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Personal relationships are more and more managed over digital communication media, and electronic social networks in particular. Digital identity, conceived as a way to characterize and recognize persons on the Internet, has thus taken center stage, although this concept still remains vague in many of its aspects. This work aims at shedding some light on this topic, by sketching a basic conceptual...
Opportunistic networks requires to revisit all security aspects of communication due to their specific requirements. In this article, we present the new security challenges of opportunistic communication in terms of cooperation enforcement, trust establishment, integrity, authenticity, confidentiality and privacy.
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