CN101267533B - Method, system and mobile terminal for playing program stream at different platform terminals - Google Patents
Method, system and mobile terminal for playing program stream at different platform terminals Download PDFInfo
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- CN101267533B CN101267533B CN200710064413A CN200710064413A CN101267533B CN 101267533 B CN101267533 B CN 101267533B CN 200710064413 A CN200710064413 A CN 200710064413A CN 200710064413 A CN200710064413 A CN 200710064413A CN 101267533 B CN101267533 B CN 101267533B
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Abstract
The invention relates to a method and a system for realizing playing a program stream at different platforms, and to a mobile terminal. In the method, labels for differentiating different service management platforms are set in a broadcast stream, so that each service management platform terminal selects decipherable program stream key information by a label, thus to realize playing the program stream at different service management platforms or mobile communication network terminals. The system comprises a program stream encrypting module, a program stream key module, a label setting module and a playing module; or comprises a program stream encrypting module, a label setting module, a program stream key module, a label sending module, a label massage packing module and a playing module; and realizes playing the program stream at different service management platforms or mobile communication network terminals. The mobile terminal comprises a broadcast massage receiving module, a label storing module, a key selecting module, a decrypting module and a playing module; and realizes playing television programs which covers multiple service management platforms terminals and is played in a broadcast network.
Description
Technical field
The present invention relates to a kind of method, system and portable terminal of realizing program stream in the different platform terminal plays, relate in particular to a kind of method, system and portable terminal of realizing program stream in different business management platform or different mobile communication network terminal plays.
Background technology
Along with developing rapidly of mobile communication technology, the mobile multi-media broadcasting service of multi-media broadcasting service and mobile communication technology has appearred merging, as mobile phone TV services.
At present, realize playing television program at mobile terminal only at radio network in conjunction with a Business Management Platform in a mobile communications network or the mobile communications network, detailed process is: radio network is at specific TV programme, produce corresponding program current cipher key by scrambler, with the TV programme of encrypting program stream keys correspondence, the program key stream message that will carry program current cipher key simultaneously sends to mobile communications network; Mobile communications network returns to radio network with encrypted program stream keys message, and business cipher key is sent to the user terminal of playing authority with the message in the business cipher key ciphered program stream secrete key message; Radio network is play program stream and the program key stream message through encrypting thereof after encrypting; Thereby user terminal, again with the deciphering of the program current cipher key after deciphering program stream is realized playing with the program current cipher key in the program key stream message in the business cipher key deciphering broadcasting stream.
The defective that prior art exists is, because the radio network combination is a Business Management Platform in a mobile communications network or the mobile communications network, therefore, the program current cipher key of a program stream correspondence, has only one through the program key stream message of encrypting, when radio network is play a program stream, play a program key stream message simultaneously; Business Management Platform in two or more mobile communications networks or mobile communications network combines with radio network, when releasing multi-media broadcasting service, the program key stream message that each mobile communications network or Business Management Platform use the program current cipher key of a program stream of business cipher key encryption separately to obtain is different, when radio network is play a program stream, just have a plurality of in company with the program key stream message of playing, after terminal receives a plurality of program key stream message of this program stream, can't learn which can decipher, thereby can't realize the broadcast of program stream.
Summary of the invention
Main purpose of the present invention is the defective at prior art, proposes a kind of method and system that realize program stream in the different platform terminal plays, makes the mobile communications network belong to different or the terminal of Business Management Platform can both play same TV programme.
Portable terminal another object of the present invention is to defective, also proposes a kind of portable terminal, so that can be play the TV programme of the radio network broadcast that covers a plurality of mobile communications network terminals or a plurality of Business Management Platform terminals at prior art.
For realizing above-mentioned main purpose, the invention provides a kind of method that realizes program stream in the different platform terminal plays, comprising:
Step 1, broadcast network side are play the program stream of encrypting and are carried the different ciphered program stream secrete key of described program stream, are used for distinguishing the message of sign of the different business management platform of mobile communications network;
The terminal of step 2, different business management platform is selected corresponding ciphered program stream secrete key according to described sign;
The ciphered program stream secrete key that the business cipher key deciphering that step 3, described terminal send with Business Management Platform under it is selected, and decipher described program stream with the program current cipher key after the deciphering and play;
The described multicast ip address that is designated the different business management platform, described message is the different IP bag that is packaged with different described multicast ip address, described different ciphered program stream secrete key is encrypted by different Business Management Platform and is generated, the program key stream message that Business Management Platform was encrypted the ciphered program stream secrete key that generates under this IP bag also was packaged with and carries.
In the technique scheme, the program current cipher key that the terminal of each Business Management Platform can be deciphered by the sign selection, thus realized the broadcast of same program stream on the terminal of different business management platform.When different Business Management Platform belongs to different mobile communications network, the sign of difference different business management platform is also distinguished different mobile communications networks simultaneously in the technique scheme, thereby has realized the broadcast of same program stream on the terminal of different mobile communication network.
For realizing above-mentioned main purpose, the present invention provides a kind of system that realizes program stream in the different platform terminal plays again, comprising: program stream encrypting module, sign configuration module, program current cipher key module, sign sending module, identification message package module, playing module and terminal; Wherein, the program stream encrypting module is arranged on broadcast network side, is used to generate program current cipher key, ciphered program stream; The sign configuration module is arranged on broadcast network side, is used to the different business management platform in the mobile communications network to distribute different signs; The program current cipher key module is arranged in the different business management platform in the mobile communications network, is used to encrypt the program current cipher key that described program stream encrypting module generates, and generates the program key stream message of carrying the ciphered program stream secrete key; The sign sending module is arranged in the different business management platform in the mobile communications network, is used for the sign that described sign configuration module distributes is sent to terminal; The identification message package module is arranged on broadcast network side, is used for the sign of described sign configuration module distribution and the program key stream message of corresponding described program current cipher key module generation are encapsulated as the message of carrying sign; Playing module is arranged on broadcast network side, is used to play the message of carrying sign of the program stream after described program stream encrypting module is encrypted, the encapsulation of described identification message package module; Terminal, select corresponding ciphered program stream secrete key according to the sign that Business Management Platform under it obtains, and the ciphered program stream secrete key of selecting with the business cipher key deciphering that the Business Management Platform under it sends, and decipher program stream with the program current cipher key after the deciphering and play; Wherein when described sign configuration module distribute be designated multicast ip address the time, the identification message package module uses the multicast ip address of distributing will be encapsulated as different IP bags from the program key stream message correspondence that the program current cipher key module obtains.
By the said system scheme, realized of the enforcement of same program stream in the method for different business management platform terminal plays, realized on the terminal of different business management platform, playing same program stream.
When different Business Management Platform belongs to different mobile communications network, just realized the broadcast of same program stream on the terminal of different mobile communication network in the said system technical scheme.
For realizing above-mentioned another purpose, the invention provides a kind of portable terminal, comprising: broadcast receiver module, sign memory module, key are selected module, deciphering module and playing module; Wherein, the broadcast receiver module is used for receiving the program stream of the encryption that radio network plays and carries the sign of the different business management platform that is used to distinguish mobile communications network and the message of different ciphered program stream secrete key; The sign of Business Management Platform under the sign memory module is used to store; Key selects module to be used for reading the sign of the message that described broadcast receiver module receives, from the message that described broadcast receiver module receives, select ciphered program stream secrete key corresponding to the sign consistent with the sign of described sign memory module storage; Deciphering module is used for selecting according to described key the ciphered program stream secrete key of module selection, deciphers the program stream of the encryption of described broadcast receiver module reception; Playing module is used to play the program stream of described deciphering module deciphering; The described multicast ip address that is designated the different business management platform, described message is the different IP bag that is packaged with different described multicast ip address, described different ciphered program stream secrete key is encrypted by different Business Management Platform and is generated, the program key stream message that Business Management Platform was encrypted the ciphered program stream secrete key that generates under this IP bag also was packaged with and carries.
By the selection of program current cipher key in the above-mentioned portable terminal technical scheme, the broadcast of deciphering and program stream has realized that mobile terminal playing covers the TV programme of the radio network broadcast of a plurality of Business Management Platform terminals.When different Business Management Platform belonged to different mobile communications network, above-mentioned portable terminal technical scheme had realized that mobile terminal playing covers the TV programme that the radio network of a plurality of mobile communications network terminals is play.
Below by drawings and Examples, technical scheme of the present invention is described in further detail.
Description of drawings
Fig. 1 is applied to the flow chart of the broadcasting stream of TS and IP other packaged types encapsulation in addition for the present invention realizes program stream in the method for different platform terminal plays;
Fig. 2 is applied to the flow chart of TS encapsulation for the present invention realizes program stream in the method for different platform terminal plays;
Fig. 3 is applied to the flow chart of IP encapsulation for the present invention realizes program stream in the method for different platform terminal plays;
Fig. 4 realizes the structural representation of program stream in system's one preferred embodiment of different platform terminal plays for the present invention;
Fig. 5 realizes the structural representation of program stream in another preferred embodiment of system of different platform terminal plays for the present invention;
Fig. 6 is the structural representation of portable terminal preferred embodiment of the present invention.
Embodiment
The packaged type of the broadcasting stream that radio network is play comprises packaged types such as transport stream (Transport Stream is hereinafter to be referred as TS) packaged type, IP packaged type.Be example as one a certain program such as weather forecast of central authorities now, the present invention is realized that program stream does detailed explanation in the method for different platform terminal plays to play a certain channel.
Fig. 1 realizes the flow chart of the broadcasting stream of other packaged types encapsulation of program stream beyond the method for different platform terminal plays is applied to TS and IP for the present invention, and in the present embodiment, terminal storage has the Business Management Platform sign.Specifically may further comprise the steps:
Step 11, network side are play the weather forecast of encrypting and are carried different ciphered program stream secrete keys and the different program streams key message of Business Management Platform sign, and detailed process is as follows;
The radio network of network side is encrypted weather predicting program stream by scrambler, and the program current cipher key (hereinafter to be referred as MTK) that scrambler will be encrypted use sends to Business Management Platform such as platform 1 (hereinafter to be referred as P1), platform 2 (hereinafter to be referred as P2), platform 3 (hereinafter to be referred as P3) by program key stream message (hereinafter to be referred as TM).
P1 is provided with the sign such as the B1 of this platform in carrying the TM of MTK, use the MTK among business cipher key 1 (hereinafter to be referred as MSK1) the encryption TM then, obtains P1 and encrypts the ciphered program stream secrete key (hereinafter to be referred as MTK1) that generates, and TM becomes the TM11 that carries MTK1 and B1; Perhaps earlier encrypt MTK among the TM with MSK1, obtain MTK1 after, in carrying the TM of MTK1, B1 is set, obtain TM11, then, the TM11 that carries MTK1 and B1 is sent to radio network, MSK1 is sent to the terminal that belongs to this platform.Similarly, P2 encrypts MTK with business cipher key 2 (hereinafter to be referred as MSK2), obtain MTK2, and the sign such as the B2 of this platform be set in the program key stream message of carrying MTK or MTK2, the program key stream message (hereinafter to be referred as TM12) that carries MTK2 and B2 is sent to radio network, MSK2 is sent to the terminal that belongs to this platform.P3 encrypts MTK with business cipher key 3 (hereinafter to be referred as MSK3), obtain MTK3, and the sign such as the B3 of this platform be set in the program key stream message of carrying MTK or MTK3, the program key stream message (hereinafter to be referred as TM13) that carries MTK3 and B3 is sent to radio network, MSK3 is sent to the terminal that belongs to this platform.
The weather predicting program stream that radio network broadcast scrambler is encrypted and TM11, TM12, TM13.
The terminal of step 12, different business management platform is selected corresponding ciphered program stream secrete key according to the sign of storage;
The sign B1 of Business Management Platform P1 under the terminal of P1 (hereinafter to be referred as UE1) stores, UE1 receives all TM11 corresponding with weather forecast, TM12, TM13 from broadcasting stream, read wherein sign B1, B2, B3, sign B1 comparison with storage, the TM11 of B1 is carried in selection, promptly obtains MTK1.Similarly, the terminal of P2 (hereinafter to be referred as UE2) stores B2, selects to carry the TM12 of B2, promptly obtains MTK2; The terminal of P3 (hereinafter to be referred as UE3) stores B3, selects to carry the TM13 of B3, promptly obtains MTK3.
The ciphered program stream secrete key that step 13, each Business Management Platform terminal are selected with the business cipher key deciphering, and decipher weather predicting program stream with the program current cipher key after the deciphering and play.
UE1 obtains MTK with the MSK1 deciphering MTK1 that P1 sends, and with MTK deciphering weather predicting program stream, just can play weather forecast again.Similarly, MSK2, MSK3 deciphering MTK2, MTK3 that UE2, UE3 send with P2, P3 respectively obtain MTK, again with MTK deciphering weather predicting program stream, can play weather forecast equally, the terminal that promptly belongs to the different business management platform has realized the broadcast of same program stream.
Fig. 2 is applied to the flow chart of TS encapsulation for the present invention realizes program stream in the method for different platform terminal plays, in the present embodiment, during user's TV reception of each Business Management Platform, at first obtain Business Management Platform sign or business guide (hereinafter to be referred as SG) to affiliated Business Management Platform by terminal, if that obtain is SG, then each Business Management Platform adds the sign that this platform is arranged in SG, suppose to have two Business Management Platform P1, P2, corresponding identification is B1, B2, specifically may further comprise the steps:
The radio network of network side is encrypted weather predicting program stream by scrambler, and scrambler will be encrypted the MTK that uses and send to P1, P2 by TM.
P1 obtains MTK1 with the MTK among the MSK1 encryption TM, and TM becomes the TM21 that carries MTK1; Then, the TM21 that carries MTK1 is sent to radio network, MSK1 is sent to the terminal that belongs to this platform.Similarly, P2 encrypts MTK with MSK2, obtains MTK2, and the TM22 that carries MTK2 is sent to radio network, MSK2 is sent to the terminal that belongs to this platform.
Radio network is provided with the Business Management Platform descriptor of statement B1, B2 and TM21, TM22 corresponding relation in the weather predicting program stream of encrypting, be encapsulated as TS stream together with TM21, TM22 and play.
The terminal of step 22, different business management platform is selected corresponding ciphered program stream secrete key according to the sign of obtaining from Business Management Platform separately; Detailed process is as follows:
UE1 reads the Business Management Platform descriptor from TS stream, and according to the B1 that obtains from P1, finds the program key stream message TM21 of B1 correspondence from the Business Management Platform descriptor, obtains MTK1; Similarly, UE2 finds the program key stream message TM22 of B2 correspondence according to the B2 that obtains from P2, obtains MTK2.
The ciphered program stream secrete key that step 23, each Business Management Platform terminal are selected with the business cipher key deciphering, and decipher weather predicting program stream with the program current cipher key after the deciphering and play.Detailed process is as follows:
UE1 obtains MTK with MSK1 deciphering MTK1, deciphers program stream with MTK, plays weather forecast; UE2 obtains MTK with MSK2 deciphering MTK2, deciphers program stream with MTK, plays weather forecast equally.Realized the broadcast of program stream in different business management platform terminal.
Fig. 3 is applied to the flow chart of IP encapsulation for the present invention realizes program stream in the method for different platform terminal plays, same hypothesis has two Business Management Platform P1, P2, in the present embodiment, radio network is in advance with P1, the sign of P2 is set to different multicast ip address (hereinafter to be referred as IP1, IP2), P1, during user's TV reception of P2, at first obtain Business Management Platform sign or business guide (hereinafter to be referred as SG) to affiliated Business Management Platform by terminal, if that obtain is SG, then each Business Management Platform adds sign such as the IP1 that this platform is arranged in SG, IP2.Specifically may further comprise the steps:
The radio network of network side is encrypted weather predicting program stream by scrambler, and scrambler will be encrypted the MTK that uses and send to P1, P2 by TM.
P1 obtains MTK1 with the MTK among the MSK1 encryption TM, and TM becomes the TM21 that carries MTK1; Then, the TM21 that carries MTK1 is sent to radio network, MSK1 is sent to the terminal that belongs to this platform.Similarly, P2 encrypts MTK with MSK2, obtains MTK2, and the TM22 that carries MTK2 is sent to radio network, MSK2 is sent to the terminal that belongs to this platform.
Radio network uses IP1 that TM21 is encapsulated as IP bag (hereinafter to be referred as IPb1), uses IP2 that IP2 is encapsulated as IP bag (hereinafter to be referred as IPb2) with TM22, and plays to the user together in company with the weather predicting program stream of encrypting.
The terminal of step 32, different business management platform is selected corresponding ciphered program stream secrete key according to the multicast ip address of obtaining from Business Management Platform separately; Detailed process is as follows:
UE1 receives corresponding IP bag IPb1 according to the IP1 that obtains from P1 from broadcasting stream, read the program key stream message TM21 among the IPb1, obtains MTK1; Similarly, UE2 receives corresponding IP bag IPb2 according to the IP2 that obtains from P2, reads program key stream message TM22, obtains MTK2.
The ciphered program stream secrete key that step 33, each Business Management Platform terminal are selected with the business cipher key deciphering, and decipher weather predicting program stream with the program current cipher key after the deciphering and play.Detailed process is as follows:
UE1 obtains MTK with MSK1 deciphering MTK1, deciphers program stream with MTK, plays weather forecast; UE2 obtains MTK with MSK2 deciphering MTK2, deciphers program stream with MTK, plays weather forecast equally.Realized the broadcast of program stream in different business management platform terminal.
When each Business Management Platform in the various embodiments described above belongs to different mobile communication network, the sign of difference different business management platform is also distinguished different mobile communications networks simultaneously, this moment, the terminal of different business management platform just belonged to different mobile communication network, thereby had realized the broadcast of same program stream on the terminal of different mobile communication network.
Fig. 4, Fig. 5 realize two embodiments of program stream in different platform terminal plays system for the present invention, and wherein, G is a radio network, P1 ..., Pn is different Business Management Platform.
Fig. 4 realizes the structural representation of program stream in system's one preferred embodiment of different platform terminal plays for the present invention, system in the present embodiment is applicable to the broadcasting stream with the encapsulation of the packaged type beyond TS and the IP, and this system comprises that program stream encrypting module S11, program current cipher key module S12, sign are provided with module S13 and playing module S14; Wherein, program stream encrypting module S11 can be scrambler, generates program current cipher key, ciphered program stream; Program current cipher key module S12 is arranged in the different Business Management Platform, and the program current cipher key that ciphered program stream encryption module S11 generates generates the ciphered program stream secrete key; Sign is provided with module S13 and is arranged in the different Business Management Platform, the sign of Business Management Platform under being provided with in the message of the program current cipher key that carries program stream encrypting module S11 generation; Program stream after playing module S14 broadcast program stream encryption module S11 encrypts and carry the message that ciphered program stream secrete key that program current cipher key module S12 generates and described sign are provided with the sign of module S13 setting promptly is provided with the program key stream message of sign.
Fig. 5 realizes the structural representation of program stream in another preferred embodiment of system of different platform terminal plays for the present invention, and the system in the present embodiment is applicable to the broadcasting stream with TS packaged type or the encapsulation of IP packaged type.This system comprises program stream encrypting module S21, sign configuration module S22, program current cipher key module S23, sign sending module S24, identification message package module S25 and playing module S26; Wherein, program stream encrypting module S21 can be scrambler, generates program current cipher key, ciphered program stream; Sign configuration module S22 is that different Business Management Platform distributes different signs; The program current cipher key module is arranged in the different Business Management Platform, and the program current cipher key that ciphered program stream encryption module S21 generates generates the ciphered program stream secrete key; Sign sending module S24 is arranged in the different Business Management Platform, and the sign that sign configuration module S22 is distributed sends to terminal; Identification message package module S25 is arranged on broadcast network side, the sign of sign configuration module S22 distribution and the program key stream message of corresponding program current cipher key module S23 generation are encapsulated as the message of carrying sign respectively, as, when sign configuration module S22 distribute be designated multicast ip address the time, identification message package module S25 uses the multicast ip address of distributing will be encapsulated as different IP bags from the program key stream message correspondence that program current cipher key module S23 obtains; Perhaps the corresponding relation between the program key stream message of identification message package module S25 sign that described sign configuration module S22 is distributed and corresponding program current cipher key module S23 generation is encapsulated as the Business Management Platform descriptor message; The message of carrying sign of the program stream after playing module S26 broadcast program stream encryption module S21 encrypts, identification message package module S25 encapsulation or the described message of carrying the message of sign and carrying the ciphered program stream secrete key of described program current cipher key module S23 generation.When the message of carrying sign of identification message package module S25 encapsulation is different IP bag, plays different IP and wrap; When the message of carrying sign of identification message package module S25 encapsulation is the Business Management Platform descriptor message, the program stream that playing module S26 play to encrypt simultaneously, play service management platform descriptor message and carry the message of the ciphered program stream secrete key that program current cipher key module S23 generates.
By the system of above-mentioned two embodiment, the terminal of different business management platform can access the ciphered program stream secrete key that can decipher by the sign in the program key stream message, thereby can realize the broadcast of program stream.Equally, when different Business Management Platform belongs to different mobile communications network, also just realized the broadcast of same program stream on the terminal of different mobile communication network.
Fig. 6 is the structural representation of portable terminal preferred embodiment of the present invention, and portable terminal comprises broadcast receiver module ME1, sign memory module ME2, key selection module ME3, deciphering module ME4 and playing module ME5; Wherein, broadcast receiver module ME1 receives the program stream that radio network is play, and carry the message of sign, ciphered program stream secrete key, for example: as be provided with the different program streams key message of sign, be sign and the different IP bag that carries the different program streams key message, statement sign and the Business Management Platform descriptor message of program key stream message corresponding relation and different program key stream message with the multicast ip address; The sign of Business Management Platform under the sign memory module ME2 storage; Key selects module ME3 to read sign in the message that broadcast receiver module ME1 receives, therefrom selects to identify consistent ciphered program stream secrete key message according to the sign of sign memory module ME2 storage, obtains the program current cipher key that can decipher; The ciphered program stream secrete key that deciphering module ME4 selects module ME3 to select according to key, the program stream that decrypt broadcast messages receiver module ME1 receives; Playing module ME5 plays the program stream of deciphering module ME4 deciphering.
When broadcasting stream encapsulates with TS or IP packaged type, sign sends to terminal by Business Management Platform, therefore, the sign memory module can further be connected with identifier acquisition module, identifier acquisition module is obtained sign from affiliated Business Management Platform, the sign that sign memory module storaging mark acquisition module obtains.
In above-mentioned portable terminal embodiment, the selection of program current cipher key, the broadcast of deciphering and program stream has realized that mobile terminal playing covers the TV programme of the radio network broadcast of a plurality of Business Management Platform terminals.When different Business Management Platform belonged to different mobile communications network, above-mentioned portable terminal technical scheme had realized that mobile terminal playing covers the TV programme that the radio network of a plurality of mobile communications network terminals is play.
It should be noted last that, above embodiment is only unrestricted in order to technical scheme of the present invention to be described, although the present invention is had been described in detail with reference to preferred embodiment, those of ordinary skill in the art is to be understood that, can make amendment or be equal to replacement technical scheme of the present invention, and not break away from the spirit and scope of technical solution of the present invention.
Claims (6)
1. a method that realizes program stream in the different platform terminal plays is characterized in that, comprising:
Step 1, broadcast network side are play the program stream of encrypting and are carried the different ciphered program stream secrete key of described program stream, are used for distinguishing the message of sign of the different business management platform of mobile communications network;
The terminal of step 2, different business management platform is selected corresponding ciphered program stream secrete key according to described sign;
The ciphered program stream secrete key that the business cipher key deciphering that step 3, described terminal send with Business Management Platform under it is selected, and decipher described program stream with the program current cipher key after the deciphering and play;
The described multicast ip address that is designated the different business management platform, described message is the different IP bag that is packaged with different described multicast ip address, described different ciphered program stream secrete key is encrypted by different Business Management Platform and is generated, the program key stream message that Business Management Platform was encrypted the ciphered program stream secrete key that generates under this IP bag also was packaged with and carries.
2. method according to claim 1 is characterized in that, in the described step 1, described different ciphered program stream secrete key obtains encrypted the program current cipher key of described program stream with business cipher key separately by different Business Management Platform after.
3. method according to claim 1, it is characterized in that, in the described step 2, select corresponding ciphered program stream secrete key to be specially: the multicast ip address of Business Management Platform under described terminal is obtained from the Business Management Platform under it, and receive the described IP bag corresponding with this multicast ip address, obtain corresponding ciphered program stream secrete key.
4. a system that realizes program stream in the different platform terminal plays is characterized in that, comprising:
The program stream encrypting module is arranged on broadcast network side, is used to generate program current cipher key, ciphered program stream;
The sign configuration module is arranged on broadcast network side, is used to the different business management platform in the mobile communications network to distribute different signs;
The program current cipher key module is arranged in the different business management platform in the mobile communications network, is used to encrypt the program current cipher key that described program stream encrypting module generates, and generates the program key stream message of carrying the ciphered program stream secrete key;
The sign sending module is arranged in the different business management platform in the mobile communications network, is used for the sign that described sign configuration module distributes is sent to terminal;
The identification message package module is arranged on broadcast network side, is used for the sign of described sign configuration module distribution and the program key stream message of corresponding described program current cipher key module generation are encapsulated as the message of carrying sign; Playing module is arranged on broadcast network side, is used to play the message of carrying sign of the program stream after described program stream encrypting module is encrypted, the encapsulation of described identification message package module;
Terminal, select corresponding ciphered program stream secrete key according to the sign that Business Management Platform under it obtains, and the ciphered program stream secrete key of selecting with the business cipher key deciphering that the Business Management Platform under it sends, and decipher program stream with the program current cipher key after the deciphering and play;
Wherein when described sign configuration module distribute be designated multicast ip address the time, the identification message package module uses the multicast ip address of distributing will be encapsulated as different IP bags from the program key stream message correspondence that the program current cipher key module obtains.
5. a portable terminal is characterized in that, comprising:
The broadcast receiver module is used for receiving the program stream of the encryption that radio network plays and carries the sign of the different business management platform that is used to distinguish mobile communications network and the message of different ciphered program stream secrete key;
The sign memory module, the sign of Business Management Platform under being used to store;
Key is selected module, be used for reading the sign of the message that described broadcast receiver module receives, from the message that described broadcast receiver module receives, select ciphered program stream secrete key corresponding to the sign consistent with the sign of described sign memory module storage;
Deciphering module is used for the ciphered program stream secrete key according to the selection of described key selection module, deciphers the program stream of the encryption of described broadcast receiver module reception;
Playing module is used to play the program stream of described deciphering module deciphering;
The described multicast ip address that is designated the different business management platform, described message is the different IP bag that is packaged with different described multicast ip address, described different ciphered program stream secrete key is encrypted by different Business Management Platform and is generated, the program key stream message that Business Management Platform was encrypted the ciphered program stream secrete key that generates under this IP bag also was packaged with and carries.
6. portable terminal according to claim 5 is characterized in that, described sign memory module further is connected with identifier acquisition module, and described identifier acquisition module is used for obtaining sign from affiliated Business Management Platform.
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| CN101860406B (en) * | 2010-04-09 | 2014-05-21 | 北京创毅视讯科技有限公司 | Central processor and mobile multimedia broadcasting device, system and method |
| CN110213669B (en) * | 2019-05-18 | 2021-03-23 | 杭州当虹科技股份有限公司 | Video content anti-theft system and method based on TS (transport stream) slices |
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| CN101009553A (en) * | 2006-12-30 | 2007-08-01 | 中兴通讯股份有限公司 | Secret key safety method and system for realizing multi-network integration mobile multi-media broadcasting system |
-
2007
- 2007-03-14 CN CN200710064413A patent/CN101267533B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6259791B1 (en) * | 1998-02-26 | 2001-07-10 | Motorola, Inc. | Method and apparatus in a wireless messaging system for controlling a hierarchical provision of service |
| CN1672416A (en) * | 2002-07-24 | 2005-09-21 | 纳格拉卡德股份有限公司 | Process for point-to-point secured transmission of data and electronic module for implementing the process |
| CN1852418A (en) * | 2006-04-27 | 2006-10-25 | 中国移动通信集团公司 | Mobile television television broadcasting control system and broadcasting network and method |
| CN101009553A (en) * | 2006-12-30 | 2007-08-01 | 中兴通讯股份有限公司 | Secret key safety method and system for realizing multi-network integration mobile multi-media broadcasting system |
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| CN101267533A (en) | 2008-09-17 |
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