公开(公告)号：US09794606B2

公开(公告)日：2017-10-17

申请号：US14264184

申请日：2014-04-29

Applicant: Samsung Electronics Co., Ltd.

Inventor： Sangmi Park ,  Hyunho Park ,  Jupyo Hong

IPC: H04N21/258 ,  H04N21/435 ,  H04N21/4405 ,  H04N21/4408 ,  H04N21/6334 ,  H04N21/835 ,  H04N21/266 ,  G06F21/10 ,  H04L29/06

CPC classification number: H04N21/25816 ,  G06F21/10 ,  H04L63/061 ,  H04L63/10 ,  H04N21/26613 ,  H04N21/4353 ,  H04N21/4405 ,  H04N21/4408 ,  H04N21/6334 ,  H04N21/835

Abstract: Disclosed herein are a method and device for transmitting digital content. A selection of at least one device authorized to receive digital content is detected. It is identified whether each selected device contains a session key that corresponds to a local session key. Digital content is transmitted to each device whose session key corresponds to the local key. Digital content is prevented from transmission to unselected devices not having a corresponding session key.