JP7720821B2 - ソルト化ハッシュを用いる署名入りビデオデータ - Google Patents

ソルト化ハッシュを用いる署名入りビデオデータ

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Publication number
JP7720821B2
JP7720821B2 JP2022157229A JP2022157229A JP7720821B2 JP 7720821 B2 JP7720821 B2 JP 7720821B2 JP 2022157229 A JP2022157229 A JP 2022157229A JP 2022157229 A JP2022157229 A JP 2022157229A JP 7720821 B2 JP7720821 B2 JP 7720821B2
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Japan
Prior art keywords
video data
salt
signature
video
bit string
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JP2022157229A
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English (en)
Japanese (ja)
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JP2023056492A (ja
JP2023056492A5 (https=
Inventor
ビョルン ボルカー，
ステファン ルンドベリ，
Original Assignee
アクシス アーベー
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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
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F21/00—Security arrangements for protecting computers, components thereof, programs or data against unauthorised activity
    • G06F21/10—Protecting distributed programs or content, e.g. vending or licensing of copyrighted material ; Digital rights management [DRM]
    • 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
    • H04L9/32—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
    • 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
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Security & Cryptography (AREA)
  • Signal Processing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Multimedia (AREA)
  • Software Systems (AREA)
  • Theoretical Computer Science (AREA)
  • Technology Law (AREA)
  • Computer Hardware Design (AREA)
  • Physics & Mathematics (AREA)
  • General Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Power Engineering (AREA)
  • Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
JP2022157229A 2021-10-07 2022-09-30 ソルト化ハッシュを用いる署名入りビデオデータ Active JP7720821B2 (ja)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
EP21201360.1A EP4164173B1 (en) 2021-10-07 2021-10-07 Signed video data with salted hashes
EP21201360 2021-10-07

Publications (3)

Publication Number Publication Date
JP2023056492A JP2023056492A (ja) 2023-04-19
JP2023056492A5 JP2023056492A5 (https=) 2025-06-27
JP7720821B2 true JP7720821B2 (ja) 2025-08-08

Family

ID=78085806

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2022157229A Active JP7720821B2 (ja) 2021-10-07 2022-09-30 ソルト化ハッシュを用いる署名入りビデオデータ

Country Status (5)

Country Link
US (1) US20230116909A1 (https=)
EP (1) EP4164173B1 (https=)
JP (1) JP7720821B2 (https=)
KR (1) KR102871122B1 (https=)
CN (1) CN115955567A (https=)

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* Cited by examiner, † Cited by third party
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US12380893B1 (en) * 2021-11-23 2025-08-05 Amazon Technologies, Inc. Enhanced content matching using content fingerprints
US12388653B1 (en) * 2021-12-30 2025-08-12 American Express Travel Related Services Company, Inc. Stateful hash-based signatures
EP4369725B1 (en) 2022-11-09 2025-04-16 Axis AB Transcodable signed video data
EP4387158B1 (en) * 2022-12-15 2025-06-18 Axis AB Editable signed video data
TWI868765B (zh) * 2023-06-30 2025-01-01 中華電信股份有限公司 用於簽署電子文件的系統及方法
KR102798171B1 (ko) * 2024-12-23 2025-04-21 주식회사 디지캡 실시간 생성 콘텐츠와 메타데이터를 바인딩하여 송출하는 콘텐츠 전송 장치와 송출된 콘텐츠를 수신하는 수신 장치
CN120050284B (zh) * 2025-04-21 2025-07-18 北京尚优力达科技有限公司 基于分布式集群的高性能音视频平台

Citations (3)

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Publication number Priority date Publication date Assignee Title
JP2002542523A (ja) 1999-04-20 2002-12-10 シグナファイ、 インコーポレイテッド デジタルデータにデジタル署名を挿入しデジタルデータ中のデジタル署名を認証するための方法及び装置
US20140010366A1 (en) 2012-07-09 2014-01-09 Cisco Technology, Inc. System and method for providing cryptographic video verification
CN113158248A (zh) 2021-04-27 2021-07-23 杭州宇链科技有限公司 基于区块链技术的电子设备数据可信采集并存证的方法

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US6553494B1 (en) * 1999-07-21 2003-04-22 Sensar, Inc. Method and apparatus for applying and verifying a biometric-based digital signature to an electronic document
US7835366B2 (en) * 2005-11-01 2010-11-16 Ciena Corporation Three-way message exchange clock synchronization
WO2009119599A1 (ja) * 2008-03-27 2009-10-01 日本電気株式会社 クロック同期システム、ノード、クロック同期方法及びプログラム
JP2012505486A (ja) * 2008-10-14 2012-03-01 コーニンクレッカ フィリップス エレクトロニクス エヌ ヴィ コンテンツアイテム識別子
WO2017202451A1 (en) * 2016-05-24 2017-11-30 Bringfeldt Innovation Ab Method for electronically signing a data set
US11232403B2 (en) * 2017-12-08 2022-01-25 Beatrice T. O'Brien Computerized network system for initiating, facilitating, auditing, and managing communications and documents involving professional expertise
CN108961165B (zh) * 2018-07-06 2021-03-09 北京百度网讯科技有限公司 用于加载图像的方法和装置
US10728023B2 (en) 2018-07-31 2020-07-28 EMC IP Holding Company LLC Hash function with content based salt
US11700356B2 (en) * 2018-10-26 2023-07-11 AutoBrains Technologies Ltd. Control transfer of a vehicle
US10805690B2 (en) * 2018-12-04 2020-10-13 The Nielsen Company (Us), Llc Methods and apparatus to identify media presentations by analyzing network traffic
US20210004481A1 (en) * 2019-07-05 2021-01-07 Google Llc Systems and methods for privacy preserving determination of intersections of sets of user identifiers
US11438145B2 (en) * 2020-05-31 2022-09-06 Daniel Chien Shared key generation based on dual clocks
US11317128B1 (en) * 2020-10-23 2022-04-26 Synamedia Limited Systems, methods, and devices for media content tamper protection and detection

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2002542523A (ja) 1999-04-20 2002-12-10 シグナファイ、 インコーポレイテッド デジタルデータにデジタル署名を挿入しデジタルデータ中のデジタル署名を認証するための方法及び装置
US20140010366A1 (en) 2012-07-09 2014-01-09 Cisco Technology, Inc. System and method for providing cryptographic video verification
CN113158248A (zh) 2021-04-27 2021-07-23 杭州宇链科技有限公司 基于区块链技术的电子设备数据可信采集并存证的方法

Also Published As

Publication number Publication date
KR102871122B1 (ko) 2025-10-14
KR20230050221A (ko) 2023-04-14
JP2023056492A (ja) 2023-04-19
CN115955567A (zh) 2023-04-11
EP4164173A1 (en) 2023-04-12
US20230116909A1 (en) 2023-04-13
EP4164173C0 (en) 2025-05-28
EP4164173B1 (en) 2025-05-28
TW202316831A (zh) 2023-04-16

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