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A proactive quantum secret sharing scheme based on GHZ state

机译:一种基于GHZ状态的主动量子秘密共享方案

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摘要

A proactive quantum secret sharing scheme is proposed, in which the participants can update their shadows periodically. In an updating period, one participant randomly generates the GHZ states and sends the particles to the other participants, and the participants update their shadows according to the measurement performed on the particles. After an updating period, each participant can change his shadow but the secret is changeless. The old shadows will be useless even if they have been stolen by the attacker. The proactive property is very useful to resist the mobile attacker.
机译:提出了一种主动的量子秘密共享方案,其中参与者可以定期更新其影子。在更新周期中,一个参与者随机生成GHZ状态并将粒子发送给其他参与者,然后参与者根据对粒子执行的测量来更新其阴影。更新期过后,每个参与者都可以更改他的影子,但是秘密是不变的。即使旧影子被攻击者偷走,也将是无用的。主动属性对于抵抗移动攻击者非常有用。

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