Search International and National Patent Collections

1. (WO2018165921) POS MACHINE PASSWORD SECURE INPUT METHOD AND DEVICE

Pub. No.:    WO/2018/165921    International Application No.:    PCT/CN2017/076812
Publication Date: Fri Sep 21 01:59:59 CEST 2018 International Filing Date: Thu Mar 16 00:59:59 CET 2017
IPC: G06Q 20/20
Applicants: SHENZHEN TRENDIT CO., LTD.
深圳大趋智能科技有限公司
Inventors: SONG, Xiaoliang
宋孝亮
Title: POS MACHINE PASSWORD SECURE INPUT METHOD AND DEVICE
Abstract:
A POS machine password secure input method and device, the method comprising: when a POS machine operation processor-based POS machine operating system receives a password input command, switching an input signal of a touch screen to a secure chip (S1); obtaining password information of a touch screen input via the secure chip (S2); after a password input is complete, encrypting the password information and sending to the POS machine operation processor (S3). The method prevents the password information from being stolen, and increases POS machine usage security.