WO2023246585A1 - Procédé, appareil et système de contrôle d'autorisation, et dispositif électronique et support de stockage - Google Patents

Procédé, appareil et système de contrôle d'autorisation, et dispositif électronique et support de stockage Download PDF

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Publication number
WO2023246585A1
WO2023246585A1 PCT/CN2023/100174 CN2023100174W WO2023246585A1 WO 2023246585 A1 WO2023246585 A1 WO 2023246585A1 CN 2023100174 W CN2023100174 W CN 2023100174W WO 2023246585 A1 WO2023246585 A1 WO 2023246585A1
Authority
WO
WIPO (PCT)
Prior art keywords
authorization
authorization file
dvb
terminal
file
Prior art date
Application number
PCT/CN2023/100174
Other languages
English (en)
Chinese (zh)
Inventor
陈志伟
Original Assignee
中兴通讯股份有限公司
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by 中兴通讯股份有限公司 filed Critical 中兴通讯股份有限公司
Publication of WO2023246585A1 publication Critical patent/WO2023246585A1/fr

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Classifications

    • 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
    • H04L63/04—Network architectures or network communication protocols for network security for providing a confidential data exchange among entities communicating through data packet networks
    • H04L63/0428—Network architectures or network communication protocols for network security for providing a confidential data exchange among entities communicating through data packet networks wherein the data content is protected, e.g. by encrypting or encapsulating the payload
    • 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
    • H04L63/10—Network architectures or network communication protocols for network security for controlling access to devices or network resources
    • H04L63/108—Network architectures or network communication protocols for network security for controlling access to devices or network resources when the policy decisions are valid for a limited amount of time
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L67/00—Network arrangements or protocols for supporting network services or applications
    • H04L67/01—Protocols
    • H04L67/06—Protocols specially adapted for file transfer, e.g. file transfer protocol [FTP]
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L67/00—Network arrangements or protocols for supporting network services or applications
    • H04L67/2866—Architectures; Arrangements
    • H04L67/30—Profiles
    • 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
    • H04L9/40—Network security protocols
    • 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
    • H04N21/21—Server components or server architectures
    • H04N21/218—Source of audio or video content, e.g. local disk arrays
    • H04N21/2187—Live feed
    • 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
    • H04N21/45—Management operations performed by the client for facilitating the reception of or the interaction with the content or administrating data related to the end-user or to the client device itself, e.g. learning user preferences for recommending movies, resolving scheduling conflicts
    • 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
    • H04N21/45—Management operations performed by the client for facilitating the reception of or the interaction with the content or administrating data related to the end-user or to the client device itself, e.g. learning user preferences for recommending movies, resolving scheduling conflicts
    • H04N21/4508—Management of client data or end-user data
    • H04N21/4516—Management of client data or end-user data involving client characteristics, e.g. Set-Top-Box type, software version or amount of memory available
    • 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
    • H04N21/45—Management operations performed by the client for facilitating the reception of or the interaction with the content or administrating data related to the end-user or to the client device itself, e.g. learning user preferences for recommending movies, resolving scheduling conflicts
    • H04N21/458—Scheduling content for creating a personalised stream, e.g. by combining a locally stored advertisement with an incoming stream; Updating operations, e.g. for OS modules ; time-related management operations
    • 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
    • H04N21/45—Management operations performed by the client for facilitating the reception of or the interaction with the content or administrating data related to the end-user or to the client device itself, e.g. learning user preferences for recommending movies, resolving scheduling conflicts
    • H04N21/458—Scheduling content for creating a personalised stream, e.g. by combining a locally stored advertisement with an incoming stream; Updating operations, e.g. for OS modules ; time-related management operations
    • H04N21/4586—Content update operation triggered locally, e.g. by comparing the version of software modules in a DVB carousel to the version stored locally
    • 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
    • H04N21/45—Management operations performed by the client for facilitating the reception of or the interaction with the content or administrating data related to the end-user or to the client device itself, e.g. learning user preferences for recommending movies, resolving scheduling conflicts
    • H04N21/462—Content or additional data management, e.g. creating a master electronic program guide from data received from the Internet and a Head-end, controlling the complexity of a video stream by scaling the resolution or bit-rate based on the client capabilities
    • H04N21/4627—Rights management associated to the content

Definitions

  • DVB Digital Video Broadcasting
  • the front-end system mainly refers to the information source part of the digital TV network. It is the exchange center for TV program information. It is the core part of the entire digital cable TV system and is generally located in program production departments such as TV stations.
  • the terminal system mainly refers to the information sink of the digital TV network. Part, mainly provided for digital TV users, generally refers to user terminal equipment such as set-top boxes.
  • One-way DVB terminal is a media playback device that complies with DVB standards (DVB-S, DVB-C, DVB-T, DVB-SMATV, DVB-MS and DVB-MC). It uses a one-way content transmission function and the front end sends content , the terminal receives. Due to the one-way nature of content transmission, DVB terminals can only passively receive DVB broadcast data. After the DVB terminal is sold, the DVB terminal manufacturer cannot control the terminal and is very passive in the event of business disputes.
  • DVB standards DVD-S, DVB-C, DVB-T, DVB-SMATV, DVB-MS and DVB-MC.
  • Embodiments of the present disclosure provide an authorization control method, device, electronic device, and storage medium.
  • an authorization control method is provided, which is suitable for one-way digital video broadcasting DVB terminals, including: receiving an encrypted second authorization file; and verifying the second authorization file through a built-in key and decryptor.
  • the authorization file is decrypted, wherein the key and the decryptor are built in the read-only memory ROM of the one-way DVB terminal; and in response to the decryption passing, the one-way DVB terminal is decrypted according to the decrypted second authorization file.
  • the existing first authorization file of the DVB terminal is updated.
  • an authorization control method is also provided, which is suitable for the control end of a one-way digital video broadcasting DVB terminal, including: configuring a second authorization file; and calculating a calibration of the second authorization file.
  • the second authorization file and the verification data are encrypted to obtain an encrypted second authorization file.
  • a first authorization control device suitable for one-way digital video broadcasting DVB terminal.
  • the first authorization control device includes: a receiving module configured to receive an encrypted a second authorization file; a decryption module configured to decrypt the second authorization file through a built-in key and decryptor, wherein the key and decryptor are built into the read-only memory of the one-way DVB terminal in the ROM; and an update module configured to, in response to the decryption pass, update the existing first authorization file of the one-way DVB terminal according to the decrypted second authorization file.
  • a second authorization control device suitable for a control end of a one-way digital video broadcasting DVB terminal.
  • the second authorization control device includes: a configuration module configured to configure the first two authorization files; and an encryption module configured to calculate verification data of the second authorization file, encrypt the second authorization file and the verification data, and obtain an encrypted second authorization file.
  • an authorization control system including a one-way digital video broadcasting DVB terminal and a control end, where the one-way DVB terminal includes the first authorization control device as described above; The control end includes the second authorization control device as described above.
  • an electronic device includes a memory, a processor, and a computer program stored on the memory and executable on the processor.
  • the computer When the program is executed by the processor, the authorization control method as described in any of the above items is implemented.
  • a storage medium is also provided.
  • a computer program is stored on the storage medium.
  • the authorization control method as described in any one of the above items is implemented.
  • Embodiments of the present disclosure also provide a computer program product containing instructions that, when run on a computer, cause the computer to execute any of the authorization control methods described above.
  • Figure 1 is a hardware structural block diagram of a computer according to an embodiment of the present disclosure
  • Figure 2 is a schematic flow chart of an authorization control method suitable for one-way digital video broadcasting DVB terminals according to an embodiment of the present disclosure
  • Figure 3 is a schematic flow chart of the steps after updating the existing first authorization file of the one-way DVB terminal according to the decrypted second authorization file in an embodiment of the present disclosure
  • Figure 4 is a flow chart of an authorization control method suitable for the control end of a one-way digital video broadcast DVB terminal according to an embodiment of the present disclosure
  • Figure 5 is a schematic diagram of the authorization file production process in an implementation scenario of the embodiment of the present disclosure.
  • Figure 6 is a schematic diagram of the sending process of an updated authorization file in an implementation scenario of an embodiment of the present disclosure
  • Figure 8 is a structural block diagram of a first authorization control device suitable for one-way digital video broadcasting DVB terminal according to an embodiment of the present disclosure.
  • Transmission device 106 is used to receive or send data via a network. Examples of the networks described above may include wireless networks provided by the computer's communications provider.
  • the transmission device 106 includes a network adapter (Network Interface Controller, NIC for short), which can be connected to other network devices through a base station to communicate with the Internet.
  • the transmission device 106 may be a radio frequency (Radio Frequency, RF for short) module, which is used to communicate with the Internet wirelessly.
  • NIC Network Interface Controller
  • the authorization control method proposed in the embodiments of the present disclosure is applicable to one-way digital video broadcasting DVB terminals.
  • the one-way digital video broadcasting DVB terminals can be set-top boxes, receiving cards, digital televisions, mobile devices, etc. that transmit one-way content.
  • the terminal manufacturer can also convert the encrypted second authorization file into a code stream of the standard DVB protocol through a DVB code stream converter, and then broadcast the code stream of the DVB standard second authorization file on the front end.
  • the DVB terminal receives the code stream data of the encrypted second authorization file through a cable channel or a satellite channel. Generally, this method is used in scenarios after the DVB terminal is sold.
  • the encrypted second authorization file needs to be decrypted.
  • the decryption method is implemented through a key and decryptor built in the DVB terminal.
  • the key is represented as a piece of data, and the decryptor is represented as an algorithm.
  • the key and the encrypted second authorization file are input into the decryptor.
  • the decryptor verifies the correctness of the key and decrypts the encrypted authorization file to obtain the decryption. explicit authorization document.
  • the key and decryptor are built into the read-only memory ROM of the one-way DVB terminal. The key and decryptor can be directly written into the ROM of the DVB terminal during the production process of the DVB terminal.
  • Step S13 if the decryption is successful, the existing first authorization file of the one-way DVB terminal is updated according to the decrypted second authorization file.
  • Figure 3 is a schematic flow chart of the steps after updating the existing first authorization file of the one-way DVB terminal according to the decrypted second authorization file in the embodiment of the present disclosure.
  • the method also includes steps S14 to S16.
  • the authorization file has a validity period. If the specified validity period is exceeded, the authorization file is invalid.
  • the current time can be obtained by installing a clock chip, or by a DVB terminal through wireless or wired broadcasting.
  • the validity time of the second authorization file is the information contained in the authorization file. Decrypt the file to obtain the validity period specified in the authorization file.
  • the current time obtained exceeds the validity time of the authorization file, it means that the authorization file has expired; if the current time does not exceed the validity time of the authorization file, it means that the authorization file has not expired and is still valid.
  • the embodiment of the present disclosure verifies the second authorization file to ensure the integrity and correctness of the authorization file and prevent errors in the transmission process of the authorization file.
  • USB security key also called USB security KEY
  • USB security KEY is a USB interface hardware device with a built-in microcontroller or smart card chip. It has a certain storage space and can store the user's private key and digital certificate, using the USB Key's built-in public key algorithm. Authentication of user identity.
  • FIG. 5 is a schematic diagram of the authorization file production process in an implementation scenario of an embodiment of the present disclosure.
  • the PC tool creates an authorization file and embeds the authorization file into the DVB terminal ROM.
  • the PC tool detects whether the USB interface is connected to the USB security key. If not, it is not allowed to run.
  • Authorization file production process if the USB interface security key is connected and started, use PC tools to configure the authorization file information.
  • the configured authorization file includes terminal identification number, terminal batch information, expiration date, file verification and other information, and then calculate Verify the verification data of the authorization file, encrypt the authorization file through the key and encryptor, obtain the encrypted ciphertext authorization file, and embed the encrypted authorization file into the DVB terminal production ROM, where the encryption key is provided by the terminal Provider-held, encryption algorithms are private and built into PC tools.
  • Figure 7 is a schematic diagram of the control flow of an authorization file in an implementation scenario of an embodiment of the present disclosure.
  • the DVB terminal starts and tries to receive the authorization file. If a new authorization file is found, the data is received. After the authorization file is received, the authorization file is decrypted using the key and decryptor integrated in the terminal, and the decrypted authorization file is Perform verification. If the verification passes, update the existing authorization file in the terminal ROM. If the verification fails, determine whether the authorization file has expired. If the authorization expires, disable the core function of the DVB terminal to watch live content. If the authorization file has not expired, the DVB terminal will run with full functionality. If no new authorization file is found during the step of the DVB terminal trying to receive the authorization file, the step of determining whether the authorization file has expired will be performed. If it has expired, the DVB terminal live broadcast service will be disabled.
  • the method according to the above embodiments can be implemented by means of software plus the necessary general hardware platform. Of course, it can also be implemented by hardware, but in many cases the former is Better implementation.
  • the technical solution of the present disclosure can be embodied in the form of a software product in essence or that contributes to related technologies.
  • the computer software product is stored in a storage medium (such as ROM/RAM, magnetic disk, optical disk). ), includes several instructions to cause a terminal device (which can be a mobile phone, computer, server, or network device, etc.) to execute the methods described in various embodiments of the present disclosure.
  • This embodiment also provides a first authorization control device suitable for one-way digital video broadcasting DVB terminals, which is used to implement the above embodiments and optional implementations. What has been described will not be described again.
  • the term "module” may be a combination of software and/or hardware that implements a predetermined function. Although the apparatus described in the following embodiments is preferably implemented in software, implementation in hardware, or a combination of software and hardware, is also possible and contemplated.
  • FIG 8 is a structural block diagram of a first authorization control device suitable for one-way digital video broadcasting DVB terminals according to an embodiment of the present disclosure.
  • the first authorization control device includes: a receiving module 100 and a decryption module 200 , update module 300.
  • the receiving module 100 is configured to receive the encrypted second authorization file.
  • the decryption module 200 is configured to decrypt the second authorization file through a built-in key and decryptor.
  • the key and decryptor are built into the read-only memory ROM of the one-way DVB terminal.
  • the first authorization control device further includes: an acquisition module configured to obtain the current time and the validity time of the second authorization file; a determination module configured to determine whether the authorization has expired based on the current time and the validity time; and disable The module is configured to disable the live broadcast service of the DVB terminal if the authorization expires.
  • the update module includes: a verification unit configured to extract the verification data of the second authorization file if the decryption is passed, and verify the decrypted second authorization file; and an update subunit configured to if If the verification passes, the existing first authorization file of the one-way DVB terminal is updated according to the second authorization file.
  • FIG 9 is a structural block diagram of a second authorization control device suitable for the control end of a one-way digital video broadcast DVB terminal according to an embodiment of the present disclosure.
  • the second authorization control device includes: a configuration module 400 and an encryption module. Module 500.
  • the encryption module 500 is configured to calculate the verification data of the second authorization file, encrypt the second authorization file and the verification data, and obtain an encrypted second authorization file.
  • the second authorization control device further includes: a sending module configured to convert the encrypted second authorization file into DVB protocol code stream data through a DVB code stream converter; and by operating the front-end multiplexer to the DVB The terminal sends code stream data.
  • a sending module configured to convert the encrypted second authorization file into DVB protocol code stream data through a DVB code stream converter; and by operating the front-end multiplexer to the DVB The terminal sends code stream data.
  • the second authorization control device further includes: a security detection module configured to determine whether the control terminal has connected the USB security key; if the control terminal has connected the USB security key, configure the second authorization file.
  • a security detection module configured to determine whether the control terminal has connected the USB security key; if the control terminal has connected the USB security key, configure the second authorization file.
  • each of the above modules can be implemented through software or hardware.
  • it can be implemented in the following ways, but is not limited to this: the above modules are all located in the same processor; or the above modules can be implemented in any combination.
  • the forms are located in different processors.
  • the embodiments of the authorization control system of the present disclosure are basically the same as the above method embodiments, and will not be described again here.
  • Embodiments of the present disclosure also provide an electronic device.
  • the electronic device includes a memory, a processor, and a computer program stored in the memory and executable on the processor. When the computer program is executed by the processor, any of the above items are implemented.
  • the above-mentioned processor may be configured to execute any of the above methods through a computer program.
  • the above storage medium may include but is not limited to: U disk, read-only memory (Read-Only Memory, referred to as ROM), random access memory (Random Access Memory, referred to as RAM), Various media that can store computer programs, such as removable hard drives, magnetic disks, or optical disks.
  • ROM read-only memory
  • RAM random access memory
  • Various media that can store computer programs such as removable hard drives, magnetic disks, or optical disks.
  • the disclosed technical content can be implemented in other ways.
  • the device embodiments described above are only illustrative.
  • the division of units is only a logical function. It can be divided, and there may be other ways to divide it in actual implementation.
  • multiple units or components can be combined or integrated into another system, or some features can be ignored or not implemented.
  • the coupling or direct coupling or communication connection between each other shown or discussed may be through some interfaces, and the indirect coupling or communication connection of the units or modules may be in electrical or other forms.

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Databases & Information Systems (AREA)
  • Multimedia (AREA)
  • Computer Security & Cryptography (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Computer Hardware Design (AREA)
  • Computing Systems (AREA)
  • General Engineering & Computer Science (AREA)
  • Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)

Abstract

Sont divulgués un procédé, un appareil et un système de contrôle d'autorisation, et un dispositif électronique et un support de stockage, qui appartiennent au domaine technique des communications électriques. Le procédé comprend les étapes suivantes : réception d'un second fichier d'autorisation chiffré ; déchiffrement du second fichier d'autorisation au moyen d'une clé secrète intégrée et d'un déchiffreur, la clé secrète et le déchiffreur étant construits dans une mémoire morte (ROM) d'un terminal DVB unidirectionnel ; et en réponse au fait que le déchiffrement est réussi, mise à jour d'un premier fichier d'autorisation existant du terminal DVB unidirectionnel selon le second fichier d'autorisation déchiffré.
PCT/CN2023/100174 2022-06-20 2023-06-14 Procédé, appareil et système de contrôle d'autorisation, et dispositif électronique et support de stockage WO2023246585A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN202210700456.3A CN117319691A (zh) 2022-06-20 2022-06-20 授权控制方法、装置、系统、电子设备及存储介质
CN202210700456.3 2022-06-20

Publications (1)

Publication Number Publication Date
WO2023246585A1 true WO2023246585A1 (fr) 2023-12-28

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CN (1) CN117319691A (fr)
WO (1) WO2023246585A1 (fr)

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20160164841A1 (en) * 2013-07-23 2016-06-09 Azuki Systems, Inc. Media distribution system with manifest-based entitlement enforcement
CN108124480A (zh) * 2016-12-27 2018-06-05 深圳配天智能技术研究院有限公司 一种软件授权方法、系统及设备
CN110891187A (zh) * 2019-11-30 2020-03-17 广西广播电视信息网络股份有限公司 一种家庭智能终端的节目授权控制方法
CN110968844A (zh) * 2019-12-02 2020-04-07 卫盈联信息技术（深圳）有限公司 离线状态下的软件授权方法、服务器及可读存储介质
CN112380501A (zh) * 2021-01-19 2021-02-19 北京信安世纪科技股份有限公司 设备运行方法、装置、设备和存储介质

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20160164841A1 (en) * 2013-07-23 2016-06-09 Azuki Systems, Inc. Media distribution system with manifest-based entitlement enforcement
CN108124480A (zh) * 2016-12-27 2018-06-05 深圳配天智能技术研究院有限公司 一种软件授权方法、系统及设备
CN110891187A (zh) * 2019-11-30 2020-03-17 广西广播电视信息网络股份有限公司 一种家庭智能终端的节目授权控制方法
CN110968844A (zh) * 2019-12-02 2020-04-07 卫盈联信息技术（深圳）有限公司 离线状态下的软件授权方法、服务器及可读存储介质
CN112380501A (zh) * 2021-01-19 2021-02-19 北京信安世纪科技股份有限公司 设备运行方法、装置、设备和存储介质

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