diff -urNp ctapi-cyberjack-2.0.13.org/ctapi/ppa/cjppUpdate.c ctapi-cyberjack-2.0.13.qa/ctapi/ppa/cjppUpdate.c
--- ctapi-cyberjack-2.0.13.org/ctapi/ppa/cjppUpdate.c	2006-09-29 21:45:59.000000000 +0300
+++ ctapi-cyberjack-2.0.13.qa/ctapi/ppa/cjppUpdate.c	2007-01-18 23:15:54.000000000 +0200
@@ -11,6 +11,8 @@
 #endif /* _LINUX */
 
 
+int cjppVerifyKey(HANDLE cjppDevice,unsigned char *sign);
+
 //extern int cjppVerifyData(HANDLE cjppDevice,unsigned short addr,unsigned char *Data,unsigned char len);
 
 static void cjppWINAPI ProgressbarThread(ProgressStr *Params)