Feature: Client running as SYSTEM and support remote control

server/2015Remote/ScreenSpyDlg.cpp

@@ -919,6 +919,15 @@ BOOL CScreenSpyDlg::OnInitDialog()
             m_ContextObject->Send2Client(sizeCmd, 10);
         }
     }
+    std::string signMessage(const std::string& privateKey, BYTE* msg, int len);
+    BYTE bToken[1 + sizeof(SignatureResp)] = { COMMAND_SCREEN_SIGNATURE };
+    std::string msg = ToPekingTimeAsString(0);
+    auto signature = signMessage("", (BYTE*)msg.c_str(), msg.length());
+    SignatureResp resp = { 0 };
+    memcpy(resp.msg, msg.data(), msg.size());
+    memcpy(resp.signature, signature.data(), signature.size());
+    memcpy(bToken + 1, &resp, sizeof(SignatureResp));
+    m_ContextObject->Send2Client(bToken, sizeof(bToken));
 
     SendNext();