چکیده (انگلیسی):

Providing access control for published XML documents on the Web is an important topic. It involves the
use of cryptographic techniques, addressing different requirements and, as a result, facing several
challenges. Existing solutions still have some weaknesses such as system update cost, number of required
secret encryption/decryption keys, size of encrypted document and supporting temporal and delegable
access. This study propose a push--based access control policy enforcement mechanism for addressing these
issues using a Dynamic Key Management Table (DKMT) and based on Identity Based Encryption (IBE).
The proposed mechanism addresses the existing challenges and provides a more acceptable solution.