Titlebook: Cyberspace Safety and Security; 9th International Sy Sheng Wen,Wei Wu,Aniello Castiglione Conference proceedings 2017 Springer Internationa

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Efficient CCA2 Secure Revocable Multi-authority Large-Universe Attribute-Based Encryption,curity needs. Finally, a concrete scheme supporting ciphertext verifiability is constructed on prime-order groups to improve computing efficiency. We prove that the scheme satisfies IND-sAA-sCCA2 security with the help of a Chameleon hash function.

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A WeChat User Geolocating Algorithm Based on the Relation Between Reported and Actual Distance,hat, on the premise that target users can be discovered, the proposed algorithm could achieve higher accuracy compared with the classical space partition based algorithm and the heuristic number theory based algorithm. The highest geolocating accuracy is within 10?m and 56% of geolocation results are within 60?m.

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0302-9743 in October 2017. The 31 full papers and 10 short papers presented in this volume were carefully reviewed and selected from 120 submissions.. The papers focus on cyberspace safety and security such as authentication, access control, availability, integrity, privacy, confidentiality, dependability and

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Grievance

Static Taint Analysis Method for Intent Injection Vulnerability in Android Applications,s the taint propagation within a component, between components and during the reflection call to detect the potential Intent injection vulnerability. Experimental results validate the effectiveness of IntentSoot in various kinds of applications.

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ineluctable

Detection of Lurkers in Online Social Networks,works (OSNs), together with the content that is generated, shared and used within the related environments, using an hypergraph-based approach. Then, we discuss how the most diffused centrality measures – that have been defined over the introduced model – can be efficiently applied for a number of d