JP2013061650A - データの暗号化を選択的にフォーマット維持する方法及び装置 - Google Patents

データの暗号化を選択的にフォーマット維持する方法及び装置 Download PDF

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Publication number
JP2013061650A
JP2013061650A JP2012196888A JP2012196888A JP2013061650A JP 2013061650 A JP2013061650 A JP 2013061650A JP 2012196888 A JP2012196888 A JP 2012196888A JP 2012196888 A JP2012196888 A JP 2012196888A JP 2013061650 A JP2013061650 A JP 2013061650A
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Prior art keywords
unit
data
encrypted
bitstream
slice
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JP2012196888A
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Japanese (ja)
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JP2013061650A5 (https=
Inventor
Frederic Lefebvre
ルフェヴル フレデリック
Severine Baudry
ボードリー セヴリーヌ
Robert Antoine
ロバート アントワーヌ
Roudot Philippe
ロウド フィリップ
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Thomson Licensing SAS
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Thomson Licensing SAS
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Publication of JP2013061650A publication Critical patent/JP2013061650A/ja
Publication of JP2013061650A5 publication Critical patent/JP2013061650A5/ja
Pending 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)
JP2012196888A 2011-09-12 2012-09-07 データの暗号化を選択的にフォーマット維持する方法及び装置 Pending JP2013061650A (ja)

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 (2)

Publication Number Publication Date
JP2013061650A true JP2013061650A (ja) 2013-04-04
JP2013061650A5 JP2013061650A5 (https=) 2015-10-01

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JP2012196888A Pending JP2013061650A (ja) 2011-09-12 2012-09-07 データの暗号化を選択的にフォーマット維持する方法及び装置

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=)

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JP2021077942A (ja) * 2019-11-05 2021-05-20 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

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US11647197B2 (en) 2011-06-30 2023-05-09 Velos Media, Llc Context initialization based on slice header flag and slice type
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
KR20150098435A (ko) * 2014-02-20 2015-08-28 삼성전자주식회사 멀티미디어 콘텐츠 처리 방법 및 장치
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
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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Publication number Priority date Publication date Assignee Title
JP2021077942A (ja) * 2019-11-05 2021-05-20 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
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

Also Published As

Publication number Publication date
EP2568711A1 (en) 2013-03-13
EP2568712A1 (en) 2013-03-13
US20130064368A1 (en) 2013-03-14
KR20130028879A (ko) 2013-03-20
CN103002278A (zh) 2013-03-27
US9473829B2 (en) 2016-10-18

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