CLC number: TP309
On-line Access: 2024-08-27
Received: 2023-10-17
Revision Accepted: 2024-05-08
Crosschecked: 2018-04-08
Cited: 0
Clicked: 6319
Yan-wei Zhou, Bo Yang, Hao Cheng, Qing-long Wang. A leakage-resilient certificateless public key encryption scheme with CCA2 security[J]. Frontiers of Information Technology & Electronic Engineering, 2018, 19(4): 481-493.
@article{title="A leakage-resilient certificateless public key encryption scheme with CCA2 security",
author="Yan-wei Zhou, Bo Yang, Hao Cheng, Qing-long Wang",
journal="Frontiers of Information Technology & Electronic Engineering",
volume="19",
number="4",
pages="481-493",
year="2018",
publisher="Zhejiang University Press & Springer",
doi="10.1631/FITEE.1601849"
}
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%T A leakage-resilient certificateless public key encryption scheme with CCA2 security
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%A Bo Yang
%A Hao Cheng
%A Qing-long Wang
%J Frontiers of Information Technology & Electronic Engineering
%V 19
%N 4
%P 481-493
%@ 2095-9184
%D 2018
%I Zhejiang University Press & Springer
%DOI 10.1631/FITEE.1601849
TY - JOUR
T1 - A leakage-resilient certificateless public key encryption scheme with CCA2 security
A1 - Yan-wei Zhou
A1 - Bo Yang
A1 - Hao Cheng
A1 - Qing-long Wang
J0 - Frontiers of Information Technology & Electronic Engineering
VL - 19
IS - 4
SP - 481
EP - 493
%@ 2095-9184
Y1 - 2018
PB - Zhejiang University Press & Springer
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DOI - 10.1631/FITEE.1601849
Abstract: In recent years, much attention has been focused on designing provably secure cryptographic primitives in the presence of key leakage. Many constructions of leakage-resilient cryptographic primitives have been proposed. However, for any polynomial time adversary, most existing leakage-resilient cryptographic primitives cannot ensure that their outputs are random, and any polynomial time adversary can obtain a certain amount of leakage on the secret key from the corresponding output of a cryptographic primitive. In this study, to achieve better performance, a new construction of a chosen ciphertext attack 2 (CCA2) secure, leakage-resilient, and certificateless public-key encryption scheme is proposed, whose security is proved based on the hardness of the classic decisional Diffie-Hellman assumption. According to our analysis, our method can tolerate leakage attacks on the private key. This method also achieves better performance because polynomial time adversaries cannot achieve leakage on the private key from the corresponding ciphertext, and a key leakage ratio of 1/2 can be achieved. Because of these good features, our method may be significant in practical applications.
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