scispace - formally typeset
Search or ask a question

How does verification and authentication mechanisms with blockchain in cloud computing ? 


Best insight from top research papers

Verification and authentication mechanisms with blockchain in cloud computing involve ensuring data integrity and security. Blockchain, as a tamper-proof ledger, can be integrated with cloud services to prevent data manipulation . By combining cloud computing with blockchain, a distributed network of processing cloud service providers (CSPs) can be established to verify data integrity through Byzantine Fault Tolerance consensus . Additionally, a blockchain-based data integrity verification scheme can be implemented in cloud-edge computing environments to enhance data verification rates without the need for a trusted third party . Furthermore, utilizing blockchain technology in cloud relational databases can enhance security by enabling self-verification mechanisms and preventing erroneous data manipulation . These approaches collectively contribute to maintaining data accuracy, trustworthiness, and security in cloud computing environments.

Answers from top 5 papers

More filters
Papers (5)Insight
Open accessJournal ArticleDOI
Ruba Awadallah, Azman Samsudin 
04 Oct 2021-IEEE Access
8 Citations
Blockchain in cloud computing enhances security through self-verification mechanisms, enabling clients to detect and prevent erroneous database manipulations, ensuring data integrity and preventing internal breaches.
Blockchain enhances data integrity verification in cloud-edge computing by providing a decentralized and immutable ledger for authentication without a trusted third party, improving verification efficiency significantly.
Verification and authentication in cloud computing are enhanced through Linear Elliptical Curve Digital Signature (LECDS) with Hyperledger blockchain, ensuring secure data access and integrity verification for authorized users.
The proposed scheme in the paper combines cloud computing with blockchain using Byzantine Fault Tolerance consensus for verification and immutable data storage in Bitcoin or Ethereum networks.
The paper proposes a blockchain-based searchable encryption scheme with public verifiability and fair payment protocols, ensuring data authenticity and user fairness in cloud computing environments.

Related Questions

How does blockchain's distributed ledger system enhance data privacy and prevent unauthorized access in cloud computing?5 answersBlockchain's distributed ledger system enhances data privacy and prevents unauthorized access in cloud computing by providing a trusted platform for data sharing. By integrating blockchain into end-edge-cloud collaborative architectures, data integrity and availability are ensured while preventing privacy data leakage. Privacy computing technologies are utilized to construct a trusted computing framework based on blockchain smart contracts, breaking data silos and securing private data. Additionally, blockchain-assisted multi-authority attribute-based encryption algorithms with efficient attribute revocation and computation are employed to manage decryption keys securely and offer fine-grained access control over encrypted data. Furthermore, the use of homomorphic encryption technology and zero-knowledge proof schemes in blockchain transactions ensures privacy by allowing updates to ledgers without revealing sensitive transaction details.
Can blockchain-based solutions provide better security for cloud-based applications compared to traditional methods?5 answersBlockchain-based solutions offer enhanced security for cloud-based applications compared to traditional methods. Traditional methods face challenges like key management issues, single points of failure, and high trust costs. In contrast, blockchain technology ensures distributed trust, immutability, and transparency, mitigating security vulnerabilities caused by centralization. Blockchain-assisted techniques address key management problems, enable dynamic access permission updates, and provide efficient user revocation. These solutions combine attributes like confidentiality, fine-grained access control, and secure data sharing while preventing data tampering and unauthorized access. By leveraging blockchain for authentication, authorization, encryption, and verification, cloud-based applications can achieve superior security, scalability, and efficiency, making them more resilient to cyber threats and ensuring trustworthy operations in cloud environments.
How does blockchain technology ensure immutability and data integrity in cloud-based audit trails?4 answersBlockchain technology ensures immutability and data integrity in cloud-based audit trails through its advanced security capabilities and decentralized nature. By using cryptographic hashes, data stored on the blockchain can be verified for accuracy and authenticity, making it difficult for data to be tampered with or corrupted. The blockchain provides a permanent and immutable record of transactions, ensuring that any changes or modifications to the data are detected and addressed. This eliminates the need for third-party auditors and reduces the risk of data leakage or single points of failure. Additionally, the use of blockchain technology in auditing allows for automated verification of auditing activities through smart contracts, providing a more up-to-date picture of data integrity. The efficiency and scalability of blockchain-based databases further enhance the effectiveness of data auditing in the cloud.
How blockchain technology can be used to enhance the security of cloud computing through some known cryptographic techniques?4 answersBlockchain technology can enhance the security of cloud computing through the use of cryptographic techniques. One proposed approach involves encrypting data and storing it on the Ethereum blockchain, allowing clients to quickly determine whether their data has been tampered with before the cloud service provider becomes aware of any potential security breaches. Another solution utilizes identity, access control, and secure authentication protocols implemented on top of blockchain technology. This ensures the authenticity and security of data transmission in cloud computing, with decentralized key management for recovery and revocation, as well as identity verification. Additionally, a cloud-assisted protocol based on elliptical curve cryptography (ECC) and blockchain consortium can provide privacy preservation and security. This protocol combines multiple cryptographic methods to balance the trade-off between privacy and security, ensuring user information is safeguarded from unauthorized use or access.
How blockchain solutions helps verification and authentication of drugs in counterfeit drug prevention?5 answersBlockchain solutions help in the verification and authentication of drugs in counterfeit drug prevention by providing real-time visibility and traceability throughout the pharmaceutical supply chain. The advanced features of blockchain technology enable complete transparency and prevent the circulation of fake medications. Through blockchain-based models, manufacturers can upload drug details for approval, and distributors and retailers can request approved drugs based on their requirements. The use of blockchain technology, such as Ethereum, ensures that transactions are recorded in an immutable digital ledger, making it easy to trace the exact point in the supply chain and detect counterfeit drugs. Additionally, blockchain solutions enhance security by incorporating encryption techniques like AES, ensuring data privacy and preventing unauthorized alterations. By leveraging blockchain technology, the pharmaceutical industry can ensure drug quality, transaction security, and data safety, thereby preventing the circulation of counterfeit drugs.
Block Chain Based Security and Authentication Based on Cloud?5 answersBlock chain technology is being utilized in production network management and cloud storage to enhance security and authentication. The ultra-dense network in the fifth generation faces challenges in user equipment secure access due to independent and dynamic access points. Cloud computing services also face security challenges, and the proposed ID-based Block-chain Authority (IDBA) eliminates key management issues and secure channel requirements. Block chain technology provides characteristics such as "unforgeability," "whole process trace," and "openness and transparency," which create a reliable cooperation mechanism for cloud storage security. Cloud-based access is gaining attention, and block chaining is used for cloud-based authentication to address security issues.

See what other people are reading

How are hashes affected in this paper by quantum computers?
4 answers
In the discussed papers, quantum computing is explored for enhancing hashing techniques. Quantum hashing, utilizing single-photon states and orbital angular momentum encoding, demonstrates collision resistance depending on qubit numbers. The efficiency of quantum hashing with single photons increases as the dimension of information carriers rises, leading to a reduction in the number of qudits required for optimal collision and decoding probabilities. By leveraging quantum algorithms, the process of mapping n-grams to their hashes can be accelerated, significantly benefiting cybersecurity efforts by avoiding the need to re-compute hashes for sets of n-grams, thus reducing computational time. This showcases the potential of quantum computing to revolutionize hashing techniques for improved computational and cryptographic applications.
What is smart grid?
4 answers
A smart grid is an advanced digital system that integrates various components like distributed generation sources, energy storage systems, and advanced metering infrastructure to efficiently manage electricity supply and demand. It utilizes high technology devices to enable two-way power flow, adaptability, sustainability, self-healing capabilities, and flexibility in handling uncertainties. Smart grids leverage technologies such as IoT, Wireless Sensor Networks, and blockchain to optimize energy production, consumption, and distribution, leading to cost-efficiency, enhanced performance, and better energy utilization. By incorporating renewable energy sources and implementing intelligent systems for monitoring and communication, smart grids facilitate energy trading, peer-to-peer transactions, and improved energy management. The concept of smart grids is crucial for addressing the challenges of rising energy demand, unpredictable load patterns, and the need for efficient energy conservation.
What is the correlation between Küllback-Leibler divergence and Jensen-Shannon divergence?
5 answers
The Küllback-Leibler (KL) divergence and Jensen-Shannon (JS) divergence are related in various contexts. The KL divergence is commonly used in Bayesian Neural Networks (BNNs) but has limitations due to being unbounded and asymmetric. In contrast, the JS divergence is bounded, symmetric, and more general, offering advantages over KL divergence. Specifically, in the context of eddy current probe performance evaluation, JS divergences were proposed to assess differences in current distributions, showcasing the practical application of JS divergence in analyzing physical phenomena. Moreover, a study on quantum walked based hash algorithms using JS divergence found that the minimum JS divergence decreases with increasing message length, highlighting its behavior in cryptographic applications. Overall, the correlation between KL and JS divergences lies in their roles within different domains, with JS divergence often offering advantages over KL divergence.
What are the primary benefits of implementing a digital asset management (DAM) system for businesses?
5 answers
Implementing a Digital Asset Management (DAM) system offers several key benefits for businesses. Firstly, DAM systems enhance efficiency and productivity by providing streamlined access, distribution, and sharing of digital assets, ultimately saving time and money. Secondly, the use of blockchain technology in asset management can reduce transaction costs, waiting times, and increase transparency, thus optimizing processes. Additionally, integrating digital technology in asset management systems can significantly reduce time spent on verification, reporting, and documentation, leading to improved sustainability and governance within organizations. Lastly, effective DAM practices involve managing metadata, understanding user needs, and viewing the DAM ecosystem comprehensively, as highlighted in case studies like BBC Redux and The World Digital Library.
How does diploma impact the success rate of entrepreneurs in starting and growing a business?
5 answers
Diplomas play a significant role in the success of entrepreneurs when starting and growing a business. Research indicates that diplomas are crucial for accessing well-paid positions, providing social prestige, and influencing hiring decisions, especially from prestigious universities. Additionally, the authenticity and validity of diplomas are essential, leading to the development of blockchain-based systems to maintain their credibility. Furthermore, the impact of diplomas on wages highlights information frictions in the labor market, emphasizing the importance of acquired knowledge and talent in career progression. Overall, diplomas not only open doors to better opportunities but also contribute to the overall success and growth of entrepreneurs by enhancing their credibility, knowledge base, and access to managerial positions.
What is the Role of Underwater Drones in Deep Sea Exploration?
5 answers
Underwater drones play a crucial role in deep-sea exploration by enabling researchers to collect vast amounts of information from unexplored and hazardous oceanic regions. These drones, equipped with advanced sensors and propulsion systems, aid in mapping the seabed, studying waves, analyzing marine life, locating shipwrecks, and inspecting underwater structures like oil platforms and nuclear reactors. The integration of technologies like artificial intelligence and Blockchain further enhances the capabilities of underwater drones, making them essential tools for oceanographic research, commercial activities, and environmental monitoring. Additionally, innovative systems like a master submarine drone coordinating with follower drones demonstrate the potential for autonomous exploration missions in deep-sea environments, showcasing the evolving landscape of underwater robotics in enhancing deep-sea exploration capabilities.
What are the most effective strategies for improving the performance and security of PAC solutions in healthcare settings?
5 answers
To enhance the performance and security of PACS solutions in healthcare settings, several strategies can be implemented. Firstly, the use of a one-way link data diode system can significantly improve security by limiting physical connections and ensuring data transfer safety. Additionally, incorporating digital watermarking and digital signature technologies can authenticate medical image copyrights and sender/receiver identities, respectively, enhancing security and protecting interests effectively. Furthermore, leveraging blockchain technology, such as Enhanced Proof of Work (E-PoW) consensus, can enhance data security, privacy, and efficiency in IoT-based healthcare monitoring systems. Implementing decentralized approaches like IPFS and blockchain can reduce data failures, improve security, and ensure privacy in healthcare systems. Overall, a combination of these strategies can bolster both the performance and security of PACS solutions in healthcare environments.
How does machine learning impact the security of cryptosystems?
5 answers
Machine learning (ML) plays a crucial role in enhancing the security of cryptosystems. By leveraging ML techniques, such as Logistic Regression, Random Forest Classifier, and XGB Classifier, fraudulent activities within the cryptocurrency industry can be effectively detected with high accuracy. Additionally, ML can aid in the development of blockchain applications, improving their security. Furthermore, in the realm of digital data security, ML, specifically through Support Vector Machine (SVM), can be utilized as a tool for identifying the security levels of encryption algorithms, ensuring the selection of the most suitable encryption strategy to defend against attacks. These findings underscore the significant impact of ML on bolstering the security of cryptosystems and combating potential threats effectively.
What are the key features and benefits of digital asset management systems for businesses and individuals?
5 answers
Digital asset management (DAM) systems offer crucial benefits for businesses and individuals. These systems streamline asset organization, access, and sharing, enhancing efficiency and productivity. Blockchain technology, with its distributed ledger concept, ensures accountability, integrity, and confidentiality, reducing transaction costs and approval waiting times in asset management. Implementing smart contracts on blockchain networks facilitates secure registration and titling of physical assets, enhancing transparency and automating processes. DAM systems, integrated with digital environments, generate valuable information for improved asset management practices, leveraging innovative ICTs for process optimization. By adopting digital technology in asset management, organizations can significantly reduce time, enhance sustainability, and promote good governance through simplified processes and streamlined inspections.
How does the role of a public server impact the efficiency of administrative services?
4 answers
The role of a public server significantly impacts the efficiency of administrative services. Motivated and satisfied public servers play a crucial role in optimizing public resources and enhancing service quality. Implementing digital technologies, such as blockchain, in public administration can lead to cost reduction, improved service delivery efficiency, and increased transparency. Furthermore, optimizing telecommunication infrastructures through the sharing of computing resources and open-source systems can enhance efficiency, reduce costs, and promote waste reduction in public administration. By focusing on factors that influence server motivation and satisfaction, like recognition, support, and merit-based policies, public administrations can cultivate a workforce that is dedicated to improving service delivery and overall efficiency.
What is the concept of carbon credit?
5 answers
The concept of carbon credit revolves around tradable permits or certificates that grant the holder the right to emit one ton of carbon dioxide or its equivalent greenhouse gas. These credits stem from international agreements like the Kyoto Protocol, aiming to reduce global carbon emissions. Industries, businesses, and even individuals can earn carbon credits by reducing their carbon footprint through sustainable practices and innovations. Carbon credits create a market for mitigating greenhouse gas emissions by assigning a monetary value to pollution costs, encouraging emission reductions and incentivizing environmental conservation efforts. Additionally, the proposal of a token-based economy for carbon trading using blockchain technology aims to ensure decentralization and transparency in carbon credit transactions.