笔记作者：韦思正     原文作者：Alireza,Bahramali，Amir,Houmansadr， Ramin ,Soltaniy， Dennis,Goeckelz，Don, Towsley   原文标题：Practical Traffic Analysis Attacks on Secure Messaging Applications  原文来源：Network and Distributed Systems Security (NDSS) Symposium 2020  原文链接：https://dx.doi.org/10.14722/ndss.2020.24347