CN109656606A - POS terminal program more new control method, device, storage medium and terminal - Google Patents
POS terminal program more new control method, device, storage medium and terminal Download PDFInfo
- Publication number
- CN109656606A CN109656606A CN201811537344.0A CN201811537344A CN109656606A CN 109656606 A CN109656606 A CN 109656606A CN 201811537344 A CN201811537344 A CN 201811537344A CN 109656606 A CN109656606 A CN 109656606A
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- program
- pos terminal
- safety chip
- described program
- memory
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F8/00—Arrangements for software engineering
- G06F8/60—Software deployment
- G06F8/65—Updates
- G06F8/654—Updates using techniques specially adapted for alterable solid state memories, e.g. for EEPROM or flash memories
-
- 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
- G06F21/60—Protecting data
- G06F21/64—Protecting data integrity, e.g. using checksums, certificates or signatures
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F8/00—Arrangements for software engineering
- G06F8/60—Software deployment
- G06F8/65—Updates
- G06F8/656—Updates while running
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- Engineering & Computer Science (AREA)
- Theoretical Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Software Systems (AREA)
- Computer Security & Cryptography (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Bioethics (AREA)
- General Health & Medical Sciences (AREA)
- Computer Hardware Design (AREA)
- Storage Device Security (AREA)
- Stored Programmes (AREA)
Abstract
The present invention provides a kind of POS terminal program more new control method, and the POS terminal includes external interface, safety chip and main control chip, safety chip described in the external interface default connection, which comprises authenticate to the identity of operator；If authentication passes through, the external interface switching is connected to the main control chip；Program is downloaded by the main control chip and is updated into memory；The safety chip verifies the described program in the memory；If described program verification passes through, the normal operation described program of the POS terminal.The present invention also provides a kind of POS terminal program update control apparatus, storage medium and POS terminals.The present invention can reduce development cost and improve safety.
Description
Technical field
The present invention relates to electronic technology field more particularly to a kind of POS terminal program more new control methods, device, storage
Medium and POS terminal.
Background technique
POS (point of sale, point of sale) terminal is a kind of multi-functional terminal end, it is mounted on the contributing of credit card
It trade company and accepts in site and is unified into network with computer, can be achieved with electronic funds and transfer accounts automatically, it, which has, supports consumption, pre-granted
Power, inquiry into balance and the functions such as transfer accounts, use safely, quickly, reliably.
Current POS terminal generally comprises main control chip and safety chip, and safety chip can be safe CPU, safety
Highest.Existing POS terminal needs to download by safety chip and pass after the legitimacy of checking routine when downloading more new procedures
Arrive main control chip thoroughly, therefore, the frame of the download part of main control chip needs to modify, more troublesome, development cost it is very high and
Risk is larger.
Summary of the invention
In consideration of it, it is necessary to provide a kind of POS terminal program more new control method, device, storage medium and POS ends
End reduces development cost and improves safety.
The present invention provides a kind of POS terminal program more new control method, and the POS terminal includes external interface, safe core
Piece and main control chip, safety chip described in the external interface default connection, which comprises
The identity of operator is authenticated；
If authentication passes through, the external interface switching is connected to the main control chip；
Program is downloaded by the main control chip and is updated into memory；
The safety chip verifies the described program in the memory；
If described program verification passes through, the normal operation described program of the POS terminal.
Further, if described program verification does not pass through, the safety chip wipes the journey in the memory
Sequence.
Further, the safety chip verifies the described program in the memory, comprising:
The safety chip carries out signature check to the described program in the memory；Wherein, described program is being issued
Legitimate signature is passed through before.
Further, described program bootloader, after verification passes through, described in the POS terminal operation
Bootloader and proper reset starting operation.
Further, the safety chip is used to control the electric power thus supplied of the power supply of POS terminal；If authentication is obstructed
It crosses, then the safety chip disconnects the power supply power supply.
The present invention also provides a kind of POS terminal program update control apparatus, the POS terminal includes external interface, safety
Chip and main control chip, safety chip described in the external interface default connection, described device include:
Authentication module is authenticated for the identity to operator；
Switching module, for when authentication passes through, the external interface switching to be connected to the main control chip；
Update module is downloaded, for downloading program by the main control chip and updating into memory；
Correction verification module verifies the described program in the memory for the safety chip；
Run module, for when described program verification pass through when, the normal operation described program of the POS terminal.
Further, the operation module is also used to:
When described program verification is obstructed out-of-date, the safety chip wipes the described program in the memory.
Further, the correction verification module is specifically used for:
The safety chip carries out signature check to the described program in the memory；Wherein, described program is being issued
Legitimate signature is passed through before.
The present invention also provides a kind of POS terminal, the POS terminal includes storage device and processor, the processor
It is connect with the storage device, computer program is stored on the storage device, the processor is executing the computer
When program, the step of realizing the POS terminal program more new control method.
The present invention also provides a kind of readable storage medium storing program for executing, are stored thereon with computer program, which is characterized in that the calculating
The step of POS terminal program more new control method is realized when machine program is executed by processor.
Compared to the prior art, the invention has the following advantages: the identity to operator authenticates；If identity
It is verified, the external interface switching is connected to the main control chip；It downloads program by the main control chip and updates and arrive
In memory；The safety chip verifies the described program in the memory；If described program verification passes through, institute
State the normal operation described program of POS terminal.The present invention switches main control chip to download program, can reduce development cost, and
Authentication is needed before handover, and safety so can be improved.
Detailed description of the invention
Fig. 1 is the flow chart of POS terminal program more new control method of the invention.
Fig. 2 is the circuit diagram of POS terminal of the invention.
Fig. 3 is the structural schematic diagram of POS terminal program update control apparatus of the invention.
The present invention that the following detailed description will be further explained with reference to the above drawings.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
The embodiment of the present invention, those of ordinary skill in the art's obtained every other reality without making creative work
Example is applied, protection scope of the present invention is belonged to.It is understood that attached drawing be provided solely for reference and description use, not be used to pair
The present invention limits.
Referring to Fig. 1, Fig. 1 is the flow chart for the POS terminal program more new control method that invention provides.
Referring to Fig. 2, Fig. 2 is the circuit diagram of POS terminal of the invention, the POS terminal includes external interface, cuts
Block, main control chip, memory, safety chip and for the power supply for system power supply are changed the mold, described in the external interface connects
Switching module is used to the POS terminal and external communication.The switching module connects the safety chip and the master control core
Piece.The main control chip and the main control chip are also connected with the memory.The external interface can be USB interface, institute
Stating memory can be Flash flash memory, and certainly, other kinds of interface or memory can correspondingly apply to the present invention.
In present embodiment, the POS terminal program more new control method be may comprise steps of.
S11: the identity of operator is authenticated.
In the present embodiment, authentication can be carried out by password, fingerprint or recognition of face can also be passed through
To carry out authentication.
It is understood that can when POS terminal selects to enter recovery mode, to the identity of operator into
Row certification.
S12: if authentication passes through, external interface switching is connected to main control chip.
In the present invention, since safety chip is the safest hardware of entire POS terminal, in order to guarantee the peace of POS terminal
Quan Xing, external interface default connection safety chip.Only after authentication passes through, external interface switching is connected to master control
Chip.
It is further to note that in the prior art, power supply is by main control chip come control switch, and the present invention can
To control the electric power thus supplied of power supply by safety chip.Therefore, if the method for present embodiment can also include: authentication
Do not pass through, then the safety chip disconnects the power supply power supply, makes electric under POS terminal.If authentication does not pass through, can also send out
Prompt information out.
S13: program is downloaded by the main control chip and is updated into memory.
The program of present embodiment can be general application program, can also be bootloader program.Embedded
In operating system, bootloader is run before operating system nucleus operation, can be initialized hardware device, be established memory
Space reflection figure, so that the hardware environment of system is taken to a proper states, to be final call operation system kernel
Get out correct environment.If necessary to initialize system, then need to run bootloader program.But most at present
Main control chip itself is without bootloader and fusing mechanism, so can not accomplish that main control chip itself prevents from illegally replacing journey
Sequence needs to download bootloader.
S14: safety chip verifies the described program in the memory.
In the present embodiment, signature key is retained in safety chip, and the safety chip can be to the memory
In described program carry out signature check.It is understood that described program can pass through legitimate signature before publication,
In order to carry out signature verification by terminal, the safety of program is improved.For example, by special soft before program publication
Part tool is signed, and software tool is retained in the safe house of production firm, can so guarantee the signature legitimacy of program.
S15: if described program verification passes through, the normal operation described program of the POS terminal.
If downloading program is bootloader, after program ver-ify passes through, the POS terminal runs the bootloader
And proper reset starting operation.
It is understood that the safety chip wipes the journey in the memory if program ver-ify does not pass through
Sequence.
It is understood that safety chip can all read the program in memory after the connection of every secondary source and carry out school
It tests, only verification passes through, and safety chip just runs and makes electricity operation on main control chip.
The POS terminal program more new control method that present embodiment provides, authenticates the identity of operator；If body
Part is verified, and the external interface switching is connected to the main control chip；Program is downloaded by the main control chip and is updated
Into memory；The safety chip verifies the described program in the memory；If described program verification passes through,
The normal operation described program of the POS terminal.The present invention switches main control chip to download program, can reduce development cost, and
And authentication is needed before handover, safety so can be improved.
Fig. 3 is the structural schematic diagram of POS terminal program update control apparatus 200 of the invention.Described device 200 can deposit
Storage performed by the processor of the terminal 100, realizes the POS terminal program more in the storage unit of the terminal 100
New control method.
Wherein, the POS terminal program update control apparatus 200 may include: authentication module 21, switching module
22, update module 23, correction verification module 24 and operation module are downloaded.
The authentication module 21 carries out certification for the identity to operator
The switching module 22, for when authentication passes through, the external interface switching to be connected to the master control core
Piece.
The downloading update module 23, for downloading program by the main control chip and updating into memory.
The correction verification module 24 verifies the described program in the memory for the safety chip.
The operation module 25, for when described program verification pass through when, the normal operation of the POS terminal journey
Sequence.
Further, the operation module 25 is also used to verify obstructed out-of-date, the safety chip erasing when described program
Described program in the memory.
Further, the correction verification module 24 be specifically used for the safety chip to the described program in the memory into
Row signature check；Wherein, described program has passed through legitimate signature before publication.
Further, described program bootloader, after verification passes through, described in the POS terminal operation
Bootloader and proper reset starting operation.
Further, described device further includes the second deciphering module 25 and authentication module 26.
Further, the safety chip is used to control the electric power thus supplied of the power supply of POS terminal.Described device can also break
Electric module 26, the power-off modular 26 are used for: when authentication is obstructed out-of-date, the safety chip disconnects the power supply power supply.
Different software can be achieved in the terminal 100, and software code can be according to arbitrary appropriate soft
The software of part Programming with Pascal Language realizes that software code can store in the storage device, and executed by the processor.
The processor is executing involved in the POS terminal program more new control method of storage in the storage device
When program, the step of POS terminal program more new control method of the invention may be implemented.
The present invention provides a kind of readable storage medium storing program for executing, and computer program, the meter are stored on the readable storage medium storing program for executing
The step of POS terminal program more new control method of each embodiment of the present invention is realized when calculation machine program is executed by processor.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all in essence of the invention
Made any modifications, equivalent replacements, and improvements etc. within mind and principle should all include within protection scope of the present invention.
Claims (10)
1. a kind of POS terminal program more new control method, the POS terminal includes external interface, safety chip and master control core
Piece, which is characterized in that safety chip described in the external interface default connection, which comprises
The identity of operator is authenticated；
If authentication passes through, the external interface switching is connected to the main control chip；
Program is downloaded by the main control chip and is updated into memory；
The safety chip verifies the described program in the memory；
If described program verification passes through, the normal operation described program of the POS terminal.
2. POS terminal program more new control method according to claim 1, which is characterized in that if described program verification is not
Pass through, then the safety chip wipes the described program in the memory.
3. POS terminal program more new control method according to claim 1 or 2, which is characterized in that the safety chip pair
Described program in the memory is verified, comprising:
The safety chip carries out signature check to the described program in the memory；Wherein, described program is before publication
Legitimate signature is passed through.
4. POS terminal program more new control method according to claim 1 or 2, which is characterized in that described program is
Bootloader, after verification passes through, the POS terminal runs the bootloader and proper reset starting operation.
5. POS terminal program more new control method according to claim 1 or 2, which is characterized in that the safety chip is used
In the electric power thus supplied of the power supply of control POS terminal；If authentication does not pass through, the safety chip disconnects the power supply and supplies
Electricity.
6. a kind of POS terminal program update control apparatus, the POS terminal includes external interface, safety chip and master control core
Piece, which is characterized in that safety chip described in the external interface default connection, described device include:
Authentication module is authenticated for the identity to operator；
Switching module, for when authentication passes through, the external interface switching to be connected to the main control chip；
Update module is downloaded, for downloading program by the main control chip and updating into memory；
Correction verification module verifies the described program in the memory for the safety chip；
Run module, for when described program verification pass through when, the normal operation described program of the POS terminal.
7. POS terminal program update control apparatus according to claim 6, which is characterized in that the operation module is also used
In:
When described program verification is obstructed out-of-date, the safety chip wipes the described program in the memory.
8. POS terminal program update control apparatus according to claim 6, which is characterized in that the correction verification module is specific
For:
The safety chip carries out signature check to the described program in the memory；Wherein, described program is before publication
Legitimate signature is passed through.
9. a kind of POS terminal, the POS terminal includes storage device and processor, the processor and the storage device
Connection, which is characterized in that computer program is stored on the storage device, the processor is executing the computer program
When, the step of realizing POS terminal program more new control method according to any one of claims 1 to 5.
10. a kind of readable storage medium storing program for executing, is stored thereon with computer program, which is characterized in that the computer program is processed
The step of device realizes POS terminal program more new control method according to any one of claims 1 to 5 when executing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811537344.0A CN109656606A (en) | 2018-12-15 | 2018-12-15 | POS terminal program more new control method, device, storage medium and terminal |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811537344.0A CN109656606A (en) | 2018-12-15 | 2018-12-15 | POS terminal program more new control method, device, storage medium and terminal |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109656606A true CN109656606A (en) | 2019-04-19 |
Family
ID=66114359
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811537344.0A Pending CN109656606A (en) | 2018-12-15 | 2018-12-15 | POS terminal program more new control method, device, storage medium and terminal |
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Application publication date: 20190419 |
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