Acta Optica Sinica, Volume. 28, Issue 3, 556(2008)
Analysis on Unsecurity of Quantum Secret Sharing Based on Smolin Bound Entangled States
We analyze the security of quantum secret sharing (QSS) with bound entangled Smolin states as the channel quantum state. An intercept-resend strategy of the inner legal communicators is proposed to attack the security without being detected by the checking procedure compared with the results of single-qubit measurement. It is concladed that QQS only with Smolin bound entangled states as the channel quantum state is not unconditionally secure.
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Yu Yafei, Zhang Zhiming. Analysis on Unsecurity of Quantum Secret Sharing Based on Smolin Bound Entangled States[J]. Acta Optica Sinica, 2008, 28(3): 556