US 11,057,375 B1
User authentication through registered device communications
Myles Conley, Seattle, WA (US); and Aaron Michael Brown, Seattle, WA (US)
Assigned to Amazon Technologies, Inc, Seattle, WA (US)
Filed by Amazon Technologies, Inc., Seattle, WA (US)
Filed on Jun. 25, 2018, as Appl. No. 16/17,709.
Int. Cl. H04L 29/06 (2006.01)
CPC H04L 63/0853 (2013.01) [H04L 63/0876 (2013.01)] 20 Claims
OG exemplary drawing
 
1. A method, comprising:
generating, via one or more computing devices, a plurality of unique authentication tokens for a user account;
sending, via the one or more computing devices, individual ones of the plurality of unique authentication tokens to corresponding ones of a plurality of client devices registered to the user account, wherein a first unique authentication token of the plurality of unique authentication tokens is embedded within a digital content item, the digital content item comprising at least one of: video content, audio content, or an electronic book, and a second unique authentication token of the plurality of unique authentication tokens specifies a sequence of illuminations for at least one lighted indicator of one of the plurality of client devices, wherein the digital content item into which the first unique authentication token is embedded is sent to a corresponding one of the plurality of client devices before an authentication request is received from a user;
receiving, via the one or more computing devices, the authentication request originated by the user;
responsive to receiving the authentication request, prompting, via the one or more computing devices, the user to access the digital content item in order to provide the first unique authentication token; and
authenticating, via the one or more computing devices, the user for access to the user account based at least in part on the user providing at least N unique authentication tokens of the plurality of unique authentication tokens, the at least N unique authentication tokens including the first unique authentication token, wherein N is an integer greater than one.