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Secure Keyword Search and Data Sharing Mechanism for Cloud Computing

Ge, Chunpeng ; Susilo, Willy ; Liu, Zhe ; Xia, Jinyue ; Szalachowski, Pawel ; Fang, Liming

IEEE transactions on dependable and secure computing, 2021-11, Vol.18 (6), p.2787-2800

Washington: IEEE

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  • Título:
    Secure Keyword Search and Data Sharing Mechanism for Cloud Computing
  • Autor: Ge, Chunpeng ; Susilo, Willy ; Liu, Zhe ; Xia, Jinyue ; Szalachowski, Pawel ; Fang, Liming
  • Assuntos: Algorithms ; attribute-based proxy re-encryption ; Cloud computing ; Cloud data sharing ; Cybersecurity ; Data privacy ; Data retrieval ; Data search ; Encryption ; Information sharing ; Infrastructure ; Keyword search ; keyword update ; Keywords ; Search problems ; searchable attribute-based encryption
  • É parte de: IEEE transactions on dependable and secure computing, 2021-11, Vol.18 (6), p.2787-2800
  • Descrição: The emergence of cloud infrastructure has significantly reduced the costs of hardware and software resources in computing infrastructure. To ensure security, the data is usually encrypted before it's outsourced to the cloud. Unlike searching and sharing the plain data, it is challenging to search and share the data after encryption. Nevertheless, it is a critical task for the cloud service provider as the users expect the cloud to conduct a quick search and return the result without losing data confidentiality. To overcome these problems, we propose a ciphertext-policy attribute-based mechanism with keyword search and data sharing (CPAB-KSDS) for encrypted cloud data. The proposed solution not only supports attribute-based keyword search but also enables attribute-based data sharing at the same time, which is in contrast to the existing solutions that only support either one of two features. Additionally, the keyword in our scheme can be updated during the sharing phase without interacting with the PKG. In this article, we describe the notion of CPAB-KSDS as well as its security model. Besides, we propose a concrete scheme and prove that it is against chosen ciphertext attack and chosen keyword attack secure in the random oracle model. Finally, the proposed construction is demonstrated practical and efficient in the performance and property comparison.
  • Editor: Washington: IEEE
  • Idioma: Inglês
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  • Realização: ABCD-USP USP   Logos de Redes Sociais: Freepik

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