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Architectural Support for System Protection and Database Security
August 1978 (vol. 27 no. 8)
pp. 767-771
E.B. Fernandez, IBM Corporation, Los Angeles Scientific Center
A set of architectural extensions to a machine of the type of IBM System/370 is proposed. The proposal involves hardware/software interaction to constrain the execution-time behavior of application and higher authority programs. The extensions consist of new states of privilege, enforcement of disciplined transition between states, hardware distinction of information types, and a mechanism to control data transfers between main and external storage. Application of the extensions to a shared database system, where users interact through a high-level language, shows that protection of the operating system and the database can be enhanced significantly with respect to errors or deliberate attacks from users
Index Terms:
tagged architectures, Database security, IBM system/370, storage protection, systems protection
E.B. Fernandez, R.C. Summers, T. Lang, C.D. Coleman, "Architectural Support for System Protection and Database Security," IEEE Transactions on Computers, vol. 27, no. 8, pp. 767-771, Aug. 1978, doi:10.1109/TC.1978.1675189
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