Toward quantum-resistant strong designated verifier signature Online publication date: Wed, 29-Oct-2014
by Xi Sun; Haibo Tian; Yumin Wang
International Journal of Grid and Utility Computing (IJGUC), Vol. 5, No. 2, 2014
Abstract: This paper proposes two Strong Designated Verifier Signature (SDVS) schemes based on two post-quantum key agreement protocols. One protocol is based on a problem about an isogeny between supersingular elliptic curves. The problem is hypothetically strong against a quantum computer. Another protocol is based on the computational difficulty to solve multivariate algebraic equations of high degree. Our proposals are the first instantiations of a basic design idea about SDVS that are potentially secure against a quantum computer.
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