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:
Oct. 30, 2018
Filed:
Feb. 27, 2018
Duo Security, Inc., Ann Arbor, MI (US);
Duo Security, Inc., Ann Arbor, MI (US);
Abstract
A method for distributed trust authentication of one or more users attempting to access one or more service providers operating on a network includes performing primary authentication of a user using a first authentication factor, generating a first partial digital signature for a first authentication response to the primary authentication, performing secondary authentication of the user using a second authentication factor, generating a second partial digital signature for the second authentication response to the secondary authentication, combining the first and second partial digital signatures to form a composite digital signature, and validating the composite digital signature.