US 9,813,247 B2
Authenticator device facilitating file security
Erich Peter Stuntebeck, Marietta, GA (US); Kar Fai Tse, Peachtree Corners, GA (US); Chen Lu, Sandy Springs, GA (US); and Chaoting Xuan, Duluth, GA (US)
Assigned to AirWatch LLC, Atlanta, GA (US)
Filed by AirWatch, LLC, Atlanta, GA (US)
Filed on Jul. 20, 2016, as Appl. No. 15/214,954.
Application 15/214,954 is a continuation of application No. 14/580,653, filed on Dec. 23, 2014, granted, now 9,413,754.
Prior Publication US 2016/0330029 A1, Nov. 10, 2016
This patent is subject to a terminal disclaimer.
Int. Cl. H04L 29/06 (2006.01); H04L 9/32 (2006.01); H04L 9/08 (2006.01); H04L 9/14 (2006.01); H04L 9/30 (2006.01); H04W 12/04 (2009.01); H04W 12/06 (2009.01); H04W 4/00 (2009.01); G06F 21/30 (2013.01); H04W 12/08 (2009.01)
CPC H04L 9/3234 (2013.01) [G06F 21/30 (2013.01); H04L 9/0863 (2013.01); H04L 9/14 (2013.01); H04L 9/30 (2013.01); H04L 9/3228 (2013.01); H04L 63/0428 (2013.01); H04L 63/06 (2013.01); H04L 63/068 (2013.01); H04L 63/0846 (2013.01); H04L 63/0853 (2013.01); H04W 4/008 (2013.01); H04W 12/04 (2013.01); H04W 12/06 (2013.01); H04L 63/045 (2013.01); H04L 2463/062 (2013.01); H04W 12/08 (2013.01)] 20 Claims
OG exemplary drawing
 
1. A method for controlling access to an encrypted file, comprising:
establishing a trusted relationship between an authenticator device and a file storage application hosting the encrypted file;
receiving a request to access the encrypted file from an access device;
authenticating the request by determining that the access device has authority to access the encrypted file;
providing a decryption key to the authenticator device when the access device has authority;
providing the encrypted file to the access device;
transmitting the decryption key from the authenticator device to the access device; and
decrypting the encrypted file, by the access device, using the decryption key received from the authenticator device.