KR100794792B1 - 브로드캐스트 프레임 보호 방법 - Google Patents
브로드캐스트 프레임 보호 방법 Download PDFInfo
- Publication number
- KR100794792B1 KR100794792B1 KR1020060074081A KR20060074081A KR100794792B1 KR 100794792 B1 KR100794792 B1 KR 100794792B1 KR 1020060074081 A KR1020060074081 A KR 1020060074081A KR 20060074081 A KR20060074081 A KR 20060074081A KR 100794792 B1 KR100794792 B1 KR 100794792B1
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- South Korea
- Prior art keywords
- frame
- message
- broadcast
- key
- security key
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/60—Network structure or processes for video distribution between server and client or between remote clients; Control signalling between clients, server and network components; Transmission of management data between server and client, e.g. sending from server to client commands for recording incoming content stream; Communication details between server and client
- H04N21/63—Control signaling related to video distribution between client, server and network components; Network processes for video distribution between server and clients or between remote clients, e.g. transmitting basic layer and enhancement layers over different transmission paths, setting up a peer-to-peer communication via Internet between remote STB's; Communication protocols; Addressing
- H04N21/633—Control signals issued by server directed to the network components or client
- H04N21/6332—Control signals issued by server directed to the network components or client directed to client
- H04N21/6334—Control signals issued by server directed to the network components or client directed to client for authorisation, e.g. by transmitting a key
- H04N21/63345—Control signals issued by server directed to the network components or client directed to client for authorisation, e.g. by transmitting a key by transmitting keys
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/20—Servers specifically adapted for the distribution of content, e.g. VOD servers; Operations thereof
- H04N21/23—Processing of content or additional data; Elementary server operations; Server middleware
- H04N21/234—Processing of video elementary streams, e.g. splicing of video streams or manipulating encoded video stream scene graphs
- H04N21/2347—Processing of video elementary streams, e.g. splicing of video streams or manipulating encoded video stream scene graphs involving video stream encryption
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- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Computer Networks & Wireless Communication (AREA)
- Computer Security & Cryptography (AREA)
- Small-Scale Networks (AREA)
Abstract
Description
Claims (8)
- 송신국과 수신국 간에 브로드캐스트된 프레임의 인증을 통하여 보호하는 브로드캐스트 프레임 보호 방법에 있어서,현재 프레임의 보안키 및 메시지 통합 코드(MIC)가 포함된 브로드캐스트 프레임을 생성하는 프레임 생성 단계;상기 브로드캐스트 프레임을 외부 공격자로부터 보호하기 위해, 확인키를 이용하여 상기 보안키와 상기 메시지 통합 코드를 암호화하는 프레임 암호화 단계; 및암호화되어 보호된 상기 브로드캐스트 프레임을 전송하는 프레임 전송 단계;를 포함하는 것을 특징으로 하는 브로드캐스트 프레임 보호 방법.
- 제 1 항에 있어서,상기 프레임 생성 단계에서, 상기 브로드캐스트 프레임은 메시지와 프레임 번호를 포함하는 것을 특징으로 하는 브로드캐스트 프레임 보호 방법.
- 제 1 항에 있어서,상기 프레임 생성 단계에서, 상기 메시지 통합 코드는 메시지와 프레임 번호의 속에 있는 상기 보안키를 이용하여 산출하는 것을 특징으로 하는 브로드캐스트 프레임 보호 방법.
- 제 3 항에 있어서,상기 보안키는 키체인으로부터 얻는 것을 특징으로 하는 브로드캐스트 프레임 보호 방법.
- 송신국과 수신국 간에 브로드캐스트된 프레임을 인증을 통하여 보호하는 브로드캐스트 프레임 보호 방법에 있어서,현재 프레임의 보안키와 메시지 통합 코드(MIC)가 포함된 브로드캐스트 프레임을 수신하는 프레임 수신 단계;수신된 상기 브로드캐스트 프레임으로부터 확인키를 이용하여 상기 보안키와 상기 메시지 통합 코드를 복호화하는 프레임 복호 단계; 및키 체인(Key Chain)에 속한 상기 보안키와 상기 메시지 통합 코드에 지정된 메시지를 확인하는 확인 단계;를 포함하는 것을 특징으로 하는 브로드캐스트 프레임 보호 방법.
- 제 6 항에 있어서,상기 브로드캐스트 프레임은 메시지와 프레임 번호를 포함하는 것을 특징으로 하는 브로드캐스트 프레임 보호 방법.
- 제 6 항에 있어서,상기 보안키와 상기 메시지 통합 코드는 상기 확인키를 이용하여 암호화된 것을 특징으로 하는 브로드캐스트 프레임 보호 방법.
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR1020060074081A KR100794792B1 (ko) | 2005-09-15 | 2006-08-07 | 브로드캐스트 프레임 보호 방법 |
| PCT/KR2006/003675 WO2007061178A1 (en) | 2005-09-15 | 2006-09-14 | Method and system for protecting broadcast frame |
| US11/521,600 US8447033B2 (en) | 2005-09-15 | 2006-09-15 | Method for protecting broadcast frame |
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US60/716,960 | 2005-09-15 | ||
| KR1020060022761 | 2006-03-10 | ||
| KR1020060074081A KR100794792B1 (ko) | 2005-09-15 | 2006-08-07 | 브로드캐스트 프레임 보호 방법 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| KR20070031790A KR20070031790A (ko) | 2007-03-20 |
| KR100794792B1 true KR100794792B1 (ko) | 2008-01-21 |
Family
ID=41344077
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| KR1020060074081A Expired - Fee Related KR100794792B1 (ko) | 2005-09-15 | 2006-08-07 | 브로드캐스트 프레임 보호 방법 |
Country Status (1)
| Country | Link |
|---|---|
| KR (1) | KR100794792B1 (ko) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20190122448A (ko) | 2018-04-20 | 2019-10-30 | 주식회사 미래에스아이 | 실리카 보강 스타이렌-뷰타다이엔 고무 조성물 및 그의 제조방법 |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20030050881A (ko) * | 2001-12-19 | 2003-06-25 | 주식회사 케이티 | 무선랜 시스템에서의 암호키 관리 방법 |
-
2006
- 2006-08-07 KR KR1020060074081A patent/KR100794792B1/ko not_active Expired - Fee Related
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20030050881A (ko) * | 2001-12-19 | 2003-06-25 | 주식회사 케이티 | 무선랜 시스템에서의 암호키 관리 방법 |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20190122448A (ko) | 2018-04-20 | 2019-10-30 | 주식회사 미래에스아이 | 실리카 보강 스타이렌-뷰타다이엔 고무 조성물 및 그의 제조방법 |
Also Published As
| Publication number | Publication date |
|---|---|
| KR20070031790A (ko) | 2007-03-20 |
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