Abstract
A continuous variable quantum secret sharing (CVQSS) scheme is proposed by using quantum teleportation. In the scheme, the participants Bob and Charlie can recover the classical secret keys only when they cooperate. Meanwhile, the security of the CVQSS scheme is analyzed in detail by calculating the bit error rates (BERs) under different situations. It is shown that our proposed CVQSS scheme not only can resist the external attacks, but also can against the participant’s malicious attacks when the channel transmission efficiency η is above 50 %.
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