From 955fb912ab9563a5246f9d3bfda9ccfab187949f Mon Sep 17 00:00:00 2001
From: Szczepan Zalega <szczepan.zalega@gmail.com>
Date: Tue, 29 Mar 2016 13:04:52 +0200
Subject: adding next steps for hotp tests: writing, reading and authorization
 for writing hotp code

---
 include/device_proto.h | 9 +++++++++
 1 file changed, 9 insertions(+)

(limited to 'include/device_proto.h')

diff --git a/include/device_proto.h b/include/device_proto.h
index f2ed84d..e05a303 100644
--- a/include/device_proto.h
+++ b/include/device_proto.h
@@ -151,6 +151,15 @@ class Transaction : semantics::non_constructible {
   static_assert(sizeof(ResponsePacket) == HID_REPORT_SIZE,
                 "ResponsePacket type is not the right size");
 
+  static uint32_t getCRC(
+          const command_payload &payload) {
+    OutgoingPacket outp;
+    outp.initialize();
+    outp.payload = payload;
+    outp.update_CRC();
+    return outp.crc;
+  }
+
   static response_payload run(device::Device &dev,
                               const command_payload &payload) {
     using namespace ::nitrokey::device;
-- 
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