CN104527535B - A kind of automotive license plate of band encryption QR Quick Response Code - Google Patents
A kind of automotive license plate of band encryption QR Quick Response Code Download PDFInfo
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- CN104527535B CN104527535B CN201510023395.1A CN201510023395A CN104527535B CN 104527535 B CN104527535 B CN 104527535B CN 201510023395 A CN201510023395 A CN 201510023395A CN 104527535 B CN104527535 B CN 104527535B
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
- G06V10/00—Arrangements for image or video recognition or understanding
- G06V10/10—Image acquisition
- G06V10/12—Details of acquisition arrangements; Constructional details thereof
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R13/00—Elements for body-finishing, identifying, or decorating; Arrangements or adaptations for advertising purposes
- B60R13/10—Registration, licensing, or like devices
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F18/00—Pattern recognition
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
- G06V20/00—Scenes; Scene-specific elements
- G06V20/60—Type of objects
- G06V20/62—Text, e.g. of license plates, overlay texts or captions on TV images
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Abstract
The invention discloses the automotive license plate of a kind of band encryption QR Quick Response Code, it is characterized in that automotive license plate front comprises encryption QR Quick Response Code ciphertext graph picture and car plate trade mark word.The automotive license plate of the present invention be possible not only to realize intelligent transportation system quickly, accurately identify automotive license plate, improve accuracy rate and the time efficiency of identification, reduce the consuming of manual identified;And use encryption QR Quick Response Code to play the strongest antiforge function, reduce the harmful effect of ghost car plate;In addition, the present invention is that intelligent traffic administration system provides car plate QR 2 D code information interface, for research and development associated portable equipment, it is achieved traffic police is intelligent, unitized, lighting provides possibility, has a extensive future.
Description
Technical field
The present invention relates to field of data encryption, the automotive license plate of a kind of band encryption QR Quick Response Code.
Background technology
In modern society, Quick Response Code is a key of all information datas, applies quite varied, such as product false proof, traces to the source,
The download of web site url, data, E-business applications, vehicle management, information transmission etc..And popularizing along with smart mobile phone, respectively
Plant similar smart mobile phone and sweep the application sweeping function so that Quick Response Code uses more universal.Therefore the band being prone to image recognition is made
The automotive license plate of encryption QR Quick Response Code has feasibility.
The quantity of present stage motor vehicle increases year by year, the problem that road traffic becomes people's growing interest.Ask for solving road traffic
Topic, intelligent transportation system is arisen at the historic moment as the new transport system of a kind of precise and high efficiency.License plate recognition technology is intelligent transportation system
The foundation of system.On the one hand, the information comprised due to very widely used today automotive license plate is single, especially rain, mist,
In the case of snow sky, night or car plate are stained, existing license plate recognition technology recognition accuracy is inadequate, often or by artificial knows
Do not complete so that information processing bottleneck occurs in whole intelligent transportation system, increased the weight of the operating pressure of vehicle supervision department, time-consumingly
Arduously, efficiency is low.On the other hand, due to existing license plate be simple to manufacture, with low content of technology, the most not false proof
Function, the most many lawless persons are very easy to forge ghost license plate, thus produce serious public security problem.Thus may be used
Seeing, above-mentioned existing license plate still has many defects, it would be highly desirable to improve.
Summary of the invention
The present invention is the weak point overcoming prior art to exist, and proposes the automotive license plate of a kind of band encryption QR Quick Response Code, to
Intelligent transportation system can be realized and identify automotive license plate quickly and accurately, and improve automotive license plate antiforge function.
The present invention solves that above-mentioned technical problem adopts the following technical scheme that
The automotive license plate of a kind of band of present invention encryption QR Quick Response Code, described automotive license plate comprises car plate trade mark information character string s;Its
Feature is: be embedded with the ciphertext graph picture of encryption QR Quick Response Code in described automotive license plate.
The feature of the automotive license plate of band of the present invention encryption QR Quick Response Code lies also in:
The ciphertext graph of described encryption QR Quick Response Code seems to generate as follows:
Step 1, initialization
Step 1.1, utilize the coding rule of QR Quick Response Code that described car plate trade mark information character string s is encoded, it is thus achieved that encryption
Initial Q R code 0-1 row vector A1=[a1,a2,…,ah,…,aN];ahRepresent the h element;N represents described encryption initial Q R
Code 0-1 row vector A1The sum of middle element;
Step 1.2, utilize formula (1) obtain encryption revise QR code 0-1 row vector A2:
A2=randperm (A1) (1)
In formula (1), randperm (A1) represent described encryption initial Q R code 0-1 row vector A1In element random alignment;
Step 1.3, utilize formula (2) obtain S Wolffram invertible element cellular automaton kth evolution rule rk:
rk=rand (m, n) (2)
In formula (2), m, n represent positive integer, and have 1≤m≤n≤256;Rand () represents random function;
Step 1.4, repeated execution of steps 1.3, thus obtain the encryption evolution rule sequence that K evolution rule is constituted
Ren={ r1,r2,…,rk,…,rK};1≤k≤K;
Step 1.5, formula (3) is utilized to obtain the kth evolution rule r of described S Wolffram invertible element cellular automatonkEvolution number of times
Nk:
Nk=rand (1, N*) (3)
In formula (3), N*Represent a positive integer;
Step 1.6, repeated execution of steps 1.5, thus obtain the encryption evolution time Number Sequence that K evolution number of times is constituted
Ien={ N1,N2,…,Nk,…,NK};
Step 2, encrypt described car plate trade mark information character string
Step 2.1, definition cyclic variable x, x: th encryption cellular state value AxWith (x+1)th time encryption cellular state value Ax+1;
1≤x≤K;And initialize x=1;Then x: th encryption cellular state value AxIt is described encryption initial Q R code 0-1 row vector A1;
(x+1)th time encryption cellular state value Ax+1It is described encryption and revises QR code 0-1 row vector A2;
Step 2.2, by described x: th encrypt cellular state value AxWith (x+1)th time encryption cellular state value Ax+1As described S
The x: th encryption initial state value of Wolffram invertible element cellular automaton;
Step 2.3, from described encryption evolution rule sequence RenIn choose x-th evolution rule rxInitial to the encryption of described x: th
State value carries out NxSecondary evolution, it is thus achieved that+2 encryption cellular state value A of xthx+2;
Step 2.4, judge that x+1 is whether beyond threshold k;The most then exit execution, thus obtain the of invertible element cellular automaton
K+1 encryption cellular state value AK+1With the K+2 time encryption cellular state value AK+2;Otherwise, the value of x+1 is assigned to x;
And return step 2.2 and perform;
Step 2.5, by described the K+1 time encryption cellular state value AK+1With the K+2 time encryption cellular state value AK+2Constitute
Encryption QR code 0-1 row vector D=[AK+2,AK+1];
Step 3, generation ciphertext graph picture
Step 3.1, utilize QR Quick Response Code decoding rule described encryption QR code 0-1 row vector D is decoded, it is thus achieved that
Car plate trade mark information ciphertext character string s';
Step 3.2, utilize QR image in 2 D code maker, described car plate trade mark information ciphertext character string s' is generated described in add
The ciphertext graph picture of close QR Quick Response Code.
The ciphertext graph of described encryption QR Quick Response Code seems to be read out as follows:
Step 1, identify the ciphertext graph picture of described encryption QR Quick Response Code
Step 1.1, scan the ciphertext graph picture of described encryption QR Quick Response Code, it is thus achieved that described car plate trade mark information ciphertext character string s';
Step 1.2, utilize the coding rule of described QR Quick Response Code that described car plate trade mark information ciphertext character string s' is encoded,
Obtain deciphering QR code 0-1 row vector D'=[d1,d2,…,dw,…,dW];dwRepresent the w element;W represents described deciphering
The sum of element in QR code 0-1 row vector D';
Step 1.3, according to described deciphering QR code 0-1 row vector D'=[d1,d2,…,dw,…,dW], it is thus achieved that described S Wolffram
1st deciphering cellular state value of invertible element cellular automaton2nd dimension deciphering born of the same parents' state value
Step 2, initialization
Utilize rotation function to described encryption evolution rule sequence Ren={ r1,r2,…,rKAnd encryption evolution time Number Sequence
Ien={ N1,N2,…,NKBe respectively processed, it is thus achieved that deciphering evolution rule sequence Rde={ rK,rK-1,…,r1And deciphering evolution time
Number Sequence Ide={ NK,NK-1,…,N1};
Step 3, decipher described car plate trade mark information ciphertext character string s'
Step 3.1, definition cyclic variable y;The y time deciphering cellular state value ByWith the y+1 time deciphering cellular state value By+1;
1≤y≤K;And initialize y=1;
Step 3.2, by described the y time deciphering cellular state value ByWith the y+1 time deciphering cellular state value By+1As described S
The y time deciphering initial state value of Wolffram invertible element cellular automaton;
Step 3.3, from described deciphering evolution rule sequence RdeIn choose y-th evolution rule rK+1-yTo described the y time initial shape
State value carries out NK+1-ySecondary evolution, it is thus achieved that the y+2 time deciphering cellular state value By+2;
Step 3.4, judge that y+1 is whether beyond threshold k;The most then exit execution, thus obtain invertible element cellular automaton
The K+2 time deciphering cellular state value BK+2;Otherwise, value y+1 is assigned to y, and returns step 3.2 and perform;
Step 3.5, the decoding rule of described QR Quick Response Code is utilized to decipher cellular to the K+2 time of described invertible element cellular automaton
State value BK+2It is decoded, thus obtains described car plate trade mark information character string s.
Compared with the prior art, beneficial effects of the present invention is embodied in:
1, the present invention uses QR Quick Response Code ciphertext graph picture record automotive license plate information so that it is can pass through in intelligent transportation system
Position and scan QR Quick Response Code ciphertext graph picture, quick obtaining automotive license plate information, overcome existing Car license recognition accuracy rate low and
The existing license plate image inefficient problem of identification intelligent traffic system;Thus it is effectively improved Car license recognition accuracy rate and intelligent transportation
The efficiency of system.
2, QR Quick Response Code of the present invention has the feature of reading quick, convenient, can quickly carry out Car license recognition, fall
Low to backstage hardware with the high request of processing routine, reduce the intelligent transportation system dependence to high power capacity hardware, thus improve car plate
The efficiency identified, reduces the consuming of manual identified.
3, QR Quick Response Code of the present invention has the advantages that fault-tolerant ability is strong, has certain error correction, and decoding is reliable
Property high so that in the case of being stained at night or car plate, still can carry out Car license recognition exactly, improve the accurate of Car license recognition
Rate, reduces cost of labor;
4, the present invention uses embedding QR Quick Response Code to realize the making of anti-counterfeiting license plate, has low cost, easily makes, durable,
Bar code symbol shape, the feature of size variable-scale, such that it is able to reduce car plate cost of manufacture, it is achieved economic benefit.
5, the present invention uses encryption QR Quick Response Code, plays effective antiforge function, overcomes existing car plate and makes simple, it is easy to
The shortcoming forged;Ensure that effective management of automotive license plate.
6, the present invention is based on S Wolffram reversible cellular automation method encryption and decryption, and this encryption method random distribution is good, key
Space is big, is effective against exhaustive attack and the attack to key, and security is high, adds the difficulty of forgery, serves very well
Confidentiality;Additionally this encipher-decipher method has high efficiency, can quick encryption and decryption, it is achieved quickly Car license recognition.
7, the false proof automotive license plate of the band QR Quick Response Code that the present invention provides, its antifalsification is embodied in, and first: on false car plate
QR Quick Response Code cannot be deciphered by decryption program, such that it is able to judge that car plate is forged;Second: in the information and date storehouse after deciphering
Information is inconsistent, such that it is able to judge that car plate is forged;Three: QR Quick Response Code image encryption in plain text is converted into ciphertext graph picture, simultaneously
Use encryption rule sequence and encryption evolutionary series dual key, increase key space, have various, not unique, therefore have
Stronger secrecy and antiforge function, and effectively reduce the harmful effect of ghost car plate.
8, the present invention is that intelligent traffic administration system provides car plate QR 2 D code information interface, for research and development associated portable equipment, it is achieved
Traffic police is intelligent, unitized, lighting provides possibility, has a extensive future.
Accompanying drawing explanation
Fig. 1 is the automotive license plate front exemplary plot of band of the present invention encryption QR Quick Response Code;
Fig. 2 is that the present invention is based on S Wolffram invertible element cellular automaton QR Quick Response Code encryption principle figure;
Fig. 3 is that the present invention deciphers schematic diagram based on S Wolffram invertible element cellular automaton QR Quick Response Code.
Detailed description of the invention
In the present embodiment, the automotive license plate of a kind of band encryption QR Quick Response Code, refer at the vapour comprising car plate trade mark information character string s
Car car plate is embedded with the ciphertext graph picture of encryption QR Quick Response Code.As it is shown in figure 1, in the present embodiment, a kind of band encryption QR bis-
The automotive license plate of dimension code includes ciphertext graph picture and car plate trade mark information character string " Anhui A88888 " encrypting QR Quick Response Code;Car
Board trade mark information character string " Anhui A88888 " is followed successively by from left to right: " Anhui " is called for short in the Chinese character province representing province, represents provincial
Prefecture-level city's capitalization English letter numbering " A ", and five vehicle registrations sequence number " 88888 ".
In being embodied as, as in figure 2 it is shown, the ciphertext graph of encryption QR Quick Response Code seems to generate as follows:
Step 1, initialization
Step 1.1, utilize the coding rule of QR Quick Response Code that car plate trade mark information character string s is encoded, it is thus achieved that encryption is initial
QR code 0-1 row vector A1=[a1,a2,…,ah,…,aN];ahRepresent the h element;N represents encryption initial Q R code 0-1 row
Vector A1The sum of middle element;The coding rule of the QR Quick Response Code employed in the present embodiment can be unified with reference to " ISO/IEC
18004-2006 information technology. automatically identify and data capture technique .QR code 2005 bar code symbologies specification ";This
Model2 pattern in the coding rule of bright middle employing QR Quick Response Code, version 7, the mixed characters pattern QR code of Level H are compiled
Code mode;Level H has the correction capacity of highest ranking, such that it is able to improve the reading capability in the case of car plate Quick Response Code is stained;
In specific implementation process, car plate trade mark information character string s is possible not only to comprise car plate trade mark information such as " Anhui A88888 ",
Multiple identity characteristic character string can also be comprised, such as: issuing date character string, mechanism's character string of awaring a certificate, number plate of vehicle type
The character strings such as character string, car owner's identity information, thus form the car plate encrypted characters string with higher antifalsification;This car plate is added
Close character string carries out the coding of step 1.1 again, can be effectively improved anti-counterfeiting performance.Encode for convenience, for car plate encrypted word
Chinese character information in symbol string can also be carried out with numeral numbering or letter representation.
Step 1.2, utilize formula (1) obtain encryption revise QR code 0-1 row vector A2:
A2=randperm (A1) (1)
In formula (1), randperm (A1) representing will encryption initial Q R code 0-1 row vector A1In element random alignment;
Step 1.3, utilize formula (2) obtain S Wolffram invertible element cellular automaton kth evolution rule rk:
rk=rand (m, n) (2)
In formula (2), m, n represent positive integer, and have 1≤m≤n≤256;Rand () represents random function;Rand (m, n) table
Show from integer range [m, n], randomly choose an integer;In the present embodiment, S Wolffram invertible element cellular automaton used refers to
《CellularAutomata Modeling ofPhysical》;
Step 1.4, repeated execution of steps 1.3, thus obtain the encryption evolution rule sequence that K evolution rule is constituted
Ren={ r1,r2,…,rk,…,rK};1≤k≤K;Due to the common restriction of encryption times, decryption time and security, for this
The QR Quick Response Code coded system of the version 7 in embodiment, in selected encryption rule sequence, to answer K to be more than or equal to 10 little for rule number
In equal to 20;
Step 1.5, utilize formula (3) obtain S Wolffram invertible element cellular automaton kth evolution rule rkEvolution times Nk:
Nk=rand (1, N*) (3)
In formula (3), N*Represent a positive integer;Due to the restriction of encryption/decryption speed, in encryption evolutionary series, each rule develops secondary
Number should meet more than or equal to 1 less than or equal to 50.Therefore, in the present embodiment, r is selectedk=rand (m, n) raw in closed interval [1,50]
Become random integers;
Step 1.6, repeated execution of steps 1.5, thus obtain the encryption evolution time Number Sequence that K evolution number of times is constituted
Ien={ N1,N2,…,Nk,…,NK};
Step 2, encryption car plate trade mark information character string
Step 2.1, definition cyclic variable x, x: th encryption cellular state value AxWith (x+1)th time encryption cellular state value Ax+1;
1≤x≤K;And initialize x=1;Then x: th encryption cellular state value AxIt is encryption initial Q R code 0-1 row vector A1;
(x+1)th time encryption cellular state value Ax+1It is encryption and revises QR code 0-1 row vector A2;
Step 2.2, by described x: th encrypt cellular state value AxWith (x+1)th time encryption cellular state value Ax+1As S
The x: th encryption initial state value of Wolffram invertible element cellular automaton;In S Wolffram invertible element cellular automaton, x: th
Encryption cellular state value AxAs the state value of previous moment, (x+1)th time encryption cellular state value Ax+1Shape as current time
State value;And be input simultaneously in S Wolffram invertible element cellular automaton, thus obtain the state value of subsequent time;
Step 2.3, from encryption evolution rule sequence RenIn choose x-th evolution rule rxX: th encryption initial state value is entered
Row encryption evolution time Number Sequence IenMiddle NxSecondary evolution, it is thus achieved that+2 encryption cellular state value A of xthx+2;
Step 2.4, judge that x+1 is whether beyond threshold k;The most then exit execution, thus obtain the of invertible element cellular automaton
K+1 cellular state value AK+1With the K+2 time cellular state value AK+2;Otherwise, the value of x+1 is assigned to x;And return step
Rapid 2.2 perform;
Step 2.5, by the K+1 time cellular state value AK+1With the K+2 time cellular state value AK+2Constitute encryption QR code 0-1
Row vector D=[AK+2,AK+1];Merging order herein must not overturn;
Step 3, generation ciphertext graph picture
Step 3.1 utilizes the decoding rule of QR Quick Response Code encryption QR code 0-1 row vector D to be decoded, it is thus achieved that car plate board
Number information ciphertext character string s';The decoding rule of the QR Quick Response Code employed in the present embodiment can be unified with reference to " ISO/IEC
18004-2006 information technology. automatically identify and data capture technique .QR code 2005 bar code symbologies specification ";Decoding
Process is the inverse process of cataloged procedure;
Step 3.2 utilizes QR image in 2 D code maker, and car plate trade mark information ciphertext character string s' generates encryption QR two dimension
The ciphertext graph picture of code;The present embodiment can use such as QR image in 2 D code makers such as " Quick Response Code generate great master's software ";
Automotive license plate QR Quick Response Code decrypting process is the inverse process of ciphering process, as it is shown on figure 3, encryption QR Quick Response Code
Ciphertext graph seems to read as follows:
Step 1, the ciphertext graph picture of identification encryption QR Quick Response Code
Step 1.1, utilize image in 2 D code scanner scan automotive license plate QR Quick Response Code ciphertext graph picture, it is thus achieved that car plate trade mark information
Ciphertext character string s';The present embodiment can use such as the smart mobile phone of softwares such as " I see " sweep as QR image in 2 D code
Retouch device or other have the electronic equipment of two-dimensional code authentication function;
Step 1.2, utilize the coding rule of QR Quick Response Code that car plate trade mark information ciphertext character string s' is encoded, it is thus achieved that to solve
Close QR code 0-1 row vector D'=[d1,d2,…,dw,…,dW];dwRepresent the w element;W represents in encryption row vector D'
The sum of element;
Step 1.3, according to deciphering QR code 0-1 row vector D'=[d1,d2,…,dw,…,dW], it is thus achieved that S Wolffram invertible element
1st deciphering cellular state value of cellular automaton2nd dimension deciphering born of the same parents' state value
Step 2, initialization
Utilize rotation function rot () to encryption evolution rule sequence Ren={ r1,r2,…,rKAnd encryption evolution time Number Sequence
Ien={ N1,N2,…,NKBe respectively processed, it is thus achieved that deciphering evolution rule sequence Rde={ rK,rK-1,…,r1And deciphering evolution time
Number Sequence Ide={ NK,NK-1,…,N1};Rotation function rot () in the present embodiment is defined as
{rK,rK-1,…,r1}=rot ({ r1,r2,…,rK});Realize the reversion to the parameter in function body 180 °;
Step 3, deciphering car plate trade mark information ciphertext character string s'
Step 3.1, definition cyclic variable y;The y time cellular state value ByWith the y+1 time cellular state value By+1;1≤y≤K;
And initialize y=1;B hereinyAnd By+1Order must not overturn, it is ensured that two groups of data tandem of input have to comply with S every time
The rule of Wolffram invertible element cellular automaton;
Step 3.2, by the y time deciphering cellular state value ByWith the y+1 time deciphering cellular state value By+1As S Wolffram
The y time deciphering initial state value of invertible element cellular automaton;
Step 3.3, from deciphering evolution rule sequence RdeIn choose y-th evolution rule rK+1-yThe y time initial state value is carried out
Deciphering evolution time Number Sequence IdeMiddle NK+1-ySecondary evolution, it is thus achieved that the y+2 time deciphering cellular state value By+2;
Step 3.4, judge that y+1 is whether beyond threshold k;The most then exit execution, thus obtain in decrypting process reversible
The K+2 time deciphering cellular state value B of cellular automataK+2;Otherwise, value y+1 is assigned to y, and returns step 3.2 and perform;
Step 3.5, utilize the K+2 time deciphering to the invertible element cellular automaton in decrypting process of the coding rule of QR Quick Response Code
Cellular state value BK+2It is decoded, thus obtains car plate trade mark information character string s.
Claims (1)
1. an automotive license plate for band encryption QR Quick Response Code, described automotive license plate comprises car plate trade mark information character string s;It is special
Levy and be: in described automotive license plate, be embedded with the ciphertext graph picture of encryption QR Quick Response Code;
The ciphertext graph of described encryption QR Quick Response Code seems to generate as follows:
Step 1, initialization
Step 1.1, utilize the coding rule of QR Quick Response Code that described car plate trade mark information character string s is encoded, it is thus achieved that encryption
Initial Q R code 0-1 row vector A1=[a1,a2,…,ah,…,aN];ahRepresent the h element;N represents described encryption initial Q R
Code 0-1 row vector A1The sum of middle element;
Step 1.2, utilize formula (1) obtain encryption revise QR code 0-1 row vector A2:
A2=randperm (A1) (1)
In formula (1), randperm (A1) represent described encryption initial Q R code 0-1 row vector A1In element random alignment;
Step 1.3, utilize formula (2) obtain S Wolffram invertible element cellular automaton kth evolution rule rk:
rk=rand (m, n) (2)
In formula (2), m, n represent positive integer, and have 1≤m≤n≤256;Rand () represents random function;
Step 1.4, repeated execution of steps 1.3, thus obtain the encryption evolution rule sequence that K evolution rule is constituted
Ren={ r1,r2,…,rk,…,rK};1≤k≤K;
Step 1.5, formula (3) is utilized to obtain the kth evolution rule r of described S Wolffram invertible element cellular automatonkEvolution number of times
Nk:
Nk=rand (1, N*) (3)
In formula (3), N*Represent a positive integer;
Step 1.6, repeated execution of steps 1.5, thus obtain the encryption evolution time Number Sequence that K evolution number of times is constituted
Ien={ N1,N2,…,Nk,…,NK};
Step 2, encrypt described car plate trade mark information character string
Step 2.1, definition cyclic variable x, x: th encryption cellular state value AxWith (x+1)th time encryption cellular state value Ax+1;
1≤x≤K;And initialize x=1;Then x: th encryption cellular state value AxIt is described encryption initial Q R code 0-1 row vector A1;
(x+1)th time encryption cellular state value Ax+1It is described encryption and revises QR code 0-1 row vector A2;
Step 2.2, by described x: th encrypt cellular state value AxWith (x+1)th time encryption cellular state value Ax+1As described S
The x: th encryption initial state value of Wolffram invertible element cellular automaton;
Step 2.3, from described encryption evolution rule sequence RenIn choose x-th evolution rule rxInitial to the encryption of described x: th
State value carries out NxSecondary evolution, it is thus achieved that+2 encryption cellular state value A of xthx+2;
Step 2.4, judge that x+1 is whether beyond threshold k;The most then exit execution, thus obtain the of invertible element cellular automaton
K+1 encryption cellular state value AK+1With the K+2 time encryption cellular state value AK+2;Otherwise, the value of x+1 is assigned to x;
And return step 2.2 and perform;
Step 2.5, by described the K+1 time encryption cellular state value AK+1With the K+2 time encryption cellular state value AK+2Constitute
Encryption QR code 0-1 row vector D=[AK+2,AK+1];
Step 3, generation ciphertext graph picture
Step 3.1, utilize QR Quick Response Code decoding rule described encryption QR code 0-1 row vector D is decoded, it is thus achieved that
Car plate trade mark information ciphertext character string s';
Step 3.2, utilize QR image in 2 D code maker, described car plate trade mark information ciphertext character string s' is generated described in add
The ciphertext graph picture of close QR Quick Response Code.
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CN105150955A (en) * | 2015-09-22 | 2015-12-16 | 厦门精图信息技术股份有限公司 | License plate with license plate copying prevention function and monitoring system and method of license plate |
CN105512702A (en) * | 2015-12-08 | 2016-04-20 | 北汽福田汽车股份有限公司 | Detection method, device, vehicle license plate, vehicle and system of vehicle peccancy |
CN106910367B (en) * | 2017-02-24 | 2019-07-12 | 哈工大机器人集团(哈尔滨)华粹智能装备有限公司 | A kind of vehicle checker based on NB-IOT network |
CN107067484A (en) * | 2017-06-02 | 2017-08-18 | 吴世贵 | Quick Response Code parking fee payment method |
CN107901851A (en) * | 2017-11-13 | 2018-04-13 | 李晓莉 | A kind of new anti-fraud car plate based on Big Dipper positioning |
CN108053545B (en) * | 2017-12-29 | 2020-05-15 | 百度在线网络技术(北京)有限公司 | Certificate verification method and device, server and storage medium |
CN109242079A (en) * | 2018-09-28 | 2019-01-18 | 福建惠通行会展服务有限公司 | A kind of three-dimension code license plate and license plate management service system |
CN111539496A (en) * | 2020-04-20 | 2020-08-14 | 山东确信信息产业股份有限公司 | Vehicle information two-dimensional code generation method, two-dimensional code license plate, authentication method and system |
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CN102129589A (en) * | 2011-02-10 | 2011-07-20 | 谢仁康 | Asymmetric encryption two-dimension code anti-counterfeiting method |
CN203267949U (en) * | 2013-01-14 | 2013-11-06 | 马赫 | Anti-counterfeiting license plate system based on two-dimensional code |
CN203237174U (en) * | 2013-05-24 | 2013-10-16 | 四川通安实业有限公司 | Multiple-anti-counterfeiting-function license plate with laser anti-counterfeiting code |
CN104268610B (en) * | 2014-09-11 | 2017-09-01 | 重庆大学 | One kind classification QR code generating methods and read method |
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