Decentralized Identifiers and Verifiable Credentials for Smartphone Anticounterfeiting and Decentralized IMEI Database

被引:6
作者
Sghaier Omar, Ahmad [1 ]
Basir, Otman [1 ]
机构
[1] Univ Waterloo, ECE Dept, Waterloo, ON N2L 3G1, Canada
来源
CANADIAN JOURNAL OF ELECTRICAL AND COMPUTER ENGINEERING-REVUE CANADIENNE DE GENIE ELECTRIQUE ET INFORMATIQUE | 2020年 / 43卷 / 03期
关键词
Counterfeiting; Cryptography; Supply chains; Blockchain; counterfeiting; decentralized identifiers; Ethereum; smartphone; verifiable credentials (VCs);
D O I
10.1109/CJECE.2020.2970737
中图分类号
TP3 [计算技术、计算机技术];
学科分类号
0812 ;
摘要
The smartphone industry is lucrative for device counterfeiting with over 1.5 billion devices sold annually in the last three years. In 2017, it is estimated that there were around 184 million counterfeit devices, valued at 45.3 billion EUR, 12.9% of total sales. Beyond its economic impact, smartphone counterfeiting affects various aspects of user security and privacy, harms manufacturer reputation, and degrades service quality. Furthermore, since smartphone devices are attached to different mobile networks globally, challenges arise on how devices' identities are maintained and verified and how the supply chain actors can access the device identity throughout its life cycle with less control from third parties. Decentralized identifiers (DIDs) and verifiable claims implemented on a distributed ledger technology present a powerful candidate to address this challenge. Thanks to Blockchain's use of cryptographic identifiers, record immutability, and provenance, and the features provided by the DIDs and verifiable claims that enable identity management decentralization, portability, and discoverability. This article proposes a smartphone anticounterfeiting system based on an integrated approach of the technologies mentioned above. The proposed system eliminates the need for a central authority and provides the features of identity creation, transfer of ownership, and the capability of fast and secure reporting of stolen devices.
引用
收藏
页码:174 / 180
页数:7
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