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Improved arbitrated quantum signature scheme using Bell states

机译:使用贝尔状态的改进仲裁量子签名方案

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We investigate the existing arbitrated quantum signature schemes as well as their cryptanalysis, including intercept-resend attack and denial-of-service attack. By exploring the loopholes of these schemes, the malicious signatory may successfully disavow signed messages, or the receiver may actively negate the signature from the signatory without being detected. By modifying the existing schemes, we develop counter-measures to the attacks using Bell states. The newly proposed scheme puts forward the security of arbitrated quantum signature. Furthermore, several valuable topics are also presented for the further research on quantum signature scheme.
机译:我们研究了现有的仲裁量子签名方案及其密码分析,包括拦截重发攻击和拒绝服务攻击。通过探索这些方案的漏洞,恶意签名者可以成功拒绝签名的消息,或者接收者可以主动从签名者中取消签名,而不会被检测到。通过修改现有方案,我们针对使用贝尔状态的攻击制定了对策。新方案提出了仲裁量子签名的安全性。此外,还提出了一些有价值的主题,用于量子签名方案的进一步研究。

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