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	Crampton, Jason     Options: All Media Types Journals Proceedings Div Books Whole Books Other Date Reviewed Title Author Publisher Published Date Descending Ascending Date Reviewed     1 - 2 of 2 reviews       Practical and efficient cryptographic enforcement of interval-based access control policies Crampton J. ACM Transactions on Information and System Security 14(1): 1-30, 2011.  Type: Article Cryptography-based hierarchical access control has received considerable attention, particularly in recent years. Since its conception, various enforcement schemes have been proposed that address the performance issues and various acce...... Dec 12 2011     Administrative scope: A foundation for role-based administrative models Crampton J., Loizou G. ACM Transactions on Information and System Security 6(2): 201-231, 2003.  Type: Article Role-based access control (RBAC) is a modeling framework for operating system access control policies, in which users are assigned to roles, and roles are assigned permissions to perform system-specific operations. The user-permission-...... Aug 5 2003
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