Welcome to the resource topic for 2009/208
Title:
PUBLIC KEY CRYPTOGRAPHY USING PERMUTATION P-POLYNOMIALS OVER FINITE FIELDS
Authors: Rajesh P Singh, B. K. Sarma, A. Saikia
Abstract: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 is O(m^{3}) multiplication which is equivalent to other multivariate public key cryptosystems. However the decryption is much faster than other multivariate public key cryptosystems. In decryption we need O(m^{2}) left cyclic shifts and O(m^{2}) xor operations.
ePrint: https://eprint.iacr.org/2009/208
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