RC4 Cryptosystem is a nonlinear byte level encryption system. This is the most widely used cryptosystem, created by Rivest for RSA Securities Inc. This has two modules known as Pseudo-Random number Generator and Key Scheduler. Key scheduler transforms an initial permutation to a random key permutation. Computational Swarm Intelligence (CSI) is a popular branch of Artificial Intelligence (AI). CSI-based techniques have been used to solve many hard problems of optimization. In this research paper, Discrete Particle Swarm Optimization (DPSO)-based novel technique is applied to solve RC4 stream cipher-based crypts. Authors attempt to find key bits using DPSO-based swarm technique to reduce the number of exhaustive searches significantly. According to obtained results, correct Key bits are computed for the crypts of length 100–300 characters.
CITATION STYLE
Din, M., Pal, S. K., & Muttoo, S. K. (2019). Analysis of RC4 crypts using PSO based swarm technique. In Advances in Intelligent Systems and Computing (Vol. 741, pp. 1049–1056). Springer Verlag. https://doi.org/10.1007/978-981-13-0761-4_98
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