Dynamic AES Encryption and Blockchain Key Management: A Novel Solution for Cloud Data Security

Mohammed Y. Shakor, Mustafa Ibrahim Khaleel, Mejdl Safran, Sultan Alfarhood, Michelle Zhu

Research output: Contribution to journalArticlepeer-review

Abstract

In the rapidly evolving realm of cloud computing security, this paper introduces an innovative solution to address persistent challenges. The proliferation of cloud technology has brought forth heightened concerns regarding data security, necessitating novel approaches to safeguarding sensitive information. The issue centers on the vulnerability of cloud-stored data, usually necessitating enhanced encryption and key management strategies. Traditional methods usually fall short in mitigating risks associated with compromised encryption keys and centralized key storage. To combat these challenges, our proposed solution encompasses a two-phase approach. In the first phase, dynamic Advanced Encryption Standard (AES) keys are generated, ensuring each file's encryption with a unique and ever-changing key. This approach significantly enhances file-level security, curtailing an attacker's ability to decrypt multiple files even if a key is compromised. The second phase introduces blockchain technology, where keys are securely stored with accompanying metadata, bolstering security and data integrity. Elliptic Curve Cryptography (ECC) public key encryption enhances security during transmission and storage, while also facilitating secure file sharing. In conclusion, this comprehensive approach enhances cloud security, providing robust encryption, decentralized key management, and protection against unauthorized access. Its scalability and adaptability make it a valuable asset in contemporary cloud security paradigms, assuring users of data security in the cloud.

Original languageEnglish
Pages (from-to)26334-26343
Number of pages10
JournalIEEE Access
Volume12
DOIs
StatePublished - 2024

Keywords

  • AES
  • ECC
  • blockchain
  • cloud computing
  • cloud storage
  • dynamic encryption

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