Research on Statistical Disclosure Attack and Defence Strategies in Anonymous System
Wang Wei-ping, Guihua Duan · Jisuanji gongcheng · 2006
【Abstract】Based on the principle of statistical disclosure attack, this paper presents the statistical disclosure algorithm under the conditions which the communication object number is determined both undetermined. It also analyses the influence of apparent metric on the validity and attack rounds of statistical disclosure. Meanwhile, two protective strategies-sender cover strategy and background disturbance strategy are proposed to guard against statistical disclosure attack. The simulation results show that the two strategies effectively raise the attack rounds and decrease the attack accuracy. 【Key words】Anonymous communication; Disclosure attack; Statistical disclosure attack