Information channel security certificate device

The utility model provides an information channel security certificate device connected with a user application server through a serial port and a USB channel, connected with a short message/micro message processing server through an SMS information channel and connected with a front-end processor through a wireless access private network. The front-end processor and the short message/micro message processing server are connected with a service information detection and control processing server separately through an intranet. A user application service is connected with a user POS device and a biological characteristic entrance guard device. The information channel security certificate device is characterized by comprising a single-chip microprocessor or an FPGA chip, a security check mode selecting button connected with the single-chip microprocessor or the FPGA chip, a parameter setting button, an application main menu button, a confirm and direction control button, a cancel/modification button, a voice vi