Exploiting the Homomorphic Property of Visual Cryptography

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Author(s): Xuehu Yan (Hefei Electronic Engineering Institute, China), Yuliang Lu (Hefei Electronic Engineering Institute, China), Lintao Liu (Hefei Electronic Engineering Institute, China), Song Wan (Hefei Electronic Engineering Institute, China), Wanmeng Ding (Hefei Electronic Engineering Institute, China)and Hanlin Liu (Hefei Electronic Engineering Institute, China)
Copyright: 2020
Pages: 12
Source title: Cryptography: Breakthroughs in Research and Practice
Source Author(s)/Editor(s): Information Resources Management Association (USA)
DOI: 10.4018/978-1-7998-1763-5.ch024

Keywords: Cryptography / Cyber and Network Security / Information Science Reference / Security & Forensics

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Abstract

In this paper, homomorphic visual cryptographic scheme (HVCS) is proposed. The proposed HVCS inherits the good features of traditional VCS, such as, loss-tolerant (e.g., (k, n) threshold) and simply reconstructed method, where simply reconstructed method means that the decryption of the secret image is based on human visual system (HVS) without any cryptographic computation. In addition, the proposed HVCS can support signal processing in the encrypted domain (SPED), e.g., homomorphic operations and authentication, which can protect the user's privacy as well as improve the security in some applications, such as, cloud computing and so on. Both the theoretical analysis and simulation results demonstrate the effectiveness and security of the proposed HVCS.

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Exploiting the Homomorphic Property of Visual Cryptography

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