CN105760790B - Mobile terminal storage card safety certifying method and device - Google Patents
Mobile terminal storage card safety certifying method and device Download PDFInfo
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- CN105760790B CN105760790B CN201610067145.2A CN201610067145A CN105760790B CN 105760790 B CN105760790 B CN 105760790B CN 201610067145 A CN201610067145 A CN 201610067145A CN 105760790 B CN105760790 B CN 105760790B
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- unlock code
- mobile terminal
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- storage card
- memory block
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- 238000000034 method Methods 0.000 title claims abstract description 34
- 230000006870 function Effects 0.000 description 7
- 238000004891 communication Methods 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 4
- 238000010168 coupling process Methods 0.000 description 3
- 238000005859 coupling reaction Methods 0.000 description 3
- 230000008878 coupling Effects 0.000 description 2
- 238000011161 development Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
Classifications
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F21/00—Security arrangements for protecting computers, components thereof, programs or data against unauthorised activity
- G06F21/70—Protecting specific internal or peripheral components, in which the protection of a component leads to protection of the entire computer
- G06F21/78—Protecting specific internal or peripheral components, in which the protection of a component leads to protection of the entire computer to assure secure storage of data
- G06F21/79—Protecting specific internal or peripheral components, in which the protection of a component leads to protection of the entire computer to assure secure storage of data in semiconductor storage media, e.g. directly-addressable memories
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F2221/00—Indexing scheme relating to security arrangements for protecting computers, components thereof, programs or data against unauthorised activity
- G06F2221/21—Indexing scheme relating to G06F21/00 and subgroups addressing additional information or applications relating to security arrangements for protecting computers, components thereof, programs or data against unauthorised activity
- G06F2221/2141—Access rights, e.g. capability lists, access control lists, access tables, access matrices
Abstract
A kind of mobile terminal storage card safety certifying method of offer of the embodiment of the present invention and device.This method includes：Obtain the corresponding First International's mobile identification number IMSI of current smart cards in mobile terminal current First International mobile device mark IMEI and mobile terminal；The first interim unlock code is generated according to the first IMEI and the first IMSI, the second interim unlock code is generated according to the first IMEI；Judge whether the first interim unlock code and the first unlock code to prestore are identical, if identical, unlocks the first memory block of storage card；Judge whether the second interim unlock code and the second unlock code to prestore are identical, if identical, unlocks the second memory block of storage card.The embodiment of the present invention carries out safety certification respectively to the storage region of storage card, improves the safety of mobile terminal storage card.
Description
Technical field
The present embodiments relate to field of communication technology more particularly to a kind of mobile terminal storage card safety certifying method and
Device.
Background technology
With the development of the communication technology, mobile terminal has become means of communication indispensable in people's daily life,
User can be transmitted short message, make a phone call, be communicated with the friend of oneself using application program.
In addition, can be equipped with the storage card of microminiature large capacity in mobile terminal, the storage card is for storing user's secret
Key data needed for data and encryption business, in order to ensure the peace of the key data needed for user's private data and encryption business
Quan Xing needs to carry out at safety certification the memory block for the key data being stored with needed for user's private data and encryption business
Reason.
The prior art releases the lock-out state of memory block to obtain in memory block by way of entry password password
Key data needed for user's private data and encryption business, still, the safety of entry password pin mode is relatively low, causes to move
The safety of dynamic terminal storage card is relatively low.
Invention content
A kind of mobile terminal storage card safety certifying method of offer of the embodiment of the present invention and device, are deposited with improving mobile terminal
The safety of card storage.
The one side of the embodiment of the present invention is to provide a kind of mobile terminal storage card safety certifying method, including：
Obtain current smart cards in the current First International mobile device mark IMEI of mobile terminal and the mobile terminal
Corresponding First International's mobile identification number IMSI；
The first interim unlock code is generated according to the first IMEI and the first IMSI, is generated according to the first IMEI
Second interim unlock code；
Judge whether the described first interim unlock code and the first unlock code to prestore are identical, if identical, unlock storage card
The first memory block；
Judge whether the described second interim unlock code and the second unlock code to prestore are identical, if identical, unlock storage card
The second memory block.
The other side of the embodiment of the present invention is to provide a kind of mobile terminal storage card safety certification device, including：
Acquisition module, for obtaining the current First International mobile device mark IMEI of mobile terminal and the mobile terminal
The corresponding First International's mobile identification number IMSI of middle current smart cards；
Computing module, for generating the first interim unlock code according to the first IMEI and the first IMSI, according to institute
It states the first IMEI and generates the second interim unlock code；
Judgment module, for judging whether the described first interim unlock code and the first unlock code to prestore are identical；Judge institute
Whether state the second interim unlock code identical as the second unlock code for prestoring；
Unlocked state, for unlocking storage card when the described first interim unlock code is identical as the first unlock code to prestore
First memory block；The second storage of storage card is unlocked when the described second interim unlock code is identical as the second unlock code to prestore
Area.
Mobile terminal storage card safety certifying method and device provided in an embodiment of the present invention, current according to mobile terminal
Corresponding first IMSI of current smart cards generates the first interim unlock code in first IMEI and mobile terminal, if the first interim unlock
Code is identical as the first unlock code to prestore, then unlocks the first memory block of storage card；First IMEI current according to mobile terminal
The second interim unlock code is generated, if the second interim unlock code is identical as the second unlock code to prestore, unlocks the second of storage card
Memory block carries out safety certification to the storage region of storage card, improves the safety of mobile terminal storage card respectively.
Description of the drawings
Fig. 1 is mobile terminal storage card safety certifying method flow chart provided in an embodiment of the present invention；
Fig. 2 is the mobile terminal storage card safety certifying method flow chart that another embodiment of the present invention provides；
Fig. 3 is the mobile terminal storage card safety certifying method flow chart that another embodiment of the present invention provides；
Fig. 4 is the structure chart of mobile terminal storage card safety certification device provided in an embodiment of the present invention.
Specific implementation mode
Fig. 1 is mobile terminal storage card safety certifying method flow chart provided in an embodiment of the present invention.The embodiment of the present invention
For releasing the lock-out state of memory block by way of entry password password to obtain user's private data in memory block
With the key data needed for encryption business, still, the safety of entry password pin mode is relatively low, leads to mobile terminal storage card
Safety it is relatively low, provide mobile terminal storage card safety certifying method, this method is as follows：
Step S101, obtain in the current First International mobile device mark IMEI of mobile terminal and the mobile terminal when
The corresponding First International's mobile identification number IMSI of preceding smart card；
In embodiments of the present invention, mobile terminal is equipped with storage card, which is specially to encrypt TF card, the storage card
It can be used in storing the key data needed for the encryption business of user's private data and mobile terminal, and storage card is divided into first
Memory block and the second memory block, the first memory block are used for the key data needed for the encryption business of memory mobile terminal, and second deposits
Storage area is for storing user's private data.
When mobile terminal service needs the encryption business for accessing user's private data and/or mobile terminal to need to access key
When data, obtains the current First International's mobile device of mobile terminal and identify (International Mobile Equipment
Identity, abbreviation IMEI) and the mobile terminal in the corresponding First International's mobile identification number of current smart cards
(International Mobile Subscriber Identification Number, abbreviation IMSI).
Step S102, the first interim unlock code is generated according to the first IMEI and the first IMSI, according to described the
One IMEI generates the second interim unlock code；
The first interim unlock code is generated according to the first IMEI and the first IMSI, is calculated specifically by the first encryption
Method generates the first interim unlock code according to the first IMEI and the first IMSI, and the first Encryption Algorithm can be the prior art
In any one Encryption Algorithm；The second interim unlock code is generated according to the first IMEI, is calculated specifically by the second encryption
Method according to the first IMEI generate the second interim unlock code, the second Encryption Algorithm can be it is in the prior art any one add
Close algorithm.First Encryption Algorithm and the second Encryption Algorithm may be the same or different.
Step S103, judge whether the described first interim unlock code and the first unlock code to prestore are identical, if identical, solve
Latch the first memory block of card storage；
First unlock code is the 2nd IMEI used in registration according to the mobile terminal and shifting when registering
The unlock code that corresponding 2nd IMSI of smart card is generated in dynamic terminal；Second unlock code is being noted according to the mobile terminal
The unlock code that the 2nd IMEI used when volume is generated.
The 2nd IMEI used in registration according to mobile terminal when mobile terminal is registered for the first time and shifting when registering
Corresponding 2nd IMSI of smart card generates the first unlock code in dynamic terminal, and the used in registration according to the mobile terminal
Two IMEI generate the second unlock code, and the first unlock code and the second unlock code are stored.
After obtaining the first interim unlock code, judge the described first interim unlock code and the first unlock code for prestoring whether phase
Together, if it is identical, the first memory block of storage card is unlocked, is allowed close in the first memory block of encryption Operational Visit of mobile terminal
Key data.
Step S104, judge whether the described second interim unlock code and the second unlock code to prestore are identical, if identical, solve
Latch the second memory block of card storage.
After obtaining the second interim unlock code, judge the described second interim unlock code and the second unlock code for prestoring whether phase
Together, if it is identical, the second memory block of storage card is unlocked, mobile terminal service is allowed to access user's secret in the second memory block
Data.
In embodiments of the present invention, the first current IMEI of mobile terminal and mobile terminal used in registration second
IMEI is identical, and corresponding first IMSI of current smart cards is corresponding with smart card in mobile terminal when registering in mobile terminal
The 2nd IMSI it is identical when, it is ensured that the first interim unlock code is identical as the first unlock code, the second interim unlock code with second solution
Code-locked is identical.
Current smart cards corresponding the in the first IMEI and mobile terminal current according to mobile terminal of the embodiment of the present invention
One IMSI generates the first interim unlock code and unlocks storage card if the first interim unlock code is identical as the first unlock code to prestore
The first memory block；First IMEI current according to mobile terminal generates the second interim unlock code, if the second interim unlock code with
The second unlock code to prestore is identical, then unlocks the second memory block of storage card, and safety is carried out respectively to the storage region of storage card
Certification improves the safety of mobile terminal storage card.
On the basis of the above embodiments, further include：If the first interim unlock code and the first unlock code for prestoring are not
Together, then the lock-out state of first memory block is kept；If the second interim unlock code is different from the second unlock code to prestore,
Then keep the lock-out state of second memory block.
It is described to judge whether the described first interim unlock code and the first unlock code to prestore are identical, if identical, solve latch
First memory block of card storage, including：It is described to judge whether the described first interim unlock code and the first unlock code to prestore are identical, if
It is identical, then the first memory block and the second memory block of storage card are unlocked simultaneously.
In the present invention is implemented, the security level of the first memory block is higher than the security level of the second memory block, when described the
When one interim unlock code is identical as the first unlock code to prestore, the first memory block and the second storage of storage card can be unlocked simultaneously
Area.
First unlock code is stored in first memory block, and second unlock code is stored in second storage
Area.The first unlock code and two unlock code are generated according to the method in above-described embodiment when mobile terminal is registered, and first is solved
Code-locked is stored under a certain path of the first memory block, and the second unlock code is stored under a certain path of the second memory block.
Whether the embodiment of the present invention is identical by judging the first interim unlock code and the first unlock code to prestore, if identical,
The first memory block and the second memory block for then unlocking storage card simultaneously, improve the safety certification efficiency of storage card.
Fig. 2 is the mobile terminal storage card safety certifying method flow chart that another embodiment of the present invention provides；The present invention is real
The mobile terminal storage card safety certifying method for applying example offer is as follows：
Step S201, according to mobile terminal in registration the 2nd IMEI that uses and smart card pair in mobile terminal when registration
The 2nd IMSI answered generates the first unlock code；
Step S202, current smart cards corresponding first in the first IMEI and mobile terminal current according to mobile terminal
IMSI generates the first interim unlock code；
Step S203, judge whether the first interim unlock code and the first unlock code are identical, if so, S205 is thened follow the steps,
Otherwise, step S204 is executed；
Step S204, the lock-out state of first memory block is kept；
Step S205, the first memory block of storage card is unlocked；
Step S206, the second buffer area of automatic unlocking.
Fig. 3 is the mobile terminal storage card safety certifying method flow chart that another embodiment of the present invention provides；The present invention is real
The mobile terminal storage card safety certifying method for applying example offer is as follows：
Step S301, the 2nd IMEI used in registration according to mobile terminal generates the second unlock code；
Step S302, the first current according to mobile terminal IMEI generates the second interim unlock code；
Step S303, judge whether the second interim unlock code and the second unlock code are identical, if so, step S305 is gone to,
Otherwise, step S304 is gone to；
Step S304, the lock-out state of second memory block is kept；
Step S305, the second memory block of storage card is unlocked.
Current smart cards corresponding the in the first IMEI and mobile terminal current according to mobile terminal of the embodiment of the present invention
One IMSI generates the first interim unlock code and unlocks storage card if the first interim unlock code is identical as the first unlock code to prestore
The first memory block；First IMEI current according to mobile terminal generates the second interim unlock code, if the second interim unlock code with
The second unlock code to prestore is identical, then unlocks the second memory block of storage card, and safety is carried out respectively to the storage region of storage card
Certification improves the safety of mobile terminal storage card.
Fig. 4 is the structure chart of mobile terminal storage card safety certification device provided in an embodiment of the present invention.The present invention is implemented
The mobile terminal storage card safety certification device that example provides can execute mobile terminal storage card safety certifying method embodiment and carry
The process flow of confession, as shown in figure 4, mobile terminal storage card safety certification device 40 include acquisition module 41, computing module 42,
Judgment module 43 and unlocked state 44, wherein acquisition module 41 is for obtaining the current First International's mobile device of mobile terminal
Identify the corresponding First International's mobile identification number IMSI of current smart cards in IMEI and the mobile terminal；Computing module 42
For generating the first interim unlock code according to the first IMEI and the first IMSI, second is generated according to the first IMEI
Interim unlock code；Judgment module 43 is for judging whether the described first interim unlock code and the first unlock code to prestore are identical；Sentence
Whether the second interim unlock code of breaking and the second unlock code to prestore are identical；Unlocked state 44 is used for when the described first interim solution
The first memory block of storage card is unlocked when code-locked is identical as the first unlock code to prestore；When the described second interim unlock code with prestore
The second unlock code it is identical when unlock storage card the second memory block.
Current smart cards corresponding the in the first IMEI and mobile terminal current according to mobile terminal of the embodiment of the present invention
One IMSI generates the first interim unlock code and unlocks storage card if the first interim unlock code is identical as the first unlock code to prestore
The first memory block；First IMEI current according to mobile terminal generates the second interim unlock code, if the second interim unlock code with
The second unlock code to prestore is identical, then unlocks the second memory block of storage card, and safety is carried out respectively to the storage region of storage card
Certification improves the safety of mobile terminal storage card.
On the basis of the above embodiments, unlocked state 44 is additionally operable to work as the described first interim unlock code and prestore first
The lock-out state of first memory block is kept when unlock code differs；When the described second interim unlock code and the second solution to prestore
The lock-out state of second memory block is kept when code-locked differs.
First unlock code is the 2nd IMEI used in registration according to the mobile terminal and shifting when registering
The unlock code that corresponding 2nd IMSI of smart card is generated in dynamic terminal；Second unlock code is being noted according to the mobile terminal
The unlock code that the 2nd IMEI used when volume is generated.
Unlocked state 44 is additionally operable to unlock simultaneously when the described first interim unlock code is identical as the first unlock code to prestore
The first memory block and the second memory block of storage card.
First unlock code is stored in first memory block, and second unlock code is stored in second storage
Area.
Mobile terminal storage card safety certification device provided in an embodiment of the present invention can be specifically used for executing above-mentioned Fig. 1 institutes
The embodiment of the method for offer, details are not described herein again for concrete function.
Whether the embodiment of the present invention is identical by judging the first interim unlock code and the first unlock code to prestore, if identical,
The first memory block and the second memory block for then unlocking storage card simultaneously, improve the safety certification efficiency of storage card.
In conclusion current smart cards in the first IMEI and mobile terminal of foundation of embodiment of the present invention mobile terminal currently
Corresponding first IMSI generates the first interim unlock code and is solved if the first interim unlock code is identical as the first unlock code to prestore
Latch the first memory block of card storage；First IMEI current according to mobile terminal generates the second interim unlock code, if second is interim
Unlock code is identical as the second unlock code to prestore, then unlocks the second memory block of storage card, distinguishes the storage region of storage card
Safety certification is carried out, the safety of mobile terminal storage card is improved；By judge the first interim unlock code with prestore first
Whether unlock code is identical, if identical, unlock the first memory block and the second memory block of storage card simultaneously, improves storage card
Safety certification efficiency.
In several embodiments provided by the present invention, it should be understood that disclosed device and method can pass through it
Its mode is realized.For example, the apparatus embodiments described above are merely exemplary, for example, the division of the unit, only
Only a kind of division of logic function, formula that in actual implementation, there may be another division manner, such as multiple units or component can be tied
Another system is closed or is desirably integrated into, or some features can be ignored or not executed.Another point, it is shown or discussed
Mutual coupling, direct-coupling or communication connection can be the INDIRECT COUPLING or logical by some interfaces, device or unit
Letter connection can be electrical, machinery or other forms.
The unit illustrated as separating component may or may not be physically separated, aobvious as unit
The component shown may or may not be physical unit, you can be located at a place, or may be distributed over multiple
In network element.Some or all of unit therein can be selected according to the actual needs to realize the mesh of this embodiment scheme
's.
In addition, each functional unit in each embodiment of the present invention can be integrated in a processing unit, it can also
It is that each unit physically exists alone, it can also be during two or more units be integrated in one unit.Above-mentioned integrated list
The form that hardware had both may be used in member is realized, can also be realized in the form of hardware adds SFU software functional unit.
The above-mentioned integrated unit being realized in the form of SFU software functional unit can be stored in one and computer-readable deposit
In storage media.Above-mentioned SFU software functional unit is stored in a storage medium, including some instructions are used so that a computer
It is each that equipment (can be personal computer, server or the network equipment etc.) or processor (processor) execute the present invention
The part steps of embodiment the method.And storage medium above-mentioned includes：USB flash disk, mobile hard disk, read-only memory (Read-
Only Memory, ROM), random access memory (Random Access Memory, RAM), magnetic disc or CD etc. it is various
The medium of program code can be stored.
Those skilled in the art can be understood that, for convenience and simplicity of description, only with above-mentioned each function module
Division progress for example, in practical application, can be complete by different function modules by above-mentioned function distribution as needed
At the internal structure of device being divided into different function modules, to complete all or part of the functions described above.On
The specific work process for stating the device of description, can refer to corresponding processes in the foregoing method embodiment, and details are not described herein.
Finally it should be noted that：The above embodiments are only used to illustrate the technical solution of the present invention., rather than its limitations；To the greatest extent
Present invention has been described in detail with reference to the aforementioned embodiments for pipe, it will be understood by those of ordinary skill in the art that：Its according to
So can with technical scheme described in the above embodiments is modified, either to which part or all technical features into
Row equivalent replacement；And these modifications or replacements, various embodiments of the present invention technology that it does not separate the essence of the corresponding technical solution
The range of scheme.
Claims (10)
1. a kind of mobile terminal storage card safety certifying method, which is characterized in that including：
Current smart cards in the current First International mobile device mark IMEI of mobile terminal and the mobile terminal are obtained to correspond to
First International mobile identification number IMSI；
The first interim unlock code is generated according to the first IMEI and the first IMSI, second is generated according to the first IMEI
Interim unlock code；
Judge whether the described first interim unlock code and the first unlock code to prestore are identical, if identical, unlocks the of storage card
One memory block；
Judge whether the described second interim unlock code and the second unlock code to prestore are identical, if identical, unlocks the of storage card
Two memory blocks.
2. according to the method described in claim 1, it is characterized in that, further including：
If the first interim unlock code is different from the first unlock code to prestore, the locking shape of first memory block is kept
State；
If the second interim unlock code is different from the second unlock code to prestore, the locking shape of second memory block is kept
State.
3. according to the method described in claim 2, it is characterized in that, first unlock code is being noted according to the mobile terminal
The unlock code that the 2nd IMEI used when volume twoth IMSIs corresponding with smart card in mobile terminal when registration is generated；
Second unlock code is the unlock code that the 2nd IMEI used in registration according to the mobile terminal is generated.
4. according to the method described in claim 3, it is characterized in that, for judging the first interim unlock code and prestoring
Whether one unlock code is identical, if identical, unlocks the first memory block of storage card, including：
Judge whether the described first interim unlock code and the first unlock code to prestore are identical, if identical, unlocks storage card simultaneously
The first memory block and the second memory block.
5. according to claim 1-4 any one of them methods, which is characterized in that first unlock code is stored in described first
Memory block, second unlock code are stored in second memory block.
6. a kind of mobile terminal storage card safety certification device, which is characterized in that including：
Acquisition module, for obtain in the current First International mobile device mark IMEI of mobile terminal and the mobile terminal when
The corresponding First International's mobile identification number IMSI of preceding smart card；
Computing module, for generating the first interim unlock code according to the first IMEI and the first IMSI, according to described the
One IMEI generates the second interim unlock code；
Judgment module, for judging whether the described first interim unlock code and the first unlock code to prestore are identical；Judge described
Whether two interim unlock code and the second unlock code to prestore are identical；
Unlocked state, first for unlocking storage card when the described first interim unlock code is identical as the first unlock code to prestore
Memory block；The second memory block of storage card is unlocked when the described second interim unlock code is identical as the second unlock code to prestore.
7. mobile terminal storage card safety certification device according to claim 6, which is characterized in that the unlocked state is also
Locking shape for keeping first memory block when the described first interim unlock code is differed with the first unlock code to prestore
State；The locking shape of second memory block is kept when the described second interim unlock code and the second unlock code to prestore differ
State.
8. mobile terminal storage card safety certification device according to claim 7, which is characterized in that first unlock code
Be according to the mobile terminal in registration smart card corresponding the in the 2nd IMEI that uses and while registering mobile terminal
The unlock code that two IMSI are generated；
Second unlock code is the unlock code that the 2nd IMEI used in registration according to the mobile terminal is generated.
9. mobile terminal storage card safety certification device according to claim 8, which is characterized in that the unlocked state is also
The first memory block for unlocking storage card simultaneously when the described first interim unlock code is identical as the first unlock code to prestore and
Second memory block.
10. according to claim 6-9 any one of them mobile terminal storage card safety certification devices, which is characterized in that described
First unlock code is stored in first memory block, and second unlock code is stored in second memory block.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201610067145.2A CN105760790B (en) | 2016-01-29 | 2016-01-29 | Mobile terminal storage card safety certifying method and device |
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| CN201610067145.2A CN105760790B (en) | 2016-01-29 | 2016-01-29 | Mobile terminal storage card safety certifying method and device |
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| CN105760790B true CN105760790B (en) | 2018-10-30 |
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| CN108959982B (en) * | 2018-07-06 | 2021-08-24 | 江苏北弓智能科技有限公司 | Mobile terminal file encryption and decryption system and method based on hardware encryption TF card |
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| CN102263846A (en) * | 2011-08-15 | 2011-11-30 | 中兴通讯股份有限公司 | User information storing method and device |
| CN102307255A (en) * | 2011-08-15 | 2012-01-04 | 中兴通讯股份有限公司 | Mobile phone and subscriber information storage method thereof |
| CN103413102A (en) * | 2013-08-30 | 2013-11-27 | 深圳市中兴移动通信有限公司 | Secret data management device and secret data management method as well as mobile terminal |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1168185A3 (en) * | 2000-05-08 | 2004-01-02 | Nokia Corporation | Method for protecting a memory card, and a memory card |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102263846A (en) * | 2011-08-15 | 2011-11-30 | 中兴通讯股份有限公司 | User information storing method and device |
| CN102307255A (en) * | 2011-08-15 | 2012-01-04 | 中兴通讯股份有限公司 | Mobile phone and subscriber information storage method thereof |
| CN103413102A (en) * | 2013-08-30 | 2013-11-27 | 深圳市中兴移动通信有限公司 | Secret data management device and secret data management method as well as mobile terminal |
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