Quantum messages with signatures forgeable in arbitrated quantum signature schemes

@inproceedings{Kim2015QuantumMW,
  title={Quantum messages with signatures forgeable in arbitrated quantum signature schemes},
  author={Taewan Kim and Jeong Woon Choi and Nam-Su Jho and Soojoon Lee},
  year={2015}
}
Even though a method to perfectly sign quantum messages has not been known, the arbitrated quantum signature scheme has been considered as one of good candidates. However, its forgery problem has been an obstacle to the scheme being a successful method. In this paper, we consider one situation, which is slightly different from the forgery problem, that we check whether at least one quantum message with signature can be forged in a given scheme, although all the messages cannot be forged. If… CONTINUE READING
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