Determination of access checks in a mixed role based access control and discretionary access control environment
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United States of America Patent
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Feb 22, 2011
Grant Date -
Oct 30, 2008
app pub date -
Apr 30, 2007
filing date -
Apr 30, 2007
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A computer implemented method, apparatus, and computer program product for access control in a mixed discretionary access control and role based access control environment. In one embodiment, an execution access for a command is determined using a set of role based authorizations for a user invoking the command. In response to a determination that the user invoking the command is authorized based on the set of role based authorizations, a privilege in a set of privileges associated with the command is raised. Raising the privilege in the set of privileges bypasses discretionary access control checks. In response to a determination that the user invoking the command is unauthorized based on the set of role based authorizations, an execution access for the command is determined using a set of discretionary access mode bits associated with the command.
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