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-  2017 

一种随机化的网站指纹防御方法 A Randomized Website Fingerprint Defense Method

Keywords: 随机化隐私改变器,网站指纹,隐私保护,洋葱路由器

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Abstract:

Tor(the onion router)目前存在用户访问网站指纹信息泄露,真正问题不是它的惟一性,而是它的可链接性,即每次访问网站都能链接到同一个指纹.基于此发现,利用随机化策略,设计并实现了一种新颖的网站指纹防御方案:随机化隐私改变器。随机化隐私改变器以随机频率发送随机时间、随机长度数据包,同时随机请求一个虚假网站作为噪音流量,全方位对网站指纹信息进行了模糊.实验结果表明,网站指纹攻击的准确度在随机化隐私改变器防御下大大地降低了,极大地提高了Tor的安全性,而且它的防御效果比同类的Tamaraw好

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