CN115811625A - Streaming media service method and system for customizing information security level - Google Patents
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Abstract
The invention discloses aA stream media service method and system for customizing information security level. The application server side inputs the address (URL) of the key relay server in the system A ) (ii) a The system receives a film file of an application server, divides the film file into a plurality of packet data, carries out encryption operation and stores a decryption key into a key server; the system transmits an access token to the application server, so that the application server obtains a decryption key from the key server and stores the decryption key in a key relay server to which the application server belongs; further remarks (URL) A ) And storing the data into a streaming media database; several terminal devices obtain the packet data according to the (URL) A ) Connecting a key relay server; the application server side verifies the login member and provides a decryption key to the terminal device after verification is passed. It should be noted that the application server does not need to provide any member data to the streaming media server, thereby achieving the effect of information security.
Description
Technical Field
The invention relates to a streaming media service method and a system for customizing information security level, in particular to a streaming media service for preventing information leakage.
Background
Video and audio Streaming media services are divided into Live (Live) and on Demand (Video on Demand), in the past, application Service providers who have such needs have to construct Software and hardware systems by themselves, including Application Software (Application Software), streaming media Software (Streaming Software), server hosts (Servers), network Bandwidth (Internet Bandwidth), and a host computer hosting room (coordination), and in the Cloud era, a Virtual Machine (Virtual Machine) is started to serve as a Cloud Service (Infrastructure services) of an Infrastructure as a Service (Infrastructure services), so that the problem of hosting of the host computer is solved.
Because the audio-video streaming media service is a cloud application service, but a system developer needs to develop audio-video streaming media software with higher difficulty besides software programs related to the application of the audio-video streaming media service, not only the system developer needs to develop audio-video streaming media software, but also the developer needs to design a large-scale and massive-service software and hardware architecture to meet the good user experience of a large number of audiences, which has quite high difficulty for most software engineers; the Platform of the video streaming Service, namely, the Platform as a Service (Platform as a Service), can solve the above-mentioned problems, and let the application software engineer concentrate on the more familiar field, and directly use the services such as video streaming software, host, bandwidth, computer room, etc. provided by the video streaming Service Platform, and the application software engineer only needs to use the dedicated or standard player software to present the video content of the streaming media on the terminal device of the application Service software.
Since the audience of the video and audio streaming media service is an important asset of the application service provider, the application service provider will not exchange any information related to the end user with the platform service provider based on the consideration of protecting personal resources and business secrets, therefore, when the end user must log in the authorization program to watch, the application service software system must add the authority control management of the log-in information in the player program to ensure that the user with authority can watch; however, the program control authority of the player has a disadvantage that anyone who can obtain the Streaming URL can skip the player provided by the application service platform, and can view the Video in an unauthorized state by using any player supporting the Video Streaming Protocol (Video Streaming Protocol), so most of the methods are to encrypt the Video and send it out, provide the address of a decryption Key Server (Key Server) to the player, and check the login and authority information of the application service terminal in the decryption Key Server program.
The other problem of this method is that the rights of the terminal application server are controlled and managed when the streaming media service and the application service belong to different suppliers, as mentioned above, the audience of the video streaming media service is an important asset of the application service provider, the streaming media service platform cannot own the account number data of the terminal application server, and the risk of exposing user's personal resources or being recorded by a third party is existed when the streaming media service platform logs in, which will make the security of the streaming media service provider questioned.
The invention has developed a kind of flow media service of key agent technology in order to solve the above-mentioned problem, the flow media content provider (namely application service provider) uses the standard communication protocol (such as https) as the key server, offer the decryption key for its user, this key server is also known as the relay server of the secret key; the key Server of the streaming media service provider and the key relay Server of the application service provider only exchange the keys in a Server-to-Server mode, and the terminal user identity authentication or login behavior is finished in an on-line system of the application service provider, so that the streaming media service provider does not worry about any fund or business secret being leaked.
Disclosure of Invention
In view of the above, the present invention provides a streaming media service method and system for customizing information security level, which can perform streaming media service according to different requirements of an application server on information security, and meet the requirement that the application server with high information security does not reveal any personal information or business secrets of related members.
The invention provides a stream media service method and a system for customizing information security level, the flow is as follows: 1. the application service system provides a server address URLA of a decryption key from the application service system to a registry of the streaming media service system, and the address belongs to the application service system; 2. the stream media service system provides a decryption key server address URLS and an access token (token) which is special for the application service system, the token is secret content, and only the application service system and the stream media service system know the secret content and cannot be transmitted on a device and a network of an end user; 3. when the player obtains the encrypted video streaming media data from the streaming media service system, the URLA is obtained at the same time, and then the decryption key is indirectly obtained by taking the URLA as a relay server; URLA and player belong to the application service system together, URLA can carry on the application service end authority check of the end user, have the right to watch the person of the video-audio streaming media will transfer the cipher key, refuse to provide if there is no authority, so the person without authority can't watch the content of the streaming media illegally; the program of the urla is application system supplied, the program accepts the player's request to supply the decryption key, but it does not have the decryption key, so it must fetch the decryption key from the URLS with a proprietary token in real time, and in order to ensure that the key can only be passed to that particular application service system, the URLS program checks if the token is correct.
Preferably, the present invention provides a streaming media service method and system for customizing information security level, which can satisfy different information security requirements of an application service end (business), such as a learning film of a patch class.
When the information security requirement is a general requirement, the process is as follows, the remedial class uploads a film file to a streaming media module, and the streaming media module divides the film file into a plurality of packet data; storing the packet data into a flow media database corresponding to the application server; several terminal devices link the flow media database to get the package data according to the address of the flow media database issued by the application server; and executing a player application program on the terminal devices to decapsulate the packet data and play the movie file.
As described above, when the number of people in class displayed by the on-line teaching system developed by the study-supplementing class is different from the number of people watching the streaming media provided by the system (someone finds the website of the streaming media from the on-line teaching software and then inputs the website by using general playing software, the content in class can be seen freely); furthermore, the information security requirement of the study-supplementing class is changed into a middle-level requirement, the system is requested to provide an encryption function, only student members of the study-supplementing class can see the encryption function, and then the study-supplementing class provides a member list and member information to a key server of the system, so that the key server can verify the member identities; the flow is as follows, the streaming media module receives the movie file uploaded by the study patch and divides the movie file into a plurality of packet data; the stream media module carries out encryption operation on the packet data and stores a decryption key corresponding to decryption into a key server; further annotating a key address (URL) S ) And storing the data into a streaming media database; the terminal devices obtain the packet data according to the streaming media database address provided by the remedial class and further according to the annotated URL S Connecting a Key Server (Key API Server) to which a streaming media Server belongs; the streaming media server side verifies according to a member list provided by the application server side, and if the verification is passed, a decryption key is provided for the terminal device; and running a player application program on the terminal devices, decrypting and unsealing the packet data according to the decryption key, and playing the movie file.
After the above, the study class is further supplemented to worry about the leakage of the member data, so that the information security requirement is changed into a high-level requirement; the process is as follows, a management module requires an application Server to input a secret Key Relay address (URL) of a secret Key Relay Server (Key Relay Server) A ) (ii) a The streaming media module is connected with the management module and used for receiving a film file uploaded by the application server, and the film file is divided into a plurality of packet data by the streaming media module; the streaming media module encrypts the packet data and stores a decryption key into a key server; the stream media module transmits an access token to the remedial class, and the remedial class obtains a solution from the key server depending on the access tokenThe secret key is stored in the secret key relay server; after the encryption operation, the key relay address (URL) is further added A ) And storing the data into a streaming media database; the terminal devices link the streaming media database according to the streaming media database address provided by the remedial class to obtain the packet data, and further obtain the packet data according to the URL A Connecting a Key Relay Server (Key Relay Server) to which the remedial class belongs; the study supplementing class verifies the login member by self, and provides a decryption key to the terminal device after the verification is passed, so that the study supplementing class does not need to provide any member data to the streaming media server, and the effect of information security and confidentiality is achieved; and executing the player application program on the terminal devices to decrypt and unseal the packet data according to the decryption key and play the movie file.
Drawings
FIG. 1 is a schematic diagram of a streaming media service system for customizing information security level according to the present invention;
FIG. 2 is a schematic diagram of a streaming media service method for customizing information security level according to the present invention;
FIG. 3 is a schematic diagram of the streaming media service method for advocating customized information security level of a movie according to the present invention;
fig. 4 is a schematic diagram of a streaming media service method for customizing information security level of a live movie according to the present invention;
FIG. 5 is a schematic diagram of a streaming media service method for customizing information security level of a teaching film according to the present invention;
FIG. 6 is a flow chart illustrating a preferred embodiment of the present invention.
Description of the reference numerals: a streaming media server 10; a key server 110; a management module 120; a streaming media module 130; an application server 20; a key relay server 210; a movie file 220; a real-time movie 230; a terminal device 30; step S1-S15 of the streaming media service method for customizing the information security level; C10-C40, a streaming media service method for advocating the security level of the customized information of the film; B10-B70, a streaming media service method for customizing the information security level of the live broadcast film; A10-A80 steps of the streaming media service method for teaching film to customize information security level; a preferred embodiment is shown in flow steps D10-D110.
Detailed Description
The invention provides a stream media service method and system for customizing information security level, the system configuration can refer to fig. 1, comprising:
a streaming media server 10, providing streaming media services, comprising:
a Key Server 110 (Key API Server) stores a decryption Key;
a management module 120, which establishes an application server data for an application server 20;
a streaming media module 130, which divides a video file 220 or/and a real-time video 230 into a plurality of packet data and performs an encryption operation, and further provides an access Token (Token);
the application server 20 is connected to the streaming media server 10, and includes:
a secret Key Relay Server 210 (Key Relay Server), which obtains the decryption Key from the Key Server 110 by using a dependent Token (Token), and the application Server 20 has the management authority of the secret Key Relay Server 210; and
the plurality of terminal devices 30 are linked to the application server 20 and have a player application installed.
The invention provides a streaming media service method for customizing information security level, which can refer to fig. 2, and the method comprises the following steps:
s1, a stream media server 10 creates a plurality of stream media databases for a plurality of application servers 20 by a stream media module 130, and makes the databases correspond to addresses of the stream media databases respectively;
s2, a Key Server 110 (Key API Server) of the streaming media Server 10 is connected to the streaming media module 130, and provides a Key address (URL) corresponding to the Key Server 110 S ) The streaming media server 10 has the management authority of the key server 110;
s3, a management module 120 of the streaming media server 10 is connected with the key server 110, and a plurality of application server data of the application servers 20 are established, wherein the application server data comprise application server types, an information security level and contract contents;
s4. If the application server 20 inputsThe information security level is a level a, and the management module 120 further requests the application Server 20 to input a Key Relay address (URL) where a Key Relay Server 210 (Key Relay Server) is located A ) The application server 20 has the management authority of the key relay server 210;
s10, the streaming media module 130 is connected to the management module 120, and receives a video file (video file) 220 or/and a real-time video 230 uploaded by the application server 20, and the streaming media module 130 divides the video file or/and the real-time video into a plurality of packet data;
s11, if the information security level is a C level, continuing to step S15;
s12, the streaming media module 130 encrypts the packet data and stores a decryption Key corresponding to decryption into a Key Server 110 (Key API Server);
s13, if the information security level is the a level, the streaming media module 130 transmits an access Token (Token) to the application Server 20, and the application Server 20 obtains the decryption Key from the Key Server 110 (Key API Server) according to the access Token (Token) and stores the decryption Key in a Key relay address (URL) A ) The Key Relay Server 210 (Key Relay Server) above;
s14, after the packet data is encrypted, the streaming media module 130 further adds a key relay address 210 (URL) where the decryption key is located according to the information security level A ) Or/and key address 110 (URL) S ) (ii) a And
and S15, storing the packet data or/and the packet data added with the URL into the streaming media database according to the corresponding streaming media database address of the application server 20.
In the above steps, it should be noted that the key relay server 210 with the information security level of class a is not installed in the streaming server 10 of the present system, but in the application program of the application server 20 itself.
Example one advocated movie
The invention provides a stream media service method for customizing information security level, for a public welfare group (application server 20) to issue a advocate film, which can refer to fig. 3, the information security level of the application server 20 is a level C (general), a stream media database corresponds to a stream media database address, and the flow of a plurality of terminal devices 30 is as follows:
C10. the streaming media module 130 is connected to a management module 120, and receives a movie file 220 uploaded by the application server 20, and the streaming media module 130 divides the movie file 220 into a plurality of packet data;
C20. storing the packet data into the streaming media database corresponding to the streaming media database address of the application server 20;
C30. the terminal device 30 links the streaming media database according to the address of the streaming media database issued by the application server 20 to obtain the packet data; and
C40. the terminal device 30 plays the movie file 220 by running a player application to decapsulate the packet data.
Example two live movies
The invention provides a stream media service method for customizing information security level, which is used for a direct broadcast end to issue a direct broadcast film, and can refer to fig. 4, wherein the information security level of the direct broadcast end (an application server 20) is a B level (a middle level), a stream media database corresponds to a stream media database address, and the flows of a plurality of terminal devices 30 are as follows:
B10. the streaming media module 130 is connected to a management module 120, and receives the real-time movie 230 uploaded by the application server 20, and the streaming media module 130 divides the real-time movie 230 into a plurality of packet data;
B20. the streaming media module 130 performs an encryption operation on the packet data, and stores a decryption Key corresponding to the decryption into a Key Server 110 (Key API Server);
B30. after encrypting the packet data, the streaming media module 130 further adds the Key address (URL) of the Key Server 110 (Key API Server) where the decryption Key is located S ) And stores the data into the streaming media database according to the address of the streaming media database corresponding to the application server 20;
B40. the terminal device 30 links the streaming media data according to the address of the streaming media database provided by the application server 20A library for acquiring the packet data and further filling the URL according to the packet data S Connecting a Key Server 110 (Key API Server) to which the streaming media Server belongs;
B50. the streaming media server 10 verifies according to the member list provided by the application server 20, and provides a decryption key to the terminal device 30 if the verification is passed;
B60. the terminal device 30 decrypts and decapsulates the packet data by using the decryption key by running the player application program, and plays the live broadcast; and
B70. the streaming media server 10 provides a statistical report to the application server 20 by counting the member login information.
In the above embodiment, step B50 may also be that the streaming media server 10 submits the application server 20 to request for authentication after receiving the member login information.
Third embodiment teaching film
The invention provides a stream media service method for customizing information security level, which is used for a study team to issue a teaching film, and can refer to fig. 5, wherein one information security level of the study team (an application server 20) is a level A (high level), a stream media database corresponds to a stream media database address, and the flows of a plurality of terminal devices 30 are as follows:
A10. a management module 120 requests the application Server 20 to input a Key Relay address (URL) of a Key Relay Server 210 (Key Relay Server) A )；
A20. A streaming media module 130 connected to the management module 120 for receiving a movie file 220 uploaded by the application server 20, wherein the streaming media module 130 divides the movie file 220 into a plurality of packet data;
A30. the streaming media module 130 performs an encryption operation on the packet data, and stores a decryption Key corresponding to the decryption into a Key Server 110 (Key API Server);
A40. the streaming media module 130 transmits an access Token (Token) to the application Server 20, and the application Server 20 obtains the decryption Key from the Key Server 110 (Key API Server) according to the access Token (Token) and stores the decryption Key in a Key relay address (URL) A ) In the above keyWithin the Relay Server 210 (Key Relay Server);
A50. after the encryption operation is performed on the packet data, the streaming media module 130 further adds a Key Relay address (URL) of a Key Relay Server 210 (Key Relay Server) where the decryption Key is located A ) And stores the data into the streaming media database according to the address of the streaming media database corresponding to the application server 20;
A60. the terminal device 30 links the streaming media database according to the streaming media database address provided by the application server 20 to obtain the packet data, and further adds the URL according to the packet data A Connect to the Key Relay Server 210 (Key Relay Server) to which the application Server 20 belongs;
A70. the application server 20 verifies the login member by itself, and provides the decryption key to the terminal device 30 after the verification is passed, and it should be noted that the application server 20 does not need to provide any member data to the streaming media server 10, thereby achieving the effect of information security; and
A80. the terminal device 30 plays the movie file 220 by running a player application and decrypting and unsealing the package data using the decryption key.
Example four A preferred embodiment Process
The invention provides a streaming media service method and a system for customizing information security level, the flow of the preferred embodiment is as follows:
D10. an application server 20 uploads a movie profile 220 or/and a real-time movie 230 to a streaming media module 130 to which a streaming media server 10 belongs;
D20. the streaming media module 130 segments the video file 220 or/and the real-time video 230 into a plurality of packet data, and further compares an information security level of the application server 20;
D30. if the information security level is a level C, continuing to step D70;
D40. further performing an encryption operation on the packet data, and storing a decryption key corresponding to the decryption into a key server 110 to which the application server 20 belongs;
D50. if the information security level is a level A, the flowThe media server 10 transmits an access token to the application server 20, and the application server 20 obtains the decryption key from the key server 110 according to the access token and stores the decryption key in a secret key relay address (URL) of the application server 20 A ) A corresponding private key relay server 210; after the encryption operation, the packet data is further added with a key relay address (URL) where the decryption key is located A )；
D60. If the information security level is a level B, the streaming media module 130 further adds a key address (URL) where the decryption key is located after performing the encryption operation on the packet data S )；
D70. Storing the packet data or/and the packet data added with the URL into a streaming media database according to the streaming media database address corresponding to the application server 20;
D80. several members of the application server 20, on the terminal device 30, according to the streaming media database address issued by the application server 20, link to the streaming media database to obtain these package data;
D90. if the information security level is level A, the terminal device 30 follows the URL A The key relay server 210 is linked, the application server 20 verifies the member identity by itself, and after the verification is passed, the key relay server 210 of the application server 20 provides the decryption key to the terminal device 30;
D100. if the information security level is level B, the terminal device 30 follows the URL S A link key server 110, the streaming server 10 verifies the member data provided by the application server 20, and after the verification is passed, the key server 110 of the streaming server 10 provides the decryption key to the terminal device 30; and
D110. the terminal device 30 plays the movie file 220 and/or the real-time movie 230 by running a player application and decrypting and unsealing the packet data with a decryption key.
It is worth noting that the embodiment of the invention combines with a cloud service platform, so that the encryption of key delivery is solved; the encrypted key delivery is mainly delivered to the terminal user through the customer of the tob, and the identity authentication does not need to pass through a platform operator, so the customer of the tob is doubtful to be recorded by the platform operator, but the invention has no doubt.
The foregoing embodiments are merely illustrative of the principles and effects of the present invention, which is not intended to limit the invention to the specific embodiments shown and described herein; accordingly, those skilled in the art will recognize that there are equivalent modifications, adaptations, and variations of the above-described embodiments that do not depart from the spirit of the invention; the scope of the invention is to be determined by the following claims.
Claims (10)
1. A stream media service method for customizing information security level comprises the following steps:
D10. an application server side uploads a film file or/and a real-time film to a streaming media module of a streaming media server side;
D20. the streaming media module divides the film file or/and the real-time film into a plurality of packet data, and further compares an information security level of the application server;
D40. the streaming media module carries out encryption operation on the packet data and stores a decryption key corresponding to decryption into a key server of the application server;
D50. if the information security level is A level, the streaming media server transmits an access token to the application server, and the application server acquires a decryption key from the key server by using the access token and stores the decryption key in a secret key relay address (URL) of the application server A ) A corresponding secret key relay server; after the encryption operation, the packet data is further added with a key relay address (URL) where the decryption key is located A )；
D70. Will fill in the URL A The packet data is stored in a streaming media database according to the address of the streaming media database corresponding to the application server;
D80. several members of the application server end link to the flow media database to obtain the package data according to the flow media database address issued by the application server end on several terminal devices;
D90. if the information security level is level A, then thisThe terminal devices are according to URL A The key relay server is linked, the application server side verifies the identity of the members by self, and after the verification is passed, the key relay server of the application server side provides the decryption key for the terminal devices; and
D110. the terminal devices play the movie file or/and the real-time movie by running the player application and decrypting and unsealing the packet data by using the decryption key.
2. The streaming media service method for customizing the information security level according to claim 1, wherein the information security level is a key relay server of a class A, belongs to an application server administration, and has a management authority.
3. The streaming media service method for customizing the information security level according to claim 1, wherein if the information security level is a level C, step D20 continues with the following steps;
E70. storing the packet data into a streaming media database according to the address of the streaming media database corresponding to the application server;
E80. several members of the application server end link to the flow media database to obtain the package data according to the flow media database address issued by the application server end on several terminal devices; and
E110. and running a player application program on the terminal devices to play the movie file or/and the real-time movie.
4. The streaming media service method for customizing the information security level according to claim 1, wherein when the information security level is level B, step D40 is continued with the following steps;
F60. the stream media module further adds a key address (URL) of the decryption key after the encryption operation is performed on the packet data S )；
F70. Will fill in the URL S The packet data is stored in a flow media database according to the address of the flow media database corresponding to the application server;
F80. several members of the application server end link to the flow media database to obtain the package data according to the flow media database address issued by the application server end on several terminal devices; and
F100. these terminal devices are arranged according to URL S Linking the key server, verifying the streaming media server according to the member information provided by the application server, and providing a decryption key for the terminal devices by the key server of the streaming media server if the verification is passed; and then step D110.
5. The streaming media service method for customizing the security level of information as claimed in claim 4, wherein the streaming media service end can also submit the application service end request for verification after receiving the member login information.
6. The streaming media service method for customizing the information security level according to claim 3 or 4, wherein the streaming media server counts the member login information and provides a statistical report to the application server.
7. A streaming service system for customizing an information security level, comprising:
a streaming media server, providing streaming media service, comprising:
the management module is used for establishing application server data for the application server; the application server side data contains information security level; the management module can compare the information security level of the application server;
a stream media module connected with the management module, cutting a film file or/and a real-time film into a plurality of packet data and carrying out encryption operation; and transmitting an access token to the application server;
a key server for storing the decryption key and providing the key address (URL) S ) Providing the data packet to a streaming media module to be added to the packet data;
the application server can upload movie files or/and real-time movies to the streaming media module to which the streaming media server belongs, and the application server comprises:
a secret keyA relay server for obtaining the decryption key from the key server of the streaming media server and relaying a secret key address (URL) A ) Providing the data packet to a streaming media module to be added to the packet data; and
and the plurality of terminal devices are linked with the application server, are provided with a player application program for decrypting and unsealing the packet data according to the decryption key and playing the film file or/and the real-time film.
8. The streaming media service system for customizing the information security level according to claim 7, wherein the key relay server is installed in the application server's own system.
9. The streaming media service system according to claim 7, wherein the streaming media module adds URL if the information security level is a level a after encrypting the packet data A If it is the B-level URL filling S And if the URL is in the C level, not annotating the URL.
10. The streaming service system for customizing the security level of information as claimed in claim 7, wherein the terminal devices are operated according to URL when the player application is executed A Requesting a decryption key from a key relay server according to the URL S A decryption key is required to be provided to the key server.
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