Lll algorithm - PowerPoint PPT Presentation

Lattices in Crypt-analysis

Lattices in Crypt-analysis. A useful mathematical tool. Preview. Why Lattices? What is the Lattice? “Shortest Vector Problems”. Why Lattices?. RSA C = M e (mod N) &lt;= Break semantic security + random pad C= (M||r) e (mod N) M from C???. What is the Lattice?.

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A More Efficient Algorithm for Lattice Basis Reduction

A More Efficient Algorithm for Lattice Basis Reduction. C.P.SCHNORR Journal of algorithm 9,47-62(1988) 報告者張圻毓. Outline. LLL Algorithm Compare Time. LLL Algorithm. Input : Linearly independent column vector f 1 ……f n Z n Output :

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378 views • 8 slides

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