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LULA I: Rollback-Resilient Hash-Based Signatures with Cache-Accelerated Signing

Year: 2026

Type: preprint

Abstract: LULA is Ring0 Labs’ research family of hash-based signature schemes. LULA I produces 5,720-byte signatures. With a 72 MiB signing cache, median signing takes 3.59 ms for 32-byte messages; median verification takes 0.12 ms. Loading a saved cache and producing the first signature takes 5.70 s median. After complete cache loss, three first-signature runs took 330–338 s. The paper examines these memory–latency tradeoffs and compares measured implementations. Rollback-security transfer is conditional; full reference-signer security remains open. Contact: [email protected] Published by Lugel Labs

Source: Zenodo (CERN European Organization for Nuclear Research)

DOI: 10.5281/zenodo.23353280

Author: Gonzalez, Luis Ángel

Language: English

Topic: Cryptography and Data Security

Subfield: Artificial Intelligence

Field: Computer Science

Domain: Physical Sciences

Open Access status: green

OpenAlex ID: W7221830646

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