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A secret sharing scheme based on cellular automata |
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| Authors: | A Martín del Rey J Pereira Mateus G Rodríguez Snchez |
| Institution: | aDepartment of Applied Mathematics, University of Salamanca C/Santo Tomás s/n 05003 Ávila, Spain bDepartment of Mathematics, Technical Institute of Guarda, 6300 Guarda, Portugal cDepartment of Applied Mathematics, University of Salamanca Avda. Requejo 33, 49022 Zamora, Spain |
| Abstract: | A new secret sharing scheme based on a particular type of discrete delay dynamical systems: memory cellular automata, is proposed. Specifically, such scheme consists of a (k, n)-threshold scheme where the text to be shared is considered as one of the k initial conditions of the memory cellular automata and the n shares to be distributed are n consecutive configurations of the evolution of such cellular automata. It is also proved to be perfect and ideal. |
| Keywords: | Cellular automata Cryptography Discrete dynamical systems Secret sharing Threshold scheme |
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