2019
DOI: 10.1016/j.ins.2019.02.038
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Cloud-assisted secure eHealth systems for tamper-proofing EHR via blockchain

Abstract: The wide deployment of cloud-assisted electronic health (eHealth) systems has already shown great benefits in managing electronic health records (EHRs) for both medical institutions and patients. However, it also causes critical security concerns. Since once a medical institution generates and outsources the patients' EHRs to cloud servers, patients would not physically own their EHRs but the medical institution can access the EHRs as needed for diagnosing, it makes the EHRs integrity protection a formidable t… Show more

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Cited by 203 publications
(81 citation statements)
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“…After all the findings for cloud-based e-health system security we would like to recommend to consider the papers ( [68], [78], [81], [82], [85]) on blockchain-based mechanism as it is more trending in recent days, the papers ( [74], [75], [76], [80]) on biometric-based mechanism for mobile devices. If anyone considering cryptographic methods for securing cloud-based e-health system then they should consider the papers ( [27], [30], [31], [42], [43], [63], [64] for AES based), ( [43], [64], [69] for RSA based) and ( [38], [42], [51], [53], [63], [65] for ABE based) hybrid system.…”
Section: Discussionmentioning
confidence: 99%
See 1 more Smart Citation
“…After all the findings for cloud-based e-health system security we would like to recommend to consider the papers ( [68], [78], [81], [82], [85]) on blockchain-based mechanism as it is more trending in recent days, the papers ( [74], [75], [76], [80]) on biometric-based mechanism for mobile devices. If anyone considering cryptographic methods for securing cloud-based e-health system then they should consider the papers ( [27], [30], [31], [42], [43], [63], [64] for AES based), ( [43], [64], [69] for RSA based) and ( [38], [42], [51], [53], [63], [65] for ABE based) hybrid system.…”
Section: Discussionmentioning
confidence: 99%
“…In [81], to satisfy the criteria of distribution architecture a protocol named pseudonymbased encryption and different authorities (PBEDA) was proposed along with multi-tier blockchain technology in an e-health system. In [82], blockchain is used to protect the outsourced E-HRs from the illegal alteration as every operation on the outsourcing E-HRs is summed up to a transaction. Nguyen et al [85] proposed an approach using blockchain and peer-to-peer inter-planetary file system (IPFS) storage which provides an efficient access control scheme for secure and decentralized data storage and sharing, shown in figure (3).…”
Section: Non-crypto Techniquesmentioning
confidence: 99%
“…However, these schemes also have the common problem, which is highly dependent on cloud service providers. If some targeted attacks are carried out on cloud service providers, data leakage is likely to occur [9]. For example, the vast majority of network devices are directly allowed to be accessed on the public network under the drive of profits, which leads to hackers to steal sensitive medical data through technical means and conduct illegal transactions to make huge profits.…”
Section: Introductionmentioning
confidence: 99%
“…This scheme stores encrypted medical data in the cloud, and then writes the index value of the data in the cloud to the blockchain. A cloud-assisted electronic health system based on blockchain was presented by [9]. Storing EHRs in blockchain transactions ensures that EHRs will not be changed and realizes the safe sharing of EHRs.…”
Section: Introductionmentioning
confidence: 99%
“…Growing business interest in blockchain has been triggering an enormous amount of research effort goes into blockchain cloud services technology, such as blockchain-enabled edge computation [1], blockchain-powered crowdsource [2], blockchain-based cloudlet management for multimedia workflow [3], cloud health resource sharing based blockchain technology [4], privacy-friendly platform for healthcare data [5], cloud-assisted secure eHealth systems via blockchain [6], trustworthy blockchain-based multi-cloud brokers [7], blockchain-based cloud data management [8]. In turn, arousing academic enthusiasm in blockchain has been inspired by a significant number of demands for blockchain cloud services technology.…”
Section: Introductionmentioning
confidence: 99%