The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Oct. 22, 2013
Filed:
Sep. 19, 2008
Ji-wuck Jung, Suwon-si, KR;
Byung-rae Lee, Seoul, KR;
Young-jip Kim, Suwon-si, KR;
Hyun-chul Kim, Suwon-si, KR;
Kyung-shin Lee, Suwon-si, KR;
Ji-Wuck Jung, Suwon-si, KR;
Byung-Rae Lee, Seoul, KR;
Young-Jip Kim, Suwon-si, KR;
Hyun-Chul Kim, Suwon-si, KR;
Kyung-Shin Lee, Suwon-si, KR;
Samsung Electronics Co., Ltd, , KR;
Abstract
Disclosed is a method of recording and storing a broadcast content received for mobile broadcast services in a transmitting-end level. A broadcast receiving terminal includes a type of the key profile in the header of the recorded file for the particular broadcast content, the CIEK which is used in encrypting the broadcast content and encrypted with the second layer encryption key, and the acquisition information on the second layer encryption key. The acquisition information on the second layer encryption key is included in a corresponding field of the header according to the type of the used profile. As in the SRTP and IPSec, a recorded file format in the transmitting-end level recording is the PDCF. Information associated with the encryption of the encrypted broadcast content is stored in the OMA DRM common header box (ohdr box) of the PDCF recorded file.