CN104079994B - Authorization system and method based on set top box card-free CA - Google Patents
Authorization system and method based on set top box card-free CA Download PDFInfo
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- CN104079994B CN104079994B CN201410324016.8A CN201410324016A CN104079994B CN 104079994 B CN104079994 B CN 104079994B CN 201410324016 A CN201410324016 A CN 201410324016A CN 104079994 B CN104079994 B CN 104079994B
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- solidification
- top box
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Abstract
The invention relates to the field of digital set top boxes, and provides an authorization system and method based on set top box card-free CA. The authorization system and method based on set top box card-free CA are used for solving the problem that a user cannot be authorized in the set top box card-free CA process. The authorization system comprises an initialization module, a cured ID reading module, a verification module and an authorization module. The initialization module is used for initialization of a set top box Flash memory. The cured ID reading module is used for reading the cured ID of the Flash memory. The verification module is used for verifying the cured ID. Whether the cured ID is the same as the cured ID, customized before delivery by an operator, of the Flash memory is judged according to the verification result, and if yes, the user is authorized. The chip ID of a master chip of a set top box is not used as an authorization certificate, so that the authorization system and method have the wider application range.
Description
Technical field
The present invention relates to digital set-top box field, more particularly to a kind of authoring system and side based on Set Top Box without card CA
Method.
Background technology
Condition reception (Conditional Access, abbreviation CA) system be it is a kind of digital television program is encrypted with
The Digital pay system of effective charging system is set up, it is encrypted by with various digital technologies to program, makes fortune
The information that battalion business can receive to user carries out authorization control, and only authorized user can just watch encrypted program, so as to ensure
The interests of operator and authorized user.At present, distinguished with terminal recipient formula, the bar that domestic cable digital TV is used
Part receives mode and is broadly divided into two kinds：The first is smart card mode, is characterized in task of decryption by smart card and Set Top Box master
Movement piece is completed jointly；Second is separation between machine and card mode, is characterized in that decryption is individually completed by smart card.If smart card
Be integrated in set-top-box chip, this CA be just known as without card CA.Needed in implementation process by one without card CA
Unique and thick-and-thin ID as decryption voucher, the method for current main flow is used as by the chip id of set top box main chip
The voucher of decryption, but in actual applications, some chips simultaneously do not have unique chip id, and this is just to Set Top Box without card CA's
Authorization identifying brings difficulty.
The content of the invention
The present invention provides a kind of authoring system and method without card CA based on Set Top Box, for solve realize Set Top Box without
The problem authorized to user during card CA.
In order to solve the technical problem of the above, the first aspect of the invention be to provide it is a kind of based on Set Top Box without card CA's
Authoring system, the system includes initialization module, solidification ID read modules, correction verification module and authorization module,
The initialization module is used for the initialization of Set Top Box flash storage, the OTP region of the flash storage
It is custom made with solidification ID；
The special purpose interface that the solidification ID read modules are used to solidify ID by flash storage reads flash storage
Solidification ID；
The correction verification module is used to verify the solidification ID, and the solidification ID is judged by the check results for obtaining
It is whether identical with the flash storage solidification ID that operator customizes before dispatching from the factory, if both are identical, authorization module is gone to,
Otherwise do not authorized then；
The authorization module be used for the solidification ID is bound with sequence number of set top box, and will binding information as
Sequence number without card CA is authorized to user.
In the possible implementation of in the first aspect the first, the correction verification module is verified using CRC32 algorithms.
In the possible implementation of second in the first aspect, the authorization module is additionally operable to the solidification ID and machine
Top box sequence number information is put in storage, and carries out authorization control to program bag according to the payment situation of user.
The second aspect of the invention is to provide a kind of based on authorization method of the Set Top Box without card CA, and methods described is included such as
Lower step：
Step A：The initialization of Set Top Box flash storage, the OTP region of the flash storage are custom made with solidification ID；
Step B：The special purpose interface for solidifying ID by flash storage reads the solidification ID of flash storage；
Step C：The solidification ID is verified, judges the solidification ID with operator before dispatching from the factory by check results
Whether the solidification ID of the flash storage of customization is identical, below step D is performed if both are identical, otherwise do not awarded then
Power；
Step D：The solidification ID is bound with sequence number of set top box, and the information that will be bound is used as the sequence without card CA
Row number is authorized to user.
In the possible implementation of in second aspect the first, the verification of the step C uses CRC32 algorithms.
In the possible implementation of second in second aspect, the step D is also included the solidification ID and machine top
Box sequence number information is put in storage, and carries out authorization control to program bag according to the payment situation of user.
As can be seen from the above technical solutions, by using provided by the present invention based on mandate system of the Set Top Box without card CA
System and method, realize user is authorized during Set Top Box are without card CA.Because present system and method are not used
The chip id of set top box main chip is used as authorized certificate, if set top box main chip does not have fixed and unique chip id, just
Authorization identifying can be carried out to set-top box users using authoring system provided by the present invention and method.Therefore, with prior art
Compare, the present invention has wider range of application.
Brief description of the drawings
Fig. 1 is the offer of the embodiment of the present invention one based on authoring system structured flowchart of the Set Top Box without card CA；
Fig. 2 is the offer of the embodiment of the present invention two based on authorization method flow chart of the Set Top Box without card CA.
Specific embodiment
To make the object, technical solutions and advantages of the present invention clearer, below in conjunction with accompanying drawing, to of the invention specific
Implementation method carries out clear, complete description, it is clear that described embodiment is a part of embodiment of the invention, rather than
Whole embodiments, nor limitation of the present invention.Based on embodiments of the invention, those of ordinary skill in the art are not paying
The every other embodiment obtained under the premise of creative work, belongs to protection scope of the present invention.
As shown in figure 1, Fig. 1 be the embodiment of the present invention one provide based on authoring system structural frames of the Set Top Box without card CA
Figure, the system includes initialization module 101, solidification ID read modules 102, correction verification module 103 and authorization module 104.
Initialization module 101 is used to initialize the flash storage of Set Top Box, and the OTP region of the flash storage is determined
It is formed with solidification ID.
It is to be appreciated that when Set Top Box dispatches from the factory, the OTP region of its internal flash storage have cured one according to customization requirement
Individual identification information, this identification information is exactly the solidification ID of flash storage, and this solidification ID is unique and constant.If
Using different customized rules, the solidification ID of the flash storage of Set Top Box is just different.
The special purpose interface that solidification ID read modules 102 are used to solidify ID by flash storage reads flash storage
Solidification ID.
Correction verification module 103 is used to verify the solidification ID, and the solidification ID is judged by the check results for obtaining
Whether the flash storage solidification ID customized before being dispatched from the factory with operator is identical, if the same goes to authorization module, otherwise then not
Authorized.
Authorization module 104 is used to be bound the solidification ID with sequence number of set top box, on binding solidification ID and machine top
After box sequence number, the information after binding is authorized as the sequence number without card CA to user.Additionally, authorization module 104 is also
For will solidification ID and sequence number of set top box storage, can so facilitate operator to manage, meanwhile, operator according to solidification ID and
The information of sequence number of set top box obtains the payment information of user, and mandate control is carried out to the TV programme paid according to payment information
System.
Embodiment one is illustrated with a specific embodiment below.Assuming that the Set Top Box of certain operator offer
Flash storage 60 bytes before the solidification ID before dispatching from the factory using privately owned CRC32 arrays to carrier customization are verified
The verification data of 4 bytes has been obtained afterwards, while the verification data that 60 bytes customize data and 4 bytes is solidificated in into Flash storages
In the OTP of device, so solidification ID of the flash storage of the Set Top Box that this operator is provided just by 60 bytes customization data and
The verification data composition of 4 bytes, for the ease of distinguishing, the verification data of 4 bytes here is referred to as " verification data of dispatching from the factory ", is needed
Illustrate, " privately owned " expression CRC32 arrays here are defined by operator oneself.Local user starts Set Top Box, operation
Business controls to authorize, it is necessary to illustrate, Set Top Box here is not necessarily user using system and method provided by the present invention
State what operator was provided, it is probably illegal, it is also possible to what other operators were provided.Initialization module 101 first
Set Top Box flash storage can be initialized, then solidify whole byte numbers that ID read modules 102 read solidification ID
According to preceding 60 byte data according to privately owned CRC32 arrays verify correction verification module 103 verification data for obtaining 4 bytes, will
The verification data and " verification data of dispatching from the factory " are compared, and judge whether data are identical, if data are identical to go to authorize mould
Block 104 completes the mandate to user.
The authoring system provided using the embodiment of the present invention one, the method authorized to user may be referred to following
Specific method embodiment.
As shown in Fig. 2 Fig. 2 be the embodiment of the present invention two provide based on authorization method flow chart of the Set Top Box without card CA,
Methods described includes：
Step 201：The flash storage of initialising subscriber Set Top Box.
After user starts Set Top Box, the flash storage of Set Top Box completes initialization.It is to be appreciated that when Set Top Box dispatches from the factory,
The OTP region of its internal flash storage have cured an identification information according to customization requirement, and this identification information is exactly
The solidification ID of flash storage, this solidification ID is unique and constant, just because of the solidification ID of flash storage possesses this
Individual feature, it is possible to authorized to user using this solidification ID or certification in without card CA implementation process.Assuming that certain is transported
The flash storage of the Set Top Box that battalion business provides is before dispatching from the factory using privately owned CRC32 arrays to the solidification ID of carrier customization
Preceding 60 byte verified after obtained the verification data of 4 bytes, while 60 bytes to be customized the check number of data and 4 bytes
According to being solidificated in the OTP of flash storage, so solidification ID of the flash storage of the Set Top Box that this operator is provided is just
The verification data for customizing data and 4 bytes by 60 bytes is constituted, for the ease of distinguishing, by the check number of 4 bytes here it is said that
It is " verification data of dispatching from the factory ".It is to be appreciated that " privately owned " expression CRC32 arrays here are defined by operator oneself.
Step 202：The special purpose interface for solidifying ID by flash storage reads the solidification ID of flash storage.
Specifically, the special purpose interface of ID is solidified by flash storage, flash storage is performed reads solidification ID operations, complete
Solidify the reading of ID into flash storage.
Step 203：The solidification ID is verified, judges what the solidification ID and operator customized before dispatching from the factory
Whether the solidification ID of flash storage is consistent, step 204 is performed if both are identical, otherwise do not authorized then.
Specifically, the solidification ID of the flash storage of user's Set Top Box has been obtained by step 202, by this solidification ID's
Preceding 60 byte according to privately owned CRC32 arrays verify the verification data for obtaining 4 bytes, by the verification data and step 201
In " verification data of dispatching from the factory " be compared, judge whether data identical, if data it is identical go to step 204 complete to
The mandate at family is provided if not operator it should be noted that the Set Top Box in step 201 is not necessarily operator's offer
, then by step 203, operator will not authorize to it；If Set Top Box is operator provided, then by holding
Row step 203, it can be determined that fixed before the solidification ID of the local Set Top Box flash storage of user dispatches from the factory with operator in step 201
Whether the flash storage solidification ID of system is identical, and authorization control is carried out by judged result.
Step 204：The solidification ID is bound with sequence number of set top box, and the information that will be bound is used as without card CA's
Sequence number is authorized to user.
Embodiment three can be obtained based on embodiment two, embodiment three in addition to all steps comprising embodiment two,
Its step 204 also includes：After binding solidification ID and sequence number of set top box, solidification ID and sequence number of set top box are put in storage, so
Operator can be facilitated to manage, meanwhile, operator obtains the payment letter of user according to the information of solidification ID and sequence number of set top box
The TV programme paid are carried out authorization control by breath according to payment information.
Claims (6)
1. it is a kind of based on authoring system of the Set Top Box without card CA, it is characterised in that the system includes initialization module, solidification ID
Read module, correction verification module and authorization module,
The initialization module is used for the initialization of Set Top Box flash storage, the OTP region customization of the flash storage
There is solidification ID；
The special purpose interface that the solidification ID read modules are used to solidify ID by flash storage reads consolidating for flash storage
Change ID；
The correction verification module is used to verify the solidification ID, judges the solidification ID with fortune by the check results for obtaining
Whether the flash storage solidification ID that battalion business customizes before dispatching from the factory is identical, if both are identical, goes to authorization module, otherwise
Do not authorized then；
The authorization module is used to be bound the solidification ID with sequence number of set top box, and the information that will be bound is used as without card
The sequence number of CA is authorized to user.
2. authoring system according to claim 1, it is characterised in that the correction verification module carries out school using CRC32 algorithms
Test.
3. authoring system according to claim 1, it is characterised in that the authorization module be additionally operable to by the solidification ID with
Sequence number of set top box information is put in storage, and carries out authorization control to program bag according to the payment situation of user.
4. it is a kind of based on authorization method of the Set Top Box without card CA, it is characterised in that methods described comprises the following steps：
Step A：The initialization of Set Top Box flash storage, the OTP region of the flash storage are custom made with solidification ID；
Step B：The special purpose interface for solidifying ID by flash storage reads the solidification ID of flash storage；
Step C：The solidification ID is verified, judges that the solidification ID is customized with operator before dispatching from the factory by check results
Flash storage solidification ID it is whether identical, if both it is identical if perform below step D, otherwise do not authorized then；
Step D：The solidification ID is bound with sequence number of set top box, and the information that will be bound is used as the sequence number without card CA
User is authorized.
5. authorization method according to claim 4, it is characterised in that the verification of the step C uses CRC32 algorithms.
6. authorization method according to claim 4, it is characterised in that the step D is also included the solidification ID and machine top
Box sequence number information is put in storage, and the payment situation according to user carries out authorization control to program bag.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410324016.8A CN104079994B (en) | 2014-07-07 | 2014-07-07 | Authorization system and method based on set top box card-free CA |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410324016.8A CN104079994B (en) | 2014-07-07 | 2014-07-07 | Authorization system and method based on set top box card-free CA |
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| CN104079994A CN104079994A (en) | 2014-10-01 |
| CN104079994B true CN104079994B (en) | 2017-05-24 |
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| CN104965738B (en) * | 2015-06-26 | 2018-04-10 | 深圳市九洲电器有限公司 | Data of set top box wiring method and system |
| CN107645679B (en) * | 2017-09-30 | 2020-02-07 | 深圳市九洲电器有限公司 | Production method and system of card-free condition receiving system of set top box |
| CN109815750A (en) * | 2018-12-28 | 2019-05-28 | 深圳市德名利电子有限公司 | A kind of encryption method and storage device of storage device |
| CN112449215B (en) * | 2019-08-27 | 2022-11-08 | 武汉佳世创科技有限公司 | Method and system for supporting card-holding and card-free condition receiving based on digital television |
| CN114286141B (en) * | 2022-03-01 | 2022-06-28 | 深圳佳力拓科技有限公司 | Method for realizing card-free condition receiving and set top box |
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