基于字符特征的随机问题阅读式验证码技术  

Technique of randomized question reading CAPTCHA based on character feature

作　　者：胡金蓉[1] 王玲[1] 

机构地区：[1]四川师范大学计算机科学学院,四川成都610068

出　　处：《计算机工程与设计》2008年第7期1619-1621,1690,共4页Computer Engineering and Design

摘　　要：在实际应用中,验证码的安全性与易用性是人们关注的重要方面。针对当前很多站点的验证码都缺乏可靠的安全性,设计了一种基于字符特征的随机问题阅读式验证码,它能有效抵御光学字符识别技术对阅读式验证码的破解。How to make a secure and apt CAPTCHA is the essential of the CAPTCHA in the practice. But the most of CAPTCHAR are lack of security, A brief introduction of the current CAPTCHA is given and a new method about randomized question reading CAPTCHA based on character feature is designed, which can prevents from breaking by the technology of optical character recognition.

关 键 词：自动攻击 验证码 阅读式验证码 字符特征 随机问题 

分 类 号：TP393.08[自动化与计算机技术—计算机应用技术]