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Multiple secret image sharing with general access structure
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DOI：10.1007/s11042-019-08524-x.png)
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Abstract
En 中文
Boolean-operation-based secret image sharing (BSIS), which aims to encode a secret image into some shared images and discloses the original secret image later, has drawn more and more attention in academia. Since Chen and Wu pioneer in proposing the Boolean-operation-based multiple secret image sharing (BMSIS) scheme, there more and more BMSIS schemes proposed in the literature. In order to remove the limitation that in the existing BMSIS schemes, this paper presents Boolean-operation-based multiple-secret image sharing with general access structure for secret reconstruction. Compared with the existing related BMSIS schemes with the property of all-or-nothing reconstruction, the proposed scheme achieves a milestone, i.e., secrets can be reconstructed by the pre-defined access structure. Hence, the secret reconstruction no longer needs to collect all share images. Furthermore, distinct combinations of shares have the ability to disclose the secrets defined in the qualified set. The theoretical analysis and the experimental results demonstrate the proposed scheme does work.
Keywords:
Boolean operation
General access structure
Multiple secret image sharing
Visual secret sharing
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