CN101778352A - Realization method and system of technology for protecting multimedia message contents - Google Patents
Realization method and system of technology for protecting multimedia message contents Download PDFInfo
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- CN101778352A CN101778352A CN200910265582A CN200910265582A CN101778352A CN 101778352 A CN101778352 A CN 101778352A CN 200910265582 A CN200910265582 A CN 200910265582A CN 200910265582 A CN200910265582 A CN 200910265582A CN 101778352 A CN101778352 A CN 101778352A
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- multimedia message
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L51/00—User-to-user messaging in packet-switching networks, transmitted according to store-and-forward or real-time protocols, e.g. e-mail
- H04L51/07—User-to-user messaging in packet-switching networks, transmitted according to store-and-forward or real-time protocols, e.g. e-mail characterised by the inclusion of specific contents
- H04L51/10—Multimedia information
Abstract
The invention discloses a realization method and a system of a technology for protecting multimedia message contents, and the realization method comprises the following steps: setting content protection information for limiting operation species of a receiver by a sender before sending a multimedia message, and filling the content protection information in the multimedia message data field and storing; sending the multimedia message with the content protection information by the sender; analyzing the multimedia data field and reading out the content protection information after receiving the multimedia message with the content protection information sent by the sender; and limiting the receiver to perform corresponding operation on the multimedia message according to the limited operation species described in the content protection information. The method and the system in the invention enables the receiver to perform operations such as storing, editing, forwarding and the like on the multimedia message and contents thereof only according to the wish of the sender, thus meeting the requirements of controlling and protecting the multimedia message and contents thereof sent by the user and enabling the multimedia service to provide better service for phone terminal users.
Description
Technical field
The present invention relates to the mobile communication data business technical field,, make transmit leg better to control the content of sending out multimedia message and to protect according to the wish of oneself especially to the guard method and the system of the content in the multimedia message.
Background technology
Along with the develop rapidly of mobile communication technology, multimedia message has become the important service function that mobile data services user and operator more and more pay close attention to.
Multimedia message (MMS), promptly Multimedia Messaging Service means MMS (Multimedia Message Service).The characteristic of its maximum is supported multimedia function exactly, can comprehensive content of propagation function and information, these information comprise multimedia messagess such as image information, audio-frequency information, video information, data and text, can support voice, multiple high-speed data service function such as the Internet, Email.It is to transmit video segment, picture, sound and literal with WAP (wireless application protocol) (WAP, Wireless Application Protocol) for carrier.It and note just are that in the difference of the maximum on the function it except the most basic Word message, also includes colourful content of multimedia.MMS can realize that mobile phone is end-to-end, mobile phone terminal to the Internet or the Internet transmit to the multimedia messages of mobile phone terminal.
Along with multimedia message begins to show, increased functionality is to more and more high each stage development of frequency of utilization, the user has also had further requirement to the function and the fail safe of multimedia message, and more existing technology and method can't satisfy growing demand of user and expectation gradually.In the fail safe of MMS content with to aspect its control and the protection; there is such problem; in case i.e. transmit leg user or service provider (SP; ServiceProvider) send multimedia message after; the control of multimedia message has just dropped on recipient's one end; sequence of operations such as the recipient can preserve it, edits, forwarding, thus make the content that transmit leg sent can not get controlling effectively and protecting.For the solution of this problem, ubiquity is also widely used at present is digital copyright management (DRM, Digital Rights Management) technology---a kind of content digital publishing rights encipherment protection technology.
The operation principle of DRM technology is at first to set up the digital program authorization center.Digital program content after the encoding compression; can utilize key (Key) to carry out encipherment protection (Lock); the digital program head of encrypting is being deposited the URL(uniform resource locator) (URL, Uniform Resource Locator) of key preface sign indicating number (KeyID) and program authorization center.The programme content here promptly is meant multimedia messagess such as picture, audio frequency, video in multimedia message.The user needs KeyID and URL information according to its head when attempting to play these content of multimedia, obtain the association key deciphering of sending after checking is authorized (Unlock) to the digital program authorization center, and content of multimedia can be play.The content of multimedia that needs protection is encrypted, even preserved by user's download, the checking mandate that does not obtain the digital program authorization center also can't be play, thereby has protected the copyright of content of multimedia closely.
But this encryption technology that originates in copyright protection be more service in mobile operator, content of multimedia maker and seller, and fully can't oneself control for users and use.The multimedia message that need send oneself as certain user and content thereof are protected and when controlling, the function in the existing multimedia message is just incompetent unable.
Summary of the invention
Technical problem to be solved by this invention provides a kind of technology implementation method and system that protects MMS content; make the recipient can only according to the wish of transmit leg to this multimedia message and content thereof preserve, edit, operation such as forwarding; thereby satisfy the multimedia message that the user sends oneself and the control and the protection demand of content thereof, remedy the deficiency in the present function of multimedia message.
In order to solve the problems of the technologies described above, the invention provides a kind of technology implementation method of protecting MMS content, comprising:
Transmit leg sends before the multimedia message, is provided for limiting the content protection information of recipient's operation species, and described content protection information is filled in into multimedia message data field and storage;
Transmit leg sends the multimedia message that has content protection information;
The recipient resolves described multimedia message data field after receiving the multimedia message that has content protection information that transmit leg sends, and reads described content protection information; According to the corresponding operating of the described restriction operation species restriction of described content protection information recipient to this multimedia message.
Preferably, described content protection information comprises:
MMS content is made as a whole restriction operation species after the recipient receives; Or to the restriction operation species of each element content after the recipient receives.
Preferably, the included restriction operation species of described content protection information comprises:
Unrestrictedly, can not edit, can not transmit, limit hop count, in can not preserving one or more.
Preferably, described according to the corresponding operating of the described restriction operation species restriction of described content protection information recipient to this multimedia message, comprising:
When described restriction operation species when being unrestricted, to the recipient to this multimedia message or wherein the operation of element content do not limit; When described restriction operation species for can not edit the time, do not allow the recipient to edit this multimedia message or element content wherein; When described restriction operation species for can not transmit the time, only allow the recipient to check this multimedia message or element content wherein; When described restriction operation species for can not preserve the time, the recipient is only to check once this multimedia message or element content wherein, this multimedia message or element content wherein are promptly deleted after checking.
Preferably, described method also comprises:
When the recipient transmits the multimedia message contain content protection information, the content protection information of described multimedia message is together transmitted.
In order to solve the problems of the technologies described above, the present invention also provides a kind of technology of MMS content of protecting to realize system, comprising:
The unit is set, is arranged at transmit leg, be used to be provided with the content protection information of restriction recipient operation species;
Memory cell is arranged at transmit leg, is used for described content protection information is filled in into multimedia message data field and storage;
Resolution unit is arranged at the recipient, is used to resolve the included content protection information of multimedia message data field that receives;
Restriction realizes the unit, is arranged at the recipient, is used for the corresponding operating to this multimedia message according to the described restriction operation species restriction of described content protection information recipient.
Preferably,
The described unit that is provided with is further used for being provided with content protection information for MMS content is made as a whole restriction operation species after the recipient receives; Or be to the restriction operation species of each element content after the recipient receives.
Preferably,
The described unit that is provided with is further used for described restriction operation species is set and is: unrestricted, can not edit, can not transmit, limit hop count, in can not preserving one or more.
Preferably,
Described restriction realizes the unit, be further used for when described restriction operation species for unrestricted, to the recipient to this multimedia message or wherein the operation of element content do not limit; When described restriction operation species for editing, do not allow the recipient to edit this multimedia message or element content wherein; When described restriction operation species for transmitting, only allow the recipient to check this multimedia message or element content wherein; When described restriction operation species for preserving, to check once this multimedia message or element content wherein, this multimedia message or element content wherein are promptly deleted after checking only.
Preferably, described system also comprises:
Retransmission unit is used for the recipient and transmits the multimedia message that contains content protection information, and the content protection information of described multimedia message is together transmitted.
The invention provides a kind of technology implementation method and system that protects MMS content; adopt the method for the invention and system; can make MMS content obtain bigger protection; make the recipient can only according to the wish of transmit leg to this multimedia message and content thereof preserve, edit, operation such as forwarding; thereby satisfy the multimedia message that the user sends oneself and the control and the protection demand of content thereof; remedy the deficiency in the present function of multimedia message, make MMS can better service in the mobile phone terminal user.
Description of drawings
Accompanying drawing is used to provide further understanding of the present invention, and constitutes the part of specification, is used from explanation the present invention with specific embodiments of the invention one, is not construed as limiting the invention.
In the accompanying drawings:
Fig. 1 is the technology implementation method flow chart that the present invention protects MMS content;
Fig. 2 is that the technology of protection MMS content of the present invention realizes the entire system frame diagram;
Fig. 3 is the technology implementation method first pass figure of the MMS content of protection described in the application example of the present invention, is used to describe the method flow of realization whole piece multimedia message as the content protecting object;
Fig. 4 is technology implementation method second flow chart of the MMS content of protection described in the application example of the present invention, is used for describing the method flow of a certain picture element of realization multimedia message as the content protecting object.
Embodiment
Be described in further detail below in conjunction with the preferred embodiment of accompanying drawing technical scheme.Should be appreciated that preferred embodiment described herein only is used for description and interpretation the present invention, and be not used in qualification the present invention.
With reference to shown in Figure 1, the invention provides a kind of technology implementation method of protecting MMS content.The method mainly may further comprise the steps:
Step 11: transmit leg sends before the multimedia message, is provided for limiting the content protection information of recipient's operation species, and described content protection information is filled in into multimedia message data field and storage;
Step 12: transmit leg sends the multimedia message that has content protection information;
Step 13: the recipient resolves described multimedia message data field after receiving the multimedia message that has content protection information that transmit leg sends, and reads described content protection information; According to the corresponding operating of the described restriction operation species restriction of described content protection information recipient to this multimedia message.And restriction recipient's operation, the specific implementation method can adopt UI (User Interface, user interface) Interface Control, shielding Edit menu or ejection prompting frame in the time of for example can not editing.Certainly, can adopt other method, the present invention is not limited this yet.
Described content protection information comprises MMS content is made as a whole restriction operation species after the recipient receives; Or, limit such as the operation species that after the recipient receives, can carry out each element contents such as text that this multimedia message comprised, picture, audio frequency, video, annexes to the restriction operation species of each element content after the recipient receives; Content protection information described herein is stored in the existing field or new field of multimedia message protocol data cell (PDU, Protocol Data Unit).
The included restriction operation species of described content protection information comprises:
Unrestrictedly, can not edit, can not transmit, limit hop count, in can not preserving one or more.Certainly, described restriction operation species also can comprise other content, and the present invention is not limited this.
In a preferred embodiment of the invention, according to the corresponding operating of the described restriction operation species restriction of described content protection information recipient, comprising described in the step 103 this multimedia message:
When the included restriction operation species of described content protection information when being unrestricted, to receiving terminal to this multimedia message or wherein the operation of element content do not limit;
Perhaps,
When the included restriction operation species of described content protection information for can not edit the time, do not allow the recipient to edit this multimedia message or certain text element content wherein, only to check or directly to transmit;
Perhaps,
When the included restriction operation species of described content protection information for can not transmit the time, do not allow the recipient to edit or transmit this multimedia message or certain element content wherein, only to check;
Perhaps,
When the included restriction operation species of described content protection information for can not preserve the time, do not allow the recipient to preserve, edit or transmit this multimedia message or certain element content wherein, to check once, the back content is promptly deleted closing only for the recipient.
Further, the technology implementation method of described protection MMS content comprises that also this content protection function is unlocked or closes, and its unlatching or close right and can be determined by manufacturer also can be determined by distributors, perhaps at mobile phone middle decision is set by the terminal use.
Further, wherein can not transmit the restriction kind, can expand to the restriction hop count, when number of times reduces to 0, can not be forwarded again.
In a preferred embodiment of the invention, when user's forwarding contained the multimedia message of content protection information, content protection information was wherein also together transmitted with it.Like this, just can realize better that the MMS content that transmit leg is sent protects.
The technology that shows according to protection MMS content of the present invention of Fig. 2 summary realizes the entire system frame diagram.
Protection MMS content technology of the present invention realizes that system in its entirety is divided into two parts, promptly sends part and receiving unit.
The sending part branch is arranged at transmit leg, comprises that one is provided with unit 101 and a memory cell 102.Unit 101 is set, is used to be provided with the content protection information of restriction recipient operation species; Memory cell 102 is used for described content protection information is filled in into multimedia message data field and storage, fills in and stores such as extending this as the middle respective field content of multimedia message protocol data cell (PDU).
Receiving unit is arranged at the recipient, comprises that a resolution unit 103 and a restriction realize unit 104.Resolution unit 103 is used to resolve the included content protection information of multimedia message data field that receives; Restriction realizes unit 104, is used for the corresponding operating to this multimedia message according to the described restriction operation species restriction of described content protection information recipient.
In a preferred embodiment of the invention, the described unit 101 that is provided with is further used for being provided with content protection information for MMS content is made as a whole restriction operation species after the recipient receives; Or be to the restriction operation species of each element content after the recipient receives.
In a preferred embodiment of the invention, the described unit 101 that is provided with is further used for described restriction operation species is set and is: unrestricted, can not edit, can not transmit, limit hop count, in can not preserving one or more.
In a preferred embodiment of the invention, described restriction realizes unit 104, be further used for when described restriction operation species for unrestricted, to the recipient to this multimedia message or wherein the operation of element content do not limit; When described restriction operation species for editing, do not allow the recipient to edit this multimedia message or element content wherein; When described restriction operation species for transmitting, only allow the recipient to check this multimedia message or element content wherein; When described restriction operation species for preserving, to check once this multimedia message or element content wherein, this multimedia message or element content wherein are promptly deleted after checking only.
In a preferred embodiment of the invention, described system also comprises:
Retransmission unit is used for the recipient and transmits the multimedia message that contains content protection information, and the content protection information of described multimedia message is together transmitted.
Be described in further detail below by the realization of the example in Fig. 3, two concrete application the shown in Figure 4 method of the present invention.
Fig. 3 is a flow chart of the technology implementation method of protection MMS content of the present invention, is used to describe the method flow of realization whole piece multimedia message as the content protecting object:
Step 201: the user is according to the normal mode editing multimedia message.
Step 202: whether content protecting is carried out in multimedia message described in the step 201 by the user intention decision.Protection then continues step 203 if desired, if do not need protection, then execution in step 205, handle according to common multimedia message.
Step 203: the user is provided with in that the content protection information of unit to this multimedia message is set.The user can this type be set to unrestrictedly, can not edit, can not transmit maybe and can not preserve.
Step 204: after user's edit operation is finished, enter multimedia message packing flow process, write user's MMS content protection information in the respective field in the multimedia message protocol data cell (PDU) this moment.According to the structure of present multimedia message protocol data cell (PDU), can utilize the X-Mms-Message-Class field (field) in the existing multimedia message header herein.For example, the multimedia message protection type for editing can be changed to Protection-Edit with this field.
Step 205: after user's editing multimedia message is finished, send this multimedia message.
So far, the idiographic flow that sends part is finished.
Step 206: the recipient receives multimedia message.
Step 207: before the recipient handles this multimedia message, at first judge wherein whether comprise MMS content protection information, promptly read the X-Mms-Message-Class field in the multimedia message head.If content protection information, then execution in step 208, otherwise handle execution in step 210 by common multimedia message.
Step 208: resolve the content protection information in the multimedia message.If obtain the X-Mms-Message-Class field value is Protection-Edit, and then Protection-Edit meaning according to a preconcerted arrangement passes to application with the operation that needs protection.
Step 209:, user's operation is limited accordingly according to the content protection information that is resolved to.The user can only play, check, transmits this multimedia message and can not carry out edit operation to it in this example.
Step 210:, handle according to normal flow for not having content protection information or content protection information to be set to unconfined multimedia message.
Fig. 4 is another flow chart of the technology implementation method of protection MMS content of the present invention, is used for describing realization with the method flow of multimedia message one width of cloth picture as the content protecting object:
Step 301: the user is according to the normal mode editing multimedia message.
Step 302: the user adds a width of cloth picture in multimedia message.
Step 303: whether the picture in the multimedia message described in the step 302 is carried out content protecting by the user intention decision.Protection then continues step 304 if desired, if do not need protection, then execution in step 306, handle according to common MMS content.
Step 304: the content protection information that the user is provided with this width of cloth picture in the picture attribute is provided with.The user can this type be set to unrestrictedly, can not edit, can not transmit maybe and can not preserve.
Step 305: after user's edit operation is finished, enter multimedia message packing flow process, write user's MMS content protection information in the respective field in the multimedia message protocol data cell (PDU) this moment.According to the structure of present multimedia message protocol data cell (PDU), can utilize the Content-Type field (field) of the image data in the existing multimedia message information herein, after its file type, add content protection information.For example, the gif picture protection type for transmitting can be changed to image/gif+forward with this field.
Step 306: after user's editing multimedia message is finished, send this multimedia message.
So far, the idiographic flow that sends part is finished.
Step 307: the recipient receives multimedia message.
Step 308: after the recipient receives this multimedia message, judge wherein whether content protection information of each file, promptly read file type field (Content-Type).If content protection information, then execution in step 309, otherwise handle execution in step 311 by common multimedia message accessory.
Step 309: resolve the content protection information in the multimedia message.Be image/gif+forward if obtain the file type (Content-Type) of certain picture file, then image/gif+forward meaning according to a preconcerted arrangement passes to application with the operation that needs protection.
Step 310:, user's operation is limited accordingly according to the content protection information that is resolved to.The user can only play, check this width of cloth picture in the multimedia message and can not transmit operation to it in this example.
Step 311:, handle according to normal flow for not having content protection information or content protection information to be set to unconfined MMS content.
Preferably, sending terminal described in the present embodiment is mobile phone terminal.Yet, those skilled in the art will appreciate that described terminal also can be other devices that can be used for writing and submitting to multimedia message except being the mobile phone terminal.
The above only is a preferred specific embodiment of the present invention, 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, variation etc., all should be included within protection scope of the present invention.
Claims (10)
1. a technology implementation method of protecting MMS content is characterized in that, comprising:
Transmit leg sends before the multimedia message, is provided for limiting the content protection information of recipient's operation species, and described content protection information is filled in into multimedia message data field and storage;
Transmit leg sends the multimedia message that has content protection information;
The recipient resolves described multimedia message data field after receiving the multimedia message that has content protection information that transmit leg sends, and reads described content protection information; According to the corresponding operating of the described restriction operation species restriction of described content protection information recipient to this multimedia message.
2. the method for claim 1 is characterized in that, described content protection information comprises:
MMS content is made as a whole restriction operation species after the recipient receives; Or to the restriction operation species of each element content after the recipient receives.
3. method as claimed in claim 1 or 2 is characterized in that, the included restriction operation species of described content protection information comprises:
Unrestrictedly, can not edit, can not transmit, limit hop count, in can not preserving one or more.
4. method as claimed in claim 3 is characterized in that, and is described according to the corresponding operating of the described restriction operation species restriction of described content protection information recipient to this multimedia message, comprising:
When described restriction operation species when being unrestricted, to the recipient to this multimedia message or wherein the operation of element content do not limit; When described restriction operation species for can not edit the time, do not allow the recipient to edit this multimedia message or element content wherein; When described restriction operation species for can not transmit the time, only allow the recipient to check this multimedia message or element content wherein; When described restriction operation species for can not preserve the time, the recipient is only to check once this multimedia message or element content wherein, this multimedia message or element content wherein are promptly deleted after checking.
5. the method for claim 1 is characterized in that, also comprises:
When the recipient transmits the multimedia message contain content protection information, the content protection information of described multimedia message is together transmitted.
6. protect the technology of MMS content to realize system for one kind, it is characterized in that, comprising:
The unit is set, is arranged at transmit leg, be used to be provided with the content protection information of restriction recipient operation species;
Memory cell is arranged at transmit leg, is used for described content protection information is filled in into multimedia message data field and storage;
Resolution unit is arranged at the recipient, is used to resolve the included content protection information of multimedia message data field that receives;
Restriction realizes the unit, is arranged at the recipient, is used for the corresponding operating to this multimedia message according to the described restriction operation species restriction of described content protection information recipient.
7. system as claimed in claim 6 is characterized in that,
The described unit that is provided with is further used for being provided with content protection information for MMS content is made as a whole restriction operation species after the recipient receives; Or be to the restriction operation species of each element content after the recipient receives.
8. as claim 6 or 7 described systems, it is characterized in that,
The described unit that is provided with is further used for described restriction operation species is set and is: unrestricted, can not edit, can not transmit, limit hop count, in can not preserving one or more.
9. system as claimed in claim 8 is characterized in that,
Described restriction realizes the unit, be further used for when described restriction operation species for unrestricted, to the recipient to this multimedia message or wherein the operation of element content do not limit; When described restriction operation species for editing, do not allow the recipient to edit this multimedia message or element content wherein; When described restriction operation species for transmitting, only allow the recipient to check this multimedia message or element content wherein; When described restriction operation species for preserving, to check once this multimedia message or element content wherein, this multimedia message or element content wherein are promptly deleted after checking only.
10. system as claimed in claim 6 is characterized in that, also comprises:
Retransmission unit is used for the recipient and transmits the multimedia message that contains content protection information, and the content protection information of described multimedia message is together transmitted.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200910265582A CN101778352A (en) | 2009-12-25 | 2009-12-25 | Realization method and system of technology for protecting multimedia message contents |
| PCT/CN2010/072082 WO2010148750A1 (en) | 2009-12-25 | 2010-04-22 | Method and system for protecting multimedia message content |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN200910265582A CN101778352A (en) | 2009-12-25 | 2009-12-25 | Realization method and system of technology for protecting multimedia message contents |
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| CN101778352A true CN101778352A (en) | 2010-07-14 |
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| CN200910265582A Pending CN101778352A (en) | 2009-12-25 | 2009-12-25 | Realization method and system of technology for protecting multimedia message contents |
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| WO (1) | WO2010148750A1 (en) |
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| WO2014000549A1 (en) * | 2012-06-27 | 2014-01-03 | 中兴通讯股份有限公司 | Short message forwarding control method and system |
| CN103731803A (en) * | 2012-10-16 | 2014-04-16 | 华为终端有限公司 | Method for protecting short message contents and short message center |
| CN104156673A (en) * | 2014-08-06 | 2014-11-19 | 深圳市中兴移动通信有限公司 | File processing method and device |
| CN105828303A (en) * | 2015-01-07 | 2016-08-03 | 宇龙计算机通信科技(深圳)有限公司 | Method and device for deleting message on terminal |
| WO2022194167A1 (en) * | 2021-03-18 | 2022-09-22 | 华为技术有限公司 | File sharing method and device |
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| WO2012155464A1 (en) * | 2011-08-30 | 2012-11-22 | 中兴通讯股份有限公司 | A terminal for protecting short message, system and method thereof |
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| CN105828303A (en) * | 2015-01-07 | 2016-08-03 | 宇龙计算机通信科技(深圳)有限公司 | Method and device for deleting message on terminal |
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| Publication number | Publication date |
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| WO2010148750A1 (en) | 2010-12-29 |
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Application publication date: 20100714 |