Secured document access control using recipient lists
AssigneeAdobe Systems Incorporated
InventorsJames D. Pravetz, Thomas J. Malloy
Life of this patent
Estimating the term…
Abstract
A method for providing secured access to a document includes the steps of embedding a permissions attribute into a recipient list. The permissions attribute identifies permissions allowing various levels of access to a predetermined document. Each recipient listed in the recipient list has a corresponding permission associated therewith. Further, the method renders the recipient list and its contents tamper-proof.
Claims44
A method for providing secured access to a document comprising:
- embedding a plurality of permissions attribute into a recipient list listing intended recipients of a predetermined data, said plurality of permissions attribute identifying permissions to access said predetermined data, each said recipient in said recipient list having at least one of said plurality of permissions attribute being associated therewith;
- enforcing said permission on each recipient listed on said recipient list in response to said recipient attempting to access said predetermined document, said enforcing being controlled by a viewer application.
An apparatus for providing secured access to a document comprising:
- a permissions attribute identifying varying levels of permission to access a predetermined document;
- and
- a recipient list listing intended recipients of said predetermined document and having said permissions attribute associated therewith.
A system for providing secured access to a document stored in a computer-readable medium and executable by a computer, comprising:
- a permissions attribute configured to identify varying levels of permission to access a predetermined document;
- and
- a recipient list configured to list intended recipients of said predetermined document and having said permissions attribute associated therewith.
A computer readable media containing executable computer program instructions which when executed on a digital processing system causes the system to perform a method comprising:
- embedding a permissions attribute into a recipient list listing intended recipients of a predetermined document, said permissions attribute identifying permission to access said predetermined document;
- enforcing said permission on each recipient listed on said recipient list in response to said recipient attempting to access said predetermined document, said enforcing being controlled by a viewer application.
Dependencies are inferred from the claim text.