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In this paper we propose an efficient multivariate public key cryptosystem based on permutation p-polynomials over finite fields. We first characterize a class of permutation p-polynomials over finite fields F q m and then construct a trapdoor function using this class of permutation p-polynomials. The complexity of encryption in our public key cryptosystem(More)
In 1998 [8], Patarin proposed an efficient cryptosystem called Little Dragon which was a variant a variant of Matsumoto Imai cryptosystem C*. However Patarin latter found that Little Dragon cryptosystem is not secure [8], [3]. In this paper we propose a cryptosystem Little Dragon Two which is as efficient as Little Dragon cryptosystem but secure against all(More)
Decentralized load frequency control is more suitable for a large scale power system. Extended State Observer (ESO) based Decentralized load frequency control is implemented in this paper. Here an interconnected system consisting of combinations of three areas Thermal non-reheat, thermal Reheat and Hydro are considered. The state space model of individual(More)
In this paper we propose an efficient multivariate public key cryptosystem. Public key of our cryptosystem contains polynomials of total degree three in plaintext and ciphertext variables, two in plaintext variables and one in ciphertext variables. However, it is possible to reduce the public key size by writing it as two sets of quadratic multivariate(More)
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