Security analysis of DeyPoS scheme
Taek-Young Youn, Nam-Su Jho, Noh Si-Wan, Kyung-Hyune Rhee, Sang Uk Shin · Research Briefs on Information and Communication Technology Evolution · 2019
Recently, He et al: [3], proposed a concrete scheme of deduplicatable dynamic PoS called DeyPoS, toachieve dynamic PoS (Proof of Storage) and secure cross-user deduplication, simultaneously. However,after a close look at their proposed scheme, we identity some security weaknesses. In this paper,we show the security vulnerability of DeyPoS scheme, compromise of data privacy and unforgeability.