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A privilege-based visual secret sharing model

机译:基于权限的可视秘密共享模型

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摘要

In traditional visual secret sharing (VSS) schemes, every transparency has the same capability for recovery of the secret image. This means that managers are unable to assign an appropriate privilege to participants according to their importance. One way to solve this problem would be to assign each share a suitable recovery capability. In this study, we propose a novel secret sharing method, the privilege-based visual secret sharing model (PVSSM), which allows participants with different privileges. It is assumed that participants having a higher privilege will have a higher ability to recover the secret image. The proposed PVSSM has the following advantages: (1) Each share has an appropriate capability to reveal the secret information corresponding to the privilege of the share holder. (2) The restored image has a better contrast than the traditional VSS method can achieve. (3) The share has the same size as the secret image. (C) 2015 Elsevier Inc. All rights reserved.
机译:在传统的视觉秘密共享(VSS)方案中,每种透明度都具有恢复秘密图像的相同功能。这意味着管理者无法根据其重要性为参与者分配适当的特权。解决此问题的一种方法是为每个共享分配合适的恢复功能。在这项研究中,我们提出了一种新颖的秘密共享方法,即基于特权的视觉秘密共享模型(PVSSM),该模型允许参与者具有不同的特权。假定具有较高特权的参与者将具有较高的恢复秘密图像的能力。提出的PVSSM具有以下优点:(1)每个共享都有适当的能力来显示与股东的特权相对应的秘密信息。 (2)还原后的图像具有比传统VSS方法更好的对比度。 (3)共享具有与秘密映像相同的大小。 (C)2015 Elsevier Inc.保留所有权利。

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