CN104079994A - 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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- CN104079994A CN104079994A CN201410324016.8A CN201410324016A CN104079994A CN 104079994 A CN104079994 A CN 104079994A CN 201410324016 A CN201410324016 A CN 201410324016A CN 104079994 A CN104079994 A CN 104079994A
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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 top box of digital machine field, particularly a kind of based on Set Top Box without card CA authoring system and method.
Background technology
Condition reception (Conditional Access, being called for short CA) system is a kind of digital charging system that digital television program is encrypted to set up effective charging system, it is by using various digital technologies to be encrypted program, make the information that operator can receive user carry out authorization control, only have authorized user just can watch encrypted program, thereby ensured the interests of operator and authorized user.At present, distinguish with terminal receive mode, the conditional access mode that domestic cable digital TV adopts is mainly divided into two kinds: the first is smart card mode, is characterized in that task of decryption is completed jointly by smart card and Set Top Box host chip; The second is separation between machine and card mode, is characterized in that deciphering is completed separately by smart card.If smart card is integrated in set-top-box chip, this CA is exactly usually said without card CA.In implementation procedure, need the voucher as deciphering by a unique and thick-and-thin ID without card CA, at present the method for main flow is chip id by the Set Top Box master chip voucher as deciphering, but in actual applications, some chip does not have unique chip id, and this has just brought difficulty without the authorization identifying of card CA to Set Top Box.
Summary of the invention
The invention provides a kind of based on Set Top Box authoring system and the method without card CA, for solving the problem of without card CA process, user being authorized realizing Set Top Box.
In order to solve above technical problem, first aspect of the present invention be to provide a kind of based on Set Top Box without card CA authoring system, described system comprise initialization module, solidify ID read module, correction verification module and authorization module,
Described initialization module is for the initialization of Set Top Box Flash memory, and the OTP region of described Flash memory is custom made with solidifies ID;
Described curing ID read module reads the curing ID of Flash memory for solidify the special purpose interface of ID by Flash memory;
Described correction verification module is for carrying out verification to described curing ID, whether identically judge that by the check results obtaining Flash memory that described curing ID customizes before dispatching from the factory with operator solidifies ID, if both are identical, forward authorization module to, otherwise do not authorize;
Described authorization module is for described curing ID and sequence number of set top box are bound, and the sequence number that the information of binding is blocked to CA as nothing is authorized user.
In the first possibility implementation aspect first, described correction verification module adopts CRC32 algorithm to carry out verification.
In the second aspect first may implementation, described authorization module also for will described curing ID and sequence number of set top box information put in storage, and according to user's payment situation, program bag is carried out to authorization control.
Second aspect of the present invention be to provide a kind of based on Set Top Box without card CA authorization method, described method comprises the steps:
Steps A: by Set Top Box Flash initialize memory, the OTP region of described Flash memory is custom made with solidifies ID;
Step B: the curing ID that reads Flash memory by the special purpose interface of the curing ID of Flash memory;
Step C: described curing ID is carried out to verification, judge that by check results whether the curing ID of the Flash memory that described curing ID customizes before dispatching from the factory with operator is identical, if both are identical, carry out step D below, otherwise do not authorize;
Step D: described curing ID and sequence number of set top box are bound, and using the information of binding as without the sequence number of card CA, user being authorized.
In the first possibility implementation aspect second, the verification of described step C adopts CRC32 algorithm.
In the second possibility implementation aspect second, described step D also comprises described curing ID and sequence number of set top box information warehouse-in, and according to user's payment situation, program bag is carried out to authorization control.
As can be seen from the above technical solutions, by adopt provided by the present invention based on Set Top Box authoring system and the method without card CA, realized in Set Top Box and user having been authorized in without card CA process.Because system and method for the present invention does not use the chip id of Set Top Box master chip as authorized certificate, if Set Top Box master chip does not have fixing and unique chip id, just can adopt authoring system provided by the present invention and method to carry out authorization identifying to set-top box users.Therefore, compared with prior art, the present invention has range of application widely.
Brief description of the drawings
The authoring system structured flowchart without card CA based on Set Top Box that Fig. 1 provides for the embodiment of the present invention one;
The authorization method flow chart without card CA based on Set Top Box that Fig. 2 provides for the embodiment of the present invention two.
Embodiment
For making the object, technical solutions and advantages of the present invention clearer, below in conjunction with accompanying drawing, the specific embodiment of the present invention is carried out to clear, complete description, obviously, described embodiment is a part of embodiment of the present invention, instead of whole embodiment, neither limitation of the present invention.Based on embodiments of the invention, those of ordinary skill in the art, not paying the every other embodiment obtaining under creative work prerequisite, belong to protection scope of the present invention.
As shown in Figure 1, the authoring system structured flowchart without card CA based on Set Top Box that Fig. 1 provides for the embodiment of the present invention one, described system comprises initialization module 101, solidifies ID read module 102, correction verification module 103 and authorization module 104.
Initialization module 101 is for the Flash memory of initialization Set Top Box, and the OTP region of described Flash memory is custom made with solidifies ID.
Need explanation, when Set Top Box is dispatched from the factory, the OTP region of its inner Flash memory requires to have solidified an identification information according to customization, and this identification information is exactly the curing ID of Flash memory, and this curing ID is unique and constant.If adopt different customized rules, the curing ID of the Flash memory of Set Top Box is just different.
Solidify ID read module 102 reads Flash memory curing ID for solidify the special purpose interface of ID by Flash memory.
Whether identical correction verification module 103, for described curing ID is carried out to verification, judge that by the check results obtaining the Flash memory customizing before described curing ID dispatches from the factory with operator solidifies ID, if the same forwards authorization module to, otherwise do not authorize.
Authorization module 104, for described curing ID and sequence number of set top box are bound, solidifies after ID and sequence number of set top box in binding, using the information after binding as without the sequence number of card CA, user being authorized.In addition, authorization module 104 also, for solidifying ID and sequence number of set top box warehouse-in, can facilitate operator's management, simultaneously like this, operator obtains user's payment information according to the information of solidifying ID and sequence number of set top box, according to payment information, the TV programme of paying is carried out to authorization control.
With a specific embodiment, embodiment mono-is described below.The Flash memory of supposing the Set Top Box that certain operator provides uses front 60 bytes of the curing ID of privately owned CRC32 array to carrier customization to carry out having obtained after verification the checking data of 4 bytes before dispatching from the factory, the checking data of 60 byte customization datas and 4 bytes is solidificated in the OTP of Flash memory simultaneously, the curing ID of the Flash memory of the Set Top Box that this operator provides so is just made up of the checking data of 60 byte customization datas and 4 bytes, for the ease of distinguishing, the checking data of 4 bytes is here called to " checking data dispatches from the factory ", need explanation, here " privately owned " represents that CRC32 array is defined by operator oneself.Local user's starter motor top box, operator is used system and method control provided by the present invention to subscriber authorisation, needs explanation, and the Set Top Box here not necessarily above-mentioned operator provides, and it may be illegal, may be also that other operators provide.First initialization module 101 can carry out initialization to Set Top Box Flash memory, then solidify ID read module 102 and read whole byte datas of solidifying ID, correction verification module 103 carries out front 60 byte datas verification and obtains the checking data of 4 bytes according to privately owned CRC32 array, this checking data and " checking data dispatches from the factory " are compared, judge that whether data are identical, if the identical authorization module 104 that just turns to of data completes the mandate to user.
The authoring system that adopts the embodiment of the present invention one to provide, the method that user is authorized can be with reference to following concrete grammar embodiment.
As shown in Figure 2, the authorization method flow chart without card CA based on Set Top Box that Fig. 2 provides for the embodiment of the present invention two, described method comprises:
Step 201: the Flash memory of initialization subscriber computer top box.
After user's starter motor top box, the Flash memory of Set Top Box completes initialization.Need explanation, when Set Top Box is dispatched from the factory, the OTP region of its inner Flash memory requires to have solidified an identification information according to customization, this identification information is exactly the curing ID of Flash memory, this curing ID is unique and constant, just because of the curing ID of Flash memory possesses this feature, just can in without card CA implementation procedure, utilize this curing ID that user is authorized or authenticated.The Flash memory of supposing the Set Top Box that certain operator provides uses front 60 bytes of the curing ID of privately owned CRC32 array to carrier customization to carry out having obtained after verification the checking data of 4 bytes before dispatching from the factory, the checking data of 60 byte customization datas and 4 bytes is solidificated in the OTP of Flash memory simultaneously, the curing ID of the Flash memory of the Set Top Box that this operator provides so is just made up of the checking data of 60 byte customization datas and 4 bytes, for the ease of distinguishing, the checking data of 4 bytes is here called to " checking data dispatches from the factory ".Need explanation, " privately owned " here represents that CRC32 array is defined by operator oneself.
Step 202: the curing ID that reads Flash memory by the special purpose interface of the curing ID of Flash memory.
Particularly, solidify the special purpose interface of ID by Flash memory, Flash memory is carried out and is read to solidify ID operation, completes Flash memory and solidifies reading of ID.
Step 203: described curing ID is carried out to verification, judge that whether the curing ID of the Flash memory that described curing ID customizes before dispatching from the factory with operator is consistent, if both are identical, perform step 204, otherwise do not authorize.
Particularly, obtained the curing ID of the Flash memory of subscriber computer top box by step 202, front 60 bytes of this curing ID are carried out to verification and are obtained the checking data of 4 bytes according to privately owned CRC32 array, " checking data dispatches from the factory " in this checking data and step 201 compared, judge that whether data are identical, user's mandate be it should be noted that with regard to turning to step 204 to complete if data are identical, Set Top Box in step 201 not necessarily operator provides, provide if not operator, pass through so step 203, operator can not authorize it, if being operator, Set Top Box provides, so by execution step 203, in can determining step 201 the curing ID of subscriber's local Set Top Box Flash memory dispatch from the factory with operator before the Flash memory of customization whether solidify ID identical, carry out authorization control by judged result.
Step 204: described curing ID and sequence number of set top box are bound, and using the information of binding as without the sequence number of card CA, user being authorized.
Can obtain embodiment tri-based on embodiment bis-, embodiment tri-except comprise embodiment bis-institute in steps, its step 204 also comprises: solidify after ID and sequence number of set top box in binding, to solidify ID and sequence number of set top box warehouse-in, can facilitate like this operator's management, meanwhile, operator obtains user's payment information according to the information of solidifying ID and sequence number of set top box, according to payment information, the TV programme of paying is carried out to authorization control.
Claims (6)
1. the authoring system without card CA based on Set Top Box, is characterized in that described system comprises initialization module, solidifies ID read module, correction verification module and authorization module,
Described initialization module is for the initialization of Set Top Box Flash memory, and the OTP region of described Flash memory is custom made with solidifies ID;
Described curing ID read module reads the curing ID of Flash memory for solidify the special purpose interface of ID by Flash memory;
Described correction verification module is for carrying out verification to described curing ID, whether identically judge that by the check results obtaining Flash memory that described curing ID customizes before dispatching from the factory with operator solidifies ID, if both are identical, forward authorization module to, otherwise do not authorize;
Described authorization module is for described curing ID and sequence number of set top box are bound, and the sequence number that the information of binding is blocked to CA as nothing is authorized user.
2. authoring system according to claim 1, is characterized in that described correction verification module adopts CRC32 algorithm to carry out verification.
3. authoring system according to claim 1, is characterized in that described authorization module is also for described curing ID and sequence number of set top box information are put in storage, and according to user's payment situation, program bag is carried out to authorization control.
4. the authorization method without card CA based on Set Top Box, is characterized in that described method comprises the steps:
Steps A: by Set Top Box Flash initialize memory, the OTP region of described Flash memory is custom made with solidifies ID;
Step B: the curing ID that reads Flash memory by the special purpose interface of the curing ID of Flash memory;
Step C: described curing ID is carried out to verification, judge that by check results whether the curing ID of the Flash memory that described curing ID customizes before dispatching from the factory with operator is identical, if both are identical, carry out step D below, otherwise do not authorize;
Step D: described curing ID and sequence number of set top box are bound, and using the information of binding as without the sequence number of card CA, user being authorized.
5. authorization method according to claim 4, is characterized in that the verification of described step C adopts CRC32 algorithm.
6. authorization method according to claim 4, is characterized in that described step D also comprises described curing ID and sequence number of set top box information warehouse-in, carries out authorization control according to user's payment situation to program bag.
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Cited By (5)
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| CN104965738A (en) * | 2015-06-26 | 2015-10-07 | 深圳市九洲电器有限公司 | Set top box data writing-in method and system |
| CN107645679A (en) * | 2017-09-30 | 2018-01-30 | 深圳市九洲电器有限公司 | The production method and system of set top box cardless conditional access system |
| 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 |
| CN112449215A (en) * | 2019-08-27 | 2021-03-05 | 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 |
| CN114286141A (en) * | 2022-03-01 | 2022-04-05 | 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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| CN104965738A (en) * | 2015-06-26 | 2015-10-07 | 深圳市九洲电器有限公司 | Set top box data writing-in method and system |
| 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 |
| CN107645679A (en) * | 2017-09-30 | 2018-01-30 | 深圳市九洲电器有限公司 | The production method and system of set top box cardless conditional access system |
| WO2019062305A1 (en) * | 2017-09-30 | 2019-04-04 | 深圳市九洲电器有限公司 | Set-top box cardless condition receiving system production 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 |
| CN112449215A (en) * | 2019-08-27 | 2021-03-05 | 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 |
| 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 |
| CN114286141A (en) * | 2022-03-01 | 2022-04-05 | 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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