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Quantum signature scheme for known quantum messages

Title
Quantum signature scheme for known quantum messages
Authors
Kim, TaewanLee, Hyang-Sook
Ewha Authors
이향숙김태완
SCOPUS Author ID
이향숙scopus; 김태완scopus
Issue Date
2015
Journal Title
PHYSICA SCRIPTA
ISSN
0031-8949JCR Link1402-4896JCR Link
Citation
vol. 90, no. 5
Keywords
quantum signaturequantum messagequantum public-key cryptosystem
Publisher
IOP PUBLISHING LTD
Indexed
SCI; SCIE; SCOPUS WOS scopus
Abstract
When we want to sign a quantum message that we create, we can use arbitrated quantum signature schemes which are possible to sign for not only known quantum messages but also unknown quantum messages. However, since the arbitrated quantum signature schemes need the help of a trusted arbitrator in each verification of the signature, it is known that the schemes are not convenient in practical use. If we consider only known quantum messages such as the above situation, there can exist a quantum signature scheme with more efficient structure. In this paper, we present a new quantum signature scheme for known quantum messages without the help of an arbitrator. Differing from arbitrated quantum signature schemes based on the quantum onetime pad with the symmetric key, since our scheme is based on quantum public-key cryptosystems, the validity of the signature can be verified by a receiver without the help of an arbitrator. Moreover, we show that our scheme provides the functions of quantum message integrity, user authentication and non-repudiation of the origin as in digital signature schemes.
DOI
10.1088/0031-8949/90/5/055103
Appears in Collections:
자연과학대학 > 수학전공 > Journal papers
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