Cipher keyboard apparatus and implementing method thereof

The invention discloses a password keyboard device and the realization method thereof, and the device comprises an interface connected with a computer end, a hardware chip used for data communication with the application layer software of the computer end through the interface. In the software of the equipment, a smart card layer is arranged above the interface, which comprises an encryption algorithm database and an information input module; the encryption algorithm database comprises a plurality of existing algorithms; the software of the equipment is used for the encryption of the information of the information input module according to the appointed algorithm and sending encrypted information to the application layer of the computer end. The password keyboard device of the invention and the realization method thereof improves the safety of data through the integrated arrangement of functions like USBKEY, a keyboard, a screen, and the like, on hardware equipment, certain encryption methods used for the data encryption of data input from the USBKEY password keyboard and the transmission of encrypted data.