Do I know you?
Marcin Nagy, Emiliano De Cristofaro, Alexandra Dmitrienko, N. Asokan, Ahmad‐Reza Sadeghi · 2013
The increasing penetration of Online Social Networks (OSNs) prompts the need for effectively accessing and utilizing social networking information. In numerous applications, users need to make trust and/or access control decisions involving other (possibly stranger) users, and one important factor is often the existence of common social relationships. This motivates the need for secure and privacy-preserving techniques allowing users to assess whether or not they have mutual friends.