| 验证码的设计与破解探讨 |
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| 引用本文： | 唐娅琴. 验证码的设计与破解探讨[J]. 计算机与数字工程, 2010, 38(5): 116-118 |
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| 作者姓名： | 唐娅琴 |
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| 作者单位： | 重庆医科大学基础医学院,重庆,400016 |
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| 摘 要： | 验证码属于人机区分测试的一种,已经被广泛用于网络来阻止恶意程序对网络服务的使用。文章论述了验证码的设计原理,分析了其设计中可能存在的容易被破解的缺陷,提出了一种自动识别验证码的流程,描述了识别的详细过程,利用实际网络中使用的验证码进行了测试,实验结果证明识别率达到了99%。
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| 关 键 词： | 去噪 验证码 自动识别 |
A Discussion about CAPTCHA Design and Defeating |
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| Tang Yaqin. A Discussion about CAPTCHA Design and Defeating[J]. Computer and Digital Engineering, 2010, 38(5): 116-118 |
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| Authors: | Tang Yaqin |
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| Affiliation: | Chongqing Medical University/a>;Chongqing 400016 |
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| Abstract: | CAPTCHA has been designed to block the malicious program using the Internet Service.First introduced the principle of CAPTHA design,then analyzed the defect may be used by attacker.The flow of CAPTCHA defeat proposed,described the detail defeat steps.We test our method with a real CAPTCHA system on the Internet,the success rate reach 99%. |
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| Keywords: | noise remove CAPTCHA automatic recognition |
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