Socialized policy administration

摘要: Abstract With the rapid development of mobile applications and online social networks, users often encounter a frustrating challenge to set privacy security policies (i.e., permission requests) various correctly. For instance, in an Android system, it is hard for users, even programmers, identify malicious requests (policies) when they install third-party application. To simplify task policy management, this paper, we propose novel administration method where settings from users' friends will be used as key recommendation guide administration, friends' protected. We let user invite his or her help with setting applications, call such socialized (SPA short). designed two types SPA: basic SPA composite SPA. Both are equipped preserving mechanism that enables without leaking preferences. In our prototype based on Telegram, i.e., one most popular instant messaging utilize partially homomorphic encryption cryptosystems implement framework. Based performance evaluation, able configure almost all current modest overhead.