Journal Article10.1007/s12083-022-01345-0
Blockchain-based multi-user certificateless encryption with keyword search for electronic health record sharing
7
TL;DR: This work uses the certificateless cryptosystem to encrypt keywords, which solves the certificate management problem and key escrow problem and proves that the proposed scheme is secure against the keyword guessing attack in the random oracle model.
read more
About: This article is published in Peer-to-peer Networking and Applications. The article was published on 25 Jul 2022. The article focuses on the topics: Computer science & Key escrow.
read more
Chat with Paper
AI Agents for this Paper
Find similar papers on Google Scholar, PubMed and Arxiv
Write a critical review of this paper
Analyze citations of this paper to find unaddressed research gaps
Citations
The Role of Blockchain in Medical Data Sharing
TL;DR: In this paper , a review of the state, research trends, and challenges of blockchain in medical data exchange is presented, showing that blockchain can improve patient care and healthcare services by securely sharing data.
Highly secured EHR management system based on blockchain technology with digitally signed authentication using data sanitization and polynomial interpolation
M. Lakshmanan,G. S. A. Mala,K. M. Anandkumar +2 more
TL;DR: This study proposes a blockchain-based EHR management system with digitally signed authentication, utilizing data sanitization and polynomial interpolation to ensure high security and verifiability of patient health data, addressing integrity, management, and security concerns in EHR systems.
3
Certificate-based authenticated encryption with keyword search: Enhanced security model and a concrete construction for Internet of Things
TL;DR: This paper proposes an enhanced security model for Certificate-Based Authenticated Encryption with Keyword Search (CBAEKS) and a concrete instantiation, addressing certificate management and key distribution issues in IoT data storage, while providing multi-ciphertext and multi-trapdoor indistinguishability.
2
Blockchain-Based Supply Chain Financial Ciphertext Retrieval System
24 Feb 2023
TL;DR: Wang et al. as mentioned in this paper proposed a blockchain-based supply chain financial ciphertext retrieval system, which is a multi-keyword fuzzy search based on blockchain, and intelligent contract is used to realize permission control, which ensures the privacy protection of users.
References
An Overview of Blockchain Technology: Architecture, Consensus, and Future Trends
Zibin Zheng,Shaoan Xie,Hong-Ning Dai,Xiangping Chen,Huaimin Wang +4 more
- 25 Jun 2017
TL;DR: An overview of blockchain architechture is provided and some typical consensus algorithms used in different blockchains are compared and possible future trends for blockchain are laid out.
4K
Practical techniques for searches on encrypted data
Dawn Song,David Wagner,Adrian Perrig +2 more
- 14 May 2000
TL;DR: This work describes the cryptographic schemes for the problem of searching on encrypted data and provides proofs of security for the resulting crypto systems, and presents simple, fast, and practical algorithms that are practical to use today.
MedRec: Using Blockchain for Medical Data Access and Permission Management
Asaph Azaria,Ariel Ekblaw,Thiago Vieira,Andrew Lippman +3 more
- 01 Aug 2016
TL;DR: This paper proposes MedRec: a novel, decentralized record management system to handle EMRs, using blockchain technology, and incentivizes medical stakeholders to participate in the network as blockchain “miners”, enabling the emergence of data economics.
2.3K
Certificateless Public Key Cryptography
Sattam S. Al-Riyami,Kenneth G. Paterson +1 more
- 30 Nov 2003
TL;DR: In this article, the concept of certificateless public key cryptography (CL-PKC) was introduced and made concrete, which does not require certificates to guarantee the authenticity of public keys.
Privacy-Preserving Multi-Keyword Ranked Search over Encrypted Cloud Data
TL;DR: This paper proposes a basic idea for the MRSE based on secure inner product computation, and gives two significantly improved MRSE schemes to achieve various stringent privacy requirements in two different threat models and further extends these two schemes to support more search semantics.