Paper 2010/557

A Digital Signature Based on Multivariate Polynomials over Fq

Masahiro Yagisawa


We propose the digital signature scheme based on multivariate polynomials over finite fields in this paper. We generate the multivariate a polynomial of high degree F(X) . We construct the digital signature scheme using F(X). Our system is immune from the Gröbner bases attacks because obtaining parameters of F(X) to be secret keys arrives at solving the multivariate algebraic equations that is one of NP complete problems .

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Published elsewhere. Unknown where it was published
digital signaturemultivariate polynomialmultivariate algebraic equationGröbner bases attacksNP complete problems
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tfktyagi2 @ c3-net ne jp
2011-01-14: withdrawn
2010-11-01: received
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