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Title:
Lattice-based extended withdrawable signatures
Authors: Ramses Fernandez
Abstract:This article presents an extension of the work performed by Liu, Baek and Susilo on extended withdrawable signatures to lattice-based constructions. We introduce a general construction, and provide security proofs for this proposal. As instantiations, we provide concrete construction for extended withdrawable signature schemes based on Dilithium and HAETAE.
ePrint: https://eprint.iacr.org/2025/530
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