Technology of Information Security
|
App. Res. of Comp. Printed Article
Vol. 38, 2021 No. 4
1199-1202

Identity-based proxy re-encryption scheme based on RLWE problem

Tang Yongli1
Liu Qi1
Zhang Xiaohang2
Ye Qing1
Wang Yongjun1
1. School of Computer Science & Technology, Henan Polytechnic University, Jiaozuo Henan 454000, China
2. Henan Vocational College of Industry & Information Technology, Jiaozuo Henan 454000, China
DOI: 10.19734/j.issn.1001-3695.2020.05.0138

Abstract

Aiming at the problems of low encryption and decryption efficiency and too long ciphertext and key size of the current lattice-based identity-based proxy re-encryption scheme, this paper used the pre-image sampling and dual encryption technology to reconstruct a lattice-based identity-based proxy re-encryption scheme. The scheme utilized the pre-image sampling technique and dual encryption algorithm to extract the user's private key and encrypt the message respectively, then used the agent re-encryption key and the user's private key to re-encrypt and decrypt separately. Security analysis shows that under the standard model, based on the difficult assumption of ring learning with errors, this scheme meets IND-aID-CPA security. Efficiency analysis shows that proposed scheme can effectively shorten the ciphertext and key size, and improve the encryption and decryption efficiency.

Foundation Support

国家自然科学基金资助项目(61802117)
国家“十三五”密码发展基金资助项目(MMJJ20170122)
河南省科技厅资助项目(182102310923,192102210280)
河南省高等学校重点科研项目(18A413001,19A520025)
河南理工大学自然科学基金资助项目(T2018-1)
河南理工大学青年骨干教师资助项目(2018XQG-10)

Publish Information

DOI: 10.19734/j.issn.1001-3695.2020.05.0138
Publish at: Application Research of Computers Printed Article, Vol. 38, 2021 No. 4
Section: Technology of Information Security
Pages: 1199-1202
Serial Number: 1001-3695(2021)04-045-1199-04

Publish History

[2021-04-05] Printed Article

Cite This Article

汤永利, 刘琦, 张晓航, 等. 格上基于RLWE难题的身份基代理重加密方案 [J]. 计算机应用研究, 2021, 38 (4): 1199-1202. (Tang Yongli, Liu Qi, Zhang Xiaohang, et al. Identity-based proxy re-encryption scheme based on RLWE problem [J]. Application Research of Computers, 2021, 38 (4): 1199-1202. )

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  • Application Research of Computers Monthly Journal
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    CN  51-1196/TP

Application Research of Computers, founded in 1984, is an academic journal of computing technology sponsored by Sichuan Institute of Computer Sciences under the Science and Technology Department of Sichuan Province.

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