The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jan. 25, 2022
Filed:
Apr. 27, 2017
Hewlett-packard Development Company, L.p., Spring, TX (US);
Nassir Mohammad, Bristol, GB;
Helen Balinsky, Bristol, GB;
Hewlett-Packard Development Company, L.P., Spring, TX (US);
Abstract
A method for regulating document access, the method comprising providing a set of access keys for a user, respective ones of the keys providing different user access privileges for components of a composite document, selecting multiple nodes in a distributed storage system, distributing data representing N fragments of encrypted or unencrypted versions of the set of access keys and/or at least one of the individual keys and/or a symmetric key. K, associated with the user across N selected nodes of the distributed storage system, wherein the encrypted versions are encrypted using the symmetric encryption key. K, associated with the user, encrypting data relating to address information of the N selected nodes using a public encryption key of the user to generate a location object and storing the location object as a component of the composite document.