Distributed Configuration, Authorization and Management in the Cloud-Based Internet of Things

Henze, Martin; Wolters, Benedikt; Matzutt, Roman; Zimmermann, Torsten; Wehrle, Klaus

doi:10.1109/trustcom/bigdatase/icess.2017.236

Cited by 26 publications

(17 citation statements)

References 21 publications

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“…Such transaction outputs are inherently unspendable, and thus they are not included in the UTXO set. Consequently, block-pruning schemes, such as CoinPrune, would remove this data and thereby break higherlevel applications, e.g.,, audit systems [2]- [4].…”

Section: B Preservation Of Application-level Datamentioning

confidence: 99%

“…Using the blockchain, all nodes can independently verify the transaction history, allowing mutually distrusting peers to establish consensus about the correctness of those transactions. This consensus also enables, for instance, audit systems [2]- [4], transparency overlays [5], [6], bootstrapping anonymity services [7], and smart contracts [8].…”

Section: Introductionmentioning

confidence: 99%

“…3) CoinPrune further renders objectionable content in the UTXO set (and thus its snapshots) harmless by obfuscating values to make the content inaccessible without losing the corresponding transactions' verifiability. Simultaneously, CoinPrune preserves short chunks of non-financial data from OP_RETURN transaction outputs, which are essential for higher-level applications such as audit systems [2]- [4], in an additional application data storage. 4) Our evaluation shows that CoinPrune reduces disk space utilization for full nodes by 87 % while still enabling new nodes to synchronize.…”

Section: Introductionmentioning

confidence: 99%

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CoinPrune: Shrinking Bitcoin’s Blockchain Retrospectively

Matzutt

Kalde

Pennekamp

et al. 2021

IEEE Trans. Netw. Serv. Manage.

Self Cite

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Popular cryptocurrencies continue to face serious scalability issues due to their ever-growing blockchains. Thus, modern blockchain designs began to prune old blocks and rely on recent snapshots for their bootstrapping processes instead. Unfortunately, established systems are often considered incapable of adopting these improvements. In this work, we present Coin-Prune, our block-pruning scheme with full Bitcoin compatibility, to revise this popular belief. CoinPrune bootstraps joining nodes via snapshots that are periodically created from Bitcoin's set of unspent transaction outputs (UTXO set). Our scheme establishes trust in these snapshots by relying on CoinPrune-supporting miners to mutually reaffirm a snapshot's correctness on the blockchain. This way, snapshots remain trustworthy even if adversaries attempt to tamper with them. Our scheme maintains its retrospective deployability by relying on positive feedback only, i.e., blocks containing invalid reaffirmations are not rejected, but invalid reaffirmations are outpaced by the benign ones created by an honest majority among CoinPrune-supporting miners. Already today, CoinPrune reduces the storage requirements for Bitcoin nodes by two orders of magnitude, as joining nodes need to fetch and process only 6 GiB instead of 271 GiB of data in our evaluation, reducing the synchronization time of powerful devices from currently 7 h to 51 min, with even larger potential drops for less powerful devices. CoinPrune is further aware of higher-level application data, i.e., it conserves otherwise pruned application data and allows nodes to obfuscate objectionable and potentially illegal blockchain content from their UTXO set and the snapshots they distribute.

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Section: B Preservation Of Application-level Datamentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

See 1 more Smart Citation

CoinPrune: Shrinking Bitcoin’s Blockchain Retrospectively

Matzutt

Kalde

Pennekamp

et al. 2021

IEEE Trans. Netw. Serv. Manage.

Self Cite

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“…Different attacks that may breach location and identity protection can be seen on IoT's delay-tolerant networking (DTL) or cloud-based system. Likewise, an IoT deployment-based malicious cloud service provider may access sensitive information transmitted to the appropriate destination [59], [60], [61].…”

Section: End-to-end Transportation Safetymentioning

confidence: 99%

Security Threats and Research Challenges of IoT - A Review

Haque

Tasmin

2020

JEA

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Internet of things (IoT) is the epitome of sustainable development. It has facilitated the development of smart systems, industrialization, and the state-of-the-art quality of life. IoT architecture is one of the essential baselines of understanding the widespread adoption. Security issues are very crucial for any technical infrastructure. Since IoT comprises heterogeneous devices, its security issues are diverse too. Various security attacks can be responsible for compromising confidentiality, integrity, and availability. In this paper, at first, the IoT architecture is described briefly. After that, the components of IoT are explained with perspective to various IoT based applications and services. Finally, various security issues, including recommended solutions, are elaborately described and the potential research challenges and future research directions.

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“…This raises the worries about the security and protection of the IoTs [12,13,14]. The answer for security and protection issues is to incorporate security highlights, for example, gadget identification, gadget/client verification and information encryption [15,16,17]. These security capacities are regularly considering the cryptographic calculations, including open key cryptography and symmetric cryptography, which involve handling force and increment power and vitality utilization [18,19].…”

Section: Introductionmentioning

confidence: 99%

Study of Security Threats and Challenges in Internet of Things Systems

Chawla¹

2021

TURCOMAT

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The interpretability and secured communication are major challenge in internet of things. The embedding of wireless device has low energy and bandwidth. The low energy and bandwidth cannot effort computational overhead and compromised with security threats. Primary the conventional cryptography algorithm is applied for generation and sharing of key for mode of communication. The conventional cryptography algorithms have several bottleneck issues related to generation of key and distribution of key. The NIST models provides the secured communication channel in the environments of mobility. Lack of integrity, confidentiality and authorization process of data transmitted over the network of internet of things used the concept of key generation and allocation. The process of key generation and authentication provides the authorization and authentication of data over the internet of things. In this paper present the review of security threats of internet of things.

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Distributed Configuration, Authorization and Management in the Cloud-Based Internet of Things

Cited by 26 publications

References 21 publications

CoinPrune: Shrinking Bitcoin’s Blockchain Retrospectively

CoinPrune: Shrinking Bitcoin’s Blockchain Retrospectively

Security Threats and Research Challenges of IoT - A Review

Study of Security Threats and Challenges in Internet of Things Systems

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