Enabling Secure Secret Sharing in Distributed Online Social Networks

Abstract

We study a new application of threshold-based secret sharing in a distributed online social network (DOSN), where users need a means to back up and recover their private keys in a network of untrusted servers. Using a simple threshold-based secret sharing in such an environment is insufficiently secured since delegates keeping the secret shares may collude… (More)
DOI: 10.1109/ACSAC.2009.46

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