Patent ID: 8910274
Filing Date: 2014-12-09
Classification: G06F

Abstract:
1. A method of implementing a multi-factor authentication scheme in a mobile telephone having a camera and one or more processors, the method comprising: as part of a setup procedure: maintaining, in a storage medium of the mobile telephone, a plurality of applications configured to be executed on the mobile telephone; receiving a request from a user to access the mobile telephone; prompting the user to present a QR Code printed onto paper corresponding to the security QR Code; scanning the QR Code printed onto paper using the camera of the mobile telephone; determining that the QR Code printed onto paper is associated with authorized access to the mobile telephone, wherein the determining comprises decoding the QR Code printed onto paper to derive the encrypted character string, and decrypting the encrypted character string using a public key of the public-private key pair, wherein the public key is stored on the mobile telephone; prompting the user to enter a password; receiving the password from the user at the user input of the mobile telephone; determining that the received password is associated with authorized access to the mobile telephone; and granting the user access to the plurality of applications on the mobile telephone in response to determining that the QR Code printed onto paper is associated with authorized access to the mobile telephone and determining that the received password is associated with authorized access to the mobile telephone.