CN102123301A - Subscriber authorization transmission and reception method and device for digital television internet protocol (IP) broadcast service - Google Patents
Subscriber authorization transmission and reception method and device for digital television internet protocol (IP) broadcast service Download PDFInfo
- Publication number
- CN102123301A CN102123301A CN 201110037266 CN201110037266A CN102123301A CN 102123301 A CN102123301 A CN 102123301A CN 201110037266 CN201110037266 CN 201110037266 CN 201110037266 A CN201110037266 A CN 201110037266A CN 102123301 A CN102123301 A CN 102123301A
- Authority
- CN
- China
- Prior art keywords
- broadcast service
- packet
- mandate
- data
- address
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Images
Landscapes
- Data Exchanges In Wide-Area Networks (AREA)
Abstract
The invention belongs to the field of digital televisions and provides a subscriber authorization transmission and reception method and device for a digital television internet protocol (IP) broadcast service. The method comprises the following steps that: an IP address is designated as a control address; each IP data broadcast service authorization maturity table is sent to subscriber receiving terminal equipment through the control address from a sending terminal; system time information is sent to the receiving end equipment through the control address at a certain interval from the sending terminal; each receiving terminal equipment is provided with an unique physical address; the receiving terminal equipment receives the IP data broadcast service authorization maturity table conforming to the physical address of a local host through the control address; the receiving terminal equipment receives system time through the control address; and after receiving a data broadcast service IP packet, the receiving terminal equipment forwards the data broadcast service IP packet within the authorization period according to the authorization maturity and system time. In the invention, the sending terminal sends a system clock and each IP data broadcast service authorization maturity table through the control address, and after receiving the data broadcast service IP packet, the receiving terminal equipment forwards the data broadcast service IP packet within the authorization period according to the authorization maturity and system time, thus solving the problem that only one path of IP data broadcast service is controlled by using the existing digital television conditional access (CA) system and subscriber receiving terminal equipment.
Description
Technical field
The invention belongs to digital TV field, relate in particular to a kind of subscriber authorisation transmission and method of reseptance and device that is used for Digital Television IP broadcast business.
Technical background
Digital television broadcasting is mainly used in the TV transmission broadcast program, along with popularizing rapidly of Digital Television, will become a kind of important value-added service based on the IP data broadcast service of Digital Television.For pay TV, to have only and pay and could receive customized TV programme and other service business through the user after authorize allowing, the unpaid expense family then can't obtain.In digital television broadcasting system, program encryption, subscriber's management is all finished by digital television conditional access system CA (Conditional Access).
Digital television conditional access system mainly designs at TV transmission broadcast program business.For IP data broadcasting user's toll administration, also can finish by digital television conditional access system, but because there is following problem in professional different in kind:
● while descrambling number of programs
Under the situation of TV transmission broadcast program, the CA system in the receiver only needs that the ciphered program that the user chooses is decrypted processing and gets final product, so the CA system of the ordinary numbers television receiver on the market can only handle one road program.
The IP data broadcast service then requires receiving terminal CA system can handle several roads program simultaneously, provide as service provider several different markets stock present quotation information, stock trader's research report, exchange's bulletin etc. information,, select to order as the charge ciphered program with different paying prices for the user.As use traditional C A system to carry out subscriber's toll administration, because receiver is only supported ciphered program of descrambling, so the user may need to dispose simultaneously the stock present quotation information that several receivers receive different markets respectively.
● user management
Opening and closing of digital cable customers mandate is that operator by Digital Television manages and controls by digital television conditional access system CA, and most of IP data broadcast service is provided by the third party service provider as value-added service, and opening and close generally of IP data broadcast service subscriber authorisation need directly be finished and no longer intervened by the operator of Digital Television by the third party service provider.
Summary of the invention
The objective of the invention is to solve the problem that to carry out authorization control when using existing digital TV conditional to receive (CA) system and user's receiving device to one road IP data broadcast service.
The invention provides a kind of subscriber authorisation sending method of Digital Television IP broadcast business, it is characterized in that, said method comprising the steps of:
Specify an IP address as control address;
Send IP data broadcast service mandate Expiration Date Table I P packet by control address;
By control address with regular time transmitting system time IP packet at interval;
Data broadcast service IP packet, mandate Expiration Date IP packet, system time IP packet are converted to the MPEG2 transport stream;
The MPEG2 transport stream send digital television conditional access system to carry out encryption;
The IP data broadcast service mandate Expiration Date is shown by the physical address of user's receiving terminal, IP address, authorizes the IP data broadcast service grant column list of forming due date;
The physical address of user's receiving terminal: the physical address that needs the receiving end device of mandate;
IP address: the data broadcast service IP address that needs mandate;
Authorize due date: the due date that needs the data broadcast service IP address of mandate;
System time IP packet was made up of current date of transmitting terminal, current time of transmitting terminal;
A kind of subscriber authorisation dispensing device of Digital Television IP broadcast business is characterized in that, described device comprises:
Authorize the Expiration Date table to generate module: to generate and authorize table due date, and be encapsulated as the IP packet;
System clock information generating module: read current date information, and be encapsulated as the IP packet;
IP-MPEG2 transport stream package module: the IP data are converted to the MPEG2 transport stream;
Digital TV conditional receives encryption processing module: the MPEG2 transport stream is carried out encryption;
A kind of subscriber authorisation method of reseptance of Digital Television IP broadcast business is characterized in that, said method comprising the steps of:
Receive DVB MPEG2 transport stream data packet and carry out decryption processing;
From the MPEG2 transport stream data packet, recover the IP packet.
Receive the IP data broadcast service mandate Expiration Date Table I P packet that conforms to this machine physical address by control address;
By control address receiving system time IP packet;
Receive the IP broadcast business data packet, the broadcast service data bag in the mandate phase is transmitted, otherwise made discard processing;
Be meant in the mandate phase that the mandate in the IP data broadcast service mandate Expiration Date table is later than current system data due date;
A kind of subscriber authorisation receiving system of Digital Television IP broadcast business is characterized in that, described device comprises:
Digital TV conditional receiving and deciphering module: receive DVB MPEG2 transport stream data packet and carry out decryption processing;
IP data decapsulation processing module: from DVB MPEG2 transport stream data packet, recover the IP packet.
IP data forwarding module:, the broadcast service data bag in the mandate phase is transmitted, otherwise made discard processing according to IP data broadcast service mandate Expiration Date table;
IP data broadcast service mandate Expiration Date table: preserve the IP data broadcast service mandate Expiration Date table that conforms to this machine physical address;
The present invention is shown by control address transmitting system clock and each IP data broadcast service mandate Expiration Date by transmitting terminal, after receiving device is received IP data broadcasting service data bag, according to authorizing Expiration Date and system time, only transmit the method for the IP data broadcasting service data bag in the mandate phase, solved and used existing digital TV conditional to receive (CA) system and user's receiving device, can only carry out the problem of authorization control one road IP data broadcast service.
Description of drawings
Fig. 1 is the subscriber authorisation control sending method flow chart of Digital Television IP broadcast business provided by the invention;
Fig. 2 is the subscriber authorisation control method of reseptance flow chart of Digital Television IP broadcast business provided by the invention;
Fig. 3 is the subscriber authorisation control dispensing device structure chart of Digital Television IP broadcast business provided by the invention;
Fig. 4 is the subscriber authorisation control receiving system structure chart of Digital Television IP broadcast business provided by the invention;
Embodiment
The present invention is shown by control address transmitting system clock and each IP data broadcast service mandate Expiration Date by transmitting terminal, after receiving device is received IP data broadcasting service data bag, according to authorizing Expiration Date and system time, transmit the method for the IP data broadcasting service data bag in the mandate phase, solved and used existing digital TV conditional to receive (CA) system and user's receiving device, can only carry out the problem of authorization control one road IP data broadcast service.
Fig. 1 is the subscriber authorisation control sending method flow process of IP broadcast business provided by the invention, and details are as follows.
In steps A 11, according to subscriber information definition User IP data broadcast service mandate Expiration Date table.
Because each IP data broadcast service can take the address with one or more IP, each user can subscribe one or more IP data broadcast services, therefore in this step, need generate IP and authorize table due date, authorize and show due date to comprise according to user's ordering information:
The physical address of user's receiving terminal: the physical address that needs the receiving end device of mandate;
IP address: the data broadcast service IP address that needs mandate;
Authorize due date: the due date that needs the data broadcast service IP address of mandate;
The IP data broadcast service mandate Expiration Date will be packaged into the IP packet, and its destination address is a control address;
In steps A 12, read current date and time information at a certain time interval, generation system clock data bag.This packet comprises:
Current date: the date that transmitting terminal is current;
Current time: the time that transmitting terminal is current;
The clock data bag will be packaged into IP will be packaged into the IP packet, and its destination address is a control address;
In steps A 13, the IP data are converted to the MPEG2 transport stream;
In steps A 14, the MPEG2 transport stream is done encryption by digital television conditional access system.
Fig. 2 is the subscriber authorisation control method of reseptance flow process of IP broadcast business provided by the invention, and details are as follows.
In step B21, receive the MPEG2 transport stream data packet and carry out decryption processing;
In step B22, from the TS packet, recover the IP packet.
In step B23, judge whether the destination-address of IP packet is the control address of agreement.To destination address is that the IP packet of control address send B24 to handle, and the IP packet of non-control address send B25 to handle;
In step B24, the broadcast service data bag in the mandate phase is transmitted, otherwise made discard processing;
In step B25, treatment system clock and IP data broadcast service mandate Expiration Date table:
1. system clock information: the clock of calibration receiving system;
2.IP data broadcast service mandate Expiration Date table: receive and preserve the IP data broadcast service mandate Expiration Date Table I P packet that conforms to this machine physical address.
Fig. 3 is the structure of the subscriber authorisation control dispensing device of IP broadcast business provided by the invention.
IP data broadcast service mandate Expiration Date table generates module C31: the generation IP data broadcast service mandate Expiration Date is shown, and is encapsulated as the IP packet;
System clock information generating module C32: generate current date information, and be encapsulated as the IP packet;
IP-MPEG2TS stream package module C33: the IP packet is converted to the MPEG2 transport stream;
Digital TV conditional receives encryption processing module C34: the MPEG2 transport stream is carried out encryption;
Fig. 4 is the structure of the subscriber authorisation control receiving system of Digital Television IP broadcast business provided by the invention.
Digital TV conditional receiving and deciphering module D41: receive the MPEG2 transport stream data packet and carry out decryption processing;
IP data decapsulation processing module D42: from the MPEG2 transport stream, recover the IP packet;
IP data forwarding module D43: according to IP data broadcast service mandate Expiration Date table D44, judgement is forwarding or abandons the IP packet of being received;
IP data broadcast service mandate Expiration Date table D44: preserve the IP data broadcast service mandate Expiration Date that conforms to this machine physical address table that B25 receives.
Claims (8)
1. the mandate sending method of a Digital Television IP broadcast business is characterized in that, said method comprising the steps of:
Specify an IP address as control address;
Send IP data broadcast service mandate Expiration Date Table I P packet by control address;
By control address with regular time transmitting system time IP packet at interval;
Data broadcast service IP packet, mandate Expiration Date IP packet, system time IP packet are converted to the MPEG2 transport stream;
The MPEG2 transport stream send digital television conditional access system to carry out encryption;
2. according to the sending method of claim 1, the wherein said IP data broadcast service mandate Expiration Date is shown by the physical address of user's receiving terminal, IP address, authorizes the IP data broadcast service grant column list of forming due date; The physical address of wherein said user's receiving terminal is meant the physical address of the receiving end device that needs mandate;
The IP address is meant the data broadcast service IP address that needs mandate;
Authorize the due date that is meant the data broadcast service IP address that needs mandate due date.
3. according to the transmitting system of claim 1, wherein said system time IP packet was made up of current date of transmitting terminal, time.
4. the mandate dispensing device of a Digital Television IP broadcast business is characterized in that, described device comprises:
Authorize the Expiration Date table to generate module, be used for generating and authorize table due date, and be encapsulated as the IP packet;
The system clock information generating module is used to read the current date temporal information, and is encapsulated as the IP packet;
IP-MPEG2 transport stream package module is used for the IP packet is converted to the MPEG2 transport stream;
Digital TV conditional receives encryption processing module, is used for the MPEG2 transport stream is carried out encryption.
5. the mandate method of reseptance of a Digital Television IP broadcast business is characterized in that, said method comprising the steps of:
Receive DVB MPEG2 transport stream data packet and carry out decryption processing;
From the MPEG2 transport stream data packet, recover the IP packet;
Receive the IP data broadcast service mandate Expiration Date Table I P packet that conforms to this machine physical address by control address;
By control address receiving system time IP packet;
Receive the IP broadcast business data packet, the broadcast service data bag in the mandate phase is transmitted, otherwise made discard processing;
6. according to the method for reseptance of claim 5, be meant in the wherein said mandate phase that the mandate in the IP data broadcast service mandate Expiration Date table is later than current system data due date.
7. the mandate receiving system of a Digital Television IP broadcast business is characterized in that, described device comprises:
Digital TV conditional receiving and deciphering module is used to receive DVB MPEG2 transport stream data packet and carries out decryption processing;
IP data decapsulation processing module is used for recovering the IP packet from DVB MPEG2 transport stream data packet;
The IP data forwarding module is used for the broadcast service data bag in the mandate phase being transmitted, otherwise being made discard processing according to IP data broadcast service mandate Expiration Date table.
8. according to the receiving system of claim 7, wherein said IP data broadcast service mandate Expiration Date table: the IP data broadcast service mandate Expiration Date that preservation conforms to this machine physical address is shown.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110037266A CN102123301B (en) | 2011-02-14 | 2011-02-14 | Subscriber authorization transmission and reception method and device for digital television internet protocol (IP) broadcast service |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110037266A CN102123301B (en) | 2011-02-14 | 2011-02-14 | Subscriber authorization transmission and reception method and device for digital television internet protocol (IP) broadcast service |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102123301A true CN102123301A (en) | 2011-07-13 |
| CN102123301B CN102123301B (en) | 2012-10-10 |
Family
ID=44251722
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201110037266A Active CN102123301B (en) | 2011-02-14 | 2011-02-14 | Subscriber authorization transmission and reception method and device for digital television internet protocol (IP) broadcast service |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102123301B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103188613A (en) * | 2011-12-30 | 2013-07-03 | 国民技术股份有限公司 | System and method of broadcast data communication |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1237843A (en) * | 1998-06-02 | 1999-12-08 | 日本电气株式会社 | System, method, and medium for broadcasting service contents |
| WO2001030082A1 (en) * | 1999-10-18 | 2001-04-26 | Irdeto Access B.V. | Method for operating a conditional access system for broadcast applications |
| CN1647484A (en) * | 2002-03-08 | 2005-07-27 | 维亚塞斯公司 | Protocol for entering, disabling and/or erasing scrambled data access rights and the corresponding access control module |
| CN201639710U (en) * | 2010-04-06 | 2010-11-17 | 北京视博数字电视科技有限公司 | Whole network maintenance device, digital television front-end system and terminal equipment |
| CN101945101A (en) * | 2009-06-02 | 2011-01-12 | 耶德托存取公司 | The term of validity of control decruption key |
-
2011
- 2011-02-14 CN CN201110037266A patent/CN102123301B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1237843A (en) * | 1998-06-02 | 1999-12-08 | 日本电气株式会社 | System, method, and medium for broadcasting service contents |
| WO2001030082A1 (en) * | 1999-10-18 | 2001-04-26 | Irdeto Access B.V. | Method for operating a conditional access system for broadcast applications |
| CN1647484A (en) * | 2002-03-08 | 2005-07-27 | 维亚塞斯公司 | Protocol for entering, disabling and/or erasing scrambled data access rights and the corresponding access control module |
| CN101945101A (en) * | 2009-06-02 | 2011-01-12 | 耶德托存取公司 | The term of validity of control decruption key |
| CN201639710U (en) * | 2010-04-06 | 2010-11-17 | 北京视博数字电视科技有限公司 | Whole network maintenance device, digital television front-end system and terminal equipment |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103188613A (en) * | 2011-12-30 | 2013-07-03 | 国民技术股份有限公司 | System and method of broadcast data communication |
| CN103188613B (en) * | 2011-12-30 | 2018-04-03 | 国民技术股份有限公司 | A kind of broadcast data communication system and method |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102123301B (en) | 2012-10-10 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| AU2009251404B2 (en) | Systems, methods and apparatus for reducing unauthorized use in a television distribution system | |
| US8243925B2 (en) | Method and apparatus for supporting multiple broadcasters independently using a single conditional access system | |
| CN1829389B (en) | Method and system for holding terminal nomadism in mobile broadcast television service | |
| US20050198662A1 (en) | Content distribution system | |
| CN101355640A (en) | Multi-display digital television set-top box | |
| CN103024476B (en) | DTV gateway equipment and the method for content safety protection | |
| WO2007076652A1 (en) | User authorization method for use in digital television conditional access system | |
| US20200068175A1 (en) | Method and apparatus for supporting multiple broadcasters independently using a single conditional access system | |
| CN103702173B (en) | System of encrypting and controlling digital television recorded program segments | |
| US20150163204A1 (en) | Digital content access control | |
| US20060141988A1 (en) | Messaging over mobile phone network for digital multimedia network | |
| CN102123301B (en) | Subscriber authorization transmission and reception method and device for digital television internet protocol (IP) broadcast service | |
| CN202121719U (en) | Sending and receiving apparatus of user authorization of IP broadcast service of digital television | |
| CN201298872Y (en) | Multi-display digital TV set-top box | |
| US20180152523A1 (en) | Method for real-time transmission of a data stream | |
| JP2012514374A (en) | Digital broadcasting service method and apparatus | |
| CN105578208A (en) | IPTV video encryption transmission system | |
| KR101418992B1 (en) | Mobile iptv system and method | |
| CN101583012B (en) | Method for realizing two-stage condition receiving system and front end and final end of two-stage condition receiving system | |
| US9392338B2 (en) | Apparatus, systems and methods to communicate authorized programming between a receiving device and a mobile device | |
| CN102326401A (en) | Method, system and apparatus for processing a broadcast television signal | |
| CN100512417C (en) | Interactive digital broadcast television network system and frontend and terminal apparatus thereof | |
| CN101247501A (en) | Digital multimedia broadcasting system and authorization method thereof | |
| CN103634624A (en) | Digital television live broadcasting method and system based on IP (Internet protocol) network | |
| CN107770562B (en) | Method and system for encrypted pushing of digital content |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |