CN107516215A - The intelligent POS terminal and method of PIN code can be inputted safely - Google Patents
The intelligent POS terminal and method of PIN code can be inputted safely Download PDFInfo
- Publication number
- CN107516215A CN107516215A CN201710612456.7A CN201710612456A CN107516215A CN 107516215 A CN107516215 A CN 107516215A CN 201710612456 A CN201710612456 A CN 201710612456A CN 107516215 A CN107516215 A CN 107516215A
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- China
- Prior art keywords
- touch
- screen
- signal port
- pin code
- switching switch
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06Q—INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES; SYSTEMS OR METHODS SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES, NOT OTHERWISE PROVIDED FOR
- G06Q20/00—Payment architectures, schemes or protocols
- G06Q20/38—Payment protocols; Details thereof
- G06Q20/40—Authorisation, e.g. identification of payer or payee, verification of customer or shop credentials; Review and approval of payers, e.g. check credit lines or negative lists
- G06Q20/401—Transaction verification
- G06Q20/4012—Verifying personal identification numbers [PIN]
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
- G06F3/03—Arrangements for converting the position or the displacement of a member into a coded form
- G06F3/041—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means
- G06F3/0416—Control or interface arrangements specially adapted for digitisers
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06Q—INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES; SYSTEMS OR METHODS SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES, NOT OTHERWISE PROVIDED FOR
- G06Q20/00—Payment architectures, schemes or protocols
- G06Q20/08—Payment architectures
- G06Q20/20—Point-of-sale [POS] network systems
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06Q—INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES; SYSTEMS OR METHODS SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES, NOT OTHERWISE PROVIDED FOR
- G06Q20/00—Payment architectures, schemes or protocols
- G06Q20/38—Payment protocols; Details thereof
- G06Q20/382—Payment protocols; Details thereof insuring higher security of transaction
-
- G—PHYSICS
- G07—CHECKING-DEVICES
- G07G—REGISTERING THE RECEIPT OF CASH, VALUABLES, OR TOKENS
- G07G1/00—Cash registers
- G07G1/12—Cash registers electronically operated
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L9/00—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols
- H04L9/32—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols including means for verifying the identity or authority of a user of the system or for message authentication, e.g. authorization, entity authentication, data integrity or data verification, non-repudiation, key authentication or verification of credentials
- H04L9/3226—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols including means for verifying the identity or authority of a user of the system or for message authentication, e.g. authorization, entity authentication, data integrity or data verification, non-repudiation, key authentication or verification of credentials using a predetermined code, e.g. password, passphrase or PIN
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- Engineering & Computer Science (AREA)
- Business, Economics & Management (AREA)
- Accounting & Taxation (AREA)
- General Physics & Mathematics (AREA)
- Physics & Mathematics (AREA)
- Theoretical Computer Science (AREA)
- Computer Security & Cryptography (AREA)
- Finance (AREA)
- Strategic Management (AREA)
- General Business, Economics & Management (AREA)
- General Engineering & Computer Science (AREA)
- Human Computer Interaction (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Cash Registers Or Receiving Machines (AREA)
Abstract
The invention discloses a kind of intelligent POS terminal and method that can input PIN code safely, it is related to POS terminal field, including touch-screen, application processor and safe processor, application processor is connected with safe processor, intelligent POS terminal also includes touch-screen switching switch, touch-screen switching switch includes first state and the second state, safe processor is used to control touch-screen switching switch to switch between the first state and a second state, when touch-screen switching switch is in first state, touch-screen is isolated with application processor, when touch-screen switching switch is in the second state, touch-screen connects with application processor.The present invention can ensure that user security inputs PIN code information.
Description
Technical field
The present invention relates to POS terminal field, and in particular to a kind of intelligent POS terminal and method that can input PIN code safely.
Background technology
In modern society, bankcard consumption has been popularized, and the application of POS (Point Of Sale) terminal is very universal, in business
The places such as field, dining room, hotel, hospital can see its figure.Traditional POS is used using the proprietary operating system of each manufacturer
Person can not ensure that POS security with being intended to install application thereon.
And with the development of POS terminal technology, in the market occurs based on Android that (Android is that one kind is based on
Linux freedom and the operating system of open source code, are mainly used for mobile device, such as smart mobile phone and tablet personal computer, by
Google companies and open mobile phone alliance leader and exploitation) intelligent operating system such as operation intelligent POS.These intelligent operation systems
System is a kind of operating system of opening, and user can arbitrarily install application, also be highly susceptible to attacking for various computer viruses
Hit, be a unsafe environment.This intelligent POS does not have special code keypad, user PIN (bank card password) input
Directly carried out on the touch-screen of terminal.The malice in intelligent operating system may be hidden by so resulting in the password of user
Software is stolen, and threatens user PIN safety.Even if by means such as random alignment keyboard digitals, can not also solve this prestige
The side of body because substantially, the input coordinate information of user be obtained by intelligent operating system, user PIN still exists in intelligent behaviour
Make system, cause user PIN still to have the risk being stolen.
The content of the invention
For defect present in prior art, it can ensure that user's PIN code is defeated it is an object of the invention to provide one kind
Enter the safe intelligent POS terminal that can input PIN code safely.
To achieve the above objectives, the present invention adopts the technical scheme that：
A kind of intelligent POS terminal that can input PIN code safely, including touch-screen, application processor and safe processor, institute
State application processor with safe processor to be connected, the intelligent POS terminal also includes touch-screen switching switch, and the touch-screen is cut
Changing switch includes first state and the second state, the safe processor be used to controlling touch-screen switching switch first state with
Switched between second state, when touch-screen switching switch is in first state, the touch-screen is handled with application
Device is isolated, and when touch-screen switching switch is in the second state, the touch-screen connects with application processor.
On the basis of above-mentioned technical proposal, the touch-screen switching switch includes the first signal port, secondary signal end
Mouthful, the 3rd signal port and control port, first signal port be connected with the touch-screen, the secondary signal port and
The application processor is connected, and the 3rd signal port and control port are connected with the safe processor, the safety
Processor is used to control the first signal port to electrically connect and control the first signal end with secondary signal port by control port
Mouthful electrically connect with the 3rd signal port, when touch-screen switching, which switchs, is in first state, first signal port and
3rd signal port is electrically connected, and the touch-screen is isolated with application processor, when touch-screen switching switch is in the second shape
During state, first signal port electrically connects with secondary signal port, and the touch-screen connects with application processor.
On the basis of above-mentioned technical proposal, the intelligent POS terminal also includes tamper module, the tamper module and institute
State safe processor to be connected, the tamper module is used to produce signal when intelligent POS terminal is opened to safe processor.
On the basis of above-mentioned technical proposal, the intelligent POS terminal also includes card reading module.
On the basis of above-mentioned technical proposal, the card reading module includes contact card reading unit, contactless Card Reader list
Member and magnetic stripe card card reading unit.
On the basis of above-mentioned technical proposal, the contact card reading unit includes contact card deck and contact card neck.
On the basis of above-mentioned technical proposal, the contactless card reading unit includes contactless Card Reader chip and line
Circle.
On the basis of above-mentioned technical proposal, the magnetic stripe card card reading unit includes magnetic head and magnetic stripe card card-brushing groove.
At the same time, the present invention also aims to provide a kind of method that can ensure user's PIN code input safety.
To achieve the above objectives, the present invention adopts the technical scheme that：
A kind of method that intelligent POS terminal inputs safely PIN code, this method comprise the following steps：
When needing to input PIN code, safe processor control touch-screen switching switch, switching switch by touch-screen makes to touch
Screen is touched with application processor to isolate；
After inputting PIN code, safe processor obtains the PIN code information of input by touch-screen；
Safe processor encrypts PIN code information, and the PIN code information after encryption is sent to application processor；And
Safe processor control touch-screen switching switch, switching switch by touch-screen makes touch-screen connect with application processor
It is logical.
On the basis of above-mentioned technical proposal, the touch-screen switching switch includes the first signal port, secondary signal end
Mouthful, the 3rd signal port and control port, first signal port be connected with the touch-screen, the secondary signal port and
The application processor is connected, and the 3rd signal port and control port are connected with the safe processor, defeated when needing
When entering PIN code, the safe processor makes the first signal port be electrically connected with the 3rd signal port by control port, makes touch
Screen is isolated with application processor.
Compared with prior art, the advantage of the invention is that：
The method that intelligent POS terminal in the present invention inputs safely PIN code, before user's PIN code is inputted, safe handling
Device sends control signal and switches switch to touch-screen, and the data-signal of touch-screen is switched into safe processor.Now, using place
Reason device can not obtain the click coordinate of user on the touchscreen, so as to prevent the rogue program on application processor from stealing user
PIN code.After the completion of user inputs, safe processor is then forwarded to after the PIN of user is encrypted by AES at
Device is managed, ensures the safety of user's PIN code.
Brief description of the drawings
Fig. 1 is the structured flowchart for the intelligent POS terminal that can input PIN code in the present invention safely；
Fig. 2 is the inside connection diagram of touch-screen and display screen in the present invention.
Embodiment
The present invention is described in further detail below in conjunction with accompanying drawing.
Shown in Figure 1, the present invention provides a kind of intelligent POS terminal that can input PIN code safely, it include touch-screen,
Application processor, safe processor and touch-screen switching switch.
Wherein, application processor is connected with safe processor, carries out data transmission between each other, transmission information.POS's
In business processing, by application processor control business flow.Intelligent POS terminal also includes the display being connected with application processor
Screen, communication module, camera, printer, loudspeaker and external interface module.Application processor is operated by running universal intelligent
System, the operation of control display screen, communication module, camera, printer, loudspeaker and external interface module.
Communication module is typically the wireless communication modules such as GPRS (General Packet Radio Service) or WiFi.
External interface module is disposed on the wireline interface on shell, generally there is USB (Universal Serial Bus, general serial
Bus) etc..Loudspeaker is used for the broadcasting of sound.Printer is used to print transaction sales slip.Camera is used to scan one-dimension code, two
Code etc. is tieed up, and display screen is used for display information.
Intelligent POS terminal also includes the tamper module being connected with safe processor and card reading module, safe processor then lead to
System safe for operation is crossed, to control tamper module and card reading module is run and obtains sensitive information (such as bank in encryption business
Card card number, bank card password etc.), the safe condition of maintained equipment.
When intelligent POS terminal is opened, tamper module can produce signal and be set to safe processor, safe processor locking
Key that is standby and removing preservation in equipment, plays a protective role.
Card reading module in the present invention includes contact card reading unit, contactless card reading unit and magnetic stripe card Card Reader list
Member.Wherein, contact card reading unit includes contact card deck and contact card neck, for reading the information of contact fiscard.
Contactless card reading unit includes contactless Card Reader chip and coil, and it is contactless to read to send wireless signal by coil
The information of card.Magnetic stripe card card reading unit includes magnetic head and magnetic stripe card card-brushing groove, for reading the magnetic track information of magnetic stripe card.
Touch-screen switching switch includes first state and the second state, and safe processor is used to control touch-screen switching switch
Switch between the first state and a second state, when touch-screen switching switch is in first state, touch-screen and application
Processor is isolated, and when touch-screen switching switch is in the second state, touch-screen connects with application processor.
Specifically, referring also to shown in Fig. 2, touch-screen switching switch is a kind of electronic switch, and it includes the first signal end
Mouth, secondary signal port, the 3rd signal port and control port.First signal port, secondary signal port, the 3rd signal port
S1, S2, S3 and C are denoted as respectively in figure with control port.First signal port S1 is connected with touch-screen, secondary signal end
Mouth S2 is connected with application processor, and the 3rd signal port S3 and control port C are connected with safe processor, and safe processor is used
In by control port control the first signal port S1 electrically connect and control the first signal port S1 with secondary signal port S2
With the 3rd signal port S3 electrical connection, when touch-screen switching switch is in first state, the first signal port S1 and the 3rd
Signal port S3 is electrically connected, and touch-screen is isolated with application processor, when touch-screen switching switch is in the second state, the first letter
Number port S1 electrically connects with secondary signal port S2, and touch-screen connects with application processor.
Touch-screen can obtain click coordinate information of the user on screen.In structure, touch-screen is usually placed in display screen
Surface, size are identical with rate respectively.On physical circuit, switched by touch-screen and switched, touch screen signal is switched into peace
Full processor, touch-screen is entered into isolating for horizontal electrical signal with application processor, application processor can not be being obtained touch completely
Shield signal, so as to ensure that user inputs PIN security.
Intelligent POS terminal also includes power module, and power module is connected with application processor and safe processor, for intelligence
Electric energy needed for POS terminal supply.
The present invention provides a kind of method that intelligent POS terminal inputs safely PIN code, and this method comprises the following steps：
S1. when needing to input PIN code, safe processor control touch-screen switching switch, switched by touch-screen and switched
Touch-screen is set to isolate with application processor；
Specifically, touch-screen switching switch includes the first signal port, secondary signal port, the 3rd signal port and control
Port, the first signal port are connected with touch-screen, and secondary signal port is connected with application processor, the 3rd signal port and control
Port is connected with safe processor, and when needing to input PIN code, safe processor makes the first signal port by control port
Electrically connected with the 3rd signal port, touch-screen is isolated with application processor.
S2. after inputting PIN code, safe processor obtains the PIN code information of input by touch-screen；
Before PIN code is inputted, application processor generation keyboard layout, keyboard layout include each button of keyboard coordinate and
Width, height.
Application processor by the coordinate of each button of keyboard layout and width, be highly sent to safe processor, and root
According to keyboard layout, keyboard is shown on a display screen.
After touch-screen is isolated with application processor, safe processor obtains the input coordinate of user on the touchscreen, root
The key value of input is drawn according to coordinate and keyboard layout.
By taking button " 1 " as an example, when user's point touching screen, touch-screen obtains click coordinate (x0, y0).Then, safety
Processor according to the coordinate (x, y), wide w, high h of button " 1 " can judge (x0, y0) whether fall in button " 1 " where area
Domain, if, then it represents that user clicks button " 1 "；Other buttons are similarly.So as in this way so that safe processor
The PIN code information of input is obtained by touch-screen.
S3. safe processor encrypts PIN code information, and the PIN code information after encryption is sent to application processor；
S4. safe processor control touch-screen switching switch, switching switch by touch-screen makes touch-screen be handled with application
Device connects.
The method that intelligent POS terminal in the present invention inputs safely PIN code, before user's PIN code is inputted, safe handling
Device sends control signal and switches switch to touch-screen, and the data-signal of touch-screen is switched into safe processor.Now, using place
Reason device can not obtain the click coordinate of user on the touchscreen, so as to prevent the rogue program on application processor from stealing user
PIN code.After the completion of user inputs, safe processor is then forwarded to after the PIN of user is encrypted by AES at
Device is managed, ensures the safety of user's PIN code.
The present invention is not limited to the above-described embodiments, for those skilled in the art, is not departing from
On the premise of the principle of the invention, some improvements and modifications can also be made, these improvements and modifications are also considered as the protection of the present invention
Within the scope of.The content not being described in detail in this specification belongs to prior art known to professional and technical personnel in the field.
Claims (10)
1. a kind of intelligent POS terminal that can input PIN code safely, including touch-screen, application processor and safe processor, described
Application processor is connected with safe processor, it is characterised in that：The intelligent POS terminal also includes touch-screen switching switch, institute
Stating touch-screen switching switch includes first state and the second state, and the safe processor is used to control touch-screen switching switch to exist
Switched between first state and the second state, when touch-screen switching switch is in first state, the touch-screen
Isolate with application processor, when touch-screen switching switch is in the second state, the touch-screen connects with application processor
It is logical.
2. the intelligent POS terminal of PIN code can be inputted safely as claimed in claim 1, it is characterised in that：The touch-screen switching
Switch includes the first signal port, secondary signal port, the 3rd signal port and control port, first signal port and institute
State touch-screen to be connected, the secondary signal port is connected with the application processor, the 3rd signal port and control port
It is connected with the safe processor, the safe processor is used to control the first signal port and the second letter by control port
The electrical connection of number port and the first signal port of control electrically connect with the 3rd signal port, are in when the touch-screen switches switch
During first state, first signal port is electrically connected with the 3rd signal port, and the touch-screen is isolated with application processor, when
When the touch-screen switching switch is in the second state, first signal port electrically connects with secondary signal port, described to touch
Screen is touched to connect with application processor.
3. the intelligent POS terminal of PIN code can be inputted safely as claimed in claim 1, it is characterised in that：The intelligent POS is whole
End also includes tamper module, and the tamper module is connected with the safe processor, and the tamper module is used for whole in intelligent POS
Signal is produced when end is opened to safe processor.
4. the intelligent POS terminal of PIN code can be inputted safely as claimed in claim 1, it is characterised in that：The intelligent POS is whole
End also includes card reading module.
5. the intelligent POS terminal of PIN code can be inputted safely as claimed in claim 4, it is characterised in that：The card reading module bag
Include contact card reading unit, contactless card reading unit and magnetic stripe card card reading unit.
6. the intelligent POS terminal of PIN code can be inputted safely as claimed in claim 5, it is characterised in that：The contact Card Reader
Unit includes contact card deck and contact card neck.
7. the intelligent POS terminal of PIN code can be inputted safely as claimed in claim 5, it is characterised in that：The contactless reading
Card unit includes contactless Card Reader chip and coil.
8. the intelligent POS terminal of PIN code can be inputted safely as claimed in claim 5, it is characterised in that：The magnetic stripe card Card Reader
Unit includes magnetic head and magnetic stripe card card-brushing groove.
9. a kind of method that intelligent POS terminal inputs safely PIN code, it is characterised in that this method comprises the following steps：
When needing to input PIN code, safe processor control touch-screen switching switch, switching switch by touch-screen makes touch-screen
Isolate with application processor；
After inputting PIN code, safe processor obtains the PIN code information of input by touch-screen；
Safe processor encrypts PIN code information, and the PIN code information after encryption is sent to application processor；And
Safe processor control touch-screen switching switch, switching switch by touch-screen makes touch-screen be connected with application processor.
10. method as claimed in claim 9, it is characterised in that：Touch-screen switching switch includes the first signal port, the
Binary signal port, the 3rd signal port and control port, first signal port are connected with the touch-screen, second letter
Number port is connected with the application processor, and the 3rd signal port and control port are connected with the safe processor,
When needing to input PIN code, the safe processor makes the first signal port be electrically connected with the 3rd signal port by control port
Connect, touch-screen is isolated with application processor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710612456.7A CN107516215B (en) | 2017-07-25 | 2017-07-25 | Intelligent POS terminal and method capable of safely inputting PIN code |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710612456.7A CN107516215B (en) | 2017-07-25 | 2017-07-25 | Intelligent POS terminal and method capable of safely inputting PIN code |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107516215A true CN107516215A (en) | 2017-12-26 |
| CN107516215B CN107516215B (en) | 2020-12-25 |
Family
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| Application Number | Title | Priority Date | Filing Date |
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| CN201710612456.7A Active CN107516215B (en) | 2017-07-25 | 2017-07-25 | Intelligent POS terminal and method capable of safely inputting PIN code |
Country Status (1)
| Country | Link |
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| CN (1) | CN107516215B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112036860A (en) * | 2020-08-31 | 2020-12-04 | 深圳市兆珑科技有限公司 | Safety device |
| CN112462980A (en) * | 2020-12-15 | 2021-03-09 | 深圳市捷诚技术服务有限公司 | Password interception preventing method and device and POS machine |
| CN114296860A (en) * | 2021-12-31 | 2022-04-08 | 飞天诚信科技股份有限公司 | Method and apparatus for preventing processing of a secure processor from being interrupted |
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| CN205540909U (en) * | 2016-02-05 | 2016-08-31 | 北京微智全景信息技术有限公司 | Intelligence POS machine security module |
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| CN106651379A (en) * | 2016-11-17 | 2017-05-10 | 北京小米移动软件有限公司 | Payment method and device |
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| US20150061826A1 (en) * | 2013-08-30 | 2015-03-05 | Cylon Global Technology Inc. | Apparatus and methods for identity verification |
| CN205540909U (en) * | 2016-02-05 | 2016-08-31 | 北京微智全景信息技术有限公司 | Intelligence POS machine security module |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112036860A (en) * | 2020-08-31 | 2020-12-04 | 深圳市兆珑科技有限公司 | Safety device |
| CN112462980A (en) * | 2020-12-15 | 2021-03-09 | 深圳市捷诚技术服务有限公司 | Password interception preventing method and device and POS machine |
| CN114296860A (en) * | 2021-12-31 | 2022-04-08 | 飞天诚信科技股份有限公司 | Method and apparatus for preventing processing of a secure processor from being interrupted |
| CN114296860B (en) * | 2021-12-31 | 2024-04-16 | 飞天诚信科技股份有限公司 | Method and apparatus for preventing disruption of processing by a secure processor |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107516215B (en) | 2020-12-25 |
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