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CLC number: TN918.4

On-line Access: 2021-02-01

Received: 2019-06-27

Revision Accepted: 2019-11-14

Crosschecked: 2020-05-28

Cited: 0

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Citations:  Bibtex RefMan EndNote GB/T7714


Jiang-shan Chen


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Frontiers of Information Technology & Electronic Engineering  2021 Vol.22 No.2 P.244-250


Novel efficient identity-based signature on lattices

Author(s):  Jiang-shan Chen, Yu-pu Hu, Hong-mei Liang, Wen Gao

Affiliation(s):  State Key Laboratory of Integrated Services Networks, Xidian University, Xian 710071, China; more

Corresponding email(s):   JSChen@mnnu.edu.cn

Key Words:  Identity-based signature, Lattice, Strong unforgeability, Random oracle model

Jiang-shan Chen, Yu-pu Hu, Hong-mei Liang, Wen Gao. Novel efficient identity-based signature on lattices[J]. Frontiers of Information Technology & Electronic Engineering, 2021, 22(2): 244-250.

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journal="Frontiers of Information Technology & Electronic Engineering",
publisher="Zhejiang University Press & Springer",

%0 Journal Article
%T Novel efficient identity-based signature on lattices
%A Jiang-shan Chen
%A Yu-pu Hu
%A Hong-mei Liang
%A Wen Gao
%J Frontiers of Information Technology & Electronic Engineering
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%P 244-250
%@ 2095-9184
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%I Zhejiang University Press & Springer
%DOI 10.1631/FITEE.1900318

T1 - Novel efficient identity-based signature on lattices
A1 - Jiang-shan Chen
A1 - Yu-pu Hu
A1 - Hong-mei Liang
A1 - Wen Gao
J0 - Frontiers of Information Technology & Electronic Engineering
VL - 22
IS - 2
SP - 244
EP - 250
%@ 2095-9184
Y1 - 2021
PB - Zhejiang University Press & Springer
ER -
DOI - 10.1631/FITEE.1900318

With the rapid development of electronic information technology, digital signature has become an indispensable part of our lives. Traditional public key certificate cryptosystems cannot overcome the limitations of certificate management. Identity-based cryptosystems can avoid the certificate management issues. The development of quantum computers has brought serious challenges to traditional cryptography. Post-quantum cryptography research is imperative. At present, almost all post-quantum identity-based signature (IBS) schemes are constructed using Gaussian sampling or trapdoor technologies. However, these two technologies have a great impact on computational efficiency. To overcome this problem, we construct an IBS scheme on lattices by employing Lyubashevsky’s signature scheme. Based on the shortest vector problem on lattices, our scheme does not use Gaussian sampling or trapdoor technologies. In the random oracle model, it is proved that our scheme is strongly unforgeable against adaptive chosen messages and identity attacks. The security level of our scheme is strongly unforgeable, which is a higher level than the existential unforgeability of other schemes. Compared with other efficient schemes, our scheme has advantages in computation complexity and security.





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