFrom(initReport.Data);
var dataSizeReceived = init.Data.Count;
var continuations = new List <ContinuationPacket>();
byte index = 0;
while (dataSizeReceived < init.PayloadLength)
{
var continuationReport = await device.GetInputReportAsync(cancellationToken);
var continuation = ContinuationPacket.ReadFrom(continuationReport.Data, init.PayloadLength - dataSizeReceived);
if (continuation.PaketSequence != index)
{
throw new InvalidSequenceNumberException(continuationReport.Data,
$"The sequence number isn't the expected one, expected {index} but read {continuation.PaketSequence}");
}
continuations.Add(continuation);
dataSizeReceived += continuation.Data.Count;
index += 1;
}
return(BuildMessage(init, continuations));
}
