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As it often happens in cryptography, a visual cryptographic method serves as primitive for more evolved file encryption algorithm. During the development and evaluation process of the pixel sieve method, several weaknesses popped out. In the attempt of solving these weaknesses a possibility to transform the method from pixel based graphical cryptographic method to a bit based file cryptographic method...
Secret image sharing is a sharing method to transmit and store images with fault tolerance property. The paper proposes a recursive method to extend conventional secret image sharing more general in application which is named multi-layer secret image sharing. It enables users more controllability to secret images than conventional secret image sharing. Moreover, a useful application is also introduced...
Secret sharing between two or more parties, exploiting multiplicative homomorphic properties of RSA, may result in false data blocks during the extraction of message. This paper investigates factors that lead to such false blocks and suggest a controlled solution by analyzing their probability distribution. In this paper we prove that false blocks do exist and show that larger sizes of the prime product...
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