Innovative Cryptographic Access Control: Enhancing Security for Role-Based Systems

2.2.2023 19:10

The importance of improving security in cryptographic access control systems is a must. The study with the focus on the limitations of traditional access control mechanisms, should rely heavily on reference monitors, and offer an alternative solution through cryptographic access control. The goal is to provide a more scalable and deployable solution that relies on the security guarantees of cryptographic primitives and proper key management.

In the new study published by HARPOCRATES, researchers identified two types of attacks not previously described in existing works and proposed two new security definitions to model cryptographic enforcement of Role-Based Access Control (RBAC) policies. The study also highlights the cost of supporting dynamic policy updates and presents two lower bounds to ensure correct and secure access.

The findings of this study could greatly impact the development and implementation of cryptographic access control systems, offering more secure solutions for role-based systems and ensuring the protection of sensitive data. This contribution in the field of cryptographic access control promises to take security to the next level for organizations and businesses.

Full manuscript is available at the link: https://eprint.iacr.org/2022/1268