Scalable and Privacy Preserving

SPFM: Scalable and Privacy Preserving Friend Matching in Mobile Cloud

Introduction:

Profile (e.g., contact list, interest, mobility) matching is more than important for fostering the wide use of mobile social networks. The social networks such as Facebook, Line or We-chat recommend the friends for the users based on users personal data such as common contact list or mobility traces. However, outsourcing users’ personal information to the cloud for friend matching will raise a serious privacy concern due to the potential risk of data abusing. In this study, we propose a novel Scalable and Privacy-preserving Friend Matching protocol, or SPFM in short, which aims to provide a scalable friend matching and recommendation solutions without revealing the users personal data to the cloud. Different from the previous works which involves multiple rounds of protocols, SPFM presents a scalable solution which can prevent honest-but-curious mobile cloud from obtaining the original data and support the friend matching of multiple users simultaneously. We give detailed feasibility and security analysis on SPFM and its accuracy and security have been well demonstrated via extensive simulations. The result show that our scheme works even better when original data is large.

SPFM: Scalable and Privacy Preserving Friend Matching in Mobile Cloud

Reference IEEE paper :

“SPFM: Scalable and Privacy-preserving Friend Matching in Mobile Cloud”, IEEE Internet of Things Journal, 2017.

Unique ID – SBI1081

DomainInternet of Things (IOT)

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