CN101765107A - Method, system and device as well as terminal for implementation of multimedia information service - Google Patents
Method, system and device as well as terminal for implementation of multimedia information service Download PDFInfo
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- CN101765107A CN101765107A CN200810187332A CN200810187332A CN101765107A CN 101765107 A CN101765107 A CN 101765107A CN 200810187332 A CN200810187332 A CN 200810187332A CN 200810187332 A CN200810187332 A CN 200810187332A CN 101765107 A CN101765107 A CN 101765107A
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Abstract
The invention discloses a method, a system and a device as well as a terminal for the implementation of multimedia information service, wherein the method comprises the steps: a mobile data broadcasting service platform transmits to the terminal a service key corresponding to terminal-ordered multimedia information service; and the mobile data broadcasting service platform sends service key-encrypted multimedia information of the multimedia information service to the terminal through a broadcast channel. By using the method, complex flow requirement and flow rate restriction of wireless communication network bearing on the multimedia information service can be avoided on the premise of quite small input cost, thereby remarkably simplifying the service implementation flow of the entire multimedia information and enriching the multimedia message experience of subscribers fundamentally.
Description
Technical field
The present invention relates to the communications field, and especially, relate to a kind of implementation method, system and device and terminal of Multimedia Messaging Service.
Background technology
Multimedia Messaging Service (Multimedia Message Service abbreviates MMS as) (being also referred to as MMS) is a kind of business that is extensively adopted by people at present.
By using Multimedia Messaging Service, transmit various types of information between user's the terminal or between terminal and the network side, for example, picture, text, audio files, animation file etc.Therefore, only can transmit text message than short message service, Multimedia Messaging Service is can the information transmitted type very abundant, for daily life facilitates, and favorable user experience is arranged.
At present, in the implementation procedure of Multimedia Messaging Service, need relate to a large amount of interacting messages, need to comprise following processing in simple terms: in network-caching multimedia message to be sent, the recipient is verified and authentication, notifies the recipient to obtain multimedia message, recipient also to need multimedia message that finally gets access to by interacting message buffer memory etc.Owing to realize that the interacting message that need carry out when multimedia message sends and receives is too much, a large amount of Internet resources can be taken, and under the busy situation of network, bigger delay can be produced, influenced user experience.
In addition, the cordless communication network that is used for the bearing multimedia information service at present is very responsive for the flow of information.At this characteristic, when realizing Multimedia Messaging Service, can carry out very strict restriction to the size of the multimedia messages of transmission usually.This restriction directly causes the user can not carry out big transmission of Information, and for example, the user is when sending picture by Multimedia Messaging Service, need handle picture, reduce the memory space that picture takies, also reduced the quality of picture simultaneously, cause the user can not watch high-quality picture.
At interacting message amount process complexity, receive delay height, the limited problem of data transmitted traffic in the above-mentioned Multimedia Messaging Service implementation procedure, effective solution is not proposed as yet at present.
Summary of the invention
Consider in the correlation technique interacting message amount process complexity in the Multimedia Messaging Service implementation procedure, receive delay height, the limited problem of data transmitted traffic and make the present invention, for this reason, main purpose of the present invention is to provide a kind of implementation method, system and device and terminal of Multimedia Messaging Service, to address the above problem.
A kind of implementation method of Multimedia Messaging Service is provided according to an aspect of the present invention.
Implementation method according to Multimedia Messaging Service of the present invention comprises: the pairing business cipher key of Multimedia Messaging Service that mobile data broadcasting service platform is ordered to the terminal transmission terminal; Mobile data broadcasting service platform sends the multimedia messages after business cipher key is encrypted of Multimedia Messaging Service to terminal by broadcast channel.
Wherein, mobile data broadcasting service platform can comprise one of following to the processing of terminal transmission business cipher key: mobile data broadcasting service platform initiatively is pushed to terminal with business cipher key by duplex channel; Mobile data broadcasting service platform sends to terminal with business cipher key by duplex channel in response to the request of terminal to acquire service cipher key.
In addition, mobile data broadcasting service platform can comprise to the processing of terminal transmission business cipher key: mobile data broadcasting service platform encapsulates business cipher key waiting for transmission according to multimedia internet key agreement, and the business cipher key after pairing service identification of Multimedia Messaging Service and the encapsulation is sent to terminal in the lump.
Before terminal sent multimedia messages, this method can further comprise in mobile data broadcasting service platform:
The predetermined content key of mobile data broadcasting service platform utilization is encrypted the content-data of the multimedia messages before encrypting, utilize business cipher key that content key is encrypted, and utilize the user key of terminal that business cipher key is encrypted, and the content key behind the broadcast enciphering.
Wherein, after mobile data broadcasting service platform had sent multimedia messages, this method can further comprise: the terminal receiving multimedia information, and utilize user key that multimedia messages is decrypted, obtain the multimedia messages that business cipher key is encrypted; Terminal is used to be decrypted from the multimedia messages that the business cipher key of mobile data broadcasting service platform is encrypted business cipher key, obtains the content-data of the multimedia messages of content key encryption; The content key that the terminal utilization receives by broadcast channel is decrypted the content-data of the multimedia messages of content key encryption, obtains the content-data of multimedia messages.
A kind of implementation method of Multimedia Messaging Service is provided according to a further aspect in the invention.
Implementation method according to Multimedia Messaging Service of the present invention comprises: transmit leg transmits the pairing business cipher key of Multimedia Messaging Service that the recipient orders by duplex channel to the recipient; Transmit leg sends the multimedia messages after business cipher key is encrypted of Multimedia Messaging Service to the recipient by broadcast channel.
A kind of realization system of Multimedia Messaging Service is provided according to a further aspect in the invention.
Realization system according to Multimedia Messaging Service of the present invention comprises transmit leg and recipient, wherein, transmit leg is used for transmitting the pairing business cipher key of Multimedia Messaging Service that the recipient orders by broadcast channel to the recipient, and sends the multimedia messages after business cipher key is encrypted of Multimedia Messaging Service to the recipient by broadcast channel; The recipient is used for receiving multimedia information and business cipher key, and utilizes the business cipher key that receives that multimedia messages is decrypted, and obtains the content-data of multimedia messages.
According to a further aspect in the invention, provide a kind of implement device of Multimedia Messaging Service, this device can be arranged at the transmit leg of multimedia messages.
Implement device according to Multimedia Messaging Service of the present invention comprises: first sending module is used for transmitting the pairing business cipher key of Multimedia Messaging Service that the recipient orders to the recipient; Encrypting module is used to utilize business cipher key that the multimedia messages of Multimedia Messaging Service is encrypted; Second sending module is used for sending via the multimedia messages after the encrypting module encryption to the recipient.
Wherein, first sending module may further include: package module is used for according to multimedia internet key agreement business cipher key waiting for transmission being encapsulated.
In addition, this device may further include: the request receiver module is used to receive the request of obtaining business cipher key from the recipient, and under the situation of the request of receiving, notifies first sending module to send business cipher key to the recipient.
In addition, encrypting module may further include: first encrypts submodule, is used to utilize content key that the content-data of the multimedia messages before encrypting is encrypted; Second encrypts submodule, is used to utilize business cipher key that content key is encrypted;
The 3rd encrypts submodule, is used to utilize recipient's user key that business cipher key is encrypted.
In accordance with a further aspect of the present invention, provide a kind of terminal, be used to receive and resolve the multimedia messages that sends by broadcast channel by transmit leg.
Terminal according to the present invention comprises: first receiver module is used to receive the multimedia messages through encrypting that transmit leg sends via broadcast channel; Second receiver module is used to receive the business cipher key that transmit leg sends encrypts multimedia messages; Deciphering module is used for being decrypted through the multimedia messages of encrypting.
Wherein, deciphering module may further include: first deciphering module, and be used to utilize the user key of terminal that the multimedia messages that receives is decrypted, obtain the multimedia messages that business cipher key is encrypted; Second deciphering module, the multimedia messages that the business cipher key that is used to utilize second receiver module to receive is encrypted business cipher key is decrypted the content-data of the multimedia messages of the content key encryption that obtains being scheduled to; The 3rd deciphering module is used to utilize predetermined content key that the content-data of the multimedia messages of content key encryption is decrypted, and obtains the content-data of multimedia messages.
In addition, this terminal may further include: request sending module is used for sending request to obtain business cipher key to transmit leg; Display module is used to show the multimedia messages that is obtained by the deciphering module deciphering.
By technique scheme of the present invention, carry out the transmitting-receiving of multimedia messages by utilizing broadcast channel and existing data broadcasting agreement, under the prerequisite that drops into very little cost, just can avoid the cordless communication network carrying that the complicated flow process of Multimedia Messaging Service is required and flow restriction, simplified the business realizing flow process of whole multimedia information greatly, fundamentally enriched the experience of user MMS.
Description of drawings
Accompanying drawing described herein is used to provide further understanding of the present invention, constitutes the application's a part, and illustrative examples of the present invention and explanation thereof are used to explain the present invention, do not constitute improper qualification of the present invention.In the accompanying drawings:
Fig. 1 is the flow chart according to the implementation method of the Multimedia Messaging Service of the inventive method embodiment;
Fig. 2 is the flow chart according to the processing example of the implementation method of the Multimedia Messaging Service of the inventive method embodiment;
Fig. 3 is the flow chart according to the detailed process process of the implementation method of the Multimedia Messaging Service of the inventive method embodiment;
Fig. 4 is the block diagram of realization system of the Multimedia Messaging Service of system according to the invention embodiment;
Fig. 5 is the block diagram according to the implement device of the Multimedia Messaging Service of apparatus of the present invention embodiment one;
Fig. 6 is the block diagram of encrypting module in the device shown in Figure 5;
Fig. 7 is the block diagram according to the terminal of apparatus of the present invention embodiment two;
Fig. 8 is the block diagram of deciphering module in the terminal shown in Figure 7.
Embodiment
In recent years, digital mobile multimedia broadcasting technology and standard evolution speed are very fast.The digital mobile MBMS service is multimedia a kind of new mode of propagation, and the development of this technology has worldwide received a lot of concerns, and its operation prospect has also attracted the invested in plant development of a large amount of industrial chain upstream and downstream enterprise.
For example, the digital video broadcast-handheld formula that proposes in Europe receives (Digital VideoBroadcast Handheld, abbreviate DVB-H as), the single forward link of medium (the Media Forward Link Only that the U.S. proposes, abbreviate Media FLO as), and China Mobile multimedia broadcasting (China Mobile Multimedia Broadcasting, be called for short CMMB) etc. in the technology, all adopted the Mobile Multimedia Broadcasting service, and utilize the One-to-All Broadcast mode to provide multiple service content for the terminal use, for example, provide advertisement to the user, weather forecast, news, sports cast, variety, the multimedia broadcasting play, programs such as film, the user can be according to the service content of hobby selective reception Mobile Multimedia Broadcasting of oneself.
In China mobile multi-media broadcasting technology, data broadcasting is one of them main business, this business can encapsulate data services with multiplexing according to specific protocol at the broadcasting service platform, and being issued to the terminal equipment that possesses the data broadcasting receiving ability by broadcast channel, terminal equipment is resolved through just can be with the content revealing after the parsing to the user after encapsulation and the multiplexing data.
In the middle of data broadcasting, above-mentioned data services mainly is divided into stream and two kinds of patterns of file, and based on this, the broadcasting service platform can carry out protocol encapsulation to concrete data content respectively by two kinds of patterns.For this reason, terminal need be equipped with the functional module that corresponding broadcast data content receives and resolves, so that watch business tine.
Because data broadcasting supports to flow the data with two kinds of patterns of file simultaneously, so theoretically, data broadcasting has been contained all data service kinds, specifically can comprise miscellaneous medium type such as text, picture, audio frequency, video etc., thereby provide broad class of business and enriching experiences for the mobile data broadcasting user.
As can be seen, in the data China mobile multi-media broadcasting technology, not only Chuan Shu medium type is abundant, and does not have the flow restriction for the transmission data.
Functional overview
Consider the characteristic of data China mobile multi-media broadcasting technology, the present invention is by means of existing Radio Broadcasting Agreements and the common function that multimedia messages is resolved that generally has of terminal, realized the transmitting-receiving of multimedia messages by broadcast channel, avoid the cordless communication network carrying to the information flow quantitative limitation and to the complicated requirement of operation flow, effectively simplified the flow process of multimedia messages transmitting-receiving.Describe embodiments of the present invention in detail below in conjunction with accompanying drawing.
Under the situation of not conflicting, embodiment and the feature among the embodiment among the application can make up mutually.
Method embodiment
A kind of implementation method of Multimedia Messaging Service is provided in the present embodiment.
Fig. 1 is the flow chart according to the implementation method of the Multimedia Messaging Service of the embodiment of the invention, need to prove, for convenience of description, in Fig. 1, illustrated and described the technical scheme of method embodiment of the present invention, can in computer system, carry out such as a set of computer-executable instructions in the step shown in Fig. 1 with the form of step.Though figure 1 illustrates logical order, in some cases, can carry out step shown or that describe with the order that is different from herein.As shown in Figure 1, this method may further comprise the steps (step S102 is to step S104).
As shown in Figure 1, the implementation method according to the Multimedia Messaging Service of present embodiment comprises step S102 and step S104.
In step S102, transmit leg transmits the pairing business cipher key of Multimedia Messaging Service that the recipient orders by duplex channel to the recipient;
In step S104, transmit leg sends the multimedia messages after business cipher key is encrypted of Multimedia Messaging Service to the recipient by broadcast channel.
Wherein, above-mentioned transmit leg can be have carry out the Multimedia Message sending function by broadcast channel network element (for example, can be broadcast data server, mobile data broadcasting service platform etc.), the recipient is terminal or a network element of having ordered Multimedia Messaging Service.
In actual applications, can be with mobile data broadcasting service platform as transmit leg, with user's terminal as the recipient, at this moment, according to the implementation procedure of Multimedia Messaging Service of the present invention as shown in Figure 2, specifically can comprise following processing (step S202 is to step S204).
Step S202, the pairing business cipher key of the Multimedia Messaging Service that mobile data broadcasting service platform is ordered to the terminal transmission terminal (for example, mobile phone newspaper, e-magazine etc.);
Step S204, mobile data broadcasting service platform sends the multimedia messages after business cipher key is encrypted of Multimedia Messaging Service to terminal by broadcast channel.
In specific implementation process, terminal needs at first ordering services, mobile data broadcasting service platform can serve as according to taking corresponding bottom data encapsulation strategy with ordering of business just like this, particularly, can adopt Multimedia Message number one interface (MM1 interface) the protocol encapsulation media content data (unit) of clear and definite standard in the present agreement, the subsidiary simultaneously Multimedia Messaging Service sign of ordering is so that terminal can be carried out professional identification and parsing fast.
And, mobile data broadcasting service platform can initiatively be pushed to terminal with business cipher key by duplex channel, also can by duplex channel business cipher key be sent to terminal in response to the request of obtaining business cipher key that terminal sends, wherein, terminal can be initiated request by predetermined interactive channel.
In addition, in mobile data broadcasting service platform during to the terminal transmission business cipher key, can encapsulate business cipher key waiting for transmission according to multimedia internet key (Multimedia Internet KEYing abbreviates MIKEY as) agreement, and with the pairing service identification of Multimedia Messaging Service with the encapsulation after business cipher key send to terminal in the lump, avoid the plaintext transmission of key, improve the fail safe of key.Wherein, business cipher key can be issued to terminal by the interactive channel under broadcast channel or the wireless network environment.
And, before terminal sends multimedia messages, adopt 4 layers of safety protecting mechanism of CMMB security module definition to generate and encapsulation MMS key in mobile data broadcasting service platform, concrete ciphering process is as follows:
Mobile data broadcasting service platform can utilize predetermined content key that the content-data of the multimedia messages before encrypting is encrypted, utilize business cipher key that content key is encrypted, and utilize the user key (this key is preset in end side and mobile data broadcasting service platform side respectively) of terminal that business cipher key is encrypted, and by the content key of broadcast channel broadcasts through encrypting.
Alternatively, the multimedia messages that is sent by mobile data broadcasting service platform in step S204 can be generated by mobile data broadcasting service platform, also can (ServiceProvider/Content Provider, SP/CP) interface receives from the external world by the service provider/content supplier on it by mobile data broadcasting service platform.
Afterwards, after mobile data broadcasting service platform had sent multimedia messages, terminal can receive this multimedia messages, and the multimedia messages parsing module that calls on it carries out following decryption processing:
Utilize user key that multimedia messages is decrypted, obtain the multimedia messages that business cipher key is encrypted; Terminal is used to be decrypted from the multimedia messages that the business cipher key of mobile data broadcasting service platform is encrypted business cipher key, obtains the content-data of the multimedia messages of content key encryption; Afterwards, by utilizing user key and business cipher key to being decrypted of receiving by broadcast channel through encrypted content key, just can access content key, thereby can the content-data of the multimedia messages of content key encryption be decrypted, obtain the content-data of multimedia messages.
In addition, the multimedia messages interface protocol of mentioning hereinbefore, be MM1, be multimedia messaging service, MMS (Multimedia Message Service, abbreviate MMS as) Multimedia Message center (Multimedia Message Center in the engine, abbreviate MMSC as) and portable terminal between interface protocol, at third generation partner program (3rd GenerationPartnership Project, abbreviate 3GPP as) in definition is arranged clearly, realization of the present invention mainly needs standard MMS HEAD (being the message header of Multimedia Messaging Service).Particularly, the message header of Multimedia Messaging Service and MMS BODY are (promptly, the message body of Multimedia Messaging Service) message content body at the data cell form of transport layer by Open Mobile Alliance (Open Mobile Alliance, abbreviate OMA as) carry out standard and definition, just adopted this interface protocol in the MMS engine under the wireless communication network environments.
In the middle of practical application, be mainly concerned with mobile multimedia data broadcast service platform (that is, above-mentioned mobile data broadcasting service platform), radio network and portable terminal (comprising all kinds of cards that are used in the terminal) according to the realization of Multimedia Messaging Service of the present invention.Fig. 3 shows the detailed process process that realizes Multimedia Messaging Service according to the implementation method of the Multimedia Messaging Service of present embodiment by the Mobile Multimedia Broadcasting service of mobile communications network, as shown in Figure 3, concrete implementation procedure may further comprise the steps (step 301 is to step 305).
Step 301, terminal are initiated the order flow process of broadcasting MMS to mobile data broadcasting service platform;
Step 302, terminal are received the business cipher key (can be the Ring Back Tone service key) of the Multimedia Messaging Service that platform issues;
Step 303, mobile data broadcasting service platform is at the content-data of bottom according to MM1 interface protocol encapsulation multimedia messages; Preferably, when carrying out data encapsulation, can in the last layer agreement, attach broadcasting MMS sign, so that terminal is carried out traffic identification apace;
After terminal receives business datum, need judge whether it is broadcast multimedia information, belong to the broadcasting MMS if identify the business datum of reception, then execution in step 305; Otherwise execution in step 304;
Step 304, terminal abandon data and to the report of mobile data broadcasting service platform feedback error, handle so that mobile data broadcasting service platform is carried out accordingly according to reporting of terminal, and carry out corresponding charging policy in view of the above, thus maintenance customer's interests; In the middle of practical application, also can omit the process of feedback error report according to the negotiation between platform operation merchant and the user, terminal will directly abandon data this moment, wait for that secondary data is replayed down;
Step 305, terminal are called multimedia message analytical capabilities module data are resolved, and the content-data of resolving is represented to the user.
Like this, by the present invention, mobile data broadcasting service platform (or broadcast data server etc. is as entity of transmit leg) just can be with the content-data (unit) of MM1 protocol encapsulation multimedia messages, can use the multimedia message analytical capabilities module that is provided with on it that multimedia messages is received and resolves as recipient's middle terminal, and need not so newly-increased terminal parses function.
And, MMS than the carrying of current wireless communication network, will can not there be the restriction of data traffic and size in content providers and platform one side, issue ability and needs that content size only depends on the terminal use, fundamentally enrich the experience of user to MMS.In addition, (or broadcast data server etc. is as entity of transmit leg) is directly by the unidirectional transmitting multimedia information content of broadcast channel because mobile data broadcasting service platform, the business realizing flow process of whole multimedia information has also obtained great simplification, and the configuration that only needs to carry out data broadcasting service platform, multiplexer, reflector can realize the transmitting-receiving of multimedia messages.
System embodiment
A kind of realization system of Multimedia Messaging Service is provided in the present embodiment.
As shown in Figure 4, the realization system according to the Multimedia Messaging Service of present embodiment comprises transmit leg 1 and recipient 2.
In system shown in Figure 4, transmit leg 1 is used for transmitting the pairing business cipher key of Multimedia Messaging Service that recipient 2 orders by broadcast channel to the recipient, and sends the multimedia messages after business cipher key is encrypted of Multimedia Messaging Service to recipient 2 by broadcast channel;
Wherein, above-mentioned transmit leg 1 can be to have the network element that carries out the Multimedia Message sending function by broadcast channel, and recipient 2 is terminal or network elements of having ordered Multimedia Messaging Service.In actual applications, can be with mobile data broadcasting service platform as transmit leg, with user's terminal as the recipient.
And transmit leg can initiatively push business cipher key to the recipient by duplex channel, also can send business cipher key by duplex channel to the recipient in response to recipient's request.
Transmit leg can adopt 4 layers of safety protecting mechanism of CMMB security module definition to generate and encapsulation MMS key, and the business cipher key that generates is encapsulated.And can utilize user key, content key and business cipher key that multimedia messages is encrypted.
Correspondingly, the recipient then can utilize user key, content key (by transmit leg or network side third party broadcast encryption in advance) and business cipher key that the multimedia messages through encrypting that receives is carried out peeling off from level to level, obtain content-data, and show the user.
By said system, can avoid the cordless communication network carrying that the complicated flow process of Multimedia Messaging Service is required and flow restriction by means of the characteristic of broadcast channel, realize the big volume transport of multimedia messages with easy flow process.
Transmit leg and recipient's concrete configuration will be described in more detail below.
Device embodiment one
In the present embodiment, provide a kind of implement device of Multimedia Messaging Service, this device can be arranged at the transmit leg of multimedia messages, particularly, can be arranged at mobile data broadcasting service platform.
As shown in Figure 5, the implement device according to the Multimedia Messaging Service of present embodiment can comprise: first sending module 52, encrypting module 54, second sending module 56 and request receiver module 58.
First sending module 52 is used for transmitting the pairing business cipher key of Multimedia Messaging Service that the recipient orders to the recipient; Encrypting module 54 is connected to first sending module 52, is used to utilize business cipher key that the multimedia messages of Multimedia Messaging Service is encrypted; Second sending module 56 is connected to encrypting module 54, is used for sending via the multimedia messages after the encrypting module encryption to the recipient; Request receiver module 58 is connected to first sending module 52, is used to receive the request of obtaining business cipher key from the recipient, and under the situation of the request of receiving, notifies first sending module 52 to send business cipher key to the recipient.
As shown in Figure 5, above-mentioned first sending module 52 may further include: package module 522, be used for business cipher key waiting for transmission being encapsulated according to multimedia internet key agreement, and avoid the plaintext transmission of key.
When encrypting, can adopt 4 layers of safety protecting mechanism of CMMB security module definition to generate and encapsulation MMS key.As shown in Figure 6, above-mentioned encrypting module 54 may further include: first encrypts submodule 542, is used to utilize content key that the content-data of the multimedia messages before encrypting is encrypted; Second encrypts submodule 544, is connected to first and encrypts submodule 542, is used to utilize business cipher key that content key is encrypted; The 3rd encrypts submodule 546, is connected to second and encrypts submodule 544, is used to utilize recipient's user key that business cipher key is encrypted.Can broadcast the content key of encrypting through user key and business cipher key according to the implement device of the Multimedia Messaging Service of present embodiment, like this, after having obtained business cipher key through the recipient who authorizes, the content after can decrypted content keys encrypting
Implement device by means of the Multimedia Messaging Service of present embodiment, can carry out the encryption of multimedia messages, not by the multimedia messages of encrypting being sent to the recipient via broadcast channel under the situation of rate flow, and the recipient is deciphered the required business cipher key of multimedia messages be notified to the recipient, thereby realize the transmission and the reception of multimedia messages.
Device embodiment two
In the present embodiment, provide a kind of terminal, can be used as the recipient of multimedia messages, received and resolved the multimedia messages that sends by broadcast channel by transmit leg (can be above the implement device of described Multimedia Messaging Service).
As shown in Figure 7, the terminal according to present embodiment comprises: first receiver module 72, second receiver module 74, deciphering module 76, request sending module 78 and display module 80.To describe the function of each module below in detail.
First receiver module 72 is used to receive the multimedia messages through encrypt of transmit leg via the broadcast channel transmission, and can receive the content key of process user key and business cipher key encryption by broadcast channel; Second receiver module 74 is used to receive the business cipher key that transmit leg sends encrypts multimedia messages; Deciphering module 76 (can be the multimedia message parsing module that is provided with on the terminal) is connected to first receiver module 72 and second receiver module 74, is used for being decrypted through the multimedia messages of encrypting; Request sending module 78 is used for sending request to obtain business cipher key to transmit leg; Display module 80 is connected to deciphering module 76, is used to show the multimedia messages that is obtained by the deciphering module deciphering.
As shown in Figure 8, the deciphering module 76 among Fig. 7 may further include: first deciphering module 762, and be used to utilize the user key of terminal that the multimedia messages that receives is decrypted, obtain the multimedia messages that business cipher key is encrypted; Second deciphering module 764 is connected to first deciphering module 762, and the multimedia messages that the business cipher key that is used to utilize second receiver module to receive is encrypted business cipher key is decrypted, and obtains the content-data of the multimedia messages of content key encryption; The 3rd deciphering module 766 is connected to second deciphering module 764, is used to utilize predetermined content key that the content-data of the multimedia messages of content key encryption is decrypted, and obtains the content-data of multimedia messages.
This terminal can receive the reception and the parsing of the multimedia messages that the implement device of Multimedia Messaging Service shown in Figure 5 sends, and watches jumbo multimedia messages content, can effectively promote user experience.
In addition, the transmitting-receiving for the implement device that guarantees above-mentioned Multimedia Messaging Service and terminal can realize multimedia messages needs standard MMS HEAD (being the message header of Multimedia Messaging Service).Particularly, the message header of Multimedia Messaging Service and MMS BODY are (promptly, the message body of Multimedia Messaging Service) message content body carries out standard and definition at the data cell form of transport layer by Open Mobile Alliance (Open Mobile Alliance abbreviates OMA as).In the middle of practical application, can the structure of protocol stack be shown in the table 1 to the implement device and the terminal configuration protocol stack of Multimedia Messaging Service:
Table 1
| Broadcast data tunneling (containing the MMS sign) |
| ??SMIL |
| ??MM?HEAD |
| ??MM?BODY |
Wherein, comprise the related protocol of broadcast data tunneling (containing the Multimedia Messaging Service sign), SMIL, multimedia messages head (MM HEAD), the related protocol of multimedia messages body (MM BODY) in the protocol stack.Wherein, by means of the broadcast data tunneling, transmit leg can carry out the encapsulation of multimedia messages to be broadcast, and the recipient then can discern, resolve the multimedia messages that receives; Then include associated description language how to show multimedia messages among the SMIL.
In sum, by means of technical scheme of the present invention, carry out the transmitting-receiving of multimedia messages by utilizing broadcast channel and existing data broadcasting agreement, can avoid the cordless communication network carrying that the complicated flow process of Multimedia Messaging Service is required and flow restriction, simplified the business realizing flow process of whole multimedia information greatly, fundamentally enriched the experience of user MMS; And realization of the present invention only needs to carry out a small amount of configuration of dispensing device (for example, above-mentioned data broadcasting service platform), multiplexer, reflector, and also need not increases analytical capabilities to terminal, therefore realizes that cost is very low.
The above is the preferred embodiments of the present invention only, is not limited to the present invention, and for a person skilled in the art, the present invention can have various changes and variation.Within the spirit and principles in the present invention all, any modification of being done, be equal to replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (15)
1. the implementation method of a Multimedia Messaging Service is characterized in that, described method comprises:
The pairing business cipher key of Multimedia Messaging Service that mobile data broadcasting service platform is ordered to the described terminal of terminal transmission;
Described mobile data broadcasting service platform sends the multimedia messages after described business cipher key is encrypted of described Multimedia Messaging Service to described terminal by broadcast channel.
2. method according to claim 1 is characterized in that, described mobile data broadcasting service platform comprises one of following to the processing of the described business cipher key of described terminal transmission:
Described mobile data broadcasting service platform initiatively is pushed to described terminal with described business cipher key by duplex channel;
Described mobile data broadcasting service platform is obtained described business cipher key in response to described terminal request sends to described terminal with described business cipher key by described duplex channel.
3. method according to claim 1 is characterized in that, described mobile data broadcasting service platform comprises to the processing of the described business cipher key of described terminal transmission:
Described mobile data broadcasting service platform encapsulates described business cipher key waiting for transmission according to multimedia internet key agreement, and the described business cipher key after pairing service identification of described Multimedia Messaging Service and the encapsulation is sent to described terminal in the lump.
4. method according to claim 1 is characterized in that, before described terminal sent described multimedia messages, described method further comprised in described mobile data broadcasting service platform:
The predetermined content key of described mobile data broadcasting service platform utilization is encrypted the content-data of the described multimedia messages before encrypting, utilize described business cipher key that described content key is encrypted, and utilize the user key of described terminal that described business cipher key is encrypted, and the described content key behind the broadcast enciphering.
5. method according to claim 4 is characterized in that, after described mobile data broadcasting service platform had sent described multimedia messages, described method further comprised:
Described terminal receives described multimedia messages, utilizes described user key that described multimedia messages is decrypted, and obtains the multimedia messages that described business cipher key is encrypted;
Described terminal is used to be decrypted from the multimedia messages that the described business cipher key of described mobile data broadcasting service platform is encrypted described business cipher key, obtains the content-data of the described multimedia messages of described content key encryption;
The described content key that described terminal utilization receives by described broadcast channel is decrypted the content-data of the multimedia messages of described content key encryption, obtains the content-data of described multimedia messages.
6. the implementation method of a Multimedia Messaging Service is characterized in that, described method comprises:
Transmit leg transmits the pairing business cipher key of Multimedia Messaging Service that described recipient orders by duplex channel to the recipient;
Described transmit leg sends the multimedia messages after described business cipher key is encrypted of described Multimedia Messaging Service to described recipient by broadcast channel.
7. the realization system of a Multimedia Messaging Service is characterized in that, described system comprises transmit leg and recipient, wherein,
Described transmit leg is used for transmitting the pairing business cipher key of Multimedia Messaging Service that described recipient orders by broadcast channel to the recipient, and sends the multimedia messages after described business cipher key is encrypted of described Multimedia Messaging Service to described recipient by broadcast channel;
Described recipient is used to receive described multimedia messages and described business cipher key, and utilizes the described business cipher key that receives that described multimedia messages is decrypted, and obtains the content-data of described multimedia messages.
8. the implement device of a Multimedia Messaging Service is characterized in that, is arranged at the transmit leg of multimedia messages, and described device comprises:
First sending module is used for transmitting the pairing business cipher key of Multimedia Messaging Service that described recipient orders to the recipient;
Encrypting module is used to utilize described business cipher key that the multimedia messages of described Multimedia Messaging Service is encrypted;
Second sending module is used for sending via the described multimedia messages after the described encrypting module encryption to described recipient.
9. device according to claim 8 is characterized in that, described first sending module further comprises:
Package module is used for according to multimedia internet key agreement described business cipher key waiting for transmission being encapsulated.
10. device according to claim 8 is characterized in that, further comprises:
The request receiver module is used to receive the request of obtaining described business cipher key from described recipient, and is receiving under the situation of described request, notifies described first sending module to send described business cipher key to described recipient.
11. device according to claim 8 is characterized in that, described encrypting module further comprises:
First encrypts submodule, is used to utilize content key that the content-data of the described multimedia messages before encrypting is encrypted;
Second encrypts submodule, is used to utilize described business cipher key that described content key is encrypted;
The 3rd encrypts submodule, is used to utilize described recipient's user key that described business cipher key is encrypted.
12. a terminal is used to receive and resolve by the multimedia messages of transmit leg by the broadcast channel transmission, it is characterized in that described terminal comprises:
First receiver module is used to receive the described multimedia messages through encrypting that described transmit leg sends via described broadcast channel;
Second receiver module is used to receive the business cipher key that described transmit leg sends encrypts described multimedia messages;
Deciphering module is used for being decrypted through the described multimedia messages of encrypting.
13. terminal according to claim 12 is characterized in that, described deciphering module further comprises:
First deciphering module is used to utilize the user key of described terminal that the described multimedia messages that receives is decrypted, and obtains the multimedia messages that described business cipher key is encrypted;
Second deciphering module, the multimedia messages that the described business cipher key that is used to utilize described second receiver module to receive is encrypted described business cipher key is decrypted the content-data of the described multimedia messages of the content key encryption that obtains being scheduled to;
The 3rd deciphering module is used to utilize described predetermined content key that the content-data of the multimedia messages of described content key encryption is decrypted, and obtains the content-data of described multimedia messages.
14. terminal according to claim 12 is characterized in that, further comprises:
Request sending module is used for sending request to obtain described business cipher key to described transmit leg.
15. terminal according to claim 12 is characterized in that, further comprises:
Display module is used to show the described multimedia messages that is obtained by described deciphering module deciphering.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200810187332A CN101765107A (en) | 2008-12-26 | 2008-12-26 | Method, system and device as well as terminal for implementation of multimedia information service |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200810187332A CN101765107A (en) | 2008-12-26 | 2008-12-26 | Method, system and device as well as terminal for implementation of multimedia information service |
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| Publication Number | Publication Date |
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| CN101765107A true CN101765107A (en) | 2010-06-30 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN200810187332A Pending CN101765107A (en) | 2008-12-26 | 2008-12-26 | Method, system and device as well as terminal for implementation of multimedia information service |
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Application publication date: 20100630 |