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Exploiting the Homomorphic Property of Visual Cryptography

机译:利用视觉密码的同态性质

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摘要

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.
机译:本文提出了同态视觉密码方案(HVCS)。提出的HVCS继承了传统VCS的良好特性,如容错(例如(k,n)阈值)和简单重构的方法,其中简单重构的方法意味着秘​​密图像的解密是基于人类视觉系统的(HVS),无需进行任何密码计算。另外,提出的HVCS可以支持加密域(SPED)中的信号处理,例如同态操作和身份验证,可以保护用户的隐私并提高某些应用程序的安全性,例如云计算等。理论分析和仿真结果均证明了所提出的HVCS的有效性和安全性。

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