US 11,681,781 B2
Systems and methods for content security
Kyong Park, Philadelphia, PA (US)
Assigned to Comcast Cable Communications, LLC, Philadelphia, PA (US)
Filed by Comcast Cable Communications, LLC, Philadelphia, PA (US)
Filed on Feb. 21, 2018, as Appl. No. 15/901,491.
Prior Publication US 2019/0258778 A1, Aug. 22, 2019
Int. Cl. G06F 21/10 (2013.01); H04L 9/08 (2006.01); H04L 9/40 (2022.01)
CPC G06F 21/10 (2013.01) [G06F 21/105 (2013.01); H04L 9/0819 (2013.01); H04L 63/062 (2013.01); H04L 63/10 (2013.01); G06F 2221/0724 (2013.01); H04L 2463/101 (2013.01)] 12 Claims
OG exemplary drawing
 
1. A method comprising:
transmitting, by a computing device and to an authorization device, a request for authorization for a secure media system to access secured content;
receiving a key container associated with copying the secured content, wherein the key container comprises an encryption key associated with the secure media system and an indication of a permission for the secure media system to access the secured content;
decrypting, by a device security module of the computing device and based on the indication of the permission, the secured content using a content key, wherein the content key is isolated to the device security module;
encrypting, by the device security module and using the encryption key, the secured content; and
routing, by the device security module and to the secure media system, the secured content.