基于量子CSS糾錯(cuò)碼的量子公鑰密碼和消息認(rèn)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(cuò)碼的構(gòu)造方法和一般線性碼的譯碼是一個(gè)NPC問(wèn)題建立了一個(gè)量子公鑰密碼體制。其特點(diǎn)是以經(jīng)典信息作為密鑰來(lái)加密量子消息，安全性建立在NPC問(wèn)題量子圖靈機(jī)(QTM)不可解基礎(chǔ)之上。利用此公鑰密碼體制，該文還給出了一個(gè)基于量子CSS糾錯(cuò)碼的消息認(rèn)證方案，并證明了其安全性。
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關(guān)鍵詞:
- 信息安全;量子密碼;量子CSS糾錯(cuò)碼;公鑰密碼;消息認(rèn)證
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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