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A New Lattice-Based Signature Scheme in Post-Quantum Blockchain Network

Li, Chao-Yang ; Chen, Xiu-Bo ; Chen, Yu-Ling ; Hou, Yan-Yan ; Li, Jian

IEEE access, 2019, Vol.7, p.2026-2033 [Periódico revisado por pares]

Piscataway: IEEE

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  • Título:
    A New Lattice-Based Signature Scheme in Post-Quantum Blockchain Network
  • Autor: Li, Chao-Yang ; Chen, Xiu-Bo ; Chen, Yu-Ling ; Hou, Yan-Yan ; Li, Jian
  • Assuntos: Algorithms ; Bitcoin ; Blockchain ; Cryptography ; Digital signatures ; lattice-based signature ; post-quantum blockchain ; Protocol (computers) ; quantum computer ; Quantum computers ; Quantum computing
  • É parte de: IEEE access, 2019, Vol.7, p.2026-2033
  • Descrição: Blockchain technology has gained significant prominence in recent years due to its public, distributed, and decentration characteristics, which was widely applied in all walks of life requiring distributed trustless consensus. However, the most cryptographic protocols used in the current blockchain networks are susceptible to the quantum attack with rapid development of a sufficiently large quantum computer. In this paper, we first give an overview of the vulnerabilities of the modern blockchain networks to a quantum adversary and some potential post-quantum mitigation methods. Then, a new lattice-based signature scheme has been proposed, which can be used to secure the blockchain network over existing classical channels. Meanwhile, the public and private keys are generated by the Bonsai Trees technology with RandBasis algorithm from the root keys, which not only ensure the randomness, but also construct the lightweight nondeterministic wallets. Then, the proposed scheme can be proved secure in random oracle model, and it is also more efficient than similar literatures. In addition, we also give the detailed description of the post-quantum blockchain transaction. Furthermore, this work can help to enrich the research on the future post-quantum blockchain (PQB).
  • Editor: Piscataway: IEEE
  • Idioma: Inglês
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  • Realização: ABCD-USP USP   Logos de Redes Sociais: Freepik

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