【摘 要】
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lattice-based cryptography has been developing rapidly,some cryptosystems are based on computational problems of lattices.There are close connections betwee
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lattice-based cryptography has been developing rapidly,some cryptosystems are based on computational problems of lattices.There are close connections between these computational problems and LWE.Using ring-LWE,we can design more efficient,and more secure cryptosystems.Therefore,it is necessary to further investigate the hardness of the R-LWE problem.Using the conclusions of Gaussian distributions,we give a classical reduction from the most basic computational ideal lattice problem GAPSVP to R-LWE with polynomial modulus.
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