CN106255094A - Locking means, device, SIM and the system of a kind of SIM application - Google Patents
Locking means, device, SIM and the system of a kind of SIM application Download PDFInfo
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- CN106255094A CN106255094A CN201510324216.8A CN201510324216A CN106255094A CN 106255094 A CN106255094 A CN 106255094A CN 201510324216 A CN201510324216 A CN 201510324216A CN 106255094 A CN106255094 A CN 106255094A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W8/00—Network data management
- H04W8/18—Processing of user or subscriber data, e.g. subscribed services, user preferences or user profiles; Transfer of user or subscriber data
- H04W8/183—Processing at user equipment or user record carrier
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W12/00—Security arrangements; Authentication; Protecting privacy or anonymity
- H04W12/06—Authentication
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Abstract
The invention discloses locking means, device, SIM and the system of a kind of SIM application, its method includes: obtain the instruction that the intended application in SIM is called by external entity；According to instruction, calling the Counter Service module in SIM, during so that Counter Service module judges the trigger condition that the target instruction target word called in intended application meets intended application locking, lock onto target is applied.The present invention carries out detection counting by exchanging with the target instruction target word of the card application of enumerator service module; when the call number of target instruction target word meets the locking condition of intended application; the intended application of SIM is locked by flip-flop number server module; need not by the way change existing application specification; the safety of application can be promoted; start locking protection when SIM application is by malicious attack, improve application security.
Description
Technical field
The present invention relates to SIM application and application safety field, particularly relate to the lock of a kind of SIM application
Determine method, device, SIM and system.
Background technology
Along with popularizing of SIM application, the safety of application is increasingly paid attention to by user and developer,
In order to ensure the safe handling that card is applied, prior art carries out frequently with following two mode the mirror of safety
Power:
Mode one: (as a example by GSM network environment, mobile phone terminal utilizes SIM to step on net as shown in Figure 1
Authorizing procedure), mobile phone terminal by select instruction SELECT command selection SIM apply；Mobile phone terminal
Sending authentication instruction AUTHENTICATE order to SIM to authenticate, command message includes at random
Number RAND；After SIM receives command message, calculate RES and Kc；Network receives school after RES
Test RES the most correct.But, although the method has verified the legitimacy of SIM, but SIM not school
Testing the legitimacy of network side, the most only network side unilateral authentication to SIM, therefore, assailant can not
Break and send authentication request to find the leak of SIM to SIM, it is achieved the attack to application.
Mode two: in SCP 02 escape way agreement defined in Global Platform card specification is permissible
Realizing the two-way authentication between card and external entity, escape way Establishing process is as in figure 2 it is shown, mobile phone terminal
By the main security domain (ISD, Issuer Security Domain) in SELECT command selection UICC card；
Network side management backstage generates random parameter RAND 1, sends initialization by mobile phone terminal to UICC card and refers to
Make INITIALIZE UPDATE order (comprising RAND1)；After UICC card receives command message, raw
Become random parameter RAND 2, generate session key together with RAND1, calculate MAC1；UICC card is returned
Return RAND2 and MAC1；Network side management backstage verification MAC1, if by, generate MAC2, and
UICC card is issued by external authentication instruction EXTERNAL AUTHENTICATE order；UICC card
After receiving MAC2, it is verified.Although above-mentioned authorizing procedure uses two-way authentication, but still exists
Technological deficiency: assailant can not send after receiving RAND2 and MAC1 that UICC sends
UICC card is issued in EXTERNAL AUTHENTICATE order, and is to continue with repeating to send
INITIALIZE UPDATE order, thus realize the attack purpose to card application.
Safety issue for SIM application, although above present two kinds should to improve by authentication
By the method for safety, but due to existing defects in authentication process, still it cannot be guaranteed that the safety of card application.
Summary of the invention
In order to solve above-mentioned technical problem, the invention provides the locking means of a kind of SIM application, dress
Put, SIM and system, solve the unwarrantable problem of card application security in prior art.
According to one aspect of the present invention, it is provided that the locking means of a kind of SIM application, including:
Obtain the instruction that the intended application in SIM is called by external entity；
According to instruction, call the Counter Service module in SIM, so that Counter Service module judges
When the target instruction target word called in intended application meets the trigger condition of intended application locking, lock onto target is applied.
Wherein, the step obtaining the instruction that the intended application in SIM is called by external entity includes:
The selection that intended application in acquisition SIM is called by external entity instructs.
Wherein, according to instruction, call the Counter Service module in SIM, so that Counter Service mould
When block judges the trigger condition that the target instruction target word called in intended application meets intended application locking, lock onto target
The step of application includes:
According to instruction, whether the current state of detection intended application is in the lock state；
If intended application is not on lock-out state, then call the Counter Service module in SIM, with
When making the trigger condition that Counter Service module decision instruction meets intended application locking, lock onto target is applied.
Wherein, Counter Service module judges that the target instruction target word called in intended application meets intended application locking
Trigger condition time, lock onto target application step include:
Counter Service module judges whether the call number of the target instruction target word called in intended application reaches
The maximum preset of enumerator；
If reaching, then lock onto target application, and produce the response of lock onto target application.
Wherein, Counter Service module judges that the target instruction target word called in intended application meets intended application locking
Trigger condition time, lock onto target application step also include:
Counter Service module judges whether the call number of the target instruction target word called in intended application reaches
The alarming value of enumerator；Wherein, alarming value is less than or equal to the preset maximum value of enumerator；
If reaching, then produce warning message.
Wherein, the locking means of this SIM application also includes: Counter Service module is to enumerator platform
Or the count information of business platform coincidence counter.
According to another aspect of the invention, additionally provide the locking device of a kind of SIM application, including:
Acquisition module, for obtaining the instruction that the intended application in SIM is called by external entity；
Processing module, for according to instruction, calls the Counter Service module in SIM, so that counting
When device service module judges the trigger condition that the target instruction target word called in intended application meets intended application locking,
Lock onto target is applied.
Wherein, acquisition module includes:
Selecting unit, the selection called by external entity for obtaining the intended application in SIM instructs.
Wherein, processing module includes:
Detector unit, for according to instruction, whether the current state of detection intended application is in the lock state；
Processing unit, if being not on lock-out state for intended application, then calls the counting in SIM
Device service module, during so that Counter Service module decision instruction meets the trigger condition of intended application locking,
Lock onto target is applied.
Wherein, processing unit includes:
First judgment sub-unit, for making Counter Service module judge, the target called in intended application refers to
Whether the initiation number of times of order reaches the maximum preset of enumerator；
Locking subelement, for making when the call number of target instruction target word reaches maximum, lock onto target is applied,
And produce the response of lock onto target application.
Wherein, processing unit also includes:
Second judgment sub-unit, for making Counter Service module judge, the target called in intended application refers to
Whether the initiation number of times of order reaches the alarming value of enumerator；Wherein, alarming value is less than or equal to the pre-of enumerator
If maximum；
Alarm part-unit, for when the call number of target instruction target word reaches alarming value, produces warning message.
Wherein, the locking device of this SIM application also includes: synchronization module, is used for making Counter Service
Module is to enumerator platform or the count information of business platform coincidence counter.
According to another aspect of the invention, additionally provide a kind of SIM, including SIM as above
The locking device of card application, and SIM application module sum counter service module.
According to another aspect of the invention, additionally providing a kind of system, this system includes as above
SIM, the external entity matched with SIM, and the business platform that is connected with SIM and counting
Device platform.
Embodiments of the invention provide the benefit that: the locking means of a kind of SIM application, device, SIM
Card and system, carry out detection counting by exchanging with the target instruction target word of the card application of enumerator service module, when
When the call number of target instruction target word meets the locking condition of intended application, flip-flop number server module pair
The intended application of SIM locks, and need not by the way change existing application specification,
Promote the safety of application, start locking protection when SIM application is by malicious attack, improve application
Safety.
Accompanying drawing explanation
Fig. 1 represents the flow chart in prior art authenticated SIM；
Fig. 2 represents the flow chart setting up escape way in prior art between SIM and business platform；
Fig. 3 represents the flow chart of the locking means of the SIM application of the present invention；
Fig. 4 represents the module diagram of the locking device of the SIM application of the present invention；
Fig. 5 represents the configuration diagram of present system；
Fig. 6 represents present system flow chart.
Wherein in figure: 101, acquisition module, 201, processing module.
Detailed description of the invention
It is more fully described the exemplary embodiment of the present invention below with reference to accompanying drawings.Although accompanying drawing shows
The exemplary embodiment of the present invention, it being understood, however, that may be realized in various forms the present invention and should be by
Embodiments set forth here is limited.On the contrary, it is provided that these embodiments are able to be best understood from this
Invention, and complete for the scope of the present invention can be conveyed to those skilled in the art.
Embodiment
Along with popularizing of SIM application, the importance of application security is more and more higher, particularly with some
The application that security requirement is higher, such as: Mobile banking etc..In order to ensure the safety that SIM is applied,
Embodiments provide the locking means of a kind of SIM application, specifically include step as shown in Figure 3
Rapid:
Step 10: obtain the instruction that the intended application in SIM is called by external entity.
Here, when needing the access initiating certain intended application, external entity needs to initiate to SIM
The call instruction of this intended application.
Step 20: according to instruction, call the Counter Service module in SIM, so that Counter Service
When module judges the trigger condition that the target instruction target word called in intended application meets intended application locking, lock mesh
Mark application.
Wherein, after certain intended application is called, the technology device in SIM is called according to call instruction
Service module, calls the counting of number of times, when this target instruction target word with certain target instruction target word to this intended application
Call number when reaching the trigger condition of locking, then corresponding intended application is locked.
Further, the instruction mentioned in above-mentioned steps 10 refers to select instruction, say, that sending out
When playing the access of certain intended application, external entity is needed to send a selection instruction, this mesh selected to SIM
Mark application.
After selected target is applied, need this intended application is detected in real time, determine if to be in
Precarious position.Specifically, detection process can realize referring in particular to following step:
According to above-mentioned instruction, whether the current state of detection intended application is in the lock state.
If intended application is not on lock-out state, then call the Counter Service module in SIM, with
When making the trigger condition that Counter Service module decision instruction meets intended application locking, lock onto target is applied.
Here it is to say, after concrete certain intended application selected, first has to detect the current state of this intended application
Whether it is lock-out state, if lock-out state, then the request of this intended application cannot be responded；If should
Intended application is in unlocked state, then call the counting service to intended application, and detect whether to meet lock
Determine trigger condition.
Wherein, the detection to intended application, can refer in the following manner and carry out: the Counter Service in SIM
Module judge the call number of the target instruction target word called in intended application whether reach enumerator preset
Maximum；If reaching, then lock onto target application, and produce the response of lock onto target application.
Further, the detection to intended application, it is also possible to detection counter service module judges intended application
Whether the call number of middle called target instruction target word reaches the alarming value of enumerator；Wherein, alarming value is less than
Or the preset maximum value equal to enumerator；If reaching, then produce warning message.
Wherein, the locking means of this SIM application also includes: Counter Service module is to enumerator platform
Or the count information of business platform coincidence counter.That is, under networking situation, SIM can be by self
Lock-out state or the alarm condition of application report to enumerator platform or business platform so that network side is preferably
Deployment SIM is applied.
The embodiment of the present invention detects with the target instruction target word of the card application of enumerator service module by exchanging
Counting, when the call number of target instruction target word meets the locking condition of intended application, flip-flop number server
The intended application of SIM is locked by module, need not by the way change existing application rule
Model, can promote the safety of application, starts locking protection when SIM application is by malicious attack, carries
High application security.
Wherein, owing to the equipment of current application specification has disposed maturation, if to existing application specification liter
Level or current interface is modified relatively costly, the above-mentioned detection process mentioned and invoked procedure do not relate to
And the change of existing standard, only customized label reserved in existing standard specification need to be defined, such as
The technology mechanism installed in card application defined in GP specification and parameter, for realizing said method, can be
' C9 ' label of GP specification is given a definition parameters such as ' A0 ', ' A1 ', ' A2 ' or ' A3 ', respectively
The label of individual parameter and definition can refer to, shown in following table, it is worthy of note, only enumerate in the embodiment of the present invention
Following table one definition mode, other can realize improving application security to reservation label in existing specification
Supplement and may be applicable to embodiments of the invention:
Wherein, ' A0 ' represents alarming value, when the call number of certain target instruction target word of certain intended application reaches report
During alert value, the Counter Service module in SIM can generate a warning message, and representing this intended application may
In the hole.
' A1 ' represents maximum, when the call number of certain target instruction target word of certain intended application reaches maximum
Time, the Counter Service module in SIM can lock this intended application.
' A2 ' indicates whether to enable alarm mechanism, with parameter ' A0 ' with the use of, when ' A2 ' represent
When enabling alarm mechanism, understand when the call number of certain target instruction target word of certain intended application reaches alarming value,
Counter Service module in SIM can generate a warning message.
' A3 ' indicates whether to enable application locking mechanism, with parameter ' A1 ' with the use of, as ' A3 '
When expression enables application locking mechanism, can reach maximum in the call number of certain target instruction target word of certain intended application
During value, the Counter Service module in SIM can lock this intended application.
Wherein, when certain intended application be provided with when mounted enumerator relevant parameter (' A0 ', ' A1 ' or
' A3 ' etc.), when calling Counter Service module, can specifically call the application of following relevant new definition
Program Interfaces (API, Application Programming Interface):
Whether isWarned (): enumerator meets or exceeds alarming value, if returning " 1 ", otherwise returns
“0”。
Whether isBlocked (): enumerator reaches maximum, if reaching to return " 1 ", otherwise returns " 0 ".
GetTriesRemaining (): obtain enumerator residue degree (maximum-currency).
Reset (): the value of enumerator is reset to 0.
Increment (): the value of enumerator is increased by 1.
UpdateWarning (): update alarming value.
UpdateMax (): update maximum.
Or, other RFU.
When installing certain intended application for SIM, its installation parameter can be defined, and real in outside
When body calls this intended application, the above-mentioned relevant api interface of Selection and call.
Counting service in order to ensure intended application is not acted blindly, after each normal response intended application, corresponding
The value of enumerator can subtract one.Further, it is also possible to enumerator corresponding to intended application according to actual needs
Maximum or alarming value are updated.
According to another aspect of the embodiment of the present invention, additionally provide the locking device of a kind of SIM application,
As shown in Figure 4, this locking device includes:
Acquisition module 101, for obtaining the instruction that the intended application in SIM is called by external entity；
Processing module 201, for according to instruction, calls the Counter Service module in SIM, so that meter
Number device service module judges that the target instruction target word called in intended application meets the trigger condition of intended application locking
Time, lock onto target is applied.
Wherein, acquisition module 101 includes:
Selecting unit, the selection called by external entity for obtaining the intended application in SIM instructs.
Wherein, processing module 201 includes:
Detector unit, for according to instruction, whether the current state of detection intended application is in the lock state；
Processing unit, if being not on lock-out state for intended application, then calls the counting in SIM
Device service module, during so that Counter Service module decision instruction meets the trigger condition of intended application locking,
Lock onto target is applied.
Wherein, processing unit includes:
First judgment sub-unit, for making Counter Service module judge, the target called in intended application refers to
Whether the initiation number of times of order reaches the maximum preset of enumerator；
Locking subelement, for making when the call number of target instruction target word reaches maximum, lock onto target is applied,
And produce the response of lock onto target application.
Wherein, processing unit also includes:
Second judgment sub-unit, for making Counter Service module judge, the target called in intended application refers to
Whether the initiation number of times of order reaches the alarming value of enumerator；Wherein, alarming value is less than or equal to the pre-of enumerator
If maximum；
Alarm part-unit, for when the call number of target instruction target word reaches alarming value, produces warning message.
Wherein, the locking device of this SIM application also includes: synchronization module, is used for making Counter Service
Module is to enumerator platform or the count information of business platform coincidence counter.
It should be noted that the device that this locking device is with above-mentioned SIM is applied locking means is corresponding,
In said method embodiment, all implementations are all be applicable to the embodiment of this device, also can reach identical
Technique effect.
According to another aspect of the embodiment of the present invention, as it is shown in figure 5, additionally provide a kind of SIM,
Including the locking device of SIM as above application, and card application module sum counter service module；
Wherein, card application module corresponds to above-mentioned acquisition module, is mainly used in various SIM application call meters
Number service；Counter Service module corresponds to above-mentioned processing module, mainly for detection of the mesh in intended application
Whether the call number of mark instruction reaches the triggering thresholding of locking application, once reach, intended application is locked,
Ensure the safety of this intended application.
According to another aspect of the invention, as it is shown in figure 5, additionally provide a kind of system, this system includes
SIM as above, the external entity matched with SIM, and the business being connected with SIM
Platform sum counter platform.Wherein, external entity can be smart mobile phone, POS, card reader or SP
Platforms etc. can realize the device of card application.Business platform refers to server corresponding to various application or network is put down
Platform.And enumerator platform Main Function is to distribute different enumerators for different card application, and these are counted
Number device is managed.
As shown in Figure 6, the locking below in conjunction with the system architecture of the embodiment of the present invention, SIM applied
Flow process describes in detail:
Step (1): external entity selects the intended application of SIM, specifically can pass through existing SELECT
Order carries out the selection of card application.
Step (2): whether the card application selected by the detection of card application module in SIM is in the lock state,
If locked return improper value applied by card.That is, if detecting that intended application is in the lock state the most, then
This intended application cannot be responded, return improper value, the access process of target end application.
Step (3): intended application is not in lock-out state if detecting, then corresponding the connecing of invocation target application
Mouthful, such as: the interfaces such as SMS or APDU.
Step (4): card application module decides whether to call enumerator as required and is correlated with API, i.e. according to working as
The importance of front target instruction target word determines the need for calling the API that enumerator is relevant.
Step (5): if current goal instruction belongs to important instruction, then call the API of enumerator, such as:
Increment () interface, say, that do not receive this target instruction target word, the value of enumerator adds one.
Step (6): the Counter Service module in SIM judges whether enumerator meets trigger condition, i.e.
Whether the value of nonce counter reaches maximum.
Step (7): if not up to maximum, then normal response.
Step (8): if enumerator reaches maximum, then lock application.
Step (9): after lock onto target application, Counter Service module can return card application to card application module
Locking response, so that external entity receives the response that intended application is locked.
Step (10): if enumerator is not up to maximum, Counter Service module may proceed to detection counting
Whether device reaches alarming value, if enumerator not up to maximum but reach alarming value, then carry out step (11).
Step (11): Counter Service module can send alarming short message by proactive command requesting terminal,
I.e. request external entity sends warning message to enumerator platform or business platform.
Step (12): when enumerator reaches alarming value, intended application still can be by normal response.
Step (13): when networking, the counting of the enumerator of intended application can be believed by Counter Service module
Breath is synchronized to enumerator platform.
Step (14): after enumerator platform receives the count information of enumerator corresponding to intended application, meeting
It is forwarded to business platform.
Modified reinforcing by the flow process that card is applied, can realize the protection of key instruction in intended application,
And then the problem realizing improving card application security.
Above-described is the preferred embodiment of the present invention, it should be pointed out that for the ordinary people of the art
For Yuan, some improvements and modifications can also be made under without departing from principle premise of the present invention, these
Improvements and modifications are the most within the scope of the present invention.
Claims (14)
1. the locking means of a SIM application, it is characterised in that including:
Obtain the instruction that the intended application in SIM is called by external entity；
According to described instruction, call the Counter Service module in described SIM, so that described enumerator
Service module judges that the target instruction target word called in described intended application meets the triggering of described intended application locking
During condition, lock described intended application.
The locking means of SIM the most according to claim 1 application, it is characterised in that obtain SIM
The step of the instruction that the intended application in card is called by external entity includes:
The selection that intended application in acquisition SIM is called by external entity instructs.
The locking means of SIM the most according to claim 1 application, it is characterised in that according to institute
State instruction, call the Counter Service module in described SIM, so that described Counter Service module is sentenced
When the target instruction target word called in disconnected described intended application meets the trigger condition of described intended application locking, locking
The step of described intended application includes:
According to described instruction, whether the current state detecting described intended application is in the lock state；
If described intended application is not on lock-out state, then call the Counter Service in described SIM
Module, so that described Counter Service module judges that described instruction meets the triggering bar of described intended application locking
During part, lock described intended application.
The locking means of SIM the most according to claim 3 application, it is characterised in that described meter
Number device service module judges that the target instruction target word called in described intended application meets the locking of described intended application
During trigger condition, the step locking described intended application includes:
Described Counter Service module judges the call number of the target instruction target word called in described intended application
Whether reach the maximum preset of enumerator；
If reaching, then lock described intended application, and produce the response of lock onto target application.
The locking means of SIM the most according to claim 3 application, it is characterised in that described meter
Number device service module judges that the target instruction target word called in described intended application meets the locking of described intended application
During trigger condition, the step locking described intended application also includes:
Described Counter Service module judges the call number of the target instruction target word called in described intended application
Whether reach the alarming value of enumerator；Wherein, described alarming value is less than or equal to the preset maximum value of enumerator；
If reaching, then produce warning message.
6. the locking means applied according to the SIM described in claim 4 or 5, it is characterised in that also
Including: described Counter Service module is to enumerator platform or the count information of business platform coincidence counter.
7. the locking device of a SIM application, it is characterised in that including:
Acquisition module, for obtaining the instruction that the intended application in SIM is called by external entity；
Processing module, for according to described instruction, calls the Counter Service module in described SIM,
So that described Counter Service module judges that the target instruction target word called in described intended application meets described target
During the trigger condition that application locks, lock described intended application.
SIM the most according to claim 7 application locking device, it is characterised in that described in obtain
Delivery block:
Selecting unit, the selection called by external entity for obtaining the intended application in SIM instructs.
The locking device of SIM the most according to claim 7 application, it is characterised in that described place
Reason module includes:
Detector unit, for according to described instruction, whether the current state detecting described intended application is in lock
Determine state；
Processing unit, if being not on lock-out state for described intended application, then calls described SIM
In Counter Service module so that described Counter Service module judge described instruction meet described target should
During by the trigger condition locked, lock described intended application.
The locking device of SIM the most according to claim 9 application, it is characterised in that described
Processing unit includes:
First judgment sub-unit, is used for making described Counter Service module judge in described intended application and is called
Target instruction target word initiate number of times whether reach enumerator preset maximum；
Locking subelement, for making when the call number of described target instruction target word reaches described maximum, locks institute
State intended application, and produce the response of lock onto target application.
The locking device of 11. SIM according to claim 9 application, it is characterised in that described
Processing unit also includes:
Second judgment sub-unit, is used for making described Counter Service module judge in described intended application and is called
Target instruction target word initiate whether number of times reaches the alarming value of enumerator；Wherein, described alarming value less than or etc.
Preset maximum value in enumerator；
Alarm part-unit, for when the call number of described target instruction target word reaches described alarming value, produces report
Alarming information.
12. locking devices applied according to the SIM described in claim 10 or 11, it is characterised in that
Also include: synchronization module, be used for making described Counter Service module synchronize to enumerator platform or business platform
The count information of enumerator.
13. 1 kinds of SIMs, it is characterised in that include the SIM as described in any one of claim 7～12
The locking device of card application, and SIM application module sum counter service module.
14. 1 kinds of systems, it is characterised in that described system includes SIM as claimed in claim 13,
The external entity matched with described SIM, and the business platform that is connected with described SIM and counting
Device platform.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510324216.8A CN106255094B (en) | 2015-06-12 | 2015-06-12 | SIM card application locking method and device, SIM card and system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510324216.8A CN106255094B (en) | 2015-06-12 | 2015-06-12 | SIM card application locking method and device, SIM card and system |
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| Publication Number | Publication Date |
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| CN106255094A true CN106255094A (en) | 2016-12-21 |
| CN106255094B CN106255094B (en) | 2019-12-31 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111399946A (en) * | 2020-03-25 | 2020-07-10 | 中国联合网络通信集团有限公司 | Terminal application starting change control method and device, terminal and USIM |
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| US8490162B1 (en) * | 2011-09-29 | 2013-07-16 | Amazon Technologies, Inc. | System and method for recognizing malicious credential guessing attacks |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111399946A (en) * | 2020-03-25 | 2020-07-10 | 中国联合网络通信集团有限公司 | Terminal application starting change control method and device, terminal and USIM |
| CN111399946B (en) * | 2020-03-25 | 2023-03-24 | 中国联合网络通信集团有限公司 | Terminal application starting change control method and device, terminal and USIM |
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