Knowledge Network Node
Network Security Technology ＆ Application. 2017, (07)

一种基于消息摘要的人机验证应用研究

刘振兴

亮月亮科技(北京)有限公司

Abstract: 自动识别机器或真人的服务（CAPTCHA）被广泛应用在网络空间的很多场景。传统的人机验证机制为系统随机地生成一段消息保存在服务器端,然后发送给用户终端以扭曲的形式展示给用户,以此区分用户终端是来自机器或真人。本文详细分析了常用人机验证机制的优劣,然后提出一种基于消息摘要（单向哈希）的方式进行人机验证。与传统方法相比,不需要额外的存储随机消息,在部署方式和成本方面有更好的表现。
Keywords：

消息摘要; 人机验证; 验证码; CAPTHCHA;

  • Series：

    (I) Electronic Technology ＆ Information Science

  • Subject：

    Computer Software and Application of Computer

  • Classification Code：

    TP309

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