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User access to objects in group based access control based on result of greatest common divisor of assigned unique prime numbers of user and object

  • US 6,189,036 B1
  • Filed: 11/05/1998
  • Issued: 02/13/2001
  • Est. Priority Date: 11/05/1998
  • Status: Expired due to Fees
First Claim
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1. In a group based access control mechanism wherein each of a plurality of access control groups has an associated group number and a set of one or more users assigned thereto, a method for controlling access to objects, comprising the steps of:

  • associating each group'"'"'s group number with a unique prime number;

    assigning each user a user number that is a given function of the group numbers for the groups to which the user is assigned;

    assigning each object an object number that is a given function of the group numbers of the groups having access to the object; and

    determining a greatest common divisor of a given user'"'"'s user number and a given object'"'"'s object number to determine whether the given user may access the given object.

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