Abstract:Montgomery multiplication is used to speed up modular multiplications involved in public-key cryptosystems. However, it requires conversion of parameters into N -residue representation. These additional pre-computations can be costly for low resource devices like smart cards. In this paper, we propose a new, more efficient method, suitable for smart card implementations of most of public-key cryptosystems. Our approach essentially consists in modifying the representation of the key and the algorithm embedded i… Show more
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