Access control for relational databases is a well researched area. An SQL query is allowed or denied access to database according to the specified access control policy. On the oth...
Abstract. Recently, cryptographic access control has received a lot of attention, mainly due to the availability of efficient Attribute-Based Encryption (ABE) schemes. ABE allows ...
Abstract. In many organizations, it is common to control access to confidential information based on the need-to-know principle; The requests for access are authorized only if the ...
Security services in a multi-user environment are often based on access control mechanisms. Static of an access control policy can be formalised using abstract algebraic models. W...
We present FRAC, a Framework for Role-based Access Control in network file systems. FRAC is a reference monitor that controls the message flow between file system clients and s...