CN108366296B - 视频加密方法及装置 - Google Patents
视频加密方法及装置 Download PDFInfo
- Publication number
- CN108366296B CN108366296B CN201810191296.8A CN201810191296A CN108366296B CN 108366296 B CN108366296 B CN 108366296B CN 201810191296 A CN201810191296 A CN 201810191296A CN 108366296 B CN108366296 B CN 108366296B
- Authority
- CN
- China
- Prior art keywords
- transmission data
- encryption
- data
- encrypted
- video
- Prior art date
- Legal status (The legal status 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 status listed.)
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Links
- 238000000034 method Methods 0.000 title claims abstract description 42
- 230000005540 biological transmission Effects 0.000 claims abstract description 219
- 238000004891 communication Methods 0.000 claims abstract description 26
- 238000010586 diagram Methods 0.000 description 15
- 238000004590 computer program Methods 0.000 description 5
- 230000004048 modification Effects 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000006870 function Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
Images
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]
- H04N21/40—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
- H04N21/4408—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 encryption, e.g. re-encrypting a decrypted video stream for redistribution in a home network
-
- 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
- H04L9/0618—Block ciphers, i.e. encrypting groups of characters of a plain text message using fixed encryption transformation
- H04L9/0631—Substitution permutation network [SPN], i.e. cipher composed of a number of stages or rounds each involving linear and nonlinear transformations, e.g. AES algorithms
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Multimedia (AREA)
- Computer Security & Cryptography (AREA)
- Computer Networks & Wireless Communication (AREA)
- Data Exchanges In Wide-Area Networks (AREA)
- Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)
Abstract
Description
Claims (7)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201810191296.8A CN108366296B (zh) | 2018-03-08 | 2018-03-08 | 视频加密方法及装置 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201810191296.8A CN108366296B (zh) | 2018-03-08 | 2018-03-08 | 视频加密方法及装置 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN108366296A CN108366296A (zh) | 2018-08-03 |
CN108366296B true CN108366296B (zh) | 2020-07-28 |
Family
ID=63003958
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201810191296.8A Active CN108366296B (zh) | 2018-03-08 | 2018-03-08 | 视频加密方法及装置 |
Country Status (1)
Country | Link |
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CN (1) | CN108366296B (zh) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN112565656B (zh) * | 2020-11-27 | 2023-05-23 | Oppo广东移动通信有限公司 | 视频通话方法、装置、系统、电子设备及存储介质 |
CN114726594B (zh) * | 2022-03-24 | 2022-09-20 | 慧之安信息技术股份有限公司 | 一种基于网络传输的流媒体加密方法 |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP1376301A2 (en) * | 2002-06-26 | 2004-01-02 | Microsoft Corporation | Content access management |
CN101106527A (zh) * | 2007-07-31 | 2008-01-16 | 中国网络通信集团公司 | 点对点信息传输方法、系统及网关单元 |
CN102164319A (zh) * | 2011-04-08 | 2011-08-24 | 北京数字太和科技有限责任公司 | 传输码流ts的安全传输方法和装置 |
CN106303584A (zh) * | 2016-08-10 | 2017-01-04 | 北京蛙视通信技术股份有限公司 | 对传输的音视频数据进行加解密方法 |
CN207075054U (zh) * | 2017-06-29 | 2018-03-06 | 蒋金成 | 一种视频监控传输系统 |
-
2018
- 2018-03-08 CN CN201810191296.8A patent/CN108366296B/zh active Active
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP1376301A2 (en) * | 2002-06-26 | 2004-01-02 | Microsoft Corporation | Content access management |
CN101106527A (zh) * | 2007-07-31 | 2008-01-16 | 中国网络通信集团公司 | 点对点信息传输方法、系统及网关单元 |
CN102164319A (zh) * | 2011-04-08 | 2011-08-24 | 北京数字太和科技有限责任公司 | 传输码流ts的安全传输方法和装置 |
CN106303584A (zh) * | 2016-08-10 | 2017-01-04 | 北京蛙视通信技术股份有限公司 | 对传输的音视频数据进行加解密方法 |
CN207075054U (zh) * | 2017-06-29 | 2018-03-06 | 蒋金成 | 一种视频监控传输系统 |
Also Published As
Publication number | Publication date |
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CN108366296A (zh) | 2018-08-03 |
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PB01 | Publication | ||
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GR01 | Patent grant | ||
GR01 | Patent grant | ||
PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of invention: Video encryption method and device Effective date of registration: 20220325 Granted publication date: 20200728 Pledgee: Bank of Guiyang Limited by Share Ltd. Chengdu Qingyang branch Pledgor: SICHUAN TELECAST TECHNOLOGY CO.,LTD. Registration number: Y2022510000078 |
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PC01 | Cancellation of the registration of the contract for pledge of patent right | ||
PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20230320 Granted publication date: 20200728 Pledgee: Bank of Guiyang Limited by Share Ltd. Chengdu Qingyang branch Pledgor: SICHUAN TELECAST TECHNOLOGY CO.,LTD. Registration number: Y2022510000078 |
|
PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of invention: Video encryption methods and devices Effective date of registration: 20230324 Granted publication date: 20200728 Pledgee: Bank of Guiyang Limited by Share Ltd. Chengdu Qingyang branch Pledgor: SICHUAN TELECAST TECHNOLOGY CO.,LTD. Registration number: Y2023510000078 |