基于量子CSS糾錯碼的量子公鑰密碼和消息認證
A Quantum Public-Key Cryptosystem and Message Authentication Scheme Based on Quantum CSS Error Correcting Codes
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摘要: 該文利用量子CSS糾錯碼的構造方法和一般線性碼的譯碼是一個NPC問題建立了一個量子公鑰密碼體制。其特點是以經典信息作為密鑰來加密量子消息，安全性建立在NPC問題量子圖靈機(QTM)不可解基礎之上。利用此公鑰密碼體制，該文還給出了一個基于量子CSS糾錯碼的消息認證方案，并證明了其安全性。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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