Role-Balance Based Multi-Secret Images Sharing using Boolean Operations

• Chi-Shiang Chan,
• Yung-Chen Chou,
• Yi-Hui Chen,
• Yuan-Yu Tsai,

Vol. 8, No. 5, May 28, 2014
10.3837/tiis.2014.05.016, Download Paper (Free):

• Boolean-based VSS
• Multi-secret image sharing
• Visual secret sharing

Abstract

In 2011, Chen and Wu proposed their method of sharing n secret images to n+1 shadow images through the concept of a Boolean-based Visual Secret Sharing (VSS) method. However, the shadow images produced by this method are not equally important. If the participant who owns an important shadow image does not want to cooperate with other participants, most secret images can not be reconstructed. In the proposed method, the relationship between the shadows images and secret images are designed in a circular way mostly. Each shadow image only relates to two secret images. This means that if one participant refuses to cooperate with other participants, there are only two secret images which can not be reconstructed. Moreover, our proposed method only needs to produce n shadow images and n secret images can be shared to them.

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