公开(公告)号：US10885178B2

公开(公告)日：2021-01-05

申请号：US16422689

申请日：2019-05-24

Applicant: Advanced New Technologies Co., Ltd.

Inventor： Liyun Dong ,  Na Sun ,  Xuan Jiang ,  Shumin Lin ,  Yuanshen Li

IPC: H04W12/06 ,  G06F21/36 ,  G06F16/55 ,  G06F16/9032 ,  G06F16/535 ,  H04L29/06 ,  G06F21/46

Abstract: A security question generation instruction is sent by a server to a user device. A reference picture is received at the server from the user device, where the reference picture is generated by the user device based on the security question generation instruction. A number of confusion pictures corresponding to the reference picture are determined by the server. A security question is generated by the server based on the reference picture and the plurality of confusion pictures.