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In 1979, secret sharing scheme was first proposed by Shamir. In a secret sharing scheme, each participant receives a secret share in such a way that only authorized subsets can reconstruct the secret. Compare with Shamir's scheme, Juan and Huang proposed an efficient secret sharing scheme from room square in 2005. Their scheme gave a practical algorithm to reduce the computation complexity by using...
In 2008, Shi et al. proposed a new (t, n)-threshold secret sharing scheme for image encryption. This paper indicates that their scheme is insecure because it is possible to find the secret image from the public image. In addition, it is inflexible since the width must be equal to the height and the size of the secret images must be the same upon sharing multi-image. Moreover, their scheme is not efficient...
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