METHOD, APPARATUS, AND COMPUTER PROGRAM PRODUCT FOR SECURE TWO-FACTOR AUTHENTICATION

• Main Authors: OLSZEWSKI, Daniel, PEETERS, Christian, SHERMAN, Imani, TRAYNOR, Patrick G, PATTON, Christopher, SHRIMPTON, Thomas
• Format: Patent
• Language: English
• Published: 10.03.2022
• Subjects: ELECTRIC COMMUNICATION TECHNIQUE; ELECTRICITY; WIRELESS COMMUNICATIONS NETWORKS

Various methods are provided for secure two-factor authentication, and more specifically, for incorporating a layer of security to two-factor authentication using Short Message Service in a manner virtually transparent to the end-user. Methods may include receiving a request for registration for two-factor authentication from a client including a username and password; providing a request for a mobile device number; receiving the mobile device number and a pre-shared key; sending to a mobile device an identity of the client and a server key share; receiving from the mobile device a mobile device key share; sending information corresponding to an exchange with the mobile device and a challenge derived from the pre-shared key to the client in response to the device key share corresponding to the server key share; receiving confirmation of registration with the mobile device; and establishing a shared key in response to verification of the confirmation.