Results 41 to 50 of about 502 (176)

Blockchain‐Enabled Privacy‐Preserving Access Control for EHRs Sharing With Optimized User and Attribute Revocation

open access: yesIET Information Security, Volume 2026, Issue 1, 2026.
Electronic health records (EHRs) have become a crucial application in cloud computing environments, necessitating advanced privacy‐preserving access control mechanisms. Ciphertext policy attribute‐based encryption (CP‐ABE) is a widely recognized solution for secure access control in outsourced data environments.
Khanadech Worapaluk   +2 more
wiley   +1 more source

Cryptanalysis and improvement of blind signcryption scheme based on elliptic curve

open access: yesElectronics Letters, 2019
Blind signcryption schemes are the extension of signcryption schemes. They are used to protect the privacy and identity of the sender from other users, especially in electronic voting and electronic cash payment systems.
Malik Zia Ullah Bashir, R. Ali
doaj   +1 more source

Lattice-based ring signcryption for consortium blockchain

open access: yesJournal of King Saud University: Computer and Information Sciences, 2023
Ring signcryption with no group administrator satisfies the decentralization and blockchain anonymity. In this article, we construct new lattice-based ring signcryption scheme suitable for consortium blockchain (CB-LRSCS), in which the smart contract ...
Huifang Yu, Zhirui Lv
doaj   +1 more source

An efficient signcryption scheme with key privacy and its extension to ring signcryption

open access: yesJournal of Computer Security, 2010
In Information Processing Letters (2006), Tan pointed out that the anonymous signcryption scheme proposed by Yang, Wong and Deng (YWD) in ISC 2005 provides neither confidentiality nor anonymity. However, no discussion has been made on how a secure scheme can be made and there is no secure scheme available to date.
Chung Ki Li   +4 more
openaire   +2 more sources

Fraud Detection in Privacy Preserving Health Insurance System Using Blockchain Technology

open access: yesEngineering Reports, Volume 7, Issue 8, August 2025.
A privacy‐preserving and fraud‐detection‐enabled health insurance claim system has been proposed that addresses the dual challenges of privacy preservation and fraud detection in health insurance claims. The proposed model enables both patients and healthcare providers to submit claims securely, ensuring patient anonymity while effectively detecting ...
Md. Mazharul Islam   +4 more
wiley   +1 more source

A Blockchain‐Based Certificateless Anonymous Cross‐Domain Authentication Scheme for IoV

open access: yesInternational Journal of Intelligent Systems, Volume 2025, Issue 1, 2025.
As an essential component of the internet of things, the internet of vehicles (IoV) holds broad application prospects in areas such as safe driving, intelligent transportation, and service reservations. Due to the security and privacy requirements, anonymous authentication schemes are widely used in IoV. However, traditional certificate‐based anonymous
Hua Wang   +5 more
wiley   +1 more source

A literature review on V2X communications security: Foundation, solutions, status, and future

open access: yesIET Communications, Volume 18, Issue 20, Page 1683-1715, December 2024.
The article first introduces the development history of the past Internet of Vehicles(IoV), summarizes some common V2X security threats, describes the development and application of the SM commercial algorithm in recent years, and finally, statistics and introduces the part of the development process of the security protocols currently used in IoV ...
Zuobin Ying   +3 more
wiley   +1 more source

An efficient and secure quantum blind signature‐based electronic cash transaction scheme

open access: yesIET Quantum Communication, Volume 5, Issue 4, Page 619-631, December 2024.
The authors introduce a novel electronic cash (eCash) transaction scheme designed for quantum security, addressing weaknesses in existing models against quantum computing threats. By analysing various quantum blind signature mechanisms, the study identifies shortcomings and proposes an innovative quantum‐secure transaction framework inspired by D ...
Aman Gupta   +3 more
wiley   +1 more source

Complex Conjugated certificateless-based signcryption with differential integrated factor for secured message communication in mobile network. [PDF]

open access: yesPLoS ONE, 2017
Certificateless-based signcryption overcomes inherent shortcomings in traditional Public Key Infrastructure (PKI) and Key Escrow problem. It imparts efficient methods to design PKIs with public verifiability and cipher text authenticity with minimum ...
Sumithra Alagarsamy, S P Rajagopalan
doaj   +1 more source

Traceable attribute‐based signcryption [PDF]

open access: yesSecurity and Communication Networks, 2013
ABSTRACTSigncryption can provide confidentiality and authenticity for many cryptographic applications. In this study, we propose a new efficient attribute‐based signcryption scheme. This scheme achieves confidentiality against chosen ciphertext attacks and unforgeability against chosen messages attacks in the selective attribute model. In addition, our
Jianghong Wei, Xuexian Hu, Wenfen Liu
openaire   +1 more source

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