Technology of Information Security
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3161-3165

Separable reversible data hiding in encrypted domain based on Paillier

Lin Wenbing
Zhang Minqing
Guo Shuai
Kong Yongjun
Key Laboratory of Network & Information Security under Chinese People Armed Police Force(PAP), Engineering University of PAP, Xi'an 710086, China

Abstract

In order to improve the information embedding rate and realize the lossless recovery of the original image after direct decryption, this paper proposed a separable reversible data hiding algorithm in encrypted domain based on Paillier. Firstly, the image owner used the Paillier algorithm to encrypt the image and uploaded it to the cloud server. Then the information hider generated 3 zero matrices in the cloud server and embedded the information through the constructed padding blocks with a size of 2×2. According to different keys, the receiver realized the information extraction and image decryption could be separated. The experimental results show that compared with the traditional reversible embedding algorithm, the proposed scheme will not be distorted after directly decryption and the maximum embedding rate can reach 2 bpp.

Foundation Support

国家自然科学基金资助项目

Publish Information

DOI: 10.19734/j.issn.1001-3695.2021.01.0065
Publish at: Application Research of Computers Printed Article, Vol. 38, 2021 No. 10
Section: Technology of Information Security
Pages: 3161-3165
Serial Number: 1001-3695(2021)10-050-3161-05

Publish History

[2021-10-05] Printed Article

Cite This Article

林文兵, 张敏情, 郭帅, 等. 基于Paillier的可分离密文域可逆信息隐藏 [J]. 计算机应用研究, 2021, 38 (10): 3161-3165. (Lin Wenbing, Zhang Minqing, Guo Shuai, et al. Separable reversible data hiding in encrypted domain based on Paillier [J]. Application Research of Computers, 2021, 38 (10): 3161-3165. )

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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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