Methods and apparatus for controlling access to a resource

Details Methods and apparatus for controlling access to a resource Methods and apparatus for controlling access to a resource

2007-02-27

2007-02-27

Moazzami, Nasser (Department: 2136)

Electrical computers and digital processing systems: support

Multiple computer communication using cryptography

Central trusted authority provides computer authentication

C713S167000, C726S027000, C726S017000, C707S793000, C707S793000, C707S793000, C707S793000

Reexamination Certificate

active

09611913

ABSTRACT:
An input/output interface receives an access request from a requester. A processor associated with the input/output interface applies a filter operation to select a subset of rules from a master set of rules maintained within an authorization database. Rules can be selected in this manner using filter operations so that all rules in the rule set need not be processed. A rule may include a disregard instruction. The processor further performs at least one rule operation based on the subset of rules to produce an access control decision in the memory system until either a rule operation including a disregard instruction is performed to limit performance of rule operations in the selected set of rules or until all rule operations in the selected set of rules that are applicable to the access control decision are performed.

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