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:
Sep. 19, 2017
Filed:
May. 28, 2009
Applicants:
Isak Tenenboym, San Jose, CA (US);
Marc T. Kaufman, Woodside, CA (US);
Philip Levy, Los Altos, CA (US);
Inventors:
Isak Tenenboym, San Jose, CA (US);
Marc T. Kaufman, Woodside, CA (US);
Philip Levy, Los Altos, CA (US);
Assignee:
Adobe Systems Incorporated, San Jose, CA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H04L 9/32 (2006.01); G06F 21/64 (2013.01); G06F 21/78 (2013.01);
U.S. Cl.
CPC ...
H04L 9/3247 (2013.01); G06F 21/64 (2013.01); G06F 21/78 (2013.01); H04L 9/321 (2013.01); H04L 9/3265 (2013.01); H04L 9/3268 (2013.01); G06F 2221/2145 (2013.01);
Abstract
Various embodiments include one or more of systems, methods, software, and data structures for validating a digital signature, wherein common information in a certification chain is maintained in one entry of a Document Secure Store (DSS). The DSS separates the Long Term Validation (LTV) information from the digital signature, allowing amendment of and addition to the LTV information in the DSS after a digital signature is applied to a document.