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The proposed protocols of quantum secure direct communication based on single photons up-to-date are almost two-way communication protocols, in which the probability of Trojan horse attack reduces the security of the communication. The aim of photons transferred forward and backward is to let the receiver know the code bases and the initial states of the photons. One-way quantum secure direct communication...
The quantum cryptography is an emerging technology, which uses quantum mechanics properties of micro-particles to encode information. In the theory and practice, it has been proved to be totally safe. Because of quantum channel being susceptible to be interfered by noise, error correction in quantum communication is facing a big problem today. This article will focus on cyclic redundancy check (CRC)...
Unconditionally secure message authentication is an important part of quantum cryptography (QC). In this correspondence, we analyze security effects of using a key obtained from QC for authentication purposes in later rounds of QC. In particular, the eavesdropper gains partial knowledge on the key in QC that may have an effect on the security of the authentication in the later round. Our initial analysis...
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