Allen W. Luniewski, James W. Stamos and Luis-Felipe Cabrera, A Design for Fine-Grained Access Control in Melampus, 2nd International Workshop on Object-Orientation in Operating Systems (IWOOOS), Palo Alto, October 1991.  Home/Search   Document Not in Database   Summary   Related Articles   Check

....activities. While many experimental distributed object oriented systems have been designed and implemented (Gothic [ Bantre91] Clouds [Dasgupta90] Emerald [Hutchinson87] Argus [Liskov85] few have addressed the development of protected applications in such an environment (Melampus [ Luniewski91] , Birlix [Kowalski90 ] In the Guide project, we have designed and implemented a distributed system that not only intends to support the above model, but also provides mechanisms for the development of protected cooperative applications. The advantages of the provided mechanisms are that they ....

....server, he needs to manage its segments in a ring inferior to the ring in which client processes execute. This means that the server will have rights on the segments managed by its clients (in some upper rings) and that mutually suspicious sub systems cannot be implemented. 2. 3 Melampus Melampus [Luniewski91] is an object oriented system developed at the IBM Almaden Research Center that provides access control mechanisms based on access lists, but it differs from others by the fact that its lists contain object owners. An object s access list gives the users whose objects may invoke that instance. The ....

Allen W. Luniewski, James W. Stamos and Luis-Felipe Cabrera, A Design for Fine-Grained Access Control in Melampus, 2nd International Workshop on Object-Orientation in Operating Systems (IWOOOS), Palo Alto, October 1991.

....the server may not want to rely on the client safety, and the client may also not want the server protection to rely on the safety of its own objects. Another instance of this class of systems is systems which protection is based on access lists that contain object owners (e.g. Melampus [ Luniewski91] ) An access list is associated with each object and lists the users whose objects may invoke that instance. Then, they have similar problems to capability based systems, since no check on the original issuer (user) of a request is made. Systems which make the rights depend on the calling ....

Allen W. Luniewski, James W. Stamos and Luis-Felipe Cabrera, A Design for Fine-Grained Access Control in Melampus, 2nd International Workshop on Object-Orientation in Operating Systems (IWOOOS), Palo Alto, October 1991.

....this, cryptographic protection of the capabilities make them more difficult to forge. 2.6 CACL CACL [49] is an efficient protection scheme for object oriented systems which does not require any architectural support. CACL was developed at the IBM Almaden Research Centre for the Melampus project [50, 51] although the ideas from CACL may be widely used. The protection scheme aims to provide a cost efficient method for supporting fine grained access control on objects based on using ACLs integrated with the type system (the name CACL is a combination of C apabilities and Access Control Lists) The ....

A. W. Luniewski, J. M. Stamos, and L.-F. Cabrera. A design for fine-grained access control in Melampus. In International Workshop on Object-Orientation in Operating Systems, Palo Alto, CA, October 1991.

....as a set of objects shared by concurrent activities. While many experimental distributed object oriented systems have been designed and implemented (Gothic [2] Clouds [7] Emerald [10] Argus [14] few have addressed the development of protected applications in such an environment (Melampus [15], Birlix [12] In the Guide project, we have designed and implemented a distributed system that not only intends to support the above model, but also provides mechanisms for the development of protected cooperative applications. The advantages of the provided mechanisms are that they allow the ....

....he needs to manage its segments in a ring inferior to the ring in which client processes execute. This means that the server will have rights on the segments managed by its clients (in some upper rings) and that mutually suspicious sub systems cannot be implemented. 2. 3 Melampus Melampus [15] is an object oriented system developed at the IBM Almaden Research Center that provides access control mechanisms based on access lists, but it differs from others by the fact that its lists contain object owners. An object s access list gives the users whose objects may invoke that instance. The ....

Allen W. Luniewski, James W. Stamos, Luis-Felipe Cabrera, "A Design for Fine-Grained Access Control in Melampus", 2nd International Workshop on Object-Orientation in Operating Systems (IWOOOS), Palo Alto, October 1991.

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