CN108154365A - A kind of safety equipment for generating dynamic two-dimension code, method and system - Google Patents
A kind of safety equipment for generating dynamic two-dimension code, method and system Download PDFInfo
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- CN108154365A CN108154365A CN201711415447.5A CN201711415447A CN108154365A CN 108154365 A CN108154365 A CN 108154365A CN 201711415447 A CN201711415447 A CN 201711415447A CN 108154365 A CN108154365 A CN 108154365A
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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
- G06Q20/382—Payment protocols; Details thereof insuring higher security of transaction
- G06Q20/3829—Payment protocols; Details thereof insuring higher security of transaction involving key management
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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
- H04L9/0866—Generation of secret information including derivation or calculation of cryptographic keys or passwords involving user or device identifiers, e.g. serial number, physical or biometrical information, DNA, hand-signature or measurable physical characteristics
Abstract
The present invention relates to information security field more particularly to a kind of safety equipment for generating dynamic two-dimension code, method and system.The method includes：Initialization sequence number, master key and dynamic factor；Every preset time, two-dimension code image is regenerated according to sequence number, master key and dynamic factor and is shown；Dynamic factor includes at least one of time factor, event factor, random data combination, finger print information collection or face information collection.Using the technical solution of the application, in the generating process of Quick Response Code, dynamic factor is added in, realizes that timing updates the purpose of Quick Response Code, Quick Response Code is prevented to be maliciously tampered.
Description
Technical field
The present invention relates to information security field, due to being related to a kind of safety equipment for generating dynamic two-dimension code, method and being
System.
Background technology
Commonly used with Quick Response Code, the payment of Quick Response Code barcode scanning has been applied to the application scenarios of many.Now two
The market of code payment is tieed up, Alipay and wechat occupy most market.Trade company use that Alipay and wechat collect money when
It waits, the gathering Quick Response Code of oneself can be printed, be attached to the position that client is easier scanning, user pays the bill to trade company
When directly scan the gathering Quick Response Code of trade company and pay the bill.
It is static however, as the Quick Response Code printed, is easily distorted by criminal, causes unnecessary economy
Loss.Based on this, the present invention is applied and is given birth to.
Invention content
The present invention in order to solve the problems in the existing technology, provide a kind of generation dynamic two-dimension code method of work,
Apparatus and system.
The technical solution adopted by the present invention is：A kind of method for generating dynamic two-dimension code, including：
Initialization sequence number, master key and dynamic factor；
Every preset time, Quick Response Code figure is regenerated according to the sequence number, the master key and the dynamic factor
Piece is simultaneously shown；
The dynamic factor includes time factor, event factor, random data combination, finger print information collection or face information collection
At least one of.
The initialization sequence number, master key and dynamic factor, the specific steps are：
For sequence number of the safety equipment write-in with global unique identification；
Master key is generated according to the sequence number application key decentralized algorithm；
Initialize dynamic factor and server dynamic factor so that dynamic factor is synchronous with server dynamic factor.
The initialization dynamic factor and server dynamic factor so that dynamic factor clothes synchronous with server dynamic factor
Business device, specifically includes at least one of following initial method：
When the dynamic factor includes time factor, the safety equipment clock time is set with the server clock time
It is set to synchronization；
When the dynamic factor includes event factor, by the thing in the event times and server in the safety equipment
Piece number is set as identical；
When the dynamic factor, which includes random data, to be combined, the random data that the safety equipment is received combines row
Sequence stores and is sent to server and sequentially stores；
When the dynamic factor includes finger print information collection, multiple fingerprint information datas of the safety equipment typing are arranged
Sequence stores and is sent to server and sequentially stores；
When the dynamic factor includes face information collection, multiple face information data that the safety equipment is captured
Sequence stores and is sent to server and sequentially stores.
It is described that two-dimension code image is regenerated according to the sequence number, the master key and the dynamic factor, it is specific to wrap
Include following sub-step：
It is recalculated, generated according to the sequence number, the master key and current dynamic factor application key schedule
Working key；The current dynamic factor includes current time, current event number, is selected from random data combination
One random data concentrates the finger print data selected at random from the finger print information, is concentrated at random from the face information
At least one of human face data selected；
After working key is calculated, billing address is encrypted using the working key, with obtaining encrypted payment
The two-dimensional code data using the encrypted payment address and the working key as two-dimensional code data, is converted to two dimension by location
Code picture.
The present invention also provides a kind of safety equipments for generating dynamic two-dimension code, which is characterized in that including：
Initialization module, for initialization sequence number, master key and dynamic factor；
Two-dimensional code generation module, for every preset time, according to the sequence number, the master key and the dynamic because
Son regenerates two-dimension code image, and the dynamic factor includes time factor, event factor, random data combination, finger print information
At least one of collection or face information collection；
Display module, for showing the two-dimension code image.
The initialization module is specifically used for：There is the sequence number of global unique identification for safety equipment write-in, according to institute
Sequence number application key decentralized algorithm generation master key is stated, and initializes dynamic factor and server dynamic factor so that dynamic
The factor is synchronous with server dynamic factor.
Dynamic factor and server dynamic factor are initialized in the initialization module so that dynamic factor is moved with server
The server of state factor synchronization, is specifically used for：
When the dynamic factor includes time factor, the safety equipment clock time is set with the server clock time
It is set to synchronization；
When the dynamic factor includes event factor, by the thing in the event times and server in the safety equipment
Piece number is set as identical；
When the dynamic factor, which includes random data, to be combined, the random data that the safety equipment is received combines row
Sequence stores and is sent to server and sequentially stores；
When the dynamic factor includes finger print information collection, multiple fingerprint information datas of the safety equipment typing are arranged
Sequence stores and is sent to server and sequentially stores；
When the dynamic factor includes face information collection, multiple face information data that the safety equipment is captured
Sequence stores and is sent to server and sequentially stores.
The two-dimensional code generation module, is specifically used for：
It is recalculated, generated according to the sequence number, the master key and current dynamic factor application key schedule
Working key；The current dynamic factor includes current time, current event number, is selected from random data combination
One random data concentrates the finger print data selected at random from the finger print information, is concentrated at random from the face information
At least one of human face data selected；
After working key is calculated, billing address is encrypted using the working key, with obtaining encrypted payment
The two-dimensional code data using the encrypted payment address and the working key as two-dimensional code data, is converted to two dimension by location
Code picture.
The present invention also provides it is a kind of generate dynamic two-dimension code system, including：Above-mentioned safety equipment and mobile equipment and
Server；
Including processing module, for scanning the two-dimensional code picture, corresponding two-dimensional code data is sent to for the mobile equipment
The server；
The server, including judgment module, for judging whether the two-dimensional code data is correct；Sending module is used for
When the two-dimensional code data is correct, the billing address in the two-dimensional code data is sent to the mobile equipment.
The judgment module is specifically used for,
When the dynamic factor includes time factor, according to the sequence number, current timer time, time drift value
Recalculated with the master key, obtain working key window, the working key in the two-dimensional code data whether with institute
State any one working key matching in working key window；
It is close according to the sequence number, nonce counter number and the master when the dynamic factor includes event factor
Key recalculates, and obtains working key, and whether the working key is identical with the working key in the two-dimensional code data；
When the dynamic factor includes random data combination/finger print information collection/face information collection, preserved according to inside
The working key window completed, the two dimension are calculated by the random data combination/finger print information collection/face information collection
Whether the working key in code data matches with any one working key in the working key window.
The advantageous effect that the present invention obtains is：In the generating process of Quick Response Code, add in dynamic factor, as time factor,
Event factor or random data combination, realize that timing updates the purpose of Quick Response Code, the biological characteristic that can also add in trade company such as refers to
Line information collection or face information collection more ensure the safety of Quick Response Code generation, Quick Response Code are prevented to be maliciously tampered.
Description of the drawings
In order to illustrate the technical solutions in the embodiments of the present application or in the prior art more clearly, to embodiment or it will show below
There is attached drawing needed in technology description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
Some embodiments described in application, for those of ordinary skill in the art, can also be obtained according to these attached drawings other
Attached drawing.
Fig. 1 is a kind of system diagram for generating dynamic two-dimension code；
Fig. 2 is a kind of flow chart of work methods for generation dynamic two-dimension code that the embodiment of the present invention one provides；
Fig. 3 be the embodiment of the present invention one provide scan the two-dimensional code after concrete operations flow chart；
Fig. 4 is a kind of system block diagram for generating dynamic two-dimension code provided by Embodiment 2 of the present invention.
Specific embodiment
The application provides a kind of safety equipment, method of work and system for generating dynamic two-dimension code, realizes Quick Response Code
Dynamic change, Quick Response Code failure after server authentication cannot pass through, ensure that timeliness and the safety of Quick Response Code.
With reference to the attached drawing in the embodiment of the present invention, the technical solution in the embodiment of the present invention is carried out clear, complete
Ground describes, it is clear that described embodiment is part of the embodiment of the present invention, instead of all the embodiments.Based on the present invention
In embodiment, those skilled in the art's all other embodiments obtained without making creative work, all
Belong to the scope of protection of the invention.
Referring to Fig. 1, the system that the method for work of the generation dynamic two-dimension code of the application is applied sets 110 including safety, moves
Dynamic equipment 120 and server 130.Wherein, each equipment is described in detail below：
Safety equipment 110, has been internally integrated safety chip, timer, and outside is provided with display screen, is stored in safety chip
There are the sequence number with global uniqueness, master key and a user biological characteristic or random data etc., in safety equipment 110
Timer every preset time, two-dimensional code data is recalculated in triggering, is converted into two-dimension code image and passes through display screen
Display so that Quick Response Code has timeliness, changes with the change of time.
Mobile equipment 120, such as mobile phone, tablet computer have the function of the equipment scanned the two-dimensional code, are set for scanning safety
The two-dimension code image shown on standby 110, parsing two-dimension code image obtain two-dimensional code data, two-dimensional code data are sent to server
130。
Server 130, the sequence number of built-in security equipment 110, master key corresponding with safety equipment and and safety equipment
Identical user biological characteristic or random data etc. are stored, and is provided with the timer synchronous with safety equipment 110, is allowed
Having time is drifted about, when receive the two-dimensional code data from mobile equipment 120 and verify two-dimensional code data by after, by Quick Response Code
Billing address in data is sent to mobile equipment 120.
Embodiment one
2 it is further described the method for work provided by the invention for generating dynamic two-dimension code, concrete operations below in conjunction with the accompanying drawings
It is as follows：
Step 210：Safety equipment initializes；
Safety equipment initialization includes initialization sequence number, dynamic factor and master key, specially：It is written for safety equipment
Sequence number with global unique identification generates master key, initialization dynamic according to the sequence number by key decentralized algorithm
The factor is synchronous with server dynamic factor；
Wherein, dynamic factor can be time factor, event factor, random typed values, finger print information collection or face information
At least one of collection.
When dynamic factor includes time factor, initialization is specially：By safety equipment clock time and server clock
Time is set as synchronous；Wherein time factor change with the time and change.
When dynamic factor includes event factor, initialization is specially：By the event times and server in safety equipment
In event times it is identical；Wherein event factor generates number with Quick Response Code and changes.
When dynamic factor, which includes random data, to be combined, initialization is specially：The random data that safety equipment is received
Combination sequence, which stores and is sent to server, sequentially to be stored；Random data combination can be that trade company is inputted by safety equipment
Multi-group data may be safety equipment internal random generation multi-group data.
When dynamic factor includes finger print information collection, initialization is specially：By multiple finger print informations of safety equipment typing
Data sorting stores and is sent to server and sequentially stores；Multiple fingerprint information datas can be that multiple finger prints of trade company are believed
Breath or the credible finger print information let people related to trade company, for example, by taking five fingers of trade company as an example, set in safety
The sequence typing according to thumb, forefinger, middle finger, the third finger and little finger of toe and storage of sorting, then send out these finger print informations in standby
Server is given, server also stores in that same order.
When dynamic factor includes face information collection, initialization is specially：Multiple faces that safety equipment is captured are believed
Breath data sorting, which stores and is sent to server, sequentially to be stored.Face information data can be that trade company itself face information can also
It is the set of the credible face information let people of trade company, safety equipment is sequentially stored and is sent to the face information data captured
Server is stored by same sequence.
Further, when dynamic factor includes random data combination or at least one finger print information collection or face information collection
When, it can also be in the following way：Safety equipment prompts user input data information or acquisition fingerprint again every preset time
Information or typing face information after above- mentioned information is received, calculate Quick Response Code；Using in this instant input mode safety equipment
Portion need not preserve data information/finger print information/face information, more ensure that safety.
Step 220：Safety equipment generates two-dimension code image according to sequence number, master key and dynamic factor and shows.
Specifically, safety equipment generates Quick Response Code according to sequence number, master key and time factor includes following sub-step：
Step 2201：Safety equipment is after preset time, according to sequence number, current dynamic factor and master key, application
Preset algorithm recalculates, and obtains working key；
Current dynamic factor include current time, current event number, selected from random data combination one it is random
Data concentrate the finger print data selected at random, the face number selected at random from face information concentration from finger print information
At least one of according to；
Come by taking the finger print data selected at random during current dynamic factor is current event number and finger print information as an example
It illustrates, according to sequence number, current event number, a finger print data and master key, is counted again using key schedule
It calculates, obtains working key and specifically include：
Using the sum of sequence number, current event number and finger print data as the first data, when the first data byte number not
During the integral multiple of foot 8, a byte 0x80 is added after the first data, then mends 0x00 again until supplying the integral multiple to 8；It should
The first data after cover and master key are calculated with key algorithm, obtain working key；
For example, Serial No. 0x22113210128A 71556394, current event number is 0x546283749C 81, is referred to
Line data are 0x1545165475A4B6C5AD, are added to obtain the first data as 0x22267726BB 629980C5C2 by three,
The byte number of first data is 10, the integral multiple less than 8, therefore, first mends 0x80 after the first data, and it is 11 to obtain byte number,
Then the 0x00 of 5 bytes is mended, obtains 8 multiple, i.e., the first data 0x22267726BB of 16 bytes
Then 629980C5C2800000000000 calculates the first data and master key, obtains working key.
Step 2202：Billing address is encrypted in safety equipment application working key, obtains encrypted payment address, will add
Close billing address and working key are as two-dimensional code data；
Safety equipment first mends a byte using network address to be shown and content as confidential information to be added after confidential information to be added
0x80, integral multiple of the byte number of confidential information to be added less than 8 then obtained then mend 0x00 until supplying integral multiple to 8；
Using predetermined encryption algorithm, the confidential information to be added after cover is encrypted using working key, obtains two-dimensional code data, then
Two-dimensional code data is converted to two-dimension code image to show by safety equipment display screen.
Safety equipment recalculates one action key every preset time, the timeliness of working key is ensure that, in work
After making key failure, server authentication cannot pass through, and Quick Response Code is prevented to be tampered, and ensure that the safety of Quick Response Code.
Referring to Fig. 3, two-dimensional code data is generated, and be shown in safety equipment in the form of two-dimension code image and show in safety equipment
After on screen, after user is by mobile device scan two-dimension code image, following operation is performed：
Step 310：After mobile device scan two-dimension code image, corresponding two-dimensional code data is sent to server；
Step 320：Server parses two-dimensional code data, obtains encrypted payment address and working key；
Step 330：Server is obtained according to the safety equipment sequence number, current dynamic factor and master key calculation of storage inside
To working key window；
Specifically, the dynamic factor kind of safety equipment generation working key is carried in safety equipment generation two-dimensional code data
Class, server obtain dynamic factor type from two-dimensional code data, according to dynamic factor type obtain corresponding current dynamic because
Son；Dynamic factor type includes at least one of time, event, random data combination, fingerprint, face information.
When dynamic factor includes time factor, according to sequence number, current timer time, time drift value and master key
It recalculates, obtains working key window；
When dynamic factor includes event factor, recalculated, obtained according to sequence number, nonce counter number and master key
To working key；
When dynamic factor be random data combination/finger print information collection/face information collection when, according to inside preserve by with
Machine data combination/finger print information collection/face information collection calculates the working key window completed.
Illustrate so that dynamic factor type is event and fingerprint as an example, according to sequence number, current dynamic factor and master key
Working key window is calculated to specifically include：
Current event number and whole fingerprint data sets are got according to dynamic factor type；According to sequence number, master key,
Current event number, each finger print data are calculated, and generate multiple working keys, are formed working key window.
For example, getting current event number as 30 times, whole fingerprint data sets are thumb, forefinger, middle finger, the third finger and
Then little finger of toe calculates five working keys respectively according to current event and five fingers, form working key window.
Further, if dynamic factor only for random data combination/finger print information collection/face information concentrate it is arbitrary it
For the moment, server when being verified first judges whether that working key window can be got from memory block, if it is,
Step 340 is performed, multiple data for otherwise being concentrated according to random data combination/finger print information collection/face information that inside preserves,
Sequence number and master key calculation generate multiple working keys, are combined working key window, and preserve into memory block, then hold
Row step 340.
It should be noted that when dynamic factor is event factor, it is only close comprising a job in working key window
Key, when dynamic factor is time factor/random data combination/finger print information collection/face information collection, working key window includes more
A working key.
Step 340：Server compare working key in two-dimensional code data and working key window whether successful match, such as
Fruit is then to perform step 350, otherwise returns to error message.
This step specifically includes following situation：
(1) when dynamic factor is time factor, compare in the working key window for calculating generation with the presence or absence of any one
A working key is matched with the working key in two-dimensional code data；
(2) when dynamic factor is event factor, compare the only one work in the working key window for calculating generation
It is whether identical with the working key in two-dimensional code data；
(3) when dynamic factor is random data combination/finger print information collection/face information collection, compare the work in memory block
Make to match with the working key in two-dimensional code data with the presence or absence of any one working key in key window.
Step 350：Server application presets decipherment algorithm, and encrypted payment address is decrypted using working key, is obtained
To billing address and it is sent to mobile equipment.
In the present embodiment, further, when dynamic factor includes random data combination/finger print information collection/face information collection
When, in step 2202, the serial number of current dynamic factor is further included in two-dimensional code data, then in a step 330, according to storage inside
Safety equipment sequence number, current dynamic factor and master key calculation obtain working key window, specifically include：According to Quick Response Code
Serial number in data obtains corresponding dynamic factor numerical value, then calculates generation work according to sequence number, master key and dynamic factor
Make key, whether the working key compared in the working key and Quick Response Code of generation is identical, is to perform step 350.
Embodiment two
The work side for the safety equipment that dynamic two-dimension code is generated in embodiment one is described above in association with attached drawing 2 and attached drawing 3
Method, the system that generation dynamic two-dimension code is introduced below in conjunction with attached drawing 4, including；Safety equipment 410, mobile equipment 420 and server
430；
Safety equipment 410 includes：
Initialization module 4101, for initialization sequence number, master key and dynamic factor；
Two-dimensional code generation module 4102, for every preset time, being given birth to again according to sequence number, master key and dynamic factor
Into two-dimension code image；
Display module, for two-dimensional code display picture.
Mobile equipment 420, including processing module 4201, for scanning the two-dimensional code picture, corresponding two-dimensional code data is sent out
It send to server 430.
Server 430, including
Judgment module 4301, for judging whether two-dimensional code data is correct；
Sending module 4302, for when two-dimensional code data is correct, the billing address in two-dimensional code data to be sent to shifting
Dynamic equipment 420.
Above-mentioned module is specifically described below：
Initialization module 4101 is specifically used for：For sequence number of the safety equipment write-in with global unique identification, according to sequence
Row number dispersion generation master key, initialization dynamic factor are synchronous with server dynamic factor；
Specifically, in initialization module 4101, initialize dynamic factor in initialization module and server dynamic factor is same
Step, is specifically used for：
When dynamic factor is time factor, initialization safety equipment clock time and server clock time synchronization；When
When dynamic factor is event factor, the event times initialized in safety equipment are identical with the event times in server；When dynamic
When the state factor is combined for random data, the random data received in safety equipment combination is sent to server and is stored；
When dynamic factor is finger print information collection, multiple fingerprint information datas sequence of typing is stored and is sent to service by safety equipment
Device sequentially stores；When dynamic factor is face information collection, safety equipment deposits the multiple face information data sortings captured
It stores up and is sent to server and sequentially store.Two-dimensional code generation module 4102, is specifically used for：
When dynamic factor is time factor/event factor, according to sequence number, current time/event times and master key
It recalculates, obtains working key；When dynamic factor is combined for random data, according to sequence number, master key and from random number
It is recalculated according to the random data selected in combination, obtains working key；When dynamic factor is finger print information collection, according to
It sequence number, master key and is concentrated from finger print information and selects a finger print data at random and recalculate, obtain working key；When dynamic
When the factor is face information collection, a human face data is selected again at random according to sequence number, master key and from face information concentration
It calculates, obtains working key；
After working key is calculated, billing address is encrypted using working key, obtains encrypted payment address, it will
Two-dimensional code data is converted to two-dimension code image by encrypted payment address and working key as two-dimensional code data.
Judgment module 4301 is specifically used for：
It is close according to sequence number, current timer time, time drift value and the master when dynamic factor is time factor
Key recalculates, and obtains working key window, compare working key in two-dimensional code data whether in working key window
Any one working key matches；
When dynamic factor is event factor, is recalculated, obtained according to sequence number, nonce counter number and master key
It is whether identical with the working key in two-dimensional code data to compare working key for working key；
When dynamic factor be random data combination/finger print information collection/face information collection when, according to inside preserve by with
Machine data combination/finger print information collection/face information collection calculates the working key window completed, and compares the work in two-dimensional code data
Whether key matches with any one working key in working key window.
Sending module 4302 is specifically used for, using default decipherment algorithm, using working key to adding in two-dimensional code data
Close billing address is decrypted, and obtains billing address and is sent to mobile equipment.
Although the preferred embodiment of the application has been described, those skilled in the art once know basic creation
Property concept, then additional changes and modifications may be made to these embodiments.So appended claims be intended to be construed to include it is excellent
It selects embodiment and falls into all change and modification of the application range.Obviously, those skilled in the art can be to the application
Various modification and variations are carried out without departing from spirit and scope.If in this way, these modifications and variations of the application
Belong within the scope of the application claim and its equivalent technologies, then the application is also intended to exist comprising these modification and variations
It is interior.
Claims (10)
- A kind of 1. method for generating dynamic two-dimension code, which is characterized in that including：Initialization sequence number, master key and dynamic factor；Every preset time, two-dimension code image is regenerated simultaneously according to the sequence number, the master key and the dynamic factor Display；The dynamic factor includes what time factor, event factor, random data combination, finger print information collection or face information were concentrated At least one.
- 2. the method as described in claim 1, which is characterized in that the initialization sequence number, master key and dynamic factor, specifically Step is：For sequence number of the safety equipment write-in with global unique identification；Master key is generated according to the sequence number application key decentralized algorithm；Initialize dynamic factor and server dynamic factor so that dynamic factor is synchronous with server dynamic factor.
- 3. method as claimed in claim 2, which is characterized in that the initialization dynamic factor and server dynamic factor make Dynamic factor and server dynamic factor sync server are obtained, specifically includes at least one of following initial method：When the dynamic factor includes time factor, the safety equipment clock time is set as with the server clock time It is synchronous；When the dynamic factor includes event factor, by the event time in the event times and server in the safety equipment Number is set as identical；When the dynamic factor, which includes random data, to be combined, the random data combination sequence that the safety equipment receives is deposited It stores up and is sent to server and sequentially store；When the dynamic factor includes finger print information collection, multiple fingerprint information datas sequence of the safety equipment typing is deposited It stores up and is sent to server and sequentially store；When the dynamic factor includes face information collection, multiple face information data sortings that the safety equipment is captured It stores and is sent to server and sequentially store.
- 4. method as claimed in claim 3, which is characterized in that described according to the sequence number, the master key and described dynamic The state factor regenerates two-dimension code image, specifically includes following sub-step：It is recalculated according to the sequence number, the master key and current dynamic factor application key schedule, generates work Key；The current dynamic factor includes current time, current event number, select one from random data combination Random data concentrates the finger print data selected at random from the finger print information, is selected at random from face information concentration An at least one of human face data；After working key is calculated, billing address is encrypted using the working key, obtains encrypted payment address, it will The two-dimensional code data is converted to Quick Response Code figure by the encrypted payment address and the working key as two-dimensional code data Piece.
- 5. a kind of safety equipment for generating dynamic two-dimension code, which is characterized in that including：Initialization module, for initialization sequence number, master key and dynamic factor；Two-dimensional code generation module, for every preset time, according to the sequence number, the master key and the dynamic factor weight Newly-generated two-dimension code image, the dynamic factor include time factor, event factor, random data combination, finger print information collection or At least one of face information collection；Display module, for showing the two-dimension code image.
- 6. safety equipment as claimed in claim 5, which is characterized in that the initialization module is specifically used for：For safety equipment Sequence number of the write-in with global unique identification generates master key, and initial according to the sequence number application key decentralized algorithm Change dynamic factor and server dynamic factor so that dynamic factor is synchronous with server dynamic factor.
- 7. safety equipment as claimed in claim 6, which is characterized in that dynamic factor and clothes are initialized in the initialization module Business device dynamic factor so that the dynamic factor server synchronous with server dynamic factor is specifically used for：When the dynamic factor includes time factor, the safety equipment clock time is set as with the server clock time It is synchronous；When the dynamic factor includes event factor, by the event time in the event times and server in the safety equipment Number is set as identical；When the dynamic factor, which includes random data, to be combined, the random data combination sequence that the safety equipment receives is deposited It stores up and is sent to server and sequentially store；When the dynamic factor includes finger print information collection, multiple fingerprint information datas sequence of the safety equipment typing is deposited It stores up and is sent to server and sequentially store；When the dynamic factor includes face information collection, multiple face information data sortings that the safety equipment is captured It stores and is sent to server and sequentially store.
- 8. safety equipment as claimed in claim 7, which is characterized in that the two-dimensional code generation module is specifically used for：It is recalculated according to the sequence number, the master key and current dynamic factor application key schedule, generates work Key；The current dynamic factor includes current time, current event number, select one from random data combination Random data concentrates the finger print data selected at random from the finger print information, is selected at random from face information concentration An at least one of human face data；After working key is calculated, billing address is encrypted using the working key, obtains encrypted payment address, it will The two-dimensional code data is converted to Quick Response Code figure by the encrypted payment address and the working key as two-dimensional code data Piece.
- 9. a kind of system for generating dynamic two-dimension code, which is characterized in that including：Safety as described in one of claim 5-8 is set Standby and mobile equipment and server；The mobile equipment including processing module, for scanning the two-dimensional code picture, corresponding two-dimensional code data is sent to described Server；The server, including judgment module, for judging whether the two-dimensional code data is correct；Sending module, for working as State two-dimensional code data it is correct when, the billing address in the two-dimensional code data is sent to the mobile equipment.
- 10. system as claimed in claim 9, which is characterized in that the judgment module is specifically used for,When the dynamic factor includes time factor, according to the sequence number, current timer time, time drift value and institute State master key to recalculate, obtain working key window, the working key in the two-dimensional code data whether with the work Make any one working key matching in key window；When the dynamic factor includes event factor, according to the sequence number, nonce counter number and the master key weight It is new to calculate, working key is obtained, whether the working key is identical with the working key in the two-dimensional code data；When the dynamic factor includes random data combination/finger print information collection/face information collection, passed through according to what inside preserved The random data combination/finger print information collection/face information collection calculates the working key window completed, the two dimension yardage Whether the working key in matches with any one working key in the working key window.
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