摘要
网站为了防止用户利用机器人自动注册、登录、灌水,都采用了验证码技术。通常的验证码有数字验证码、图文验证码和汉字验证码。汉字验证码比较难于识别,使用汉字验证码对网站的安全防范更高。本文介绍了汉字验证码的设计与实现。
The site in order to prevent the user use robots to automatically register, login, irrigation, using the verification code technology. Usually the verification code verification code, digital graphic verification code and Chinese characters code. Chinese characters are difficult to identify verification code, the use of Chinese characters code on the website of the security of higher. This paper introduces the design and implementation of the verification code of Chinese characters.
出处
《数字技术与应用》
2013年第3期117-118,共2页
Digital Technology & Application
关键词
ASP
NET
汉字验证码
区位码
ASP.NET Chinese characters code Code by section position
