Post-quantum distributed ledger for internet of things

被引：19

作者：

Shahid, Furqan ^{[1
]}

Khan, Abid ^{[1
]}

Jeon, Gwanggil ^{[2
]}

机构：

[1] COMSATS Univ Islamabad CUI, Dept Comp Sci, Islamabad, Pakistan

[2] Incheon Natl Univ, Dept Embedded Syst Engn, 119 Acad Ro, Incheon 22012, South Korea

来源：

COMPUTERS & ELECTRICAL ENGINEERING | 2020年 / 83卷

基金：

新加坡国家研究基金会;

关键词：

Distributed ledger technology; Quantum cryptography; Post-quantum digital signatures; Internet of things; Computer; BLOCKCHAIN; IOT; ARCHITECTURE; SECURITY;

D O I：

10.1016/j.compeleceng.2020.106581

中图分类号：

TP3 [计算技术、计算机技术];

学科分类号：

0812 ;

摘要：

Distributed ledger (DL) technology can help us to overcome security and privacy issues in IoT systems, however, merging of these two technologies engenders certain challenges. Cryptocurrencies initiated DL technology to maintain a history of the financial transactions. The size of a DL in a cryptocurrency approaches to hundreds of GBs, whereas, IoT nodes are limited in storage. Similarly, cryptocurrencies incorporate computationally expensive consensus mechanisms, whereas, IoT nodes are limited in computation and energy. Furthermore, the classical DLs (like Bitcoin) are not quantum-resilient. This paper proposes a quantum-secure DL for IoT environments, namely DL for-IoT. The core of our design is a novel one-time signature (OTS) scheme namely, DL-OTS, which is a compact and efficient scheme. DL-OTS offer 75% reduction in signature size and 76% reduction in signature creation time, as compared to the popular Winternitz-OTS+ scheme. Furthermore, DL-OTS is an energy-efficient scheme, which saves 48.7% energy as compared to Winternitz-OTS scheme. (C) 2020 Elsevier Ltd. All rights reserved.

引用

页数：17

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