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1. (WO2018103166) METHOD AND DEVICE FOR DOWNLOADING KEY OF POS TERMINAL

Pub. No.:    WO/2018/103166    International Application No.:    PCT/CN2016/113757
Publication Date: Fri Jun 15 01:59:59 CEST 2018 International Filing Date: Sat Dec 31 00:59:59 CET 2016
IPC: H04L 9/08
H04L 29/06
G06Q 20/38
G07G 1/14
Applicants: PAX COMPUTER TECHNOLOGY (SHENZHEN) CO., LTD.
百富计算机技术(深圳)有限公司
Inventors: PENG, Rongshou
彭荣收
LI, Yang
李杨
TANG, Qin
汤沁
Title: METHOD AND DEVICE FOR DOWNLOADING KEY OF POS TERMINAL
Abstract:
A method for downloading a key of a POS terminal, comprising: in a production or maintenance stage of a POS terminal, setting a device authentication key pair and a device encryption key pair at the POS terminal; according to a remote authentication key pair set by a remote key server and the device authentication key pair in the POS terminal, the POS terminal and the remote key server performing mutual authentication, and after the authentication is passed, binding a certificate of the remote key server at the POS terminal device; and the POS terminal downloading a master key from the remote key server according to the device encryption key pair and a temporary transfer key. By means of the method, a master key can be downloaded through a network outside a security centre, having high security, being able to save on transportation costs and having high efficiency.