An Image Secret Sharing Method Based on Shamir Secret Sharing

Selda Calkavur¹* and Fatih Molla²

Received: November 12, 2018;   Published: November 20, 2018

DOI: 10.32474/CTCSA.2018.01.000106

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Abstract

This paper presents an image secret sharing method based on Shamir secret sharing method. We use the matrix projection to construct secret sharing scheme. A secret image to be divided as n image shares such that:

i) Any k image shares (k ≤n) can be used to reconstruct the secret image in lossless manner and

ii) Any (k-1) or fewer image shares cannot get sufficient information too reveal the secret image.

It is an effective, reliable and secure method to prevent the secret image from being lost, stolen and corrupted. In comparison with other image secret sharing method this approach’s advantages are its strong protection of the secret image and its ability for real time processing.

Keywords: Image secret sharing; Finite field; Matrix projection

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