Secure Digital Certificate-Based Data Access Control Scheme in Blockchain

Abstract

Previous contract protocols in blockchains ensure their fairness and traceability by utilizing centralized credible nodes. If credible nodes are dishonest or conspire with the signatory, then other nodes are compromised. Meanwhile, the leakage of sensitive information of participant nodes poses a serious threat to the privacy security of data access in blockchains. To address this issue, this study proposes a secure control method of digital certificate-based data access in blockchains. The proposed method combines blockchain and digital certificate technologies and designs a secure authentication protocol for privacy data in blockchains without verifying the encrypted identity signature of the third-party participant. The highefficiency network forwarding protocol proposed in this work can support the fair contract signing of multiple signers via blockchain. This protocol can protect the privacy of contracts and identities of participants. Experimental results show that the proposed scheme is superior in terms of communication overhead, storage overhead, and detection rate.

Review: Verification Process of Academic Certificates Using Blockchain Technology.

“…After that, the data was analyzed. The academic certificate programs were covered by 20 primary studies: [2], [4], [20], [22], [23], [24], [25], [26], [27], [28], [29], [30], [31], [32], [33], [34], [35], [36], [37], and [38].…”

“…According to four publications [25], [29], [32], and [40], security is still a difficult problem, even though blockchain is renowned for its security and the community's efforts to make the platform reliable and safe [29]. Due to the usage of distributed ledger technology (DSLT) by several academic institutions around the globe, security must be prioritized, and blockchain security and vulnerabilities must be taken into account.…”

Blockchain e Contratos Inteligentes para Aplicações em IoT, Uma Abordagem Prática

“…Certificação: Um esquema desenhado para construir um sistema de certificação descentralizado baseado em blockchain e contratos inteligentes com o objetivo de fornecer serviços de certificado blockchain para a competição de inovação e empreendedorismo de estudantes universitários é explicado em . A proposição de blockchain e certificado digital, junto com um protocolo de autenticação seguro para dados de privacidade em blockchains sem verificar a assinatura de identidade criptografada do terceiro participante é detalhada em [Liu et al 2020].…”

The Challenges of Privacy and Access Control as Key Perspectives for the Future Electric Smart Grid

“…Furthermore, a blockchain-based communication protocol is realized in [141] for overhead balance strategy and faulttolerance strategy. In order to deal with access control gaps in blockchains, this work proposed a digital control scheme of certicate-based data access (CBDA).…”