Devise an algorithm that generates an access control matrix A for any given history matrix H of the Chinese Wall model

Questions 1. Devise an algorithm that generates an access control matrix A for any given history matrix H of the Chinese Wall model. 2.1 A publisher wishes to implement a DRM scheme for its digital books. Please explain why encipher- ing the contents of the books, and then distributing the appropriate cryptographic keys, is insufficient to provide a digital rights management scheme. Questions 1. Devise an algorithm that generates an access control matrix A for any given history matrix H of the Chinese Wall model. 2.1 A publisher wishes to implement a DRM scheme for its digital books. Please explain why encipher- ing the contents of the books, and then distributing the appropriate cryptographic keys, is insufficient to provide a digital rights management scheme