Attribute-based Multi-Signature and Encryption for EHR Management: A Blockchain-based Solution
| Autor: | Chien-Chung Shen, Ehsan Meamari, Mahyar Movahed Nejad, Hao Guo, Wanxin Li |
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| Rok vydání: | 2020 |
| Předmět: |
Scheme (programming language)
FOS: Computer and information sciences Authentication Blockchain Computer Science - Cryptography and Security Computer science business.industry Information access Computer security computer.software_genre Encryption Signature (logic) Information sensitivity ComputingMilieux_COMPUTERSANDSOCIETY Enhanced Data Rates for GSM Evolution business computer Cryptography and Security (cs.CR) computer.programming_language |
| Zdroj: | IEEE ICBC |
| DOI: | 10.48550/arxiv.2002.11078 |
| Popis: | The global Electronic Health Record (EHR) market is growing dramatically and has already hit $31.5 billion in 2018. To safeguard the security of EHR data and privacy of patients, fine-grained information access and sharing mechanisms are essential for EHR management. This paper proposes a hybrid architecture of blockchain and edge nodes to facilitate EHR management. In this architecture, we utilize attribute-based multi-signature (ABMS) scheme to authenticate user's signatures without revealing the sensitive information and multi-authority attribute-based encryption (ABE) scheme to encrypt EHR data which is stored on the edge node. We develop the blockchain module on Hyperledger Fabric platform and the ABMS module on Hyperledger Ursa library. We measure the signing and verifying time of the ABMS scheme under different settings, and experiment with the authentication events and access activities which are logged as transactions in blockchain. Comment: This paper is accepted to the Short Paper track by 2020 IEEE International Conference on Blockchain and Cryptocurrency (ICBC 2020) |
| Databáze: | OpenAIRE |
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