Abstract

JIMENEZ-RODRIGUEZ, Maricela; FLORES-SIORDIA, Octavio  and  GONZALEZ-NOVOA, María Guadalupe. System for Information Encryption Implementing Several Chaotic Orbits. Ing. invest. y tecnol. [online]. 2015, vol.16, n.3, pp.335-343. ISSN 2594-0732.

This article proposes a symmetric encryption algorithm that takes, as input value, the original information of length L, that when encoded, generates the ciphertext of greater length LM. A chaotic discrete system (logistic map) is implemented to generate 3 different orbits: the first is used for applying a diffusion technique in order to mix the original data, the second orbit is combined with the mixed information and increases the length of L to LM, and with the third orbit, the confusion technique is implemented. The encryption algorithm was applied to encode an image which is then totally recovered by the keys used to encrypt and his respective, decrypt algorithm. The algorithm can encode any information, just dividing into 8 bits, it can cover the requirements for high level security, it uses 7 keys to encrypt and provides good encryption speed.

Keywords : algorithm; symmetric encryption; chaos; logistic map; confusion; diffusion.

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