KR20070039157A - 키 암호화 키 방식을 사용하여 암호화된 네트워크 콘텐츠를제공 및 복호화하는 장치 및 방법 - Google Patents

키 암호화 키 방식을 사용하여 암호화된 네트워크 콘텐츠를제공 및 복호화하는 장치 및 방법 Download PDF

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Publication number
KR20070039157A
KR20070039157A KR1020077004468A KR20077004468A KR20070039157A KR 20070039157 A KR20070039157 A KR 20070039157A KR 1020077004468 A KR1020077004468 A KR 1020077004468A KR 20077004468 A KR20077004468 A KR 20077004468A KR 20070039157 A KR20070039157 A KR 20070039157A
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KR
South Korea
Prior art keywords
key
encrypted
unit
index
decrypted
Prior art date
Application number
KR1020077004468A
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English (en)
Korean (ko)
Inventor
양 펭
셍 진
다후아 헤
Original Assignee
코닌클리케 필립스 일렉트로닉스 엔.브이.
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Application filed by 코닌클리케 필립스 일렉트로닉스 엔.브이. filed Critical 코닌클리케 필립스 일렉트로닉스 엔.브이.
Publication of KR20070039157A publication Critical patent/KR20070039157A/ko

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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L9/00—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L9/00—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols
    • H04L9/08—Key distribution or management, e.g. generation, sharing or updating, of cryptographic keys or passwords
    • H04L9/0816—Key establishment, i.e. cryptographic processes or cryptographic protocols whereby a shared secret becomes available to two or more parties, for subsequent use
    • H04L9/0819—Key transport or distribution, i.e. key establishment techniques where one party creates or otherwise obtains a secret value, and securely transfers it to the other(s)
    • H04L9/083—Key transport or distribution, i.e. key establishment techniques where one party creates or otherwise obtains a secret value, and securely transfers it to the other(s) involving central third party, e.g. key distribution center [KDC] or trusted third party [TTP]
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L9/00—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols
    • H04L9/08—Key distribution or management, e.g. generation, sharing or updating, of cryptographic keys or passwords
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L9/00—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols
    • H04L9/08—Key distribution or management, e.g. generation, sharing or updating, of cryptographic keys or passwords
    • H04L9/0816—Key establishment, i.e. cryptographic processes or cryptographic protocols whereby a shared secret becomes available to two or more parties, for subsequent use
    • H04L9/0819—Key transport or distribution, i.e. key establishment techniques where one party creates or otherwise obtains a secret value, and securely transfers it to the other(s)
    • H04L9/0822—Key transport or distribution, i.e. key establishment techniques where one party creates or otherwise obtains a secret value, and securely transfers it to the other(s) using key encryption key
    • 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
    • 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
    • H04N21/23476—Processing of video elementary streams, e.g. splicing of video streams or manipulating encoded video stream scene graphs involving video stream encryption by partially encrypting, e.g. encrypting the ending portion of a movie
    • 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]
    • H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
    • H04N21/43—Processing of content or additional data, e.g. demultiplexing additional data from a digital video stream; Elementary client operations, e.g. monitoring of home network or synchronising decoder's clock; Client middleware
    • H04N21/44—Processing of video elementary streams, e.g. splicing a video clip retrieved from local storage with an incoming video stream or rendering scenes according to encoded video stream scene graphs
    • H04N21/4405—Processing of video elementary streams, e.g. splicing a video clip retrieved from local storage with an incoming video stream or rendering scenes according to encoded video stream scene graphs involving video stream decryption
    • 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]
    • H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
    • H04N21/43—Processing of content or additional data, e.g. demultiplexing additional data from a digital video stream; Elementary client operations, e.g. monitoring of home network or synchronising decoder's clock; Client middleware
    • H04N21/44—Processing of video elementary streams, e.g. splicing a video clip retrieved from local storage with an incoming video stream or rendering scenes according to encoded video stream scene graphs
    • H04N21/4405—Processing of video elementary streams, e.g. splicing a video clip retrieved from local storage with an incoming video stream or rendering scenes according to encoded video stream scene graphs involving video stream decryption
    • H04N21/44055—Processing of video elementary streams, e.g. splicing a video clip retrieved from local storage with an incoming video stream or rendering scenes according to encoded video stream scene graphs involving video stream decryption by partially decrypting, e.g. decrypting a video stream that has been partially encrypted
    • 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]
    • H04N21/80—Generation or processing of content or additional data by content creator independently of the distribution process; Content per se
    • H04N21/83—Generation or processing of protective or descriptive data associated with content; Content structuring
    • H04N21/835—Generation of protective data, e.g. certificates
    • H04N21/8352—Generation of protective data, e.g. certificates involving content or source identification data, e.g. Unique Material Identifier [UMID]
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N7/00—Television systems
    • H04N7/16—Analogue secrecy systems; Analogue subscription systems
    • H04N7/167—Systems rendering the television signal unintelligible and subsequently intelligible
    • H04N7/1675—Providing digital key or authorisation information for generation or regeneration of the scrambling sequence
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N7/00—Television systems
    • H04N7/16—Analogue secrecy systems; Analogue subscription systems
    • H04N7/173—Analogue secrecy systems; Analogue subscription systems with two-way working, e.g. subscriber sending a programme selection signal
    • H04N7/17309—Transmission or handling of upstream communications
    • H04N7/17318—Direct or substantially direct transmission and handling of requests
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L2209/00—Additional information or applications relating to cryptographic mechanisms or cryptographic arrangements for secret or secure communication H04L9/00
    • H04L2209/60—Digital content management, e.g. content distribution

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Multimedia (AREA)
  • Computer Security & Cryptography (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Storage Device Security (AREA)
KR1020077004468A 2004-07-29 2005-07-04 키 암호화 키 방식을 사용하여 암호화된 네트워크 콘텐츠를제공 및 복호화하는 장치 및 방법 KR20070039157A (ko)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN200410055770.2 2004-07-29
CNA2004100557702A CN1728262A (zh) 2004-07-29 2004-07-29 一种用于通过网络提供加密内容并且对该内容进行解密的系统，设备和方法

Publications (1)

Publication Number Publication Date
KR20070039157A true KR20070039157A (ko) 2007-04-11

Family

ID=34972552

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1020077004468A KR20070039157A (ko) 2004-07-29 2005-07-04 키 암호화 키 방식을 사용하여 암호화된 네트워크 콘텐츠를제공 및 복호화하는 장치 및 방법

Country Status (6)

Country Link
EP (1) EP1774696A1 (fr)
JP (1) JP2008508763A (fr)
KR (1) KR20070039157A (fr)
CN (2) CN1728262A (fr)
TW (1) TW200704092A (fr)
WO (1) WO2006013477A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20210027128A (ko) * 2019-08-28 2021-03-10 폭스바겐 악티엔게젤샤프트 차량과 외부 서버 사이의 보호된 통신을 위한 방법, 이러한 방법에서 키 유도를 수행하기 위한 장치 및 차량

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9116841B2 (en) * 2012-11-28 2015-08-25 Infineon Technologies Ag Methods and systems for securely transferring embedded code and/or data designed for a device to a customer
CN105337954A (zh) * 2014-10-22 2016-02-17 航天恒星科技有限公司 卫星通信中ip报文的加密、解密方法及装置
CN105471832A (zh) * 2014-10-22 2016-04-06 航天恒星科技有限公司 卫星通信中ip报文的处理方法及装置
EP3221997B1 (fr) 2014-11-18 2019-11-13 Nokia Technologies Oy Accès sécurisé à des données à distance
US9516359B2 (en) * 2015-04-07 2016-12-06 Divx, Llc Session based watermarking of media content using encrypted content streams
CN109040107A (zh) * 2018-08-29 2018-12-18 百度在线网络技术（北京）有限公司 数据处理方法、服务器、无人驾驶设备及可读存储介质

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4078802B2 (ja) * 2000-12-26 2008-04-23 ソニー株式会社 情報処理システム、情報処理方法、情報処理装置、および情報記録媒体、並びにプログラム記録媒体
EP1288942B1 (fr) * 2001-08-08 2005-01-12 Matsushita Electric Industrial Co., Ltd. Système de protection du droit d'auteur, dispositif d'enregistrement, et dispositif de reproduction
EP1501304A1 (fr) * 2003-07-23 2005-01-26 Axalto S.A. Procédure pour le surveillance de l'utilisation d'un contenu diffusé

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20210027128A (ko) * 2019-08-28 2021-03-10 폭스바겐 악티엔게젤샤프트 차량과 외부 서버 사이의 보호된 통신을 위한 방법, 이러한 방법에서 키 유도를 수행하기 위한 장치 및 차량
US11477639B2 (en) 2019-08-28 2022-10-18 Volkswagen Aktiengesellschaft Method for protected communication between a vehicle and an external server, device for performing key derivation in the method, and vehicle

Also Published As

Publication number Publication date
JP2008508763A (ja) 2008-03-21
TW200704092A (en) 2007-01-16
EP1774696A1 (fr) 2007-04-18
WO2006013477A1 (fr) 2006-02-09
CN1989728A (zh) 2007-06-27
CN1728262A (zh) 2006-02-01

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