%0 Journal Article %T Design and implementation of Chinese character CAPTCHA based on multi-transfigure feature
基于多形变特征的汉字验证码的设计及实现* %A DAI Ru-yi %A AI Li-rong %A GAO Hai-chang %A
戴如意 %A 艾丽蓉 %A 高海昌 %J 计算机应用研究 %D 2010 %I %X CAPTCHA is a means to improve Web security nowadays.Since only a simple transfigure processing,the most of CAPTCHAs are lack of security and have a high rate to be cracked.Hence the paper designed some new methods of generating random Chinese CAPTCHAs which had crowd effect and multi-transfigure feature,and applied it in JSP dynamic Web successfully.Experiments show the CAPTCHAs generated by the paper are more secure and easy to use. %K automatic attack %K CAPTCHA %K multi-transfigure feature
自动攻击 %K 自动区分人和机器的图灵测试 %K 多形变特征 %U http://www.alljournals.cn/get_abstract_url.aspx?pcid=5B3AB970F71A803DEACDC0559115BFCF0A068CD97DD29835&cid=8240383F08CE46C8B05036380D75B607&jid=A9D9BE08CDC44144BE8B5685705D3AED&aid=6DEB22D8216D4BED1F8FD23140CF10F8&yid=140ECF96957D60B2&vid=DB817633AA4F79B9&iid=E158A972A605785F&sid=D80AE3757B45ED33&eid=C32BEECEF5323D34&journal_id=1001-3695&journal_name=计算机应用研究&referenced_num=1&reference_num=8