移动互联网用户步数验证码

S. Kulkarni, H. Fadewar
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引用次数: 11

摘要

CAPTCHA要求证明其人性化,因此每个CAPTCHA设计都力求在其用户中追踪人类技能。为了设计健壮的CAPTCHA,已经探索了许多人类技能。本文提出了一种新的移动设备验证码设计方案。提出的步数验证码利用人类的行走能力。本文旨在提供实现计步器验证码的算法,分析其对各种残疾人的可用性,进行安全性分析和用户体验研究。由于对CAPTCHA的攻击是由软件机器人执行的,人类在移动设备上行走或加速的能力可以有效地用来阻止机器人。可用性分析表明,除完全运动障碍外,几乎所有类型的残疾都可以使用计步器CAPTCHA。对用户体验的研究表明,64名志愿者中有92.2%的人认为Pedometric CAPTCHA界面易于导航。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Pedometric CAPTCHA for mobile Internet users
CAPTCHA requires proof of humanness, thus every CAPTCHA design strives to trace human skills in its user. Many human skills have been explored for designing robust CAPTCHA. In this paper we propose a novel CAPTCHA design for mobile devices. Proposed Pedometric CAPTCHA uses human capability of walking. This paper aims to provide algorithm for implementing Pedometric CAPTCHA, analyze its' usability for persons with various disabilities, perform security analysis and study of user experience. As attacks on CAPTCHA are performed by software bots, human capability of walking or creating acceleration in a mobile device can be effectively used to thwart bots. Usability analysis shows that Pedometric CAPTCHA is accessible for almost all types of disabilities except for the complete motor disability. Study of user experience depicts that 92.2% of the 64 volunteers found the Pedometric CAPTCHA interface to be easy to navigate.
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