US 12,261,942 B2
Security of surveillance media
Michel Angel, Cheseaux-sur-Lausanne (CH); Hervé Retaureau, Cheseaux-sur-Lausanne (CH); and Antony Celletti, Cheseaux-sur-Lausanne (CH)
Assigned to NAGRAVISION S.A., Cheseaux-sur-Lausanne (CH)
Filed by NAGRAVISION S.A., Cheseaux-sur-Lausanne (CH)
Filed on Jun. 13, 2023, as Appl. No. 18/334,198.
Application 18/334,198 is a continuation of application No. 16/492,625, granted, now 11,714,883, previously published as PCT/EP2018/058628, filed on Apr. 4, 2018.
Claims priority of application No. 17164869 (EP), filed on Apr. 4, 2017.
Prior Publication US 2023/0401292 A1, Dec. 14, 2023
Int. Cl. H04L 29/06 (2006.01); H04L 9/08 (2006.01); H04L 9/40 (2022.01); H04N 7/18 (2006.01); H04N 21/2347 (2011.01); H04N 21/266 (2011.01); G06F 21/10 (2013.01)
CPC H04L 9/0822 (2013.01) [H04L 63/0428 (2013.01); H04L 63/068 (2013.01); H04L 63/08 (2013.01); H04L 63/10 (2013.01); H04N 7/183 (2013.01); H04N 21/2347 (2013.01); H04N 21/26613 (2013.01); G06F 21/107 (2023.08); H04L 2209/60 (2013.01)] 9 Claims
OG exemplary drawing
 
1. A method for securing media content in a network, the method comprising:
at a service provider that is configured to provide security for media content communicated from a media device to a receiving entity:
generating a domain key;
providing the domain key to the media device, wherein the media device is configured to generate audio and/or visual media;
receiving an encrypted media token and a receiving entity identifier from a receiving entity, wherein the encrypted media token comprises a media key, generated by the media device, encrypted using the domain key; and
responsive to determining that the receiving entity is entitled to access media from the media device:
decrypting the encrypted media token using the domain key to obtain the media key; and
providing the media key to the receiving entity.