CN103037071A - Method of data exchanging between software and user identity identification card on mobile phone - Google Patents
Method of data exchanging between software and user identity identification card on mobile phone Download PDFInfo
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- CN103037071A CN103037071A CN2011104283735A CN201110428373A CN103037071A CN 103037071 A CN103037071 A CN 103037071A CN 2011104283735 A CN2011104283735 A CN 2011104283735A CN 201110428373 A CN201110428373 A CN 201110428373A CN 103037071 A CN103037071 A CN 103037071A
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Abstract
The invention relates to a method of data exchanging between software and a user identity identification card on a mobile phone. The method is characterized in that a feature code is added in a phone number address book or a message recorder stored in the user identity identification card, the application software and the user identity identification card on the mobile phone can both judge whether further filter process and corresponding analysis and process need to be carried out to data in the identified phone number address book or the message recorder through identification of the feature code, and therefore the application software on the mobile phone can exchange data with the user identity identification card. According to the method of data exchanging between the software and the user identity identification card on the mobile phone, an interactive channel of the phone number address book and the message recorder between the user identity identification card and a mobile phone operating system is utilized, the feature code identification and filter method is combined, and therefore the application software on the mobile phone can exchange data with the user identity identification card, and better man-machine interface and functions and more safe application development are provided.
Description
Technical field
The present invention relates to mobile phone on subscriber identification card carry out safe Data Interchange Technology field, be the method by software and subscriber identification card swap data on a kind of mobile phone specifically.Described subscriber identification card is SIM (Subscriber Identity Module, client identification module, be also referred to as smart card) card or for USIM (Universal Subscriber Identity Module, global subscriber identification module, be called the upgrading SIM) card.
Background technology
Mobile phone has been the indispensable instrument of the modern life, if simple the description, mobile phone is comprised of three bulks:
The first bulk is mobile phone hardware and mobile phone operating system,
The second bulk is the various application software that operate on the mobile phone operating system, among the application with it referred to as the application software on the mobile phone,
The third-largest is for runing the subscriber identification card of base station (communication base station) authentication with movement, described subscriber identification card is an independently system, in the subscriber identification card with operating system (COS system) and the file system of a special use, interface and agreement (7816) by a special use between subscriber identification card and the mobile phone operating system are carried out exchanges data, and can only carry out that some are special, limited data access and exchange, such as: file read-write, authentication etc., except the record of storing call address book or note in subscriber identification card, application software on the mobile phone is the calling party identification card directly, and this is to be determined by the design specification of mobile phone.
All kinds of mobile phone operating systems just do not provide the interface channel of communicating by letter with subscriber identification card for the application software on the mobile phone always, wherein topmost reason is the authentication that the communication interface standard of subscriber identification card is mainly used in cellphone subscriber and mobile operation base station and backstage, and the interaction data between subscriber identification card and the mobile phone operating system can not exceed this category.If mobile phone operating system allows the application software energy direct control subscriber identification card on the mobile phone, may cause unpredictable negative consequences.Cause the problems such as mobile phone can't normally use such as the application software on the mobile operation of hacker software intercepting base station information, the mobile phone and mobile phone operating system contention subscriber identification card control, the reliability of mobile communication can be overturned.Therefore according to the Cell Phone Design standard, mobile phone operating system only allows application software that subscriber identification card is done thin the reading and the specific operation such as renewal of reading of note record and generation, telephone address.
In addition, in order to expand mobile phone for some application of subscriber identification card, released the instrument of a kind of STK of being called (UTK).When mobile phone was supported STK (UTK), 4 elementary instructions supporting by issuing subscriber identification card can be combined into the functions such as display text menu, selection text menu, input characters data, output display text, transmitting-receiving note.These operations can only one independently the interface finish, all application flows all are by subscriber identification card control and finish, and mobile phone only is a passive interpreter and executor, cannot control any application flow, also can't be combined with the application software on other mobile phones.Such STK (UTK) all is limited to the original function interface of text input and output although application has had the human-computer dialogue I/O Interface; Although certain disposal ability has been arranged, but all processing computings are all given an original subscriber identification card very weak with regard to operational capability, that function is limited and are realized, better man-machine dialog interface, more powerful function can't be as the application software on the regular handset, produced, current all kinds of hot spot application can't be satisfied far away.
Summary of the invention
For the defective that exists in the prior art, the object of the present invention is to provide on a kind of mobile phone the method by software and subscriber identification card swap data, utilize the thin and note recording interactive passage of telephone address between subscriber identification card and the mobile phone operating system, method in conjunction with condition code identification and filtration, so that the application software on the mobile phone can with the subscriber identification card swap data, thereby better man-machine interface and function and the exploitation of more Secure Application are provided.
For reaching above purpose, the technical scheme that the present invention takes is:
Method by software and subscriber identification card swap data on a kind of mobile phone, it is characterized in that: increase condition code in the thin or note of the telephone address of in subscriber identification card, the storing record, application software on the mobile phone and subscriber identification card all by the identification to condition code judge whether will be to identification telephone address out thin or intrarecord data of note make further filtration treatment and corresponding analyzing and processing so that the application software on the mobile phone can with the subscriber identification card swap data.
On the basis of technique scheme, at least define two condition codes, one is for the write-in characteristic code of the application software on the mobile phone to the subscriber identification card data writing, and one is for the read condition code of the application software on the mobile phone from the subscriber identification card reading out data.
On the basis of technique scheme, when the application software on the mobile phone need to be transmitted data to subscriber identification card, application software on the mobile phone just writes at least one to subscriber identification card and comprises the write-in characteristic code and meet the thin form of telephone address or meet the data of the form of note record, when this comprise the thin or note record of the telephone address of write-in characteristic code by the identification of the file system of subscriber identification card after, the file system of subscriber identification card to identification telephone address out thin or intrarecord data of note make further filtration treatment and corresponding analyzing and processing.
On the basis of technique scheme, when subscriber identification card need to transmit data to the application software on the mobile phone, the file system of subscriber identification card produces at least one and comprises and read condition code and meet the thin form of telephone address or meet the data of the form of note record, when this comprise the thin or note of the telephone address that reads condition code record by the identification of the application software on the mobile phone after, the application software on the mobile phone to identification telephone address out thin or intrarecord data of note make further filtration treatment and corresponding analyzing and processing.
On the basis of technique scheme, described condition code realizes in the following manner one or a combination set of:
1) by giving a particular value and realizes meeting telephone address one or more data item thin or note record format;
2) realize by giving a particular value to the partial data in above-mentioned certain data item;
3) realize by the particular associative to a plurality of data item assignment of meeting the thin or note record format of telephone address.
On the basis of technique scheme, in the thin or note record of the described telephone address that comprises condition code, also comprise encryption key message, or comprise the cleartext information that need to be encrypted processing, or comprise the cipher-text information that need to be decrypted processing.
On the basis of technique scheme, in the thin or note record of the described telephone address that comprises condition code, also comprise and judge thin to the telephone address with condition code that filters out or the note record will carry out the operation identification information which kind of is further processed for the application software on the mobile phone and subscriber identification card.
Method by software and subscriber identification card swap data on the mobile phone of the present invention, utilize the thin and note recording interactive passage of telephone address between subscriber identification card and the mobile phone operating system, method in conjunction with condition code identification and filtration, so that the application software on the mobile phone can with the subscriber identification card swap data, thereby better man-machine interface and function and the exploitation of more Secure Application are provided.
Description of drawings
The present invention has following accompanying drawing:
Thin and the note record schematic diagram of mutual telephone address between application software on Fig. 1 mobile phone and the subscriber identification card.
Fig. 2 paste card operation principle schematic diagram.
Embodiment
Below in conjunction with accompanying drawing the present invention is described in further detail.
As shown in Figure 1, by the method for software and subscriber identification card swap data, its concrete steps are on the mobile phone of the present invention:
Increase condition code in the thin or note of the telephone address of in subscriber identification card, the storing record, application software on the mobile phone and subscriber identification card all by the identification to condition code judge whether will be to identification telephone address out thin or intrarecord data of note make further filtration treatment and corresponding analyzing and processing so that the application software on the mobile phone can with the subscriber identification card swap data.That is: when a certain some bar telephone address is thin or note record in comprise a certain condition code, after then this comprises that the thin or note record of the telephone address of condition code is differentiated out by the application software on the mobile phone or subscriber identification card, content with this telephone address in the thin or note record is carried out respective handling, obtain corresponding data, thereby realize application software and the transfer of data between the subscriber identification card, mutual on the mobile phone.
On the basis of technique scheme, at least define two condition codes, one is for the write-in characteristic code of the application software on the mobile phone to the subscriber identification card data writing, and one (another) is for the read condition code of the application software on the mobile phone from the subscriber identification card reading out data;
When the application software on the mobile phone need to be transmitted data to subscriber identification card, application software on the mobile phone just writes at least one to subscriber identification card and comprises the write-in characteristic code and meet the thin form of telephone address or meet the data of the form of note record, when this comprise the thin or note record of the telephone address of write-in characteristic code by the identification of the file system of subscriber identification card after, the file system of subscriber identification card to identification telephone address out thin or intrarecord data of note make further filtration treatment and corresponding analyzing and processing;
When subscriber identification card need to transmit data to the application software on the mobile phone, the file system of subscriber identification card produces at least one and comprises and read condition code and meet the thin form of telephone address or meet the data of the form of note record, when this comprise the thin or note of the telephone address that reads condition code record by the identification of the application software on the mobile phone after, the application software on the mobile phone to identification telephone address out thin or intrarecord data of note make further filtration treatment and corresponding analyzing and processing.
Thin or note record will not be identified as a thin or note record of the telephone address on the ordinary meaning with the telephone address of condition code, process but be identified as between application software on the mobile phone and the subscriber identification card mutual application data.
Every condition code or unidentified thin or note record of telephone address of condition code to definition of not comprising press the thin or note record identification of telephone address on the ordinary meaning, processing with it.
On the basis of technique scheme, described condition code realizes in the following manner one or a combination set of:
1) by giving a particular value and realizes meeting telephone address one or more data item thin or note record format;
2) realize by giving a particular value to the partial data in above-mentioned certain data item;
3) realize by the particular associative to a plurality of data item assignment of meeting the thin or note record format of telephone address.Combination realizes and can be 1)+2), or 1)+3), or 2)+3), or 1)+2)+3).
On the basis of technique scheme, in the thin or note record of the described telephone address that comprises condition code, also comprise encryption key message, or comprise the cleartext information that need to be encrypted processing, or comprise the cipher-text information that need to be decrypted processing.
On the basis of technique scheme, in the thin or note record of the described telephone address that comprises condition code, also comprise and judge thin to the telephone address with condition code that filters out or the note record will carry out the operation identification information which kind of is further processed for the application software on the mobile phone and subscriber identification card.
According to the related specifications of mobile phone, subscriber identification card is not a simple memory device, in it with operating system (being commonly referred to the COS system) and the file system of a special use.Mobile phone operating system is by 7816 interfaces and subscriber identification card swap data, and the data that all and subscriber identification card exchange all can be filtered and be processed by the COS system.Use for the ease of the user, in the COS system of subscriber identification card all with telephone directory file and note file.These files can offer application software stores and the reading on the mobile phone, old-fashioned mobile phone in the past in substantially all can user's identification card the telephone directory file and the note file is thin as telephone address and the storage of note record, and present various smart mobile phone because itself with huge memory space, these zones in just seldom can user's identification card.But as standard, mobile phone operating system still provides corresponding API to operate these file contents to the application software on the mobile phone.
Like this, just there are application software on the mobile phone and the data channel between the subscriber identification card.Just this passage can only be used for storage and the reading that telephone address is thin and note records.The content of transmitting between them must meet the form that telephone address is thin and note records.Mobile phone operating system is dispatched between two parties and is checked whether these data are legal.According to standard, the thin file of telephone address is by many telephone address thin compositions, and every telephone address is thin mainly to be comprised of dialed number (Dialling Number/SSC String) and textual identifier (Alpha Identifier); The note file is comprised of many note records, and every note record also mainly is comprised of transmitting-receiving telephone number and short message text.If the application software on the mobile phone and subscriber identification card are all observed these data formats and standard, mobile phone operating system is the mutual data transmission that can not shield between them, referring to Fig. 1.
If it is mutual that we need application software on the mobile phone and subscriber identification card to make data, for example, select short message channel, at this moment the application software on the mobile phone must write one with condition code and meet the data of the form of note record to subscriber identification card, so that subscriber identification card can and filter out this note record by the COS system identification, further obtain again the interaction data of storage in this note record.The form purpose that meets note record is for the mobile phone operating system of out-tricking, condition code be for the COS system can be correct identify and need the note record that filters and process.Adopt the thin interaction concept that carries out of telephone address identical therewith, no longer describe in detail.
As previously mentioned; Every the note record also mainly is comprised of transmitting-receiving telephone number and short message text.We compose a particular value can for the transmitting-receiving telephone number, (+91199999918) such as telephone number, subscriber identification card also is designed to the telephone number of this particular value as identification and the foundation of filtering, and the note of giving other telephone numbers then do not do filtrations, by normal note processing.The program of subscriber identification card (cos system) data that software wishes that it obtains that just can be applied so.Same reason, we also can select a part of content and give a special value in short message text, and such as containing "+91155555568 " herein, subscriber identification card also can be identified and filter as condition code.A plurality of fields are arranged to particular value simultaneously, consist of a condition code, can greatly reduce the probability of obscuring with normal short message.This is a kind of dominant condition code method for expressing.
We also can arrange recessive condition code, are exactly to consist of certain association between a plurality of fields, and application software and subscriber identification card are arranged the correlating method between these fields.Produce a special short message such as application software and go in the mobile phone subscriber identification card, telephone number is related with short message text foundation, certain partial content and telephone number formation function relation in the text.Suppose that this function is a DES computing, key is (88H 88H 88H 88H 88H 88H 88H88H).When telephone number is (12345678), and the assigned address on text has the result (e247b6f864dcef72) of this DES computing.At this moment, subscriber identification card also can be identified and filter as condition code.
Above-mentioned two kinds of methods can be used simultaneously, substantially can not obscure with normal short message from probability like this.
Equally, during the application software short message reading, when finding a short message content with the predetermined characteristic code, by the recognition feature code and filter intercepting with the short message content of this condition code, it just can think that subscriber identification card is to its answer data.
So, the two has just been set up one and has been used for the data path that non-note storage is used, and does not violate the restriction that mobile phone operating system is set.
The same method also special content transmission of available phone address book realizes, certainly, it is different adopting the thin data volume with the note recording interactive of telephone address, but principle is identical, and is specifically thin mutual or by can be the as required mutual data volume choose reasonable of note recording interactive by telephone address.
The below describes implementation procedure with an example:
Development along with technology, the operational capability of subscriber identification card and function are also from strength to strength, in order to satisfy the needs of various application, existing many subscriber identification cards have adopted 32 smart card security chip package, like this can be directly in subscriber identification card safety storage key and carry out corresponding encryption and decryption computing, just can execution encryption and decryption computing in card such as the RFSIM that present China Mobile provides.
If: the application software on the mobile phone wants to finish the DES deciphering of one piece of data, and decruption key 1122334455667788 is present in the subscriber identification card, and decrypt operation is also finished by subscriber identification card.
By surfing Internet with cell phone, what the application software on the mobile phone obtained 8 bytes from network treats decrypting ciphertext aaH, 77H, 40H, baH, 7Eh, 97H, d1H, 63H.Set up note record (for example: set up a note record that does not send) and store in the subscriber identification card, the note record content that does not send comprises the destination address number :+91199999918, and short message text is one section ASCII character: 5A08aa7740ba7e97d163.In these data, comprised a condition code, i.e. the destination address number :+91199999918.Subscriber identification card is received this note record content, by the destination address number know this be one with the special note of condition code, be exclusively used in certain special applications software, 5A08 representative request is carried out the DES deciphering to data thereafter, then its analysis and filter is gone out aaH, 77H, 40H, baH, 7Eh, 97H, d1H, 63H, the decruption key 1122334455667788 in user's identification card is made a DES decrypt operation and is obtained expressly: 01H, 23H, 45H, 67H, 01H, 23H, 45H, 67H.Be spliced into one and do not send note record and wait for that application program reads, content comprises the destination address number :+91199999919, and short message text is one section ASCII character: 5A090123456701234567.In these data, comprised a condition code, i.e. the destination address number :+91199999919.Application software learns that from this note of reading this is the needed the sort of note of this application just.5A09 represents the plaintext that returns after the DES deciphering, obtains by analysis final result: 01H, 23H, 45H, 67H, 01H, 23H, 45H, 67H.
It is more complicated with more communicating by letter of big data quantity can be by above-mentioned simplified example combination or transformation realization.
Old-fashioned subscriber identification card is used for the authentication between mobile communications network and the mobile phone originally, a lot of not with the coprocessor of encryption and decryption computing in these old-fashioned subscriber identification cards, perhaps chip is 8 chips, operational capability is low, can't realize the function of relative complex in subscriber identification card.In order to allow these old-fashioned subscriber identification cards also can realize above-described sophisticated functions by transforming, the product that a kind of paste card (also have and be the film card) arranged now, can be with a compute chip on this paste card, it is attached to (former cellphone subscriber's identification calorie requirement is cut card or burrowed on the subscriber identification card, form a compound subscriber identification card to guarantee paste card and original subscriber's identification card to be close to), then the two is inserted in the subscriber identification card groove simultaneously, in the situation of not changing card, expand the function of this subscriber identification card.This paste card is a bridge circuit in essence, and it is positioned in the middle of the data path of mobile phone and subscriber identification card, can intercept and filter the data between the two, referring to Fig. 2.Can realize by above-mentioned workflow equally the functions such as exchange of plain text encryption, decrypt ciphertext and encryption and decryption key.
Because these characteristics that paste card possesses, the above-mentioned function that realizes at subscriber identification card also is adapted to the compound subscriber identification card card of this paste card pattern.
The content that is not described in detail in this specification belongs to the known prior art of this area professional and technical personnel.
Claims (7)
1. the method by software and subscriber identification card swap data on the mobile phone, it is characterized in that: increase condition code in the thin or note of the telephone address of in subscriber identification card, the storing record, application software on the mobile phone and subscriber identification card all by the identification to condition code judge whether will be to identification telephone address out thin or intrarecord data of note make further filtration treatment and corresponding analyzing and processing so that the application software on the mobile phone can with the subscriber identification card swap data.
2. the method by software and subscriber identification card swap data on the mobile phone as claimed in claim 1, it is characterized in that: define at least two condition codes, one is for the write-in characteristic code of the application software on the mobile phone to the subscriber identification card data writing, and one is for the read condition code of the application software on the mobile phone from the subscriber identification card reading out data.
3. the method by software and subscriber identification card swap data on the mobile phone as claimed in claim 2, the application software on the mobile phone it is characterized in that: when need to be transmitted data to subscriber identification card, application software on the mobile phone just writes at least one to subscriber identification card and comprises the write-in characteristic code and meet the thin form of telephone address or meet the data of the form of note record, when this comprise the thin or note record of the telephone address of write-in characteristic code by the identification of the file system of subscriber identification card after, the file system of subscriber identification card to identification telephone address out thin or intrarecord data of note make further filtration treatment and corresponding analyzing and processing.
4. the method by software and subscriber identification card swap data on the mobile phone as claimed in claim 2, subscriber identification card it is characterized in that: when need to transmit data to the application software on the mobile phone, the file system of subscriber identification card produces at least one and comprises and read condition code and meet the thin form of telephone address or meet the data of the form of note record, when this comprise the thin or note of the telephone address that reads condition code record by the identification of the application software on the mobile phone after, the application software on the mobile phone to identification telephone address out thin or intrarecord data of note make further filtration treatment and corresponding analyzing and processing.
On as claimed in claim 1 or 2 or 3 or 4 the mobile phone by the method for software and subscriber identification card swap data, it is characterized in that described condition code realizes in the following manner one or a combination set of:
1) by giving a particular value and realizes meeting telephone address one or more data item thin or note record format;
2) realize by giving a particular value to the partial data in above-mentioned certain data item;
3) realize by the particular associative to a plurality of data item assignment of meeting the thin or note record format of telephone address.
6. the method by software and subscriber identification card swap data on as claimed in claim 1 or 2 or 3 or 4 the mobile phone, it is characterized in that: in the thin or note record of the described telephone address that comprises condition code, also comprise encryption key message, or comprise the cleartext information that need to be encrypted processing, or comprise the cipher-text information that need to be decrypted processing.
7. the method by software and subscriber identification card swap data on the mobile phone as claimed in claim 6, it is characterized in that: in the thin or note record of the described telephone address that comprises condition code, also comprise and judge thin to the telephone address with condition code that filters out or the note record will carry out the operation identification information which kind of is further processed for the application software on the mobile phone and subscriber identification card.
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| CN110941843B (en) * | 2019-11-22 | 2022-03-29 | 北京明略软件系统有限公司 | Encryption implementation method, device, equipment and storage medium |
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