Welcome to the resource topic for 2025/755
Title:
A Note on “CB-DA: Lightweight and Escrow-Free Certificate-Based Data Aggregation for Smart Grid”
Authors: Zhengjun Cao, Lihua Liu
Abstract:We show that the data aggregation scheme [IEEE TDSC, 2023, 20(3), 2011-2024] is flawed, because the signer only signs a part of data, not the whole data. An adversary can replace the unsigned component to cheat the verifier. To frustrate this attack, all components of the target data should be concatenated together and then be hashed and signed, so as to ensure that the signature verification can prove the whole message integrity.
ePrint: https://eprint.iacr.org/2025/755
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