A Hierarchical Searchable Encryption Scheme Using Blockchain-Based Indexing

Focusing on the fine-grained access control challenge of multi-user searchable encryption, we propose a hierarchical searchable encryption scheme using blockchain-based indexing (HSE-BI). First, we propose a hierarchical search index structure based on a DAG-type access policy and a stepwise hierarc...

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Bibliographic Details
Main Authors: Yuxi Li, Fucai Zhou, Dong Ji, Zifeng Xu
Format: Article
Language:English
Published: MDPI AG 2022-11-01
Series:Electronics
Subjects:
Online Access:https://www.mdpi.com/2079-9292/11/22/3832