基于Shamir门限秘密分享的图像可视加密算法

doi:10.11959/j.issn.2096-109x.2018063

Abstract

Abstract:

An image visualization encryption algorithm with authentication function by using Shamir scheme was proposed.The main idea of this algorithm is to obtain the data by segmenting the binary secret image into blocks.Then,Shamir scheme was used to obtain the sub-secret data and simultaneously sign the secret image with the SM2 signature algorithm.And it would embed the shared data and signature information into carrier images.When the restoration is required,a specified number of sub-secret images are required for information extraction,restoration and authentication.The simulation experiment of the scheme shows that the secret image sharing scheme improves the security of secret image storage and transmission.

Key words: secret sharing, SM2 signature, digital watermarking, binary image

CLC Number:

TP309.3

Yifu TAN,Zichen LI. Image visualization encryption algorithm based on Shamir threshold secret key sharing[J]. Chinese Journal of Network and Information Security, 2018, 4(7): 69-76.

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References 12

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载体图像	峰值信噪比/（dB）
Lena图	57.26
Barbara图	57.24
Baboon图	57.21
Peppers图	57.27

Image visualization encryption algorithm based on Shamir threshold secret key sharing

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