中文版 | English
Title

Commitment capacity of classical-quantum channels

Author
DOI
Publication Years
2022
ISSN
2157-8095
ISBN
978-1-6654-2160-7
Source Title
Volume
2022-June
Pages
1058-1063
Conference Date
26 June-1 July 2022
Conference Place
Espoo, Finland
Abstract
We study commitment scheme for classical-quantum channels. To accomplish this we define various notions of commitment capacity for these channels and prove matching upper and lower bound on it in terms of the conditional entropy. Our achievability (lower bound) proof is quantum generalisation of the work of one of the authors (arXiv:2103.11548) which studied the problem of secure list decoding and its application to bit-string commitment. The techniques we use in the proof of converse (upper bound) is similar in spirit to the techniques introduced by Winter, Nascimento and Imai (Cryptography and Coding 2003) to prove upper bound on the commitment capacity of classical channels. However, generalisation of this technique to the quantum case is not so straightforward and requires some new constructions, which can be of independent interest.
Keywords
SUSTech Authorship
First
Language
English
URL[Source Record]
Indexed By
Funding Project
National Natural Science Foundation of China[62171212];
EI Accession Number
20223512624845
EI Keywords
Communication channels (information theory) ; Quantum cryptography
ESI Classification Code
Information Theory and Signal Processing:716.1 ; Quantum Theory; Quantum Mechanics:931.4
Scopus EID
2-s2.0-85136295712
Data Source
Scopus
PDF urlhttps://ieeexplore.ieee.org/stamp/stamp.jsp?tp=&arnumber=9834801
Citation statistics
Cited Times [WOS]:0
Document TypeConference paper
Identifierhttp://kc.sustech.edu.cn/handle/2SGJ60CL/395631
DepartmentDepartment of Physics
量子科学与工程研究院
Affiliation
1.Shenzhen Institute for Quantum Science and Engineering,Southern University of Science and Technology,Shenzhen,518055,China
2.International Quantum Academy (SIQA),Shenzhen,518048,China
3.Guangdong Provincial Key Laboratory of Quantum Science and Engineering,Southern University of Science and Technology,Shenzhen,518055,China
4.Graduate School of Mathematics,Nagoya University,Nagoya,464-8602,Japan
5.Electronics and Communication Science Unit,Indian Statistical Institute,Kolkata,700108,India
First Author AffilicationDepartment of Physics;  Institute for Quantum Science and Engineering
First Author's First AffilicationDepartment of Physics;  Institute for Quantum Science and Engineering
Recommended Citation
GB/T 7714
Hayashi,Masahito,Warsi,Naqueeb Ahmad. Commitment capacity of classical-quantum channels[C],2022:1058-1063.
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