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An anonymous attribute-based access control system supporting access structure update

Chegenizadeh, M ; Sharif University of Technology | 2019

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  1. Type of Document: Article
  2. DOI: 10.1109/ISCISC48546.2019.8985155
  3. Publisher: Institute of Electrical and Electronics Engineers Inc , 2019
  4. Abstract:
  5. It is quite common nowadays for clients to outsource their personal data to a cloud service provider. However, it causes some new challenges in the area of data confidentiality and access control. Attribute-based encryption is a promising solution for providing confidentiality and fine-grained access control in a cloud-based cryptographic system. Moreover, in some cases, to preserve the privacy of clients and data, applying hidden access structures is required. Also, a data owner should be able to update his defined access structure at any time when he is online or not. As in several real-world application scenarios like e-health systems, the anonymity of recipients, and the possibility of updating access structures are two necessary requirements. In this paper, for the first time, we propose an attribute-based access control scheme with hidden access structures enabling the cloud to update access structures on expiry dates defined by a data owner. © 2019 IEEE
  6. Keywords:
  7. Access structure update ; Anonymous attribute-based encryption ; Proxy re-encryption ; Chromium compounds ; Cryptography ; Access structure ; Application scenario ; Attribute based access control ; Attribute-based encryptions ; Cloud service providers ; Cryptographic systems ; Hidden access structures ; Proxy re encryptions ; Access control
  8. Source: 16th International ISC (Iranian Society of Cryptology) Conference on Information Security and Cryptology, ISCISC 2019, 28 August 2019 through 29 August 2019 ; 2019 , Pages 85-91 ; 9781728143736 (ISBN)
  9. URL: https://ieeexplore.ieee.org/document/8985155