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Quantum Information Processing

Universal quantum encryption for quantum signature using the swap test

  • 01-10-2018
Published in:
Authors
Min-Sung Kang
Ho-Won Choi
Tanumoy Pramanik
Sang-Wook Han
Sung Moon
Published in
Quantum Information Processing | Issue 10/2018

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Abstract

We suggest a universal quantum encryption scheme suitable for use in quantum signature. The verifier in a variety of quantum signature protocols usually checks for the falsification of the quantum signature state pair by using a swap test. However, these quantum signature protocols are not secure against existential forgery attacks; We prove that the universal quantum encryption scheme proposed in this paper is secure against this type of forgery because it uses the non-(anti)commutativity of an arbitrary unitary operator. In addition, we demonstrate its use in a quantum signature. Moreover, the optimization of this encryption in comparison with other encryption schemes is presented.

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previous article An efficient quantum digital signature for classical messages
next article Multi-party quantum private comparison of size relation with d-level single-particle states
Title
Universal quantum encryption for quantum signature using the swap test
Authors
Min-Sung Kang
Ho-Won Choi
Tanumoy Pramanik
Sang-Wook Han
Sung Moon
Publication date
01-10-2018
Publisher
Springer US
Published in
Quantum Information Processing / Issue 10/2018
Print ISSN: 1570-0755
Electronic ISSN: 1573-1332
DOI
https://doi.org/10.1007/s11128-018-2029-0
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