KR102848016B1 - 하나 이상의 화상 집합을 포함하는 비디오 세그먼트를 서명하는 장치 및 그 방법 - Google Patents

하나 이상의 화상 집합을 포함하는 비디오 세그먼트를 서명하는 장치 및 그 방법

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Publication number
KR102848016B1
KR102848016B1 KR1020220054991A KR20220054991A KR102848016B1 KR 102848016 B1 KR102848016 B1 KR 102848016B1 KR 1020220054991 A KR1020220054991 A KR 1020220054991A KR 20220054991 A KR20220054991 A KR 20220054991A KR 102848016 B1 KR102848016 B1 KR 102848016B1
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South Korea
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gop
hash
frame
gops
additional
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KR1020220054991A
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English (en)
Korean (ko)
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KR20220153505A (ko
Inventor
룬드버그 스테판
에드팜 빅터
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엑시스 에이비
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Classifications

    • 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
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L63/00—Network architectures or network communication protocols for network security
    • H04L63/12—Applying verification of the received information
    • H04L63/123—Applying verification of the received information received data contents, e.g. message integrity
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L69/00—Network arrangements, protocols or services independent of the application payload and not provided for in the other groups of this subclass
    • H04L69/22—Parsing or analysis of headers
    • 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
    • H04L9/06—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols the encryption apparatus using shift registers or memories for block-wise or stream coding, e.g. DES systems or RC4; Hash functions; Pseudorandom sequence generators
    • H04L9/0643—Hash functions, e.g. MD5, SHA, HMAC or f9 MAC
    • 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
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L9/00—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols
    • H04L9/32—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols including means for verifying the identity or authority of a user of the system or for message authentication, e.g. authorization, entity authentication, data integrity or data verification, non-repudiation, key authentication or verification of credentials
    • H04L9/3236—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols including means for verifying the identity or authority of a user of the system or for message authentication, e.g. authorization, entity authentication, data integrity or data verification, non-repudiation, key authentication or verification of credentials using cryptographic hash functions
    • H04L9/3239—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols including means for verifying the identity or authority of a user of the system or for message authentication, e.g. authorization, entity authentication, data integrity or data verification, non-repudiation, key authentication or verification of credentials using cryptographic hash functions involving non-keyed hash functions, e.g. modification detection codes [MDCs], MD5, SHA or RIPEMD
    • 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
    • H04L9/32—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols including means for verifying the identity or authority of a user of the system or for message authentication, e.g. authorization, entity authentication, data integrity or data verification, non-repudiation, key authentication or verification of credentials
    • H04L9/3247—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols including means for verifying the identity or authority of a user of the system or for message authentication, e.g. authorization, entity authentication, data integrity or data verification, non-repudiation, key authentication or verification of credentials involving digital signatures
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/102—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the element, parameter or selection affected or controlled by the adaptive coding
    • H04N19/103—Selection of coding mode or of prediction mode
    • H04N19/114—Adapting the group of pictures [GOP] structure, e.g. number of B-frames between two anchor frames
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/169—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding
    • H04N19/177—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding the unit being a group of pictures [GOP]
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/46—Embedding additional information in the video signal during the compression process
    • H04N19/467—Embedding additional information in the video signal during the compression process characterised by the embedded information being invisible, e.g. watermarking
    • 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]
    • H04N21/40—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
    • H04N21/442—Monitoring of processes or resources, e.g. detecting the failure of a recording device, monitoring the downstream bandwidth, the number of times a movie has been viewed, the storage space available from the internal hard disk
    • H04N21/44209—Monitoring of downstream path of the transmission network originating from a server, e.g. bandwidth variations of a wireless network
    • 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
    • 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]
    • H04N21/80—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
    • H04N21/8456—Structuring of content, e.g. decomposing content into time segments by decomposing the content in the time domain, e.g. in time segments
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00—Details of television systems
    • H04N5/76—Television signal recording
    • H04N5/91—Television signal processing therefor
    • H04N5/913—Television signal processing therefor for scrambling ; for copy protection
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00—Details of television systems
    • H04N5/76—Television signal recording
    • H04N5/91—Television signal processing therefor
    • H04N5/913—Television signal processing therefor for scrambling ; for copy protection
    • H04N2005/91307—Television signal processing therefor for scrambling ; for copy protection by adding a copy protection signal to the video signal
    • H04N2005/91342—Television signal processing therefor for scrambling ; for copy protection by adding a copy protection signal to the video signal the copy protection signal being an authentication signal

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Computer Security & Cryptography (AREA)
  • Multimedia (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Power Engineering (AREA)
  • Databases & Information Systems (AREA)
  • Computer Hardware Design (AREA)
  • Computing Systems (AREA)
  • General Engineering & Computer Science (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
  • Television Signal Processing For Recording (AREA)
KR1020220054991A 2021-05-11 2022-05-03 하나 이상의 화상 집합을 포함하는 비디오 세그먼트를 서명하는 장치 및 그 방법 Active KR102848016B1 (ko)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
EP21173288.8 2021-05-11
EP21173288.8A EP4090015B1 (en) 2021-05-11 2021-05-11 A device and a method for signing a video segment comprising one or more groups of pictures

Publications (2)

Publication Number Publication Date
KR20220153505A KR20220153505A (ko) 2022-11-18
KR102848016B1 true KR102848016B1 (ko) 2025-08-20

Family

ID=75914240

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KR1020220054991A Active KR102848016B1 (ko) 2021-05-11 2022-05-03 하나 이상의 화상 집합을 포함하는 비디오 세그먼트를 서명하는 장치 및 그 방법

Country Status (6)

Country Link
US (1) US12238223B2 (https=)
EP (1) EP4090015B1 (https=)
JP (1) JP7688603B2 (https=)
KR (1) KR102848016B1 (https=)
CN (1) CN115333742A (https=)
TW (1) TWI890942B (https=)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP4369704B1 (en) 2022-11-14 2024-10-09 Axis AB Signing video for reduced bit rate
EP4387247B1 (en) * 2022-12-15 2025-11-26 Axis AB Editable video data signed on decompressed data
EP4387158B1 (en) * 2022-12-15 2025-06-18 Axis AB Editable signed video data
EP4436103A1 (en) 2023-03-23 2024-09-25 Axis AB Method and device for providing a signed audio bitstream with variable granularity
JP2024154900A (ja) * 2023-04-20 2024-10-31 キヤノン株式会社 撮像装置、撮像装置の制御方法及びプログラム
EP4535784B1 (en) 2023-10-02 2025-09-17 Axis AB Method and device for handling bandwidth shortage in relation to transmission of video frames
MX2025003676A (es) * 2024-04-02 2025-11-03 Fraunhofer Ges Forschung Concepto para la comprobacion de la confiabilidad de flujos de datos de video
AU2025205042A1 (en) * 2024-07-05 2026-01-22 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Trustworthiness of a video data stream

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20090208000A1 (en) 2008-02-19 2009-08-20 Fujitsu Limited Signature management method and signature management device
JP2010527556A (ja) 2007-05-17 2010-08-12 ドルビー・ラボラトリーズ・ライセンシング・コーポレーション 画像修飾及びフレームレート変換に反応しないビデオ署名の導出
US10404467B1 (en) 2018-09-09 2019-09-03 Tyson York Winarski Blockchain digest augmention of media files including group-of-pictures video streams for MXF files
US10924524B2 (en) 2014-01-17 2021-02-16 Saturn Licensing Llc Communication devices, communication data generation method, and communication data processing method

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7023924B1 (en) * 2000-12-28 2006-04-04 Emc Corporation Method of pausing an MPEG coded video stream
JP5101965B2 (ja) 2007-09-25 2012-12-19 京セラ株式会社 受信装置
JP5333239B2 (ja) 2008-02-19 2013-11-06 富士通株式会社 ストリームデータ管理プログラム、方法、及びシステム
KR20120104485A (ko) * 2009-07-10 2012-09-21 파나소닉 주식회사 기록매체, 재생장치 및 집적회로
JP5548419B2 (ja) 2009-09-30 2014-07-16 富士通株式会社 署名生成装置、署名検証装置、署名生成方法、署名検証方法、署名生成プログラム、および署名検証プログラム
KR20110044395A (ko) * 2009-10-23 2011-04-29 엘지전자 주식회사 방송 수신기 및 소프트웨어 업데이트 방법
CN102572609B (zh) * 2010-12-08 2014-10-08 中国科学院声学研究所 一种嵌入式系统中的视频完整性认证方法
KR101452368B1 (ko) * 2012-10-18 2014-10-24 한국전자통신연구원 병렬처리 기반비디오 디코딩 방법 및 그 장치
US9454541B2 (en) * 2013-09-24 2016-09-27 Cyberlink Corp. Systems and methods for storing compressed data in cloud storage
JP2019205140A (ja) 2018-05-25 2019-11-28 キヤノン株式会社 撮像装置、情報処理装置、生成方法、及び検証方法
US10896171B2 (en) * 2019-06-13 2021-01-19 Tyson York Winarski Big data blockchains with Merkle trees
US11443416B2 (en) * 2019-08-30 2022-09-13 Sas Institute Inc. Techniques for image content extraction

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2010527556A (ja) 2007-05-17 2010-08-12 ドルビー・ラボラトリーズ・ライセンシング・コーポレーション 画像修飾及びフレームレート変換に反応しないビデオ署名の導出
US20090208000A1 (en) 2008-02-19 2009-08-20 Fujitsu Limited Signature management method and signature management device
US10924524B2 (en) 2014-01-17 2021-02-16 Saturn Licensing Llc Communication devices, communication data generation method, and communication data processing method
US10404467B1 (en) 2018-09-09 2019-09-03 Tyson York Winarski Blockchain digest augmention of media files including group-of-pictures video streams for MXF files

Also Published As

Publication number Publication date
EP4090015C0 (en) 2024-10-23
TW202245438A (zh) 2022-11-16
JP2022174726A (ja) 2022-11-24
EP4090015A1 (en) 2022-11-16
KR20220153505A (ko) 2022-11-18
US12238223B2 (en) 2025-02-25
EP4090015B1 (en) 2024-10-23
TWI890942B (zh) 2025-07-21
CN115333742A (zh) 2022-11-11
US20220368534A1 (en) 2022-11-17
JP7688603B2 (ja) 2025-06-04

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