- 期刊
A Note on One Outsourcing Algorithm for Modular Exponentiations
摘要
Fu et al. have presented two outsourcing algorithms for modular exponentiations [Cluster Comp., 21(4), 2018, 1933-1947] by using a single untrusted cloud server. We find the schemes have some flaws: (1) the outsourcing mechanism is infeasible because it cannot bring the outsourcer significant cost savings; (2) the outsourcing of Schnorr signature fails to keep its consistency; (3) it confused the general signature model with the blind signature model. We hope this note could clarify some misunderstandings about outsourcing computation and blind signature.
延伸閱讀
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