EnclavePoSt: A Practical Proof of Storage-Time in Cloud via Intel SGX

Zhang, Yang; You, Weijing; Jia, Shaofeng; Liu, Limin; Li, Ziyi; Qian, Wenfei

doi:10.1155/2022/7868502

Cited by 5 publications

(1 citation statement)

References 32 publications

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“…Te data in the enclave cannot be accessed from outside and are not visible to outsiders. Te application is often divided into two parts: a trusted and an untrusted part [35]. Te trusted part of the application is implemented by enclave defnition language (EDL) and executed in the enclave to protect the key data and other resources of the application.…”

Section: Sgx and Trustzonementioning

confidence: 99%

TZEAMM: An Efficient and Secure Active Measurement Method Based on TrustZone

Liu

Lai

Liu

et al. 2023

Security and Communication Networks

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With the rapid development of computer and communication technology, embedded systems are widely used in smart devices. The increasing connectivity of these systems and the difficulties in providing comprehensive security have made such devices vulnerable to malicious attacks. Passive defense technologies and traffic-based intrusion detection technologies are not fully effective against such attacks. Trusted execution environment (TEE) technology can ensure system security against unknown attacks to some extent. Most researchers use TrustZone to implement TEE. However, the problem is that the API interface of the TEE module which provides the service is not secure. Therefore, to actively defend against attacks, we developed a trusted computing active measurement architecture based on TrustZone. To overcome the serious problem that modules in the trusted execution environment need to be passively invoked to provide services, we have proposed an active measurement closed-loop immune mechanism. To reduce the trusted computing base and reduce the performance overhead, we removed certain functional modules from the trusted execution environment. In addition, based on this architecture, we developed a trust chain and dynamic measurement method to ensure the security of the target applications. We changed the traditional attack response method, which requires the entire system to be restarted after an attack, by developing a fallback mechanism that is more suitable for the system. Finally, we verified the effectiveness of the architecture by developing an attack model. Performance testing and analysis showed that the architecture reduced the impact of the security mechanisms on the system. In the future, we will extend our research to more fine-grained measurements.

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Section: Sgx and Trustzonementioning

confidence: 99%

TZEAMM: An Efficient and Secure Active Measurement Method Based on TrustZone

Liu

Lai

Liu

et al. 2023

Security and Communication Networks

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nPPoS: Non-interactive Practical Proof-of-Storage for Blockchain

Heo,

Ramachandran,

Jurdak

2024

Blockchain: Research and Applications

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A Comprehensive Survey on Blockchain-Based Decentralized Storage Networks

et al. 2023

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Blockchains are a new approach to creating distributed networks that were first introduced in 2008. It allows the formation of peer-to-peer networks based on consensus, forming chains from accepted blocks without requiring a central authority or centralized controller. A prominent application of this technology is its use in decentralized storage systems. Individuals in decentralized storage networks rent unused hardware storage space to other individuals. A decentralized network utilizing end-to-end encryption eliminates the risk of data loss associated with centralized data control by enabling clients to transmit their files securely. The storage providers must prove that they have kept unaltered files in this network for this time. Many studies have been conducted in this specific domain, most targeting storage capacity and efficiency, but a security, integrity and privacy loophole need to be addressed. This paper presents an overview of blockchain-based storage systems and how they work, followed by a comparison with cloud-based storage networks and a survey of various decentralized storage networks like SIA, File coin, and Storj available on the market. Next, we discuss the advantages and disadvantages of blockchain-based storage. In our final discussion, we examine the security problems of decentralized storage networks and explore potential solutions and research directions for the future.

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EnclavePoSt: A Practical Proof of Storage-Time in Cloud via Intel SGX

Cited by 5 publications

References 32 publications

TZEAMM: An Efficient and Secure Active Measurement Method Based on TrustZone

TZEAMM: An Efficient and Secure Active Measurement Method Based on TrustZone

nPPoS: Non-interactive Practical Proof-of-Storage for Blockchain

A Comprehensive Survey on Blockchain-Based Decentralized Storage Networks

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