Auditable Credential Anonymity Revocation Based on Privacy-Preserving Smart Contracts

Li, Rujia1,2; Galindo, David2,3; Wang, Qi1

10.1007/978-3-030-31500-9_23

2019

16113349

1611-3349

14th International Workshop on Data Privacy Management, DPM 2019, and the 3rd International Workshop on Cryptocurrencies and Blockchain Technology, CBT 2019, held in conjunction with the 24th European Symposium on Research in Computer Security, ESORICS 2019

11737 LNCS

355-371

Luxembourg, Luxembourg

GEWERBESTRASSE 11, CHAM, CH-6330, SWITZERLAND

Springer

Anonymity revocation is an essential component of credential issuing systems since unconditional anonymity is incompatible with pursuing and sanctioning credential misuse. However, current anonymity revocation approaches have shortcomings with respect to the auditability of the revocation process. In this paper, we propose a novel anonymity revocation approach based on privacy-preserving blockchain-based smart contracts, where the code self-execution property ensures availability and public ledger immutability provides auditability. We describe an instantiation of this approach, provide an implementation thereof and conduct a series of evaluations in terms of running time, gas cost and latency. The results show that our scheme is feasible and efficient.
© Springer Nature Switzerland AG 2019.

Anonymity revocation Auditability Smart contract Privacy preserving

第一 ; 通讯

英语

EI ; CPCI-S

National Natural Science Foundation of China[11601220]

Computer Science ; Telecommunications

Computer Science, Information Systems ; Computer Science, Theory & Methods ; Telecommunications

WOS:000558296200023

20194807760246

Blockchain ; Computer privacy ; Electronic money

Data Processing and Image Processing:723.2 ; Computer Applications:723.5

EV Compendex

1.Southern University of Science and Technology, Shenzhen, China
2.University of Birmingham, Birmingham, United Kingdom
3.Fetch.AI, Cambridge, United Kingdom

Li, Rujia,Galindo, David,Wang, Qi. Auditable Credential Anonymity Revocation Based on Privacy-Preserving Smart Contracts[C]. GEWERBESTRASSE 11, CHAM, CH-6330, SWITZERLAND:Springer,2019:355-371.