Use separate exception for wrong receiving packet's CRC

Signed-off-by: Szczepan Zalega <szczepan@nitrokey.com>

2 files changed, 6 insertions, 1 deletions

diff --git a/include/DeviceCommunicationExceptions.h b/include/DeviceCommunicationExceptions.h
index 6d21561..2913975 100644
--- a/include/DeviceCommunicationExceptions.h
+++ b/include/DeviceCommunicationExceptions.h
@@ -36,5 +36,10 @@ public:
   DeviceReceivingFailure(std::string msg) : DeviceCommunicationException(msg){}
 };
 
+class InvalidCRCReceived: public DeviceReceivingFailure {
+public:
+  InvalidCRCReceived(std::string msg) : DeviceReceivingFailure(msg){}
+};
+
 
 #endif //LIBNITROKEY_DEVICECOMMUNICATIONEXCEPTIONS_H
diff --git a/include/device_proto.h b/include/device_proto.h
index b137689..964c2d9 100644
--- a/include/device_proto.h
+++ b/include/device_proto.h
@@ -371,7 +371,7 @@ namespace nitrokey {
                     resp.command_id, resp.device_status, resp.storage_status.progress_bar_value);
               }
 
-              if (!resp.isValid()) throw DeviceReceivingFailure("Invalid incoming packet");
+              if (!resp.isValid()) throw InvalidCRCReceived("Invalid incoming packet");
               if (receiving_retry_counter <= 0)
                 throw DeviceReceivingFailure(
                     "Maximum receiving_retry_counter count reached for receiving response from the device!");