PUF-Based Digital Money with Propagation-of-Provenance and Offline Transfers Between Two Parties

IF 2.1 4区计算机科学 Q3 COMPUTER SCIENCE, HARDWARE & ARCHITECTURE ACM Journal on Emerging Technologies in Computing Systems Pub Date : 2024-05-24 DOI:10.1145/3663676

Benjamin Bean, Cyrus Minwalla, Eirini Eleni Tsiropoulou, Jim Plusquellic

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Abstract

Building on prior concepts of electronic money (eCash), we introduce a digital currency where a physical unclonable function (PUF) engenders devices with the twin properties of being verifiably enrolled as a member of a legitimate set of eCash devices and of possessing a hardware-based root-of-trust. A hardware-obfuscated secure enclave (HOSE) is proposed as a means of enabling a PUF-based propagation-of-provenance (POP) mechanism, which allows eCash tokens (eCt) to be securely signed and validated by recipients without incurring any third party dependencies at transfer time. The POP scheme establishes a chain of custody starting with token creation, extending through multiple bilateral in-field transactions, and culminating in redemption at the token-issuing authority. A lightweight mutual-zero-trust (MZT) authentication protocol establishes a secure channel between any two fielded devices. The POP and MZT protocols, in combination with the HOSE, enables transitivity and anonymity of eCt transfers between online and offline devices.

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基于 PUF 的数字货币，可在双方之间进行证明传播和离线转账

基于之前的电子货币（eCash）概念，我们引入了一种数字货币，在这种数字货币中，物理不可克隆功能（PUF）使设备具有双重属性：可验证地注册为合法电子现金设备集合的成员，并拥有基于硬件的信任根。我们提出了一种硬件混淆安全飞地（HOSE），作为实现基于 PUF 的证明传播（POP）机制的一种手段，该机制允许电子现金令牌（eCt）由接收者安全签名和验证，而不会在传输时产生任何第三方依赖。POP 方案建立了一个监管链，从创建代币开始，经过多个双边场内交易，最后在代币发行机构赎回。轻量级零互信（MZT）认证协议可在任何两个现场设备之间建立安全通道。POP 和 MZT 协议与 HOSE 相结合，实现了在线和离线设备之间电子通信技术传输的可转移性和匿名性。

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来源期刊

ACM Journal on Emerging Technologies in Computing Systems 工程技术-工程：电子与电气

CiteScore

4.80

自引率

4.50%

发文量

审稿时长

3 months

期刊介绍： The Journal of Emerging Technologies in Computing Systems invites submissions of original technical papers describing research and development in emerging technologies in computing systems. Major economic and technical challenges are expected to impede the continued scaling of semiconductor devices. This has resulted in the search for alternate mechanical, biological/biochemical, nanoscale electronic, asynchronous and quantum computing and sensor technologies. As the underlying nanotechnologies continue to evolve in the labs of chemists, physicists, and biologists, it has become imperative for computer scientists and engineers to translate the potential of the basic building blocks (analogous to the transistor) emerging from these labs into information systems. Their design will face multiple challenges ranging from the inherent (un)reliability due to the self-assembly nature of the fabrication processes for nanotechnologies, from the complexity due to the sheer volume of nanodevices that will have to be integrated for complex functionality, and from the need to integrate these new nanotechnologies with silicon devices in the same system. The journal provides comprehensive coverage of innovative work in the specification, design analysis, simulation, verification, testing, and evaluation of computing systems constructed out of emerging technologies and advanced semiconductors