[Resource Topic] 2020/651: Cryptanalysis of ``FS-PEKS: Lattice-based Forward Secure Public-key Encryption with Keyword Search for Cloud-assisted Industrial Internet of Things''

Resource Public-key cryptography
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Welcome to the resource topic for 2020/651

Title:
Cryptanalysis of ``FS-PEKS: Lattice-based Forward Secure Public-key Encryption with Keyword Search for Cloud-assisted Industrial Internet of Things’’

Authors: Zi-Yuan Liu, Yi-Fan Tseng, Raylin Tso

Abstract:

In this note, we review lattice-based public-key encryption with the keyword search against inside keyword guess attacks (IKGAs) proposed by Zhang \textit{et al}. in IEEE Transactions on Dependable and Secure Computing in 2021. We demonstrate that this scheme is insecure for IKGAs, although Zhang \textit{et al.} demonstrated a secure proof.

ePrint: https://eprint.iacr.org/2020/651

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