JP7515751B2 - ビデオデータスライスの暗号化方法、装置、システム及び電子デバイス - Google Patents

ビデオデータスライスの暗号化方法、装置、システム及び電子デバイス Download PDF

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Publication number
JP7515751B2
JP7515751B2 JP2023571699A JP2023571699A JP7515751B2 JP 7515751 B2 JP7515751 B2 JP 7515751B2 JP 2023571699 A JP2023571699 A JP 2023571699A JP 2023571699 A JP2023571699 A JP 2023571699A JP 7515751 B2 JP7515751 B2 JP 7515751B2
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Prior art keywords
key
ciphertext
video
management system
encryption node
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Japanese (ja)
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JP2024518798A (ja
JP2024518798A5 (https=
Inventor
▲濱▼ 王
思 ▲陳▼
加▲棟▼ ▲陳▼
相振 姚
琳 李
晶晶 黄
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Hangzhou Hikvision Digital Technology Co Ltd
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Hangzhou Hikvision Digital Technology Co Ltd
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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]
    • H04N21/80—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
    • 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
    • H04L9/0861—Generation of secret information including derivation or calculation of cryptographic keys or passwords
    • H04L9/0869—Generation of secret information including derivation or calculation of cryptographic keys or passwords involving random numbers or seeds
    • 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
    • H04L9/30—Public key, i.e. encryption algorithm being computationally infeasible to invert or user's encryption keys not requiring secrecy
    • H04L9/3066—Public key, i.e. encryption algorithm being computationally infeasible to invert or user's encryption keys not requiring secrecy involving algebraic varieties, e.g. elliptic or hyper-elliptic curves
    • 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
    • H04L9/3252—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 using DSA or related signature schemes, e.g. elliptic based signatures, ElGamal or Schnorr schemes
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Computer Security & Cryptography (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Theoretical Computer Science (AREA)
  • Multimedia (AREA)
  • Physics & Mathematics (AREA)
  • Algebra (AREA)
  • General Physics & Mathematics (AREA)
  • Mathematical Analysis (AREA)
  • Mathematical Optimization (AREA)
  • Mathematical Physics (AREA)
  • Pure & Applied Mathematics (AREA)
  • Computing Systems (AREA)
  • Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)
  • Storage Device Security (AREA)
JP2023571699A 2021-05-19 2022-05-16 ビデオデータスライスの暗号化方法、装置、システム及び電子デバイス Active JP7515751B2 (ja)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
CN202110546576.8 2021-05-19
CN202110546576.8A CN112995784B (zh) 2021-05-19 2021-05-19 视频数据切片加密方法、装置和系统
PCT/CN2022/093116 WO2022242607A1 (zh) 2021-05-19 2022-05-16 视频数据切片加密方法、装置、系统以及电子设备

Publications (3)

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JP2024518798A JP2024518798A (ja) 2024-05-02
JP2024518798A5 JP2024518798A5 (https=) 2024-06-17
JP7515751B2 true JP7515751B2 (ja) 2024-07-12

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JP2023571699A Active JP7515751B2 (ja) 2021-05-19 2022-05-16 ビデオデータスライスの暗号化方法、装置、システム及び電子デバイス

Country Status (3)

Country Link
JP (1) JP7515751B2 (https=)
CN (1) CN112995784B (https=)
WO (1) WO2022242607A1 (https=)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112995784B (zh) * 2021-05-19 2021-09-21 杭州海康威视数字技术股份有限公司 视频数据切片加密方法、装置和系统
CN113727058A (zh) * 2021-08-31 2021-11-30 成都卫士通信息产业股份有限公司 一种多媒体会议数据处理方法、系统、设备及存储介质
CN113890759B (zh) * 2021-09-28 2023-10-31 中国电信股份有限公司 文件传输方法、装置、电子设备和存储介质
CN114363011A (zh) * 2021-12-13 2022-04-15 浙江加我网络科技有限公司 一种超高清视频防泄露分享方法
CN116321022A (zh) * 2022-09-06 2023-06-23 阿波罗智能技术(北京)有限公司 空中下载ota数据文件的加密传输方法及其装置
CN118055270B (zh) * 2024-04-16 2024-07-26 腾讯科技（深圳）有限公司 视频处理方法、系统、装置、电子设备及存储介质
CN118410203B (zh) * 2024-06-26 2024-09-03 杭州海康威视系统技术有限公司 一种视频数据的存储、视频回放方法、装置及其设备
CN118678126B (zh) * 2024-08-21 2024-10-25 杭州海康威视数字技术股份有限公司 自适应跨域码流密码安全保护方法、系统及设备
CN119670119A (zh) * 2024-11-29 2025-03-21 中国农业银行股份有限公司 一种数据处理方法及相关装置

Citations (3)

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JP2002176419A (ja) 2000-12-06 2002-06-21 Hitachi Ltd 権利保護方法
JP2005284525A (ja) 2004-03-29 2005-10-13 Sony Corp コンテンツ流通システム、暗号化装置、コンテンツ提供装置、コンテンツ再生装置、ライセンス情報提供装置、暗号化方法、コンテンツ提供方法、コンテンツ再生方法、ライセンス情報提供方法、情報処理プログラム、及び記憶媒体
CN106231346A (zh) 2016-08-05 2016-12-14 中国传媒大学 一种针对离线视频的分布式加密方法

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CN101166259B (zh) * 2006-10-16 2010-11-10 华为技术有限公司 手机电视业务保护方法、系统、手机电视服务器及终端
CN101425862B (zh) * 2008-12-02 2011-08-10 中兴通讯股份有限公司 移动多媒体广播业务运营管理系统与方法
WO2010067433A1 (ja) * 2008-12-11 2010-06-17 三菱電機株式会社 自己認証通信機器、自己認証検証通信機器、機器認証システム、機器認証システムの機器認証方法、自己認証通信プログラムおよび自己認証検証通信プログラム
CN101711027B (zh) * 2009-12-22 2012-07-04 上海大学 一种无线传感器网络中基于身份的分散密钥管理方法
CN101931529B (zh) * 2010-08-09 2014-07-16 中兴通讯股份有限公司 一种数据加密方法、数据解密方法及节点
WO2014090761A1 (en) * 2012-12-10 2014-06-19 Koninklijke Kpn N.V. Digital rights management for segmented content
US9917690B2 (en) * 2015-10-01 2018-03-13 Time Warner Cable Enterprises Llc Encryption management, content recording management, and playback management in a network environment
CN106254896B (zh) * 2016-08-05 2019-11-26 中国传媒大学 一种针对实时视频的分布式加密方法
CN111586445B (zh) * 2020-05-14 2022-04-12 中国人民公安大学 一种视频数据传输方法及装置
CN112995784B (zh) * 2021-05-19 2021-09-21 杭州海康威视数字技术股份有限公司 视频数据切片加密方法、装置和系统

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2002176419A (ja) 2000-12-06 2002-06-21 Hitachi Ltd 権利保護方法
JP2005284525A (ja) 2004-03-29 2005-10-13 Sony Corp コンテンツ流通システム、暗号化装置、コンテンツ提供装置、コンテンツ再生装置、ライセンス情報提供装置、暗号化方法、コンテンツ提供方法、コンテンツ再生方法、ライセンス情報提供方法、情報処理プログラム、及び記憶媒体
CN106231346A (zh) 2016-08-05 2016-12-14 中国传媒大学 一种针对离线视频的分布式加密方法

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Publication number Publication date
CN112995784B (zh) 2021-09-21
WO2022242607A1 (zh) 2022-11-24
JP2024518798A (ja) 2024-05-02
CN112995784A (zh) 2021-06-18

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