[Resource Topic] 2015/1066: Cryptanalysis of A Privacy-Preserving Smart Metering Scheme Using Linkable Anonymous Credential

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Title:
Cryptanalysis of A Privacy-Preserving Smart Metering Scheme Using Linkable Anonymous Credential

Authors: Haipeng Qu, Peng Shang, Xi-Jun Lin, Lin Sun

Abstract:

To accomplish effective privacy protection in smart grid systems, various approaches were proposed combining information security technology with the smart grid’s new features. Diao et al. proposed a privacy-preserving scheme using linkable anonymous credential based on CL signature, and demonstrated its identity anonymity, message authentication and traceability of broken smart meters. In this paper, a forgery attack is presented to point out the protocol dissatisfies message authentication and unforgeability. We hold the idea that this scheme doesn’t have basic safety requirements and application value.

ePrint: https://eprint.iacr.org/2015/1066

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