Cryptanalysis on Lin and Wu’s Undeniable (t, n)-Threshold Signature Scheme with Cheater Identification
Yan-Bin Lin, Yi-Fan Tsengg · 2021 International Symposium on Intelligent Signal Processing and Communication Systems (ISPACS) · 2021
In this manuscript, we show the weakness of the undenialbe (t, n)-threshold signature scheme with cheater identification proposed by Lin and Wu. In our attack method, if cheater in the signer group is able to violate the correctness of the signature without being identified.