A Chaos-based Arbitrated Quantum Signature Scheme in Quantum Crypotosystem |
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Authors: | Yijun Wang Ke Xu Ying Guo |
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Affiliation: | 1. School of Information Science & Engineering, Central South University, Changsha, 410083, China
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Abstract: | An arbitrated quantum signature (AQS) scheme is demonstrated on a basis of an improved quantum chaotic encryption algorithm using the quantum one-time pad with a chaotic operation string. In this scheme, the signatory signs the message while the receiver verifies the signature’s validity with the aid of the trusty arbitrator who plays a crucial role when a possible dispute arises. Analysis shows that the signature can neither be forged nor disavowed by any malicious attackers. |
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