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    • 10. 发明申请
    • CAPTCHA PROVISION METHOD AND PROGRAM
    • 人员配置方案和程序
    • US20150143495A1
    • 2015-05-21
    • US14370937
    • 2012-01-06
    • Mitsuo Okada
    • Mitsuo Okada
    • H04L29/06
    • H04L63/08G06F21/31G06F2221/2133H04L67/02
    • [Problem] To selectively provide, in accordance with a user terminal a CAPTCHA that can be easily executed by an operator of the user terminal. [Solution] A web server (11) determines the type of web browser running in a user terminal (13). An authentication server (12) decides a CAPTCHA execution program on the basis of the type of web browser that has been determined. The authentication server (12) executes the decided CAPTCHA execution program to generate problem data and correct answer data. The web server (11) provides the CAPTCHA to the user terminal (13) on the basis of the problem data. The authentication server (12) compares the correct answer data and answer data generated by the user terminal (13), and determines whether authentication has succeeded or failed.
    • [问题]根据用户终端选择性地提供可以由用户终端的操作者容易地执行的CAPTCHA。 [解决方案]网络服务器(11)确定在用户终端(13)中运行的web浏览器的类型。 认证服务器(12)基于已经确定的网络浏览器的类型来确定CAPTCHA执行程序。 认证服务器(12)执行所决定的CAPTCHA执行程序以产生问题数据和正确答案数据。 网络服务器(11)基于问题数据向用户终端(13)提供CAPTCHA。 认证服务器(12)比较由用户终端(13)生成的正确应答数据和应答数据,并确定认证是成功还是失败。