Add U2F request state machines

device/u2f/u2f_device.cc

 // Copyright 2017 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "u2f_device.h"
 
 #include "base/bind.h"
 #include "u2f_apdu_command.h"
 #include "u2f_apdu_response.h"
 
@@ skipping 77 matching lines @@
   }
   switch (sign_response->status()) {
     case U2fApduResponse::Status::SW_CONDITIONS_NOT_SATISFIED:
       callback.Run(ReturnCode::CONDITIONS_NOT_SATISFIED,
                    std::vector<uint8_t>());
       break;
     case U2fApduResponse::Status::SW_NO_ERROR:
       callback.Run(ReturnCode::SUCCESS, sign_response->data());
       break;
     case U2fApduResponse::Status::SW_WRONG_DATA:
+    case U2fApduResponse::Status::SW_WRONG_LENGTH:
+    default:
       callback.Run(ReturnCode::INVALID_PARAMS, std::vector<uint8_t>());
       break;
-    default:
-      callback.Run(ReturnCode::FAILURE, std::vector<uint8_t>());
-      break;
   }
 }
 
 void U2fDevice::OnVersionComplete(
     const VersionCallback& callback,
     bool success,
     std::unique_ptr<U2fApduResponse> version_response) {
   if (success && version_response &&
       version_response->status() == U2fApduResponse::Status::SW_NO_ERROR &&
       version_response->data() ==
@@ skipping 13 matching lines @@
           U2fApduResponse::Status::SW_NO_ERROR &&
       legacy_version_response->data() ==
           std::vector<uint8_t>({'U', '2', 'F', '_', 'V', '2'})) {
     callback.Run(success, ProtocolVersion::U2F_V2);
     return;
   }
   callback.Run(success, ProtocolVersion::UNKNOWN);
 }
 
 }  // namespace device