CN110390746A - A kind of implementation method of fingerprint anti-theft gate inhibition - Google Patents
A kind of implementation method of fingerprint anti-theft gate inhibition Download PDFInfo
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- CN110390746A CN110390746A CN201910518914.XA CN201910518914A CN110390746A CN 110390746 A CN110390746 A CN 110390746A CN 201910518914 A CN201910518914 A CN 201910518914A CN 110390746 A CN110390746 A CN 110390746A
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- 230000005764 inhibitory process Effects 0.000 title claims abstract description 32
- 238000004891 communication Methods 0.000 claims abstract description 25
- 230000007246 mechanism Effects 0.000 claims abstract description 17
- 238000013475 authorization Methods 0.000 claims abstract description 11
- 230000005540 biological transmission Effects 0.000 claims abstract description 7
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- 238000004364 calculation method Methods 0.000 claims description 9
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- 230000002159 abnormal effect Effects 0.000 claims description 3
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- 238000012544 monitoring process Methods 0.000 claims description 3
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- G—PHYSICS
- G07—CHECKING-DEVICES
- G07C—TIME OR ATTENDANCE REGISTERS; REGISTERING OR INDICATING THE WORKING OF MACHINES; GENERATING RANDOM NUMBERS; VOTING OR LOTTERY APPARATUS; ARRANGEMENTS, SYSTEMS OR APPARATUS FOR CHECKING NOT PROVIDED FOR ELSEWHERE
- G07C9/00—Individual registration on entry or exit
- G07C9/30—Individual registration on entry or exit not involving the use of a pass
- G07C9/32—Individual registration on entry or exit not involving the use of a pass in combination with an identity check
- G07C9/37—Individual registration on entry or exit not involving the use of a pass in combination with an identity check using biometric data, e.g. fingerprints, iris scans or voice recognition
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- 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
- H04L9/08—Key distribution or management, e.g. generation, sharing or updating, of cryptographic keys or passwords
- H04L9/0816—Key establishment, i.e. cryptographic processes or cryptographic protocols whereby a shared secret becomes available to two or more parties, for subsequent use
- H04L9/0819—Key transport or distribution, i.e. key establishment techniques where one party creates or otherwise obtains a secret value, and securely transfers it to the other(s)
- H04L9/0822—Key transport or distribution, i.e. key establishment techniques where one party creates or otherwise obtains a secret value, and securely transfers it to the other(s) using key encryption key
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- 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
- H04L9/08—Key distribution or management, e.g. generation, sharing or updating, of cryptographic keys or passwords
- H04L9/0861—Generation of secret information including derivation or calculation of cryptographic keys or passwords
- H04L9/0869—Generation of secret information including derivation or calculation of cryptographic keys or passwords involving random numbers or seeds
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Abstract
The invention discloses the implementation methods of fingerprint anti-theft gate inhibition a kind of, it is related to gate inhibition's security technology area, including fingerprint algorithm chip, main control chip and connect system and system outdoors in the door of main control chip, fingerprint algorithm chip is connect with main control chip, and it is equipped with ID authentication mechanism, authorization sequence number is transferred to the fingerprint algorithm chip of unauthorized by production tool by main control chip, arithmetic operation is carried out with unique authorization sequence number and random number, obtained root key is for the identity binding certification between main control chip and fingerprint algorithm chip, secure communication mechanism is equipped between main control chip and fingerprint algorithm module, instruction between the two is using session key and passes through SM4 encrypted transmission, session key after powering on every time is generated by different random number operation, session key is stored in RAM, in fingerprint algorithm chip power-down, The session key is lost therewith.Method of the invention enhances the reliability and anti-attack ability of access control system coded communication, improves communications security.
Description
Technical field
The present invention relates to identification circuit fields, and in particular to a kind of finger suitable for fields such as fingerprint recognition, gate inhibitions
The implementation method of the antitheft gate inhibition of line.
Background technique
With the development of the society, the safe antitheft consciousness of people is gradually increasing, provided well for access control system
Development platform.Wherein, in the places such as family, school, company, access control system using more, while people are also to this
The Humanization Level of Municipal of system, safety, more stringent requirements are proposed, therefore fingerprint identification technology is applied in access control system
In.Design method in this way further improves the safety of access control system, and meets people to system hommization
Requirement.
Summary of the invention
In order to solve defect existing for above-mentioned technology, the present invention provides a kind of suitable for fields such as fingerprint recognition, gate inhibitions
The implementation method of fingerprint anti-theft gate inhibition.
The present invention realizes that technical solution used by above-mentioned technical effect is:
A kind of implementation method of fingerprint anti-theft gate inhibition, system and outdoors in the door including main control chip and the connection main control chip
System, the system outdoors include outer Keysheet module, fingerprint identification module, alarm, environmental sensor mould group, pressure sensing
Device, infrared sensor module, two-phase stepping motor module, system includes internal key disk module, LCD display screen, LCD in the door
Display screen is for showing the information such as pressure, temperature, humidity, when monitoring abnormal, drives alarm with the shape of buzzing
Formula is alarmed, and system is used for for providing permissions operation, the systems outdoors such as fingerprint additions and deletions, password modification to access in the door
The judgement of person's identity, while the infrared sensor module in external system is managed on the door, will be referred to automatically when someone is detected
Line identification module is restored to working condition by standby mode.
Preferably, in the implementation method of above-mentioned branch fingerprint anti-theft gate inhibition, for the safety for guaranteeing information, entering institute
When stating system in door, purview certification must be completed in a manner of fingerprint authentication, subsequently into the set interface of the LCD display screen,
As needed, it selects to restore data, fingerprint modification, fingerprint additions and deletions, password modification etc. by respective keys on interior Keysheet module
Permission action-item.
Preferably, in the implementation method of above-mentioned branch fingerprint anti-theft gate inhibition, the system outdoors includes fingerprint recognition function
It can be with infrared identification function, wherein the fingerprint identification function includes obtaining finger print information, deleting finger print information, verifying fingerprint
Information, addition finger print information, the infrared identification function will acquire for detecting to the people of the arrangement adjacent outdoors
Data by transmission, into fingerprint identification module, realize to the identification of fingerprint control and management.
Preferably, in the implementation method of above-mentioned branch fingerprint anti-theft gate inhibition, the fingerprint algorithm chip and the master control
Chip connection, the fingerprint algorithm chip and the main control chip are equipped with ID authentication mechanism, and the main control chip passes through volume production
Authorization sequence number is transferred to the fingerprint algorithm chip of unauthorized by tool, which receives and saves sequence
After row number, response is successfully instructed, and such as the fingerprint algorithm chip, oneself is authorized, then answer failed instructs, i.e., the described fingerprint is calculated
Method chip can only receive an authorization sequence number after factory, carry out operation behaviour with unique authorization sequence number and random number
Make, obtained root key is for the identity binding certification between the main control chip and the fingerprint algorithm chip.
Preferably, in the implementation method of above-mentioned branch fingerprint anti-theft gate inhibition, each system electrification after factory, the master
Chip and the fingerprint algorithm chip are controlled firstly the need of the mutual identity binding certification of progress, only after identity binding authenticates successfully
It just can enter in next step.
Preferably, in the implementation method of above-mentioned branch fingerprint anti-theft gate inhibition, the identity binding verification process is by institute
It states the authentication data that main control chip is generated with root key in the fingerprint algorithm chip to compare, comparing could successfully complete to recognize
Card makes the fingerprint algorithm chip and the main control chip mutually carry out unique identity binding certification, to eliminate illegal
User is by replacing a possibility that fingerprint algorithm chip obtains the main control chip data.
Preferably, in the implementation method of above-mentioned branch fingerprint anti-theft gate inhibition, the main control chip and the fingerprint algorithm
Between module be equipped with secure communication mechanism, the secure communication mechanism comprising steps of
S1, random number is sent, the main control chip sends 16Byte random number R N1 to the fingerprint algorithm
Chip, the fingerprint algorithm chip send 16Byte random number R N2 to the main control chip；
S2, authentication data is obtained, random number R N1 and root key are carried out what XOR operation operated by the fingerprint algorithm chip
Numerical value carries out SM4 cryptographic calculation to root key and obtains authentication data, the fingerprint algorithm chip will authenticate number later as key
Verification comparison is carried out according to the main control chip is sent to, random number R N2 and root key are carried out XOR operation by the main control chip
Obtained numerical value is operated as key, SM4 cryptographic calculation is carried out to root key and obtains authentication data, the main control chip will later
Authentication data is sent to the fingerprint algorithm chip and carries out verification comparison；
S3, comparative certification data, the main control chip and the fingerprint algorithm chip to itself calculated authentication data with
The authentication data received compares, identical, and certification passes through, different then authentification failure, and certification starts generation session after passing through close
Key is used for the communication of the main control chip and the fingerprint algorithm chip chamber；
S4, session key generate, the fingerprint algorithm chip and the main control chip all by random number R N1 and random number R N2 into
The numerical value that row XOR operation operates carries out SM4 cryptographic calculation as key, to random number R N2 again and obtains session key.
Preferably, in the implementation method of above-mentioned branch fingerprint anti-theft gate inhibition, the main control chip and the fingerprint algorithm
The instruction of chip chamber is using session key and passes through SM4 encrypted transmission, and the session key after powering on every time is by different random number
Operation generates.
Preferably, in the implementation method of above-mentioned branch fingerprint anti-theft gate inhibition, the session key is stored in RAM, In
When the fingerprint algorithm chip power-down, which loses therewith, for reducing communication instruction to the full extent
A possibility that being intercepted and cracked by illegal user.
Preferably, in the implementation method of above-mentioned branch fingerprint anti-theft gate inhibition, the model of the main control chip
STM32F103, the model BRD501 of the fingerprint algorithm chip.
The beneficial effects of the present invention are: the implementation method of branch fingerprint anti-theft gate inhibition of the invention passes through in fingerprint algorithm chip
It is equipped with ID authentication mechanism with main control chip, so that fingerprint algorithm chip is mutually carried out unique identity binding with main control chip and recognizes
Card substantially increases to eliminate a possibility that illegal user obtains main control chip data by displacement fingerprint algorithm chip
ID authentication mechanism.In addition, by adding secure communication mechanism between fingerprint algorithm chip and main control chip, between the two
Communication encrypted, it is ensured that data safety.Session key is stored in RAM, and when fingerprint algorithm chip power-down, session is close
Key is lost therewith, therefore reduces a possibility that communication instruction is intercepted and cracked by illegal user to the full extent, enhances and adds
The reliability and anti-attack ability of close communication, improve communications security.The effect that fingerprint identification technology can be given full play to, mentions
The overall performance of high access control system, to protect the safety of user's property.
Detailed description of the invention
Fig. 1 is module frame chart of the invention；
Fig. 2 is the schematic diagram of secure communication mechanism of the present invention.
Specific embodiment
For make to make the present invention it is further understand, referring to Figure of description and specific embodiment to the present invention make into
One step explanation:
As depicted in figs. 1 and 2, the invention discloses the implementation methods of fingerprint anti-theft gate inhibition a kind of, including main control chip and connection
System and system outdoors in the door of main control chip, system includes outer Keysheet module, fingerprint identification module, alarm, environment outdoors
Sensor module, pressure sensor, infrared sensor module, two-phase stepping motor module.Door in system include internal key disk module,
LCD display screen, LCD display screen is for showing the information such as pressure, temperature, humidity, when monitoring abnormal, driving report
Alert device is alarmed in the form of buzzing.System is for providing the permissions operations such as fingerprint additions and deletions, password modification in door.
Specifically, which, which operates, includes:
1, restore data: if user selects the option, access control system will be automatically into arriving factory reset
Link, while password can also be reset automatically, be restored to password default " 222222 ", and the finger print information saved in system
Also it can delete therewith；
2, modify fingerprint: it includes two functions that fingerprint is modified in access control system, i.e. deletion fingerprint, addition fingerprint, Qian Zhehui
All finger print informations saved in deletion system, so user should operate with caution；The latter adds fingerprint will be typing one
The fingerprint not having in system needs just to can be carried out after completing purview certification.During typing fingerprint, need to same piece
Fingerprint typing three times, after comparison is errorless, is added among the fingerprint base of system；
3, Modify password: the modification of password needs user to export Old Password to verify identity, then inputs new password wherein,
# number key in point beating keyboard completes modification.Then, it " is modified as if successfully modified M access control system will be made
The prompt of function ", prompt on the contrary then that " modification failure " can be made.
System is for the judgement to visitor's identity outdoors, while the infrared sensor module in external system carries out pipe on the door
Reason, is restored to working condition by standby mode for fingerprint identification module automatically when someone is detected.Occur in Password Input wrong
Accidentally and more than 3 times, system will trigger alarm outdoors, then only can after password authentification, fingerprint authentication are successful
Complete switch gate.
Purview certification must be completed in a manner of fingerprint authentication, so when entering system in door for the safety for guaranteeing information
Enter the set interface of LCD display screen afterwards, as needed, selects to restore data by respective keys on interior Keysheet module, refer to
The permissions action-items such as line modification, fingerprint additions and deletions, password modification.
Further, system includes fingerprint identification function and infrared identification function outdoors, wherein fingerprint identification function includes
It obtains finger print information, delete finger print information, verifying finger print information, addition finger print information, infrared identification function is used for being outdoors
People near system detects, and the data that will acquire are by transmission, into fingerprint identification module, realizes the identification control to fingerprint
System and management.
In order to further increase safety, fingerprint algorithm chip is connect with main control chip, fingerprint algorithm chip and master control
Chip is equipped with ID authentication mechanism.Each system electrification after factory, main control chip and fingerprint algorithm chip are firstly the need of progress
Mutual identity binding certification, only just can enter after identity binding authenticates successfully in next step.Identity binding verification process be by
The authentication data that main control chip is generated with root key in fingerprint algorithm chip compares, and certification could successfully be completed by comparing, and makes
Fingerprint algorithm chip and main control chip mutually carry out unique identity binding certification, are referred to eliminate illegal user by displacement
Line algorithm chip obtains a possibility that main control chip data.
Authorization sequence number is transferred to the fingerprint algorithm chip of unauthorized, the fingerprint algorithm by production tool by main control chip
After chip receives and saves sequence number, response is successfully instructed.Such as fingerprint algorithm chip, oneself is authorized, then answer failed instructs,
I.e. fingerprint algorithm chip can only receive an authorization sequence number after factory.With unique authorization sequence number and random number into
Row arithmetic operation, obtained root key is for the identity binding certification between the main control chip and the fingerprint algorithm chip.
Between main control chip and fingerprint algorithm module be equipped with secure communication mechanism, the secure communication mechanism comprising steps of
S1, random number is sent, main control chip sends 16Byte random number R N1 to fingerprint algorithm chip, and fingerprint algorithm chip is sent
16Byte random number R N2 is to main control chip；
S2, authentication data is obtained, random number R N1 and root key are carried out the numerical value that XOR operation operates by fingerprint algorithm chip
As key, SM4 cryptographic calculation is carried out to root key and obtains authentication data, fingerprint algorithm chip sends authentication data to later
Main control chip carries out verification comparison, and random number R N2 and root key are carried out the numerical value that XOR operation operates and made by main control chip
For key, SM4 cryptographic calculation is carried out to root key and obtains authentication data, main control chip sends fingerprint for authentication data and calculates later
Method chip carries out verification comparison；
S3, comparative certification data, main control chip and fingerprint algorithm chip recognize itself calculated authentication data with what is received
Card data compare, identical, and certification passes through, different then authentification failure, and certification starts to generate session key for leading after passing through
Control the communication of chip and fingerprint algorithm chip chamber；
S4, session key generate, and random number R N1 and random number R N2 is all carried out exclusive or fortune by fingerprint algorithm chip and main control chip
The numerical value for operating and obtaining is calculated as key, SM4 cryptographic calculation is carried out again to random number R N2 and obtains session key.
Specifically, in a preferred embodiment of the invention, the instruction of main control chip and fingerprint algorithm chip chamber uses session
Key simultaneously passes through SM4 encrypted transmission, and the session key after powering on every time is generated by different random number operation.Session key storage
In RAM, in fingerprint algorithm chip power-down, which loses therewith, logical for reducing to the full extent
A possibility that letter instruction is intercepted and is cracked by illegal user.The model STM32F103 of main control chip, fingerprint algorithm chip
Model BRD501.
In conclusion the implementation method of branch fingerprint anti-theft gate inhibition of the invention passes through in fingerprint algorithm chip and main control chip
Equipped with ID authentication mechanism, fingerprint algorithm chip and main control chip is set mutually to carry out unique identity binding certification, to exclude
A possibility that illegal user obtains main control chip data by displacement fingerprint algorithm chip, substantially increases authentication machine
System.In addition, being carried out by adding secure communication mechanism between fingerprint algorithm chip and main control chip to communication between the two
Encryption, it is ensured that data safety.Session key is stored in RAM, and when fingerprint algorithm chip power-down, session key is lost therewith
It loses, therefore reduces a possibility that communication instruction is intercepted and cracked by illegal user to the full extent, enhance coded communication
Reliability and anti-attack ability, improve communications security.The effect of fingerprint identification technology can be given full play to, gate inhibition's control is improved
The overall performance of system processed, to protect the safety of user's property.
The basic principles, main features and advantages of the present invention have been shown and described above.The technology of the industry
Personnel are it should be appreciated that the present invention is not limited to the above embodiments, and what is described in the above embodiment and the description is only the present invention
Principle, various changes and improvements may be made to the invention without departing from the spirit and scope of the present invention, these variation and
Improvement is both fallen in the range of claimed invention, the present invention claims protection scope by appended claims and its
Equivalent defines.
Claims (10)
1. a kind of implementation method of fingerprint anti-theft gate inhibition, which is characterized in that including main control chip and connect the main control chip
System and system, the system outdoors include outer Keysheet module, fingerprint identification module, alarm, environmental sensor outdoors in door
Mould group, pressure sensor, infrared sensor module, two-phase stepping motor module, in the door system include internal key disk module,
LCD display screen, LCD display screen is for showing the information such as pressure, temperature, humidity, when monitoring abnormal, driving report
Alert device alarm in the form of buzzing, and system is operated for providing the permissions such as fingerprint additions and deletions, password modification in the door, it is described outdoors
System is for the judgement to visitor's identity, while the infrared sensor module in external system is managed on the door, is being detected
Fingerprint identification module is restored to working condition by standby mode automatically when someone.
2. the implementation method of branch fingerprint anti-theft gate inhibition according to claim 1, which is characterized in that for the safety for guaranteeing information
Property, when entering system in the door, purview certification must be completed in a manner of fingerprint authentication, subsequently into the LCD display screen
Set interface, as needed, on interior Keysheet module by respective keys select restore data, fingerprint modification, fingerprint additions and deletions,
The permissions action-items such as password modification.
3. the implementation method of branch fingerprint anti-theft gate inhibition according to claim 1, which is characterized in that the system outdoors includes
Fingerprint identification function and infrared identification function, wherein the fingerprint identification function includes obtaining finger print information, deleting fingerprint letter
Breath, verifying finger print information, addition finger print information, the infrared identification function are used to carry out the people of the arrangement adjacent outdoors
Detection, the data that will acquire are by transmission, into fingerprint identification module, realize identification control and the management to fingerprint.
4. the implementation method of branch fingerprint anti-theft gate inhibition according to claim 1, which is characterized in that further include fingerprint algorithm core
Piece, the fingerprint algorithm chip are connected with the main control chip, and the fingerprint algorithm chip and the main control chip are equipped with identity
Authorization sequence number is transferred to the fingerprint algorithm chip of unauthorized by production tool by authentication mechanism, the main control chip,
After the fingerprint algorithm chip receives and saves sequence number, response is successfully instructed, such as the fingerprint algorithm chip oneself through awarding
Power, then answer failed instructs, i.e., the described fingerprint algorithm chip can only receive an authorization sequence number after factory, unique with this
Authorization sequence number and random number carry out arithmetic operation, obtained root key is for the main control chip and the fingerprint algorithm core
Identity binding certification between piece.
5. the implementation method of branch fingerprint anti-theft gate inhibition according to claim 4, which is characterized in that every subsystem after factory
It powers on, the main control chip and the fingerprint algorithm chip are firstly the need of mutual identity binding certification is carried out, only when identity is tied up
It just can enter after authenticating successfully calmly in next step.
6. the implementation method of branch fingerprint anti-theft gate inhibition according to claim 5, which is characterized in that the identity binding certification
Process is that the authentication data for generating the main control chip with root key in the fingerprint algorithm chip compares, and is compared successfully
Certification could be completed, the fingerprint algorithm chip and the main control chip is made mutually to carry out unique identity binding certification, thus
Illegal user is eliminated by replacing a possibility that fingerprint algorithm chip obtains the main control chip data.
7. the implementation method of branch fingerprint anti-theft gate inhibition according to claim 6, which is characterized in that the main control chip and institute
State between fingerprint algorithm module be equipped with secure communication mechanism, the secure communication mechanism comprising steps of
S1, random number is sent, the main control chip sends 16Byte random number R N1 to the fingerprint algorithm
Chip, the fingerprint algorithm chip send 16Byte random number R N2 to the main control chip；
S2, authentication data is obtained, random number R N1 and root key are carried out what XOR operation operated by the fingerprint algorithm chip
Numerical value carries out SM4 cryptographic calculation to root key and obtains authentication data, the fingerprint algorithm chip will authenticate number later as key
Verification comparison is carried out according to the main control chip is sent to, random number R N2 and root key are carried out XOR operation by the main control chip
Obtained numerical value is operated as key, SM4 cryptographic calculation is carried out to root key and obtains authentication data, the main control chip will later
Authentication data is sent to the fingerprint algorithm chip and carries out verification comparison；
S3, comparative certification data, the main control chip and the fingerprint algorithm chip to itself calculated authentication data with
The authentication data received compares, identical, and certification passes through, different then authentification failure, and certification starts generation session after passing through close
Key is used for the communication of the main control chip and the fingerprint algorithm chip chamber；
S4, session key generate, the fingerprint algorithm chip and the main control chip all by random number R N1 and random number R N2 into
The numerical value that row XOR operation operates carries out SM4 cryptographic calculation as key, to random number R N2 again and obtains session key.
8. the implementation method of branch fingerprint anti-theft gate inhibition according to claim 7, which is characterized in that the main control chip and institute
The instruction of fingerprint algorithm chip chamber is stated using session key and passes through SM4 encrypted transmission, the session key after powering on every time by
Different random number operation generates.
9. the implementation method of branch fingerprint anti-theft gate inhibition according to claim 7 or 8, which is characterized in that the session key
It is stored in RAM, in the fingerprint algorithm chip power-down, which loses therewith, for the full extent
Reduce a possibility that communication instruction is intercepted and cracked by illegal user.
10. the implementation method of branch fingerprint anti-theft gate inhibition according to claim 1, which is characterized in that the main control chip
Model STM32F103, the model BRD501 of the fingerprint algorithm chip.
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