KR20130028879A - 선택적 포맷-보존 데이터 암호화를 위한 방법들 및 장치들 - Google Patents

선택적 포맷-보존 데이터 암호화를 위한 방법들 및 장치들 Download PDF

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Publication number
KR20130028879A
KR20130028879A KR1020120100497A KR20120100497A KR20130028879A KR 20130028879 A KR20130028879 A KR 20130028879A KR 1020120100497 A KR1020120100497 A KR 1020120100497A KR 20120100497 A KR20120100497 A KR 20120100497A KR 20130028879 A KR20130028879 A KR 20130028879A
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KR
South Korea
Prior art keywords
unit
encrypted
data
type
bit stream
Prior art date
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Withdrawn
Application number
KR1020120100497A
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English (en)
Korean (ko)
Inventor
프레데릭 르페브르
세브린느 보드리
앙뚜완느 로베르
필립쁘 루도
Original Assignee
톰슨 라이센싱
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 톰슨 라이센싱 filed Critical 톰슨 라이센싱
Publication of KR20130028879A publication Critical patent/KR20130028879A/ko
Withdrawn legal-status Critical Current

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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
    • H04L9/12—Transmitting and receiving encryption devices synchronised or initially set up in a particular manner
    • 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
    • H04N21/845—Structuring of content, e.g. decomposing content into time segments
    • 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
    • H04N21/236—Assembling of a multiplex stream, e.g. transport stream, by combining a video stream with other content or additional data, e.g. inserting a URL [Uniform Resource Locator] into a video stream, multiplexing software data into a video stream; Remultiplexing of multiplex streams; Insertion of stuffing bits into the multiplex stream, e.g. to obtain a constant bit-rate; Assembling of a packetised elementary stream
    • H04N21/2362—Generation or processing of Service Information [SI]
    • 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
    • H04N21/238—Interfacing the downstream path of the transmission network, e.g. adapting the transmission rate of a video stream to network bandwidth; Processing of multiplex streams
    • H04N21/2389—Multiplex stream processing, e.g. multiplex stream encrypting
    • 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
    • H04N21/238—Interfacing the downstream path of the transmission network, e.g. adapting the transmission rate of a video stream to network bandwidth; Processing of multiplex streams
    • H04N21/2389—Multiplex stream processing, e.g. multiplex stream encrypting
    • H04N21/23895—Multiplex stream processing, e.g. multiplex stream encrypting involving multiplex 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]
    • H04N21/40—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
    • H04N21/434—Disassembling of a multiplex stream, e.g. demultiplexing audio and video streams, extraction of additional data from a video stream; Remultiplexing of multiplex streams; Extraction or processing of SI; Disassembling of packetised elementary stream
    • H04N21/4345—Extraction or processing of SI, e.g. extracting service information from an MPEG stream
    • 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
    • H04N21/438—Interfacing the downstream path of the transmission network originating from a server, e.g. retrieving encoded video stream packets from an IP network
    • H04N21/4385—Multiplex stream processing, e.g. multiplex stream decrypting
    • 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
    • H04N21/438—Interfacing the downstream path of the transmission network originating from a server, e.g. retrieving encoded video stream packets from an IP network
    • H04N21/4385—Multiplex stream processing, e.g. multiplex stream decrypting
    • H04N21/43853—Multiplex stream processing, e.g. multiplex stream decrypting involving multiplex stream decryption

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Multimedia (AREA)
  • Theoretical Computer Science (AREA)
  • Computer Security & Cryptography (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)
KR1020120100497A 2011-09-12 2012-09-11 선택적 포맷-보존 데이터 암호화를 위한 방법들 및 장치들 Withdrawn KR20130028879A (ko)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
EP11306136.0 2011-09-12
EP11306136A EP2568711A1 (en) 2011-09-12 2011-09-12 Methods and devices for selective format-preserving data encryption

Publications (1)

Publication Number Publication Date
KR20130028879A true KR20130028879A (ko) 2013-03-20

Family

ID=46754346

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1020120100497A Withdrawn KR20130028879A (ko) 2011-09-12 2012-09-11 선택적 포맷-보존 데이터 암호화를 위한 방법들 및 장치들

Country Status (5)

Country Link
US (1) US9473829B2 (https=)
EP (2) EP2568711A1 (https=)
JP (1) JP2013061650A (https=)
KR (1) KR20130028879A (https=)
CN (1) CN103002278A (https=)

Cited By (1)

* Cited by examiner, † Cited by third party
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WO2015126113A1 (ko) * 2014-02-20 2015-08-27 삼성전자주식회사 멀티미디어 콘텐츠 처리 방법 및 장치

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US9338465B2 (en) 2011-06-30 2016-05-10 Sharp Kabushiki Kaisha Context initialization based on decoder picture buffer
US9088805B2 (en) * 2012-02-08 2015-07-21 Vixs Systems, Inc. Encrypted memory device and methods for use therewith
EP2642744A1 (en) * 2012-03-19 2013-09-25 Nagravision S.A. Method and system for scrambling and descrambling a digital image
EP2945387A1 (en) * 2014-05-13 2015-11-18 Alcatel Lucent Method and apparatus for encoding and decoding video
CN104038767B (zh) * 2014-06-05 2017-06-27 宁波工程学院 一种兼容cabac的加密域h.264/avc视频数据隐藏方法
US10263965B2 (en) * 2015-10-16 2019-04-16 Cisco Technology, Inc. Encrypted CCNx
US9830464B2 (en) * 2016-01-21 2017-11-28 Passport Health Communications, Inc. Format preserving encryption
CN110198458B (zh) * 2019-05-31 2020-04-07 北京文香信息技术有限公司 一种加密音视频数据的处理方法及装置
JP7469866B2 (ja) * 2019-11-05 2024-04-17 キヤノン株式会社 符号化装置および符号化方法、復号装置および復号方法
US11778251B2 (en) * 2020-06-11 2023-10-03 Arris Enterprises Llc Selective MPEG packet encryption and decryption based upon data and security priorities
CN111756767A (zh) * 2020-07-06 2020-10-09 成都卫士通信息产业股份有限公司 流媒体数据传输方法、装置、电子设备及计算机存储介质
US12113995B2 (en) * 2021-04-06 2024-10-08 Lemon Inc. Neural network-based post filter for video coding
EP4192018B1 (en) 2021-12-03 2025-06-11 Axis AB Method and device for signing an encoded video sequence
CN114826590B (zh) * 2022-05-19 2023-03-24 北京海泰方圆科技股份有限公司 一种分组模式加密方法、解密方法及其装置、设备
CN118694757B (zh) * 2024-06-25 2025-03-21 广州市溢信科技股份有限公司 基于私有传输协议的文件传输方法、装置和存储介质

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JPH09233455A (ja) * 1996-02-23 1997-09-05 Nippon Telegr & Teleph Corp <Ntt> 画像スクランブル処理システムおよび方法
US7151831B2 (en) * 2001-06-06 2006-12-19 Sony Corporation Partial encryption and PID mapping
US7218738B2 (en) 2002-01-02 2007-05-15 Sony Corporation Encryption and content control in a digital broadcast system
EP1576819A1 (en) * 2002-12-16 2005-09-21 Koninklijke Philips Electronics N.V. Method and apparatus to encrypt video data streams
FR2850515B1 (fr) * 2003-01-23 2005-07-01 Medialive Procede et systeme adaptatif et progressif de distribution securisee d'images fixes codees en ondelettes
GB2404467A (en) 2003-07-31 2005-02-02 Sony Uk Ltd Access control for digital content
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FI20065452A0 (fi) * 2006-06-29 2006-06-29 Valtion Teknillinen Menetelmä sisällön välittämiseen
CN101325684B (zh) * 2007-06-14 2010-10-06 中兴通讯股份有限公司 基于移动多媒体广播的加密控制信息传输方法及系统
EP2081381A1 (en) * 2008-01-17 2009-07-22 Thomson Licensing Method and apparatus for selective data encryption
WO2009090253A1 (en) 2008-01-17 2009-07-23 Dsm Ip Assets B.V. Solvent borne crosslinkable block copolymers obtained using raft
EP2141923A1 (en) 2008-06-30 2010-01-06 Thomson Licensing Methods and apparatuses for selective data encryption
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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2015126113A1 (ko) * 2014-02-20 2015-08-27 삼성전자주식회사 멀티미디어 콘텐츠 처리 방법 및 장치

Also Published As

Publication number Publication date
EP2568711A1 (en) 2013-03-13
JP2013061650A (ja) 2013-04-04
EP2568712A1 (en) 2013-03-13
US20130064368A1 (en) 2013-03-14
CN103002278A (zh) 2013-03-27
US9473829B2 (en) 2016-10-18

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PA0109 Patent application

Patent event code: PA01091R01D

Comment text: Patent Application

Patent event date: 20120911

PG1501 Laying open of application
PC1203 Withdrawal of no request for examination
WITN Application deemed withdrawn, e.g. because no request for examination was filed or no examination fee was paid