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A privacy-preserving Blockchain with fine-grained access control

被引：0
|
作者：
Adams, Carlisle [1 ]
机构：
[1] Univ Ottawa, Sch Elect Engn & Comp Sci, Ottawa, ON, Canada
来源：
SECURITY AND PRIVACY | 2020年 / 3卷 / 02期
基金：
加拿大自然科学与工程研究理事会;
关键词：
access control; Blockchain; cryptography; key derivation; mental health; privacy;
D O I：
10.1002/spy2.97
中图分类号：
TP [自动化技术、计算机技术];
学科分类号：
0812 ;
摘要：
This article proposes a simple, efficient, and easy-to-use mechanism to add privacy and fine-grained access control features to a traditional Blockchain. It uses standard cryptographic algorithms and techniques, along with a novel key derivation algorithm and a fuzzy extractor component (that derives a cryptographic key from a biometric), to make access control functionality very simple for nonexpert users. Such a Blockchain would be suitable for the storage of participant data postings in long-term-isolated environments.
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页数：9
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