∆-SQIsign: A New Isogeny-Based Signature Scheme Using Degree Challenges
Ryo Yoshizumi
Isogeny-based cryptography is a kind of cryptography whose security relies on the computational hardness of the isogeny problem. This field is gaining attention as a promising candidate for post-quantum cryptography. Among the notable schemes within this category is SQIsign, a signature schemes that has been submitted to the NIST Post-Quantum Cryptography Standardization competition. In this paper, we introduce a new isogeny-based signature scheme, ∆-SQIsign, which represents a significant depar
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