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Optimal Use of Montgomery Multiplication on Smart Cards
[chapter]
2006
Lecture Notes in Computer Science
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
doi:10.1007/11733447_18
fatcat:lsisedytwzgt3jlsrat4txxmfa