Secure Management of Personal Health Records by Applying Attribute-Based Encryption


Ibraimi, Luan and Asim, Muhammad and Petkovic, Milan (2009) Secure Management of Personal Health Records by Applying Attribute-Based Encryption. [Report]

open access
Abstract:The confidentiality of personal health records is a major problem when patients use commercial Web-based systems to store their health data. Traditional access control mechanisms, such as Role-Based Access Control, have several limitations with respect to enforcing access control policies and ensuring data confidentiality. In particular, the data has to be stored on a central server locked by the access control mechanism, and the data owner loses control on the data from the moment when the data is sent to the requester. Therefore, these mechanisms do not fulfil the requirements of data outsourcing scenarios where the third party storing the data should not have access to the plain data, and it is not trusted to enforce access control policies. In this paper, we describe a new approach which enables secure storage and controlled sharing of patient’s health records in the aforementioned scenarios. A new variant of a ciphertext-policy attribute-based encryption scheme is proposed to enforce patient/organizational access control policies such that everyone can download the encrypted data but only authorized users from the social domain (e.g. family, friends, or fellow patients) or authorized users from the professional
domain (e.g. doctors or nurses) are allowed to decrypt it.
Item Type:Report
Electrical Engineering, Mathematics and Computer Science (EEMCS)
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