| Title | An Anonymous Attribute-based Access Control System Supporting Access Structure Update |
| Publication Type | Conference Paper |
| Year of Publication | 2019 |
| Authors | Chegenizadeh, Mostafa, Ali, Mohammad, Mohajeri, Javad, Aref, Mohammad Reza |
| Conference Name | 2019 16th International ISC (Iranian Society of Cryptology) Conference on Information Security and Cryptology (ISCISC) |
| Date Published | aug |
| Keywords | access structure update, anonymous attribute-based access control system, anonymous attribute-based encryption, attribute-based encryption, authorisation, cloud computing, cloud service provider, cloud-based cryptographic system, cryptography, cryptology, data confidentiality, data owner, data privacy, fine-grained access control, hidden access structures, Human Behavior, Metrics, outsourcing, personal data, policy-based governance, Proxy re-encryption, pubcrawl, Resiliency, Scalability |
| Abstract | 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. |
| DOI | 10.1109/ISCISC48546.2019.8985155 |
| Citation Key | chegenizadeh_anonymous_2019 |
An Anonymous Attribute-based Access Control System Supporting Access Structure Update