基于区块链的 LLM 对抗恶意对手的高效多方阈值 ECDSA 协议

IF 1.3 4区 计算机科学 Q3 COMPUTER SCIENCE, INFORMATION SYSTEMS
Jing Wang, Xue Yuan, Yingjie Xu, Yudi Zhang
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引用次数: 0

摘要

大型语言模型(LLM)为人工智能带来了重大进步,尤其是在理解和生成人类语言方面。然而,随着大型语言模型能力的增强,人们对其管理负担和数据安全性的担忧也与日俱增。为了解决这个问题,我们设计了一个基于区块链的分布式语言模型框架,在这个框架中,语言模型以分布式模式工作,其输出可以在区块链上存储和验证,以确保完整性、透明度和可追溯性。此外,还需要一种基于多方签名的认证机制,以确保利益相关者在发布前达成共识。为了满足这些要求,我们提出了一种阈值椭圆曲线数字签名算法,可以在有三个或更多参与者的环境中对抗恶意对手。我们的方法依赖于离散对数零知识证明和费尔德曼可验证的秘密共享,通过放弃乘法三重协议降低了复杂性。与一些相关方案相比,这种优化以恒定的轮数加快了密钥生成和签名阶段,同时保持了对恶意对手的安全性。
本文章由计算机程序翻译,如有差异,请以英文原文为准。

An Efficient Multiparty Threshold ECDSA Protocol against Malicious Adversaries for Blockchain-Based LLMs

An Efficient Multiparty Threshold ECDSA Protocol against Malicious Adversaries for Blockchain-Based LLMs

Large language models (LLMs) have brought significant advancements to artificial intelligence, particularly in understanding and generating human language. However, concerns over management burden and data security have grown alongside their capabilities. To solve the problem, we design a blockchain-based distributed LLM framework, where LLM works in the distributed mode and its outputs can be stored and verified on a blockchain to ensure integrity, transparency, and traceability. In addition, a multiparty signature-based authentication mechanism is necessary to ensure stakeholder consensus before publication. To address these requirements, we propose a threshold elliptic curve digital signature algorithm that counters malicious adversaries in environments with three or more participants. Our approach relies on discrete logarithmic zero-knowledge proofs and Feldman verifiable secret sharing, reducing complexity by forgoing multiplication triple protocols. When compared with some related schemes, this optimization speeds up both the key generation and signing phases with constant rounds while maintaining security against malicious adversaries.

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来源期刊
IET Information Security
IET Information Security 工程技术-计算机:理论方法
CiteScore
3.80
自引率
7.10%
发文量
47
审稿时长
8.6 months
期刊介绍: IET Information Security publishes original research papers in the following areas of information security and cryptography. Submitting authors should specify clearly in their covering statement the area into which their paper falls. Scope: Access Control and Database Security Ad-Hoc Network Aspects Anonymity and E-Voting Authentication Block Ciphers and Hash Functions Blockchain, Bitcoin (Technical aspects only) Broadcast Encryption and Traitor Tracing Combinatorial Aspects Covert Channels and Information Flow Critical Infrastructures Cryptanalysis Dependability Digital Rights Management Digital Signature Schemes Digital Steganography Economic Aspects of Information Security Elliptic Curve Cryptography and Number Theory Embedded Systems Aspects Embedded Systems Security and Forensics Financial Cryptography Firewall Security Formal Methods and Security Verification Human Aspects Information Warfare and Survivability Intrusion Detection Java and XML Security Key Distribution Key Management Malware Multi-Party Computation and Threshold Cryptography Peer-to-peer Security PKIs Public-Key and Hybrid Encryption Quantum Cryptography Risks of using Computers Robust Networks Secret Sharing Secure Electronic Commerce Software Obfuscation Stream Ciphers Trust Models Watermarking and Fingerprinting Special Issues. Current Call for Papers: Security on Mobile and IoT devices - https://digital-library.theiet.org/files/IET_IFS_SMID_CFP.pdf
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