CN104142816A - User card and CDMA (code division multiple access) short message analyzing method thereof - Google Patents
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Abstract
The invention discloses a user card and a CDMA short message analyzing method thereof and relates to the technical field of mobile communication. The method comprises, when the user card receives short messages, determining whether the short messages meet a 0348 data structure; for the short messages which cannot meet the 0348 structure, triggering an expansion event and analyzing TLV (type length value) data inside the short messages by calling an API ( application programming interface) function in a TLV data analyzing structure; for different data content, determining the currently-analyzed TLV data, if the currently-analyzed TLV data meet the requirements, continuing to analyze the next TLV data, if not, feeding the error messages back; when analyzing the values inside parts of the TLV data of user data, removing the message coding portion of the values of parts of the TLV data of the user data, and performing data transformation on the residue user data. Therefore, the CDMA short message analyzing method of the user card achieves analysis of CDMA short messages.
Description
Technical field
The present invention relates to mobile communication technology field, particularly a kind of user's card and CDMA(Code Division Multiple Access thereof, CDMA) note analytic method.
Background technology
At present, in International Standard, there is couple GSM(Global System of Mobile communication, global system for mobile communications) the USIM(Universal Subscriber Identity Module of network definition, whole world Subscriber Identity Module) API(Application Programming Interface, application programming interface) interface, but there is no the interface for cdma network application and development definition specially.
The data structure of GSM network and the data structure of cdma network are as far apart as heaven and earth, and messaging format is also completely different.For example, compared with GSM note head, CDMA note head is TLV(Type Length Value type lengths values) structure, TLV data and another TLV data phase cascade, and there is no TLV data in GSM note head.Again for example, compared with GSM short-message users data, CDMA short-message users data, except comprising real user data, also comprise the coded message that some are additional, and there is no coded message in GSM note.
Due to the greatest differences between the data structure of GSM network and the data structure of cdma network, if the USIM api interface of GSM is directly used in cdma network application and development, when use, can there are a lot of problems, cause CDMA application program cannot read CDMA short message content.
Summary of the invention
An embodiment of the present invention technical matters to be solved is: the parsing problem that solves CDMA note.
According to the embodiment of the present invention aspect, a kind of CDMA note analytic method is proposed, comprising: user's card receives after note, judge whether this note meets 0348 data structure; For the note that does not meet 0348 data structure, trigger expansion event, and call the TLV data in the api function parsing note of resolving type lengths values TLV data structure; For different data contents, the TLV data of current parsing are judged, if the TLV data fit of current parsing requires, continue to resolve next TLV data, if undesirable, return to error message; In the time of value in the TLV data that are resolved to user data part, remove message coding part wherein, remaining user data is carried out to data-switching.
According to the embodiment of the present invention on the other hand, propose a kind of user's card, comprising: note judging unit, for receiving after note, judges whether this note meets 0348 data structure; Event triggered unit, for the note for not meeting 0348 data structure, triggers expansion event, and calls the TLV data in the api function parsing note of resolving type lengths values TLV data structure; Note resolution unit, judges the TLV data of current parsing for the data content for different, if the TLV data fit of current parsing requires, continues to resolve next TLV data, if undesirable, returns to error message; User data processing unit, in the time being resolved to the value of TLV data of user data part, removes message coding part wherein, and remaining user data is carried out to data-switching.
The present invention is for the CDMA note that does not meet 0348 data structure, trigger expansion event, and the api function that calls TLV data structure is resolved the TLV data in note, for different data contents, the TLV data of current parsing are judged, if the TLV data fit of current parsing requires, continue to resolve next TLV data, if undesirable, return to error message, in the time of value in the TLV data that are resolved to user data part, remove message coding part wherein, remaining user data is carried out to data-switching, thereby complete the parsing of CDMA note.
By the detailed description to exemplary embodiment of the present invention referring to accompanying drawing, it is clear that further feature of the present invention and advantage thereof will become.
Brief description of the drawings
In order to be illustrated more clearly in the embodiment of the present invention or technical scheme of the prior art, to the accompanying drawing of required use in embodiment or description of the Prior Art be briefly described below, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skill in the art, do not paying under the prerequisite of creative work, can also obtain according to these accompanying drawings other accompanying drawing.
Fig. 1 is the schematic flow sheet of an embodiment of CDMA note analytic method of the present invention.
Fig. 2 is CDMA form note data structural representation of the present invention.
Fig. 3 is CDMA nonformat note data structural representation of the present invention.
Fig. 4 is the schematic flow sheet of an embodiment of CDMA note analytic method of the present invention.
Fig. 5 is the reference view of application program of intelligent card running environment of the present invention.
Fig. 6 is the structural representation of the present invention's user's card that CDMA is resolved.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is clearly and completely described, obviously, described embodiment is only the present invention's part embodiment, instead of whole embodiment.Illustrative to the description only actually of at least one exemplary embodiment below, never as any restriction to the present invention and application or use.Based on the embodiment in the present invention, those of ordinary skill in the art, not making the every other embodiment obtaining under creative work prerequisite, belong to the scope of protection of the invention.
Due to the greatest differences between the data structure of GSM network and the data structure of cdma network, if the USIM api interface of GSM is directly used in cdma network application and development, when use, can there are a lot of problems, cause CDMA application program cannot read CDMA short message content, for this reason, the present invention proposes a kind of CDMA note analytic method.
Fig. 1 is the schematic flow sheet of an embodiment of CDMA note analytic method of the present invention.
As shown in Figure 1, the CDMA note analytic method of the present embodiment comprises the following steps:
Step 101, user's card receives after note, judges whether this note meets 0348 data structure;
Particularly, can resolve according to 0348 data structure this note, if successfully resolved, this note meets 0348 data structure, if resolved unsuccessfully, this note does not meet 0348 data structure.
Wherein, user's card of the present invention can be for example LTE smart card.
Step 102, for not meeting the note of 0348 data structure, is also CDMA note, triggers expansion event, and calls and resolve TLV(type lengths values) api function of data structure resolves the TLV data in note;
Wherein, not meeting the note of 0348 data structure, is also CDMA note, comprising: point-to-point note and Cell Broadcast CB note.
Step 103, judges the TLV data of current parsing for different data contents, if the TLV data fit of current parsing requires, continues to resolve next TLV data, if undesirable, returns to error message;
Step 104, in the time of value in the TLV data that are resolved to user data part, remove message coding part (MSG_ENCODING) wherein, remaining user data (being also real user data part) is carried out to data-switching, for example, can be hexadecimal data by Binary Conversion.
Wherein, step 103 specifically can judge the label (TAG) in the TLV data of current parsing for different data contents, if the label in the TLV data of current parsing meets the requirement of current data content, continue to resolve next TLV data, if do not meet the requirement of current data content, return to error message.
Analytic method of the present invention goes for form note and the nonformat note of CDMA.Below in conjunction with the CDMA nonformat note structural representation shown in the CDMA form note data structural representation shown in Fig. 2 and Fig. 3, provide a kind of exemplary CDMA note analytic method.
Here first the note in Fig. 2 and Fig. 3 is described.Note1: length byte herein may be 1 byte may be also 2 bytes (it is a byte that length is less than or equal to 0x7F, is greater than 0X7F for 0X81 adds length).If wall scroll note, this byte is the length of TPDU in this note; Cascade note if, this field is the total length of each cascade note TPDU data combination.Note2: length byte is herein a byte.If wall scroll note, this byte is the carrying data length in this note, cascade note if, and this byte is finally to accept the length of note carrying data, this field is without concrete meaning, for filling field, to keep data consistency.Note3: length byte herein may be 1 byte, 2 bytes, also may be that (it is a byte that length is less than or equal to 0X7F to 3 bytes, be greater than 0X7F for 0X81 adds a length byte, be greater than 0XFF, for 0X82 adds two byte lengths), if wall scroll note, this byte is the User Data Length in this note; Cascade note if, this field is the total length of each cascade short-message users data combination.Note4: coded system byte herein, the data encoding mode of preserving C net, wherein low 5 bits are True Data, and high 3 bits are growth data.
Referring to Fig. 4, CDMA note (comprising CDMA form note and CDMA nonformat note) analytic method comprises the following steps:
Step 401, resolves first TLV data of this note, judges whether the label in first TLV data is D1, if D1, first TLV data fit requirement, continues to resolve next TLV data, if not D1, first TLV data are undesirable, return to error message;
Step 402, if first TLV data fit requirement, continue the TLV data of analyzing device identification division, whether the label in the TLV data of judgment device identification division is 82, if 82, the TLV data fit requirement of device identification part, continue to resolve next TLV data, if not 82, the TLV data of device identification part are undesirable, return to error message;
Step 403, if the TLV data fit requirement of device identification part, continue to resolve the TLV data of note TPDU part, judge whether the label in the TLV data of note TPDU part is C8, if C8, the TLV data fit requirement of note TPDU part, continue to resolve next TLV data, if not C8, the TLV data of note TPDU part are undesirable, return to error message;
Step 404, if the TLV data fit requirement of note TPDU part, continue to resolve the TLV data of carrying data division, judge whether the label in the TLV data of carrying data division is 08, if 08, the TLV data fit requirement of carrying data division, continue to resolve next TLV data, if not 08, the TLV data of carrying data division are undesirable, return to error message;
Step 405, if the TLV data fit requirement of carrying data division, continue to resolve the TLV data of user data part, judge whether the label in the TLV data of user data part is 01, if 01, the TLV data fit requirement of user data part, value in the TLV data of continuation parsing user data part, if not 01, the TLV data of user data part are undesirable, return to error message.
Fig. 5 is the application program of intelligent card running environment of the present invention reference view of (being called for short CARE).CARE is attached on LTE JAVA smart card running environment (being called for short JCRE), is mainly for managing Toolkit Applet, i.e. LTE JAVA application of IC cards.
As shown in Figure 5, at original uicc.access package(uicc(Universal Integrated Circuit Card, Universal Integrated Circuit Card) access bag), uicc.tookit package(uicc instrument case and bag) and uicc.system package(uicc system bag) basis on, the present invention has also defined uicc.csim.access package(uicc csim access bag), uicc.csim.tookit package(uicc csim instrument case and bag), CCAT Framework(CCAT framework) and CCAT EnvelopHander(CCAT Envelop handle).Wherein, CCAT Runtime EnvelopHander(CCAT when operation Envelop handle) comprise Tookit Handlers(tool box handle), the registration of Tookit registry(tool box) and Triggering Entity(tool box entity).Csim(CDMA Subscriber Identity Module, CDMA subscriber identification module) card is the user's card based on UICC architecture platform.Envelop is a kind of Envelope command (order of pp-download).
The relevant constant of the file access of main definition LTE JAVA smart card in Uicc.csim.access package.Uicc.csim.toolkit package has defined CSIM comprising CCATEnvelopeHander(and has processed the interface of preserving Envelope data), CCATEnvelopeHanderSystem(defined the method for obtaining CCATEnvelopeHandler), CATTerminalProfile(defined the CDMA SMS data for Terminal Profile), ToolkitConstants(defined the relevant TAG constant of C net Envelope data) several bags, mainly defined LTE JAVA intelligent card in processing and preserved the interface of Envelope data.EnvelopHandle wraps mainly for the treatment of the data message from server, when LTE JAVA intelligent cards is received the cdma note from server, cdma note need to be distributed to and apply and process, before distribution, data need to be deposited in EnvelopHandler, data content in analytic application EnvelopHandler, and process.
User's card (as LTE JAVA smart card) needs to process the note that does not meet 0348 data structure from server, on card, need to install a toolkit applet(toolkit application so, follow-up abbreviation applet), this toolkit applet need to be for the note registration expansion event that does not meet 0348 data structure, as table 1 shows, in card, needing record is which applet registers this event, thus need to be by Case Number, event is associated with applet.For example, EVENT_UNFORMATTED_SMS_PP_ENV event be numbered 4.Receive when card the note that does not meet 0348 data structure, from contingency table, find the applet of registration expansion event, by EnvelopHandler, short message content is passed to applet, process short message content.System is stored in short message content in EnvelopHandler, and applet resolves short message content by certain methods.Such as: applet may need to obtain the information such as the length of user data in note, so defined method CCATEnvelopeHander.getSecuredDataLength (), toolkit applet can call the method and get the User Data Length of note.
Table 1
When user's card is received Envelop(Envelope command) or the more new data of UpdateRecord(of EFsms file) time, this instruction meeting triggers the command analysis module of CARE layer by current note APDU(Application Protocol Data Unit) copy to the Buffer(impact damper of CCATEnvelopHandler) in, and trigger Envelop data analysis module; Envelop data analysis module distinguishes for command source that to be that ENV(refers to by Envelop descending) or UPD(refer to by UpdateRecord descending); Then order structure is disassembled, analysis is the point-to-point note of SMS_PP() or SMS_CB(Cell Broadcast CB), resolve according to 0348 structure respectively; Get the TAR(tool applications bag reference of corresponding downlink data), if TAR is registered, resolves and whether meet 0348 data structure, if meet and passed through 0348 structure inspection, construct standard Event, and call corresponding ProcessToolkit function and resolve note.If do not meet 0348 structure, construct non-standard event (or claiming expansion event), and call corresponding ProcessToolkit function and resolve note.Can be with reference to abovementioned steps 103 for the concrete resolving that does not meet the note of 0348 structure, and the associated description of step 401～405, repeat no more here.
Fig. 6 is the structural representation of the present invention's user's card that CDMA is resolved.This user's card can be for example LTE smart card.
As shown in Figure 6, user's card of the present embodiment comprises:
Note judging unit 601, for receiving after note, judges whether this note meets 0348 data structure;
Event triggered unit 602, for the note (comprising: point-to-point note and Cell Broadcast CB note) for not meeting 0348 data structure, triggers expansion event, and calls the TLV data in the api function parsing note of resolving type lengths values TLV data structure;
Note resolution unit 603, judges the TLV data of current parsing for the data content for different, if the TLV data fit of current parsing requires, continues to resolve next TLV data, if undesirable, returns to error message;
User data processing unit 604, in the time being resolved to the value of TLV data of user data part, removes message coding part wherein, and remaining user data is carried out to data-switching.
Wherein, note resolution unit 603 specifically can judge the label in the TLV data of current parsing for different data contents, if the label in the TLV data of current parsing meets the requirement of current data content, continue to resolve next TLV data, if do not meet the requirement of current data content, return to error message.
An exemplary embodiment, note resolution unit 603 specifically can be for:
Resolve first TLV data of this note, judge whether the label in first TLV data is D1, if D1, first TLV data fit requirement, continues to resolve next TLV data, if not D1, first TLV data are undesirable, return to error message;
If first TLV data fit requirement, continue the TLV data of analyzing device identification division, whether the label in the TLV data of judgment device identification division is 82, if 82, the TLV data fit requirement of device identification part, continues to resolve next TLV data, if not 82, the TLV data of device identification part are undesirable, return to error message;
If the TLV data fit requirement of device identification part, continue to resolve the TLV data of note TPDU part, judge whether the label in the TLV data of note TPDU part is C8, if C8, the TLV data fit requirement of note TPDU part, continues to resolve next TLV data, if not C8, the TLV data of note TPDU part are undesirable, return to error message;
If the TLV data fit requirement of note TPDU part, continue to resolve the TLV data of carrying data division, judge whether the label in the TLV data of carrying data division is 08, if 08, carry the TLV data fit requirement of data division, continue to resolve next TLV data, if not 08, the TLV data of carrying data division are undesirable, return to error message;
If the TLV data fit requirement of carrying data division, continue to resolve the TLV data of user data part, judge whether the label in the TLV data of user data part is 01, if 01, the TLV data fit requirement of user data part, the value in the TLV data of continuation parsing user data part, if not 01, the TLV data of user data part are undesirable, return to error message.
Wherein, note judging unit 601 specifically for: this note is resolved according to 0348 data structure, if successfully resolved, this note meets 0348 data structure, if resolved unsuccessfully, satisfied 0348 data structure of this note.
User's card and its parsing scheme to CDMA note that the present invention proposes, to not meeting the CDMA note of 0348 data structure, trigger expansion event, call the api function of TLV data structure and resolve the TLV data in note, for different data contents, the TLV data of current parsing are judged, if the TLV data fit of current parsing requires, continue to resolve next TLV data, if undesirable, return to error message, in the time of value in the TLV data that are resolved to user data part, remove message coding part wherein, remaining user data is carried out to data-switching, thereby complete the parsing of CDMA note.
One of ordinary skill in the art will appreciate that all or part of step that realizes above-described embodiment can complete by hardware, also can carry out the hardware that instruction is relevant by program completes, described program can be stored in a kind of computer-readable recording medium, the above-mentioned storage medium of mentioning can be ROM (read-only memory), disk or CD etc.
The foregoing is only preferred embodiment of the present invention, in order to limit the present invention, within the spirit and principles in the present invention not all, any amendment of doing, be equal to replacement, improvement etc., within all should being included in protection scope of the present invention.
Claims (10)
1. a CDMA note analytic method, comprising:
User's card receives after note, judges whether this note meets 0348 data structure;
For the note that does not meet 0348 data structure, trigger expansion event, and call the TLV data in the application programming interface api function parsing note of resolving type lengths values TLV data structure;
For different data contents, the TLV data of current parsing are judged, if the TLV data fit of current parsing requires, continue to resolve next TLV data, if undesirable, return to error message;
In the time of value in the TLV data that are resolved to user data part, remove message coding part wherein, remaining user data is carried out to data-switching.
2. method according to claim 1, it is characterized in that, describedly for different data contents, the TLV data of current parsing are judged, if the TLV data fit of current parsing requires, continue to resolve next TLV data, if undesirable, return to error message and comprise:
For different data contents, the label in the TLV data of current parsing is judged, if the label in the TLV data of current parsing meets the requirement of current data content, continue to resolve next TLV data, if do not meet the requirement of current data content, return to error message.
3. method according to claim 2, it is characterized in that, describedly for different data contents, the label in the TLV data of current parsing is judged, if the label in the TLV data of current parsing meets the requirement of current data content, continue to resolve next TLV data, if do not meet the requirement of current data content, return to error message and comprise:
Resolve first TLV data of this note, judge whether the label in first TLV data is D1, if D1, first TLV data fit requirement, continues to resolve next TLV data, if not D1, first TLV data are undesirable, return to error message;
If first TLV data fit requirement, continue the TLV data of analyzing device identification division, whether the label in the TLV data of judgment device identification division is 82, if 82, the TLV data fit requirement of device identification part, continues to resolve next TLV data, if not 82, the TLV data of device identification part are undesirable, return to error message;
If the TLV data fit requirement of device identification part, continue to resolve the TLV data of note TPDU part, judge whether the label in the TLV data of note TPDU part is C8, if C8, the TLV data fit requirement of note TPDU part, continues to resolve next TLV data, if not C8, the TLV data of note TPDU part are undesirable, return to error message;
If the TLV data fit requirement of note TPDU part, continue to resolve the TLV data of carrying data division, judge whether the label in the TLV data of carrying data division is 08, if 08, carry the TLV data fit requirement of data division, continue to resolve next TLV data, if not 08, the TLV data of carrying data division are undesirable, return to error message;
If the TLV data fit requirement of carrying data division, continue to resolve the TLV data of user data part, judge whether the label in the TLV data of user data part is 01, if 01, the TLV data fit requirement of user data part, the value in the TLV data of continuation parsing user data part, if not 01, the TLV data of user data part are undesirable, return to error message.
4. method according to claim 1, is characterized in that, describedly judges that whether this note meets 0348 data structure and comprise:
This note is resolved according to 0348 data structure, if successfully resolved, this note meets 0348 data structure, if resolved unsuccessfully, this note does not meet 0348 data structure.
5. method according to claim 1, is characterized in that, the described note that does not meet 0348 data structure comprises: point-to-point note and Cell Broadcast CB note.
6. user's card, comprising:
Note judging unit, for receiving after note, judges whether this note meets 0348 data structure;
Event triggered unit, for the note for not meeting 0348 data structure, triggers expansion event, and calls the TLV data in the api function parsing note of resolving type lengths values TLV data structure;
Note resolution unit, judges the TLV data of current parsing for the data content for different, if the TLV data fit of current parsing requires, continues to resolve next TLV data, if undesirable, returns to error message;
User data processing unit, in the time being resolved to the value of TLV data of user data part, removes message coding part wherein, and remaining user data is carried out to data-switching.
7. user's card according to claim 6, is characterized in that, described note resolution unit specifically for:
For different data contents, the label in the TLV data of current parsing is judged, if the label in the TLV data of current parsing meets the requirement of current data content, continue to resolve next TLV data, if do not meet the requirement of current data content, return to error message.
8. user's card according to claim 7, is characterized in that, described note resolution unit specifically for:
Resolve first TLV data of this note, judge whether the label in first TLV data is D1, if D1, first TLV data fit requirement, continues to resolve next TLV data, if not D1, first TLV data are undesirable, return to error message;
If first TLV data fit requirement, continue the TLV data of analyzing device identification division, whether the label in the TLV data of judgment device identification division is 82, if 82, the TLV data fit requirement of device identification part, continues to resolve next TLV data, if not 82, the TLV data of device identification part are undesirable, return to error message;
If the TLV data fit requirement of device identification part, continue to resolve the TLV data of note TPDU part, judge whether the label in the TLV data of note TPDU part is C8, if C8, the TLV data fit requirement of note TPDU part, continues to resolve next TLV data, if not C8, the TLV data of note TPDU part are undesirable, return to error message;
If the TLV data fit requirement of note TPDU part, continue to resolve the TLV data of carrying data division, judge whether the label in the TLV data of carrying data division is 08, if 08, carry the TLV data fit requirement of data division, continue to resolve next TLV data, if not 08, the TLV data of carrying data division are undesirable, return to error message;
If the TLV data fit requirement of carrying data division, continue to resolve the TLV data of user data part, judge whether the label in the TLV data of user data part is 01, if 01, the TLV data fit requirement of user data part, the value in the TLV data of continuation parsing user data part, if not 01, the TLV data of user data part are undesirable, return to error message.
9. user's card according to claim 6, is characterized in that, described note judging unit specifically for:
This note is resolved according to 0348 data structure, if successfully resolved, this note meets 0348 data structure, if resolved unsuccessfully, this note does not meet 0348 data structure.
10. user's card according to claim 6, is characterized in that, the described note that does not meet 0348 data structure comprises: point-to-point note and Cell Broadcast CB note.
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