Failure of Kak quantum key distribution protocol |
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| Authors: | Ching-Nung Yang Su-Hsuan Chu Bing-Ling Lu |
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| Affiliation: | (1) Department of Computer Science and Information Engineering, National Dong Hwa University, 1, Sec. 2, Da Hsueh Rd., Shou-Feng, Hualien, Taiwan, Republic of China |
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| Abstract: | Kak’s quantum key distribution (QKD) protocol provides not only the distribution but also the integrity of secret key simultaneously in quantum channel. Consequently the additional exchange of information, used to check whether an eavesdropper exists, is unnecessary. In this comment, we will point out the failure of Kak’s protocol and show that Kak’s protocol does not have the joint distribution and integration that the author declares in [1]. |
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| Keywords: | Quantum cryptography quantum key distribution |
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