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Byzantine Failure against Colluding Attacks in Cloud Data
  • Noman Mazher,
  • Shafiq Hussain
Noman Mazher

Corresponding Author:[email protected]

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Shafiq Hussain
Chenab University of Information Technology


Cloud computing is the next stage in evolution of the internet, which provides large amounts of computing and storage to customers provisioned as a service over the internet. However, cloud computing faces so many security challenges due to the possible compromise or byzantine failures. In this paper, we focus on Ensuring data storage security in cloud computing, which is an important aspect of Quality of Service (QoS). We propose an effective and flexible distribution verification protocol to address data storage security in cloud computing. In this protocol, we rely on erasure code for the availability, reliability of data and utilize token precomputation using Sobol Sequence to verify the integrity of erasure coded data rather than Pseudorandom Data in existing systems. Unlike prior works, our scheme provides more security to user data stored in cloud computing. The performance analysis shows that our scheme is more secure than existing systems against Byzantine failure, unauthorized data modification attacks, and even cloud server colluding attacks.