AQRS: Anti-quantum ring signature scheme for secure epidemic control with blockchain

Chen, Xue; Xu, Shiyuan; Cao, Yibo; He, Yunhua; Xiao, Ke

doi:10.1016/j.comnet.2023.109595

Cited by 13 publications

(2 citation statements)

References 29 publications

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“…Therefore, the integrity and reliability of business transactions are not always assured. The introduction of hyper ledger supported distributed ledger solutions by offering confidentiality and flexibility 20,21 . But, whenever there is a need for the deployment of blockchain, diverse threats and attacks must be addressed.…”

Section: Introductionmentioning

confidence: 99%

“…The introduction of hyper ledger supported distributed ledger solutions by offering confidentiality and flexibility. 20,21 But, whenever there is a need for the deployment of blockchain, diverse threats and attacks must be addressed. Also, it is highly challenging to offer privacy for the data in blockchain as multiple kinds of threats can occur simultaneously.…”

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A lattice‐based blind ring signature scheme for sensitive data protection in blockchain applications

Khanum

Mustafa

2023

Concurrency and Computation

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SummaryEvery transaction is made public and verified by a third party, and the transparency of blockchain applications leads to privacy leaks. Everyone can access the transaction, making it easier for network analysis to identify the user's identity, which is a major problem with the blockchain. Financial institutions have become hesitant to adopt blockchain technology; as a result, preventing its spread. To confirm that encryption and security are maintained for transactions in the blockchain, this research introduces a zero‐knowledge proof (ZKP) based transaction validation scheme. To increase the security of blockchain applications, the proposed lattice‐based blind ring signature (LBRS) scheme integrates blind and ring signatures and is applied to sensitive data. The data are encrypted using this encryption scheme before being stored with the transactional information in the blocks. The encrypted data is then stored in the blocks, which users can retrieve after verification. The encrypted data is then stored in blocks, which users can retrieve after verification. A verification scheme based on the ZKP is used to prevent unauthorized access and changes to the data. The proposed LBRS scheme meets the security analysis requirement. The performance of an LBRS scheme is compared to other relevant models in terms of execution time, encryption time, and decryption time. Overall, the results are more encouraging and reassuring than other relevant works of interest. Finally, this model provides better computational security and satisfies the requirements like correctness and security analysis.

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Section: Introductionmentioning

confidence: 99%

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confidence: 99%

A lattice‐based blind ring signature scheme for sensitive data protection in blockchain applications

Khanum

Mustafa

2023

Concurrency and Computation

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Post‐quantum attack resilience blockchain‐assisted data authentication protocol for smart healthcare system

Soni,

Chandra,

Gupta

2024

Softw Pract Exp

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The smart healthcare system (SHS), a significant medical domain underpinning the Internet of Things (IoT), which collects and analyzes health data from many sources to provide better medical treatment. The smart healthcare system is a combination of hardware and software used in the medical care field, providing remote diagnosis and treatment via a patient‐based health data‐sharing system. To increase security, a large variety of authenticated techniques have been developed over the past several decades, most of which are based on conventional number‐theoretic assumptions such as discrete logarithms and integer factorization problems. However, Shor's method is capable of solving number‐theory‐based problems. As a result, Shor's technique might be used to resolve challenging number theory problems on a quantum computer effectively. Therefore, this article presents blockchain‐based healthcare record solutions with lattice RLWE‐based key exchange protocol using a smart card. Blockchain applications may correctly detect errors, including those that are risky, in the medical industry. It can also improve the efficiency, security, and transparency of transferring medical data throughout the healthcare protocol. The formal security of this protocol is shown under the ROM (random oracle model), and the informal security is also given in this article against well‐known attacks. The presented protocol outperforms related earlier mechanisms in terms of communication and computational cost overheads, according to the performance study.

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Post-Quantum Public-Key Authenticated Searchable Encryption with Forward Security: General Construction, and Applications

Xu,

Cao,

Chen

et al. 2024

Lecture Notes in Computer Science

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AQRS: Anti-quantum ring signature scheme for secure epidemic control with blockchain

Cited by 13 publications

References 29 publications

A lattice‐based blind ring signature scheme for sensitive data protection in blockchain applications

A lattice‐based blind ring signature scheme for sensitive data protection in blockchain applications

Post‐quantum attack resilience blockchain‐assisted data authentication protocol for smart healthcare system

Post-Quantum Public-Key Authenticated Searchable Encryption with Forward Security: General Construction, and Applications

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