基于量子CSS纠错码的量子公钥密码和消息认证
A Quantum Public-Key Cryptosystem and Message Authentication Scheme Based on Quantum CSS Error Correcting Codes
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摘要: 该文利用量子CSS纠错码的构造方法和一般线性码的译码是一个NPC问题建立了一个量子公钥密码体制。其特点是以经典信息作为密钥来加密量子消息，安全性建立在NPC问题量子图灵机(QTM)不可解基础之上。利用此公钥密码体制，该文还给出了一个基于量子CSS纠错码的消息认证方案，并证明了其安全性。Abstract: This paper presents a quantum public-key cryptosystem by using quantum Calderbank-Shor-Steane(CSS) error correcting codes and the NPC problem related with decoding general linear codes. It uses classical key to encrypt quantum message, and its security relies on the fact that NPC problem can not be solved on quantum Turing machines. Based on this public-key cryptosystem, this paper also gives a message authentication scheme and proves its security.
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