Isogeny-Based Quantum-Resistant Undeniable Signatures
POST-QUANTUM CRYPTOGRAPHY, PQCRYPTO 2014(2014)
摘要
We propose an undeniable signature scheme based on elliptic curve isogenies, and prove its security under certain reasonable number-theoretic computational assumptions for which no efficient quantum algorithms are known. Our proposal represents only the second known quantum-resistant undeniable signature scheme, and the first such scheme secure under a number-theoretic complexity assumption.
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关键词
undeniable signatures, elliptic curves, isogenies
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