CN113382306A - Secure transmission system, method and storage medium for live stream - Google Patents
Secure transmission system, method and storage medium for live stream Download PDFInfo
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- CN113382306A CN113382306A CN202110650149.4A CN202110650149A CN113382306A CN 113382306 A CN113382306 A CN 113382306A CN 202110650149 A CN202110650149 A CN 202110650149A CN 113382306 A CN113382306 A CN 113382306A
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- 230000005540 biological transmission Effects 0.000 title claims abstract description 42
- 238000000034 method Methods 0.000 title claims abstract description 33
- 230000003213 activating effect Effects 0.000 claims abstract description 7
- 238000012795 verification Methods 0.000 claims description 12
- 238000002955 isolation Methods 0.000 abstract description 4
- 238000010586 diagram Methods 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 3
- 230000006870 function Effects 0.000 description 2
- 238000004883 computer application Methods 0.000 description 1
- 238000007726 management method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
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- 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
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L12/00—Data switching networks
- H04L12/28—Data switching networks characterised by path configuration, e.g. LAN [Local Area Networks] or WAN [Wide Area Networks]
- H04L12/46—Interconnection of networks
- H04L12/4641—Virtual LANs, VLANs, e.g. virtual private networks [VPN]
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- 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
- H04L63/02—Network architectures or network communication protocols for network security for separating internal from external traffic, e.g. firewalls
- H04L63/0272—Virtual private networks
-
- 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
- H04L63/08—Network architectures or network communication protocols for network security for authentication of entities
- H04L63/0807—Network architectures or network communication protocols for network security for authentication of entities using tickets, e.g. Kerberos
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- 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
- H04L9/321—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 a third party or a trusted authority
- H04L9/3213—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 a third party or a trusted authority using tickets or tokens, e.g. Kerberos
-
- 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
- H04N21/235—Processing of additional data, e.g. scrambling of additional data or processing content descriptors
-
- 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
- H04N21/237—Communication with additional data server
-
- 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
- H04N21/25—Management operations performed by the server for facilitating the content distribution or administrating data related to end-users or client devices, e.g. end-user or client device authentication, learning user preferences for recommending movies
- H04N21/254—Management at additional data server, e.g. shopping server, rights management server
- H04N21/2541—Rights Management
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L2209/00—Additional information or applications relating to cryptographic mechanisms or cryptographic arrangements for secret or secure communication H04L9/00
- H04L2209/60—Digital content management, e.g. content distribution
- H04L2209/603—Digital right managament [DRM]
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Computer Security & Cryptography (AREA)
- Computer Networks & Wireless Communication (AREA)
- Multimedia (AREA)
- Computer Hardware Design (AREA)
- Computing Systems (AREA)
- General Engineering & Computer Science (AREA)
- Databases & Information Systems (AREA)
- Data Exchanges In Wide-Area Networks (AREA)
Abstract
The application discloses a safe transmission system, a method and a storage medium of live streaming, the system comprises a terminal, a first server and a second server, the terminal is allowed to request a resource address from the first server only when being connected with a VPN network based on a built-in VPN client and being in the VPN network, after receiving the resource address and a token returned by the first server, the terminal authenticates to the second server based on the token to obtain a permission protocol returned by the second server, the permission protocol is used for activating a DRM function module built in the terminal, the live streaming is encrypted based on the resource address request, after the encrypted live streaming is obtained, the encrypted live streaming is decrypted based on the DRM function module, and finally the decrypted live streaming is played, and the network isolation of a software layer and the encryption of the live streaming are realized in the whole process, high-security transmission of the live stream is realized.
Description
Technical Field
The present application relates to the field of computer application technologies, and in particular, to a system, a method, and a storage medium for secure transmission of a live stream.
Background
Ott (over The top) means that internet companies develop various video and data service services based on The open internet across operators.
On intelligent devices such as an intelligent television, a set-top box and a projector based on the OTT, how to provide a high-security online real-time live broadcast experience for users and improve the market share of the OTT intelligent terminal is always the direction of efforts of related researchers.
Disclosure of Invention
In order to solve the technical problem, the present application provides a system, a method and a storage medium for secure transmission of a live stream, so as to achieve the purpose of improving the security of live stream transmission.
In order to achieve the technical purpose, the embodiment of the application provides the following technical scheme:
a system for secure transmission of a live stream, comprising: the system comprises a terminal, a first server and a second server; wherein,
the terminal is used for connecting a VPN network based on a VPN client end built in the terminal, requesting a resource address to the first server when the terminal is in the VPN network, authenticating the second server based on the token after receiving the resource address and the token returned by the first server to obtain a permission protocol returned by the second server, wherein the permission protocol is used for activating a DRM function module built in the terminal, requesting to encrypt live streaming based on the resource address, and decrypting the encrypted live streaming based on the DRM function module after obtaining the encrypted live streaming;
the first server is used for requesting the token from the second server after receiving a resource address request of the terminal, acquiring a resource address based on the resource address request, and sending the acquired resource address and the token returned by the second server to the terminal;
the second server is used for transmitting the token to the first server after receiving the token request of the first server; and the system is used for authenticating the terminal based on the token after receiving the token and the authentication request sent by the terminal, and sending the license agreement to the terminal after the authentication is passed.
Optionally, the process of the terminal connecting to the VPN network based on the VPN client built in the terminal specifically includes:
and based on the SDK function module of the VPN client, sending equipment information and user information to a VPN server for verification by the VPN server, and when the verification of the VPN server is passed, establishing a virtual private network of the VPN client and the VPN server so as to enable the terminal to be in a VPN network.
Optionally, the terminal is further configured to request an EPG service from the first server when the terminal is in the VPN network, so as to obtain the live channel information returned by the first server.
Optionally, the first server includes an EPG server.
Optionally, the second server includes a DRM server.
A secure transmission method of a live stream comprises the following steps:
connecting a VPN network based on a VPN client built in a terminal;
requesting a resource address from a first server while in the VPN network;
after receiving the resource address and the token returned by the first server, authenticating a second server based on the token to obtain a license agreement returned by the second server, wherein the license agreement is used for activating a DRM function module built in the terminal;
and requesting to encrypt the live stream based on the resource address, and decrypting the encrypted live stream based on the DRM functional module after obtaining the encrypted live stream.
Optionally, before the requesting the resource address from the first server, the method further includes:
and when the terminal is in the VPN network, requesting EPG service from the first server to acquire the live channel information returned by the first server.
Optionally, the connecting the VPN network based on the VPN client built in the terminal includes:
and based on the SDK function module of the VPN client, sending equipment information and user information to a VPN server for verification by the VPN server, and when the verification of the VPN server is passed, establishing a virtual private network of the VPN client and the VPN server so as to enable the terminal to be in a VPN network.
A system for secure transmission of a live stream, comprising: a memory and a processor; the storage is stored with a program code, the processor is configured to invoke the program code, and when the program code is invoked, the method for secure transmission of a live stream according to any one of the above items is implemented.
A storage medium having stored therein program code that, when executed, implements a method of secure transmission of a live stream as described in any of the above.
It can be seen from the foregoing technical solutions that the present application provides a secure transmission system, a method, and a storage medium for a live stream, where the secure transmission system for a live stream includes a terminal, a first server, and a second server, where the terminal is allowed to request a resource address from the first server only when the terminal is connected to a VPN network based on a built-in VPN client and is in the VPN network, and after receiving the resource address and a token returned by the first server, the terminal authenticates the second server based on the token to obtain a permission protocol returned by the second server, where the permission protocol is used to activate a DRM function module built in the terminal, request an encryption of a live stream based on the resource address, decrypt the encrypted live stream based on the DRM function module after obtaining the encrypted live stream, and finally play the decrypted live stream, in the whole process, network isolation of a software layer and encryption of the live stream are realized, and high-safety transmission of the live stream is realized.
Drawings
In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly introduced below, it is obvious that the drawings in the following description are only embodiments of the present application, and for those skilled in the art, other drawings can be obtained according to the provided drawings without creative efforts.
Fig. 1 is a schematic structural diagram of a secure transmission system for a live stream according to an embodiment of the present application;
fig. 2 is a schematic structural diagram of a secure transmission system for a live stream according to another embodiment of the present application;
fig. 3 is a schematic structural diagram of a secure transmission system for a live stream according to another embodiment of the present application;
fig. 4 is a flowchart illustrating a method for secure transmission of a live stream according to an embodiment of the present application;
fig. 5 is a flowchart illustrating a method for secure transmission of a live stream according to another embodiment of the present application;
fig. 6 is a flowchart illustrating a method for secure transmission of a live stream according to another embodiment of the present application;
fig. 7 is a schematic interface diagram illustrating live channel information according to an embodiment of the present application.
Detailed Description
The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only a part of the embodiments of the present application, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.
An embodiment of the present application provides a secure transmission system for a live stream, as shown in fig. 1, including: the system comprises a terminal, a first server and a second server; wherein,
the terminal is used for connecting a VPN network based on a VPN client end built in the terminal, requesting a resource address to the first server when the terminal is in the VPN network, authenticating the second server based on the token after receiving the resource address and the token returned by the first server to obtain a permission protocol returned by the second server, wherein the permission protocol is used for activating a DRM function module built in the terminal, requesting to encrypt live streaming based on the resource address, and decrypting the encrypted live streaming based on the DRM function module after obtaining the encrypted live streaming;
the first server is used for requesting the token from the second server after receiving a resource address request of the terminal, acquiring a resource address based on the resource address request, and sending the acquired resource address and the token returned by the second server to the terminal;
the second server is used for transmitting the token to the first server after receiving the token request of the first server; and the system is used for authenticating the terminal based on the token after receiving the token and the authentication request sent by the terminal, and sending the license agreement to the terminal after the authentication is passed.
First, possible acronyms of english that may appear in this application are explained:
VPN: virtual private Network, i.e. virtual private Network, functions to establish a private Network over a public Network, so that data transmission between networks is performed in an encrypted manner.
DRM: digital rights Management, a technology for protecting digital media rights, is a technology that encrypts digital media files and decrypts the digital media files with a specific key before the digital media files are normally played or used.
CDN: the Content Delivery Network is an intelligent virtual Network established on the basis of the existing Network, and users can obtain required contents nearby by means of functional modules of load balancing, Content Delivery, scheduling and the like of a central platform by means of edge servers deployed in various places, so that Network congestion is reduced, and the access response speed and hit rate of the users are improved.
EPG: electronic program guide, i.e., Electronic program menu.
And (3) SDK: software Development Kit, a Software Development Kit, is a collection of Development tools that are generally used by some Software engineers to build application Software for a specific Software package, Software framework, hardware platform, operating system, and the like.
In this embodiment, the system for secure transmission of a live stream includes a terminal, a first server and a second server, the terminal is allowed to request the resource address from the first server only when the terminal is connected to the VPN network based on the built-in VPN client and is in the VPN network, after receiving the resource address and the token returned by the first server, authenticating the second server based on the token, to obtain a license agreement returned by the second server, the license agreement being used to activate a DRM function module built in the terminal, to request encryption of a live stream based on the resource address, after the encrypted live stream is obtained, the encrypted live stream is decrypted based on the DRM functional module, and finally the decrypted live stream is played, so that network isolation on a software layer and encryption of the live stream are realized in the whole process, and high-safety transmission of the live stream is realized.
Specific feasible functions of each device of the secure transmission system for live streaming provided by the embodiment of the present application are described below.
Optionally, in an embodiment of the present application, as shown in fig. 2, a process of the terminal connecting to the VPN network based on a VPN client built in the terminal specifically includes:
and based on the SDK function module of the VPN client, sending equipment information and user information to a VPN server for verification by the VPN server, and when the verification of the VPN server is passed, establishing a virtual private network of the VPN client and the VPN server so as to enable the terminal to be in a VPN network.
Optionally, in another embodiment of the present application, as shown in fig. 3, the terminal is further configured to request an EPG service from the first server when the terminal is in the VPN network, so as to obtain the live channel information returned by the first server.
Optionally, the first server includes an EPG server.
The second server comprises a DRM server.
The following describes a secure transmission method of a live stream provided in an embodiment of the present application, and the secure transmission method of a live stream described below may be referred to in correspondence with the secure transmission system of a live stream described above.
Correspondingly, who and you in this application also provides a secure transmission method of a live stream, as shown in fig. 4, including:
s101: connecting a VPN network based on a VPN client built in a terminal;
s102: requesting a resource address from a first server while in the VPN network;
s103: after receiving the resource address and the token returned by the first server, authenticating a second server based on the token to obtain a license agreement returned by the second server, wherein the license agreement is used for activating a DRM function module built in the terminal;
s104: and requesting to encrypt the live stream based on the resource address, and decrypting the encrypted live stream based on the DRM functional module after obtaining the encrypted live stream.
Optionally, referring to fig. 5, the connecting a VPN network based on a VPN client built in the terminal includes:
s1011: and based on the SDK function module of the VPN client, sending equipment information and user information to a VPN server for verification by the VPN server, and when the verification of the VPN server is passed, establishing a virtual private network of the VPN client and the VPN server so as to enable the terminal to be in a VPN network.
Optionally, referring to fig. 6, before the requesting the resource address from the first server, the method further includes:
s105: and when the terminal is in the VPN network, requesting EPG service from the first server to acquire the live channel information returned by the first server.
The live channel information, that is, data required for EPG display, and the terminal may display the acquired data in an interface of a live entry of the terminal, where the interface is similar to the interface shown in fig. 7.
Correspondingly, the embodiment of the present application further provides a system for secure transmission of a live stream, including: a memory and a processor; the storage is stored with a program code, the processor is configured to invoke the program code, and when the program code is invoked, the method for secure transmission of a live stream according to any of the above embodiments is implemented.
Correspondingly, an embodiment of the present application further provides a storage medium, where a program code is stored in the storage medium, and when executed, the program code implements the secure transmission method for a live stream according to any of the above embodiments.
To sum up, the embodiment of the present application provides a secure transmission system, a method and a storage medium for live streaming, wherein the secure transmission system for live streaming includes a terminal, a first server and a second server, the terminal is allowed to request a resource address from the first server only when the terminal is connected to a VPN network based on a built-in VPN client and is in the VPN network, after receiving the resource address and a token returned from the first server, the terminal authenticates the second server based on the token to obtain a permission protocol returned from the second server, the permission protocol is used to activate a DRM function module built in the terminal, encrypt live streaming based on the resource address, decrypt the encrypted live streaming based on the DRM function module after obtaining the encrypted live streaming, and finally play the decrypted live streaming, in the whole process, network isolation of a software layer and encryption of the live stream are realized, and high-safety transmission of the live stream is realized.
Features described in the embodiments in the present specification may be replaced with or combined with each other, each embodiment is described with a focus on differences from other embodiments, and the same and similar portions among the embodiments may be referred to each other.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present application. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the application. Thus, the present application is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (10)
1. A system for secure transmission of a live stream, comprising: the system comprises a terminal, a first server and a second server; wherein,
the terminal is used for connecting a VPN network based on a VPN client end built in the terminal, requesting a resource address to the first server when the terminal is in the VPN network, authenticating the second server based on the token after receiving the resource address and the token returned by the first server to obtain a permission protocol returned by the second server, wherein the permission protocol is used for activating a DRM function module built in the terminal, requesting to encrypt live streaming based on the resource address, and decrypting the encrypted live streaming based on the DRM function module after obtaining the encrypted live streaming;
the first server is used for requesting the token from the second server after receiving a resource address request of the terminal, acquiring a resource address based on the resource address request, and sending the acquired resource address and the token returned by the second server to the terminal;
the second server is used for transmitting the token to the first server after receiving the token request of the first server; and the system is used for authenticating the terminal based on the token after receiving the token and the authentication request sent by the terminal, and sending the license agreement to the terminal after the authentication is passed.
2. The system according to claim 1, wherein the process of the terminal connecting to the VPN network based on the VPN client built in the terminal specifically includes:
and based on the SDK function module of the VPN client, sending equipment information and user information to a VPN server for verification by the VPN server, and when the verification of the VPN server is passed, establishing a virtual private network of the VPN client and the VPN server so as to enable the terminal to be in a VPN network.
3. The system of claim 1, wherein the terminal is further configured to request an EPG service from the first server to obtain the live channel information returned by the first server while in the VPN network.
4. The system of claim 1, wherein the first server comprises an EPG server.
5. The system of claim 1, wherein the second server comprises a DRM server.
6. A method for secure transmission of a live stream is characterized in that the method for secure transmission of a live stream comprises the following steps:
connecting a VPN network based on a VPN client built in a terminal;
requesting a resource address from a first server while in the VPN network;
after receiving the resource address and the token returned by the first server, authenticating a second server based on the token to obtain a license agreement returned by the second server, wherein the license agreement is used for activating a DRM function module built in the terminal;
and requesting to encrypt the live stream based on the resource address, and decrypting the encrypted live stream based on the DRM functional module after obtaining the encrypted live stream.
7. The method of claim 6, wherein the requesting the resource address from the first server further comprises:
and when the terminal is in the VPN network, requesting EPG service from the first server to acquire the live channel information returned by the first server.
8. The method of claim 6, wherein the connecting a VPN network based on a VPN client built in the terminal comprises:
and based on the SDK function module of the VPN client, sending equipment information and user information to a VPN server for verification by the VPN server, and when the verification of the VPN server is passed, establishing a virtual private network of the VPN client and the VPN server so as to enable the terminal to be in a VPN network.
9. A system for secure transmission of a live stream, comprising: a memory and a processor; wherein the memory has stored therein program code, the processor being configured to invoke the program code, when invoked, implementing the method for secure transmission of a live stream of any of claims 6-8.
10. A storage medium, characterized in that a program code is stored in the storage medium, which program code, when executed, implements a method for secure transmission of a live stream according to any of claims 6-8.
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| CN202110650149.4A CN113382306A (en) | 2021-06-10 | 2021-06-10 | Secure transmission system, method and storage medium for live stream |
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| CN202110650149.4A CN113382306A (en) | 2021-06-10 | 2021-06-10 | Secure transmission system, method and storage medium for live stream |
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2021
- 2021-06-10 CN CN202110650149.4A patent/CN113382306A/en active Pending
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| CN101699819A (en) * | 2009-11-13 | 2010-04-28 | 中国电信股份有限公司 | Method and system for managing digital rights |
| US20120246462A1 (en) * | 2011-03-23 | 2012-09-27 | General Instrument Corporation | System and methods for providing live streaming content using digital rights management-based key management |
| CN106156545A (en) * | 2015-04-28 | 2016-11-23 | 阿里巴巴集团控股有限公司 | Realize the method for digital copyright management, client and system |
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Application publication date: 20210910 |