Unshortened links below for reference http://security.riit.tsinghua.edu.cn/share/classify_encrypted.pdf http://security.riit.tsinghua.edu.cn/share/classify_enc

Unshortened links below for reference http://security.riit.tsinghua.edu.cn/share/classify_encrypted.pdf http://security.riit.tsinghua.edu.cn/share/classify_encrypte... http://www.nytimes.com/2015/01/30/world/asia/china-clamps-down-still-harder-on-internet-access.html http://www.nytimes.com/2015/01/30/world/asia/china-clamps-do...