CN102819812A - Anti-cheating system for tracing agricultural products based on chaos encryption algorithm - Google Patents
Anti-cheating system for tracing agricultural products based on chaos encryption algorithm Download PDFInfo
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- CN102819812A CN102819812A CN2012102524337A CN201210252433A CN102819812A CN 102819812 A CN102819812 A CN 102819812A CN 2012102524337 A CN2012102524337 A CN 2012102524337A CN 201210252433 A CN201210252433 A CN 201210252433A CN 102819812 A CN102819812 A CN 102819812A
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Abstract
The invention discloses an anti-cheating system for tracing agricultural products based on a chaos encryption algorithm. The anti-cheating system comprises a managing system, a scanning terminal, an inquiring terminal and multiple radio frequency identification devices (RFID) cards. Agricultural products provided with the RFID cards are scanned by the scanning terminal in each link from seeding to the eating, and related information of the agricultural products is input into the scanning terminal after putting an account password into the scanning terminal; the scanning terminal scans the RFID cards which are provided on a batch of the agricultural products, and encrypts into encrypted information by the chaos encryption algorithm and then encrypted data is sent to the managing system which is used for storing information sent by a general packet radio service (GPRS) after a receiving end receives the information; if a user wants to know a process of producing the agricultural products to be eaten, the RFID information is logged to the managing system through the GPRS by the inquiring terminal, the agricultural product information to be inquired is decrypted by the managing system and is sent back by the GPRS, and then the information is displayed after being received by the inquiring terminal. The system has the advantages of good encryption and convenient for inquiring.
Description
Technical field
The present invention relates to a kind of anti-cheating agricultural product traceability system based on chaos encryption algorithm.
Background technology
Along with development of science and technology; The mankind have created increasing wealth, and the food on the dining table is horn of plenty more also, and people can have fresh vegetables throughout the year; What but food-safety problem showed in recent years is more and more important, has occurred a lot of food poisonings both at home and abroad.Along with pay attention to day by day to food security, some agricultural product traceability systems have appearred, because these systems have comprised the details of process of producing product, these information are obtained by the rival easily.Some illegal businessman is the change production information of possibility malice also.So, develop that a kind of agricultural product producer oneself can not change and system that the rival also can't obtain product information just seems particularly important.
Summary of the invention
The objective of the invention is the anti-cheating agricultural product traceability system based on chaos encryption algorithm, review to solve food source and production run, prevent that producer's malice from distorting production information, the protection production information is not obtained by the rival.
For realizing above-mentioned purpose, the present invention realizes through following technical scheme:
A kind of anti-cheating agricultural product traceability system based on chaos encryption algorithm; Comprise management system, end of scan, inquiry terminal and a plurality of rfid card; For each batch agricultural product are worn rfid card, agricultural product all pass through end of scan scanning from being seeded into edible preceding each link; In the scanning agricultural product information, the input account password gets into end of scan, and with agricultural product information, current time and end of scan numbering, end of scan utilizes chaos encryption algorithm to be encrypted to ciphertext, and data encrypted sends to management system through GPRS; The management system receiving end is stored after receiving the information of GPRS transmission; If the user wonders the process of production in food agricultural produce; Through inquiry terminal RFID information is logged on management system through GPRS; Management system through deciphering, sends the agricultural product information of being inquired about return through GPRS, and inquiry terminal shows after receiving.
Wherein, described chaos encryption algorithm, method is following:
1, the generation of chaos sequence
What produce the chaos sequence employing is the Henon mapping, and formula is following:
In the formula, x
N+1Expression x
nThe value that produces after the iteration 1 time, x
nThe value that the n time back of expression initial value iteration produces, a, b representes controlled variable, value is respectively a=1.4, b=0.3;
The quantitative formula of formula (1) is: k
i=x
i* 10
8Mod255
k
iExpression x
nValue after the quantification, k
i(i=1,2 ..., n) be chaos sequence;
2, the application of chaos algorithm in this patent
(2.1) information stores process: agricultural product information scans into after the system, carries out byte-by-byte transmission with the sixteen bit scale-of-two, and stores, and in transmission course, carries out following computing
C
i＝f
i^k
i(i＝1，2，.......，n) (2)
In the formula, k
iPromptly be i position by the definite chaos sequence of Henon mapping, f
iBe agricultural product information i position expressly, C
iBe the i position of the food security information ciphertext after the encryption, formula (2) through to agricultural product information expressly f and chaos sequence k carry out producing after the XOR information C that the form that comprises the ciphertext that food security information still can not discern with the third party exists,
(2.2) information reads process: when food security information need read, from storer, read ciphertext C, carry out byte-by-byte transmission with the sixteen bit scale-of-two, in transmission course, carry out following computing:
f
i＝C
i^k
i(i＝1，2，.......，n) (3)
In the formula, k
iPromptly be i position by the definite chaos sequence of Henon mapping, C
iBe the i position of the agricultural product information ciphertext after the encryption in the storer, f
iBe agricultural product information i position expressly, formula (3) through to the encryption of reading in the storer agricultural product information C and chaos sequence k carry out producing after the XOR and comprise agricultural product information plaintext f.
Beneficial effect of the present invention is: conventional agricultural product traceability system not only can be known product security information; The business information that has comprised a lot of agricultural product production runes equally; In anti-cheating traceability system, in the typing agricultural product information, entry information is encrypted, become ciphertext through chaos encryption, because ciphertext can not be discerned owing to chaos encryption algorithm; Have only when needs are checked; Become expressly through chaos encryption algorithm again, read, in information stores and transmission, avoided the possibility of being stolen by the rival like this.Conventional agricultural product traceability system database is all expressly deposited, and so just has illegal businessman database is made amendment, after product information is encrypted through chaos algorithm; The crops production information all is to deposit with ciphertext; The information of lane database can't Direct Recognition, so can't make amendment to database, can decipher when reading; But reading terminals can only read and can not revise, and has so just avoided malice to distort production information.The chaos encryption algorithm of each other system of agricultural production strain is all established different initial values, and each all possesses the authority of oneself like this, has avoided stolen, and each identification terminal all is unique, has avoided assuming another's name signing, and has guaranteed the validity of recorded information.It is untouchable to use rfid card identification to have among the design, has reduced the pollution in the scanning process like this, and adopts gprs system, is convenient on the car that flows, upload agricultural product information, has prevented losing of information.
Description of drawings
Fig. 1 is the described anti-cheating agricultural product traceability system block scheme based on chaos encryption algorithm of the embodiment of the invention;
Fig. 2 is a data typing process block scheme;
Fig. 3 is a data query process block scheme.
Embodiment
Embodiment 1:
Certain batch of tomato production process was reviewed, and this batch tomato is worn rfid card (card number 02109092913), had carried out insecticide spraying on March 2nd, 2012, the auspicious tinkling of pieces of jade pesticide of pesticide name, and consumption 2L/ hectare sprays people king master worker.Tomato got into the dining table of Li Nvshijia on May 3rd, the most 1 through a series of production runes (other processes are omited, and workflow is consistent with the spray medicine), and the result vomitted the edible same day, and the edible vegetable kind is a lot, but suspection is tomato, need review reason.
Spray medicine process:
The king master worker receives the task of will carry out pesticide spraying; The king master worker is with identity information and my password " 1.4+0.3 " entry terminal; Title, consumption input scan terminal with pesticide; And with the RFID scanning of end of scan with this batch tomato; End of scan has just obtained the information of this operation and " has sprayed auspicious tinkling of pieces of jade pesticide, consumption 2L/ hectare, ID 02109092913, sprays people king master worker, on March 2nd, 2012 ", and the chaos algorithm in the terminal carries out loop computation according to chaos sequence algorithm and the initial value of receiving, produces new numerical value and gets and carry out mould 255 computings as chaos sequence.The information that end of scan will " spray auspicious tinkling of pieces of jade pesticide, consumption 2L/ hectare, ID 02109092913, spray people king master worker, on March 2nd, 2012 " combines with chaos sequence; Produce " pinch admittedly speed kind sound of sighing this wipe Gansu Province? look achievement kind sound of sighing ellipse village nation of nation plant sound of sighing Liu Zhuan help the foolish modern village cruel 1＜hang achievement friend nation to sacrifice one's life for ", and be transferred to management system through GPRS.
Trace back process:
Mrs Li finds the supermarket; Search request is proposed; The supermarket is with inquiry terminal scanning rfid card and input password " 1.4+0.3 "; Inquiry terminal is transferred to management system with the ID " 02109092913 " and the password of rfid card through GPRS; Management system accesses the record in this process of producing product to come according to ID, the information of wherein spraying insecticide for " pinch admittedly speed kind sound of sighing this wipe Gansu Province? look achievement kind sound of sighing ellipse village nation of nation plant sound of sighing Liu Zhuan help the foolish modern village cruel 1＜hang achievement friend nation to sacrifice one's life for ", be transferred to inquiry terminal through GPRS; Chaos algorithm in the inquiry terminal carries out loop computation according to chaos sequence algorithm and the initial value of receiving; Produce new numerical value and get and carry out mould 255 computings as chaos sequence, inquiry terminal combines above-mentioned information with chaos sequence, produces " spray auspicious tinkling of pieces of jade pesticide, consumption 2L/ hectare, ID 02109092913, spray people king master worker, on March 2nd, 2012 " and shows.
Other processes:
If the rival wants to steal data; Intercept and capture GPRS information or invade management system through intercepting and capturing technology; Then see be " pinch admittedly speed kind sound of sighing this wipe Gansu Province? look achievement kind sound of sighing ellipse village nation of nation plant sound of sighing Liu Zhuan help the foolish modern village cruel 1＜hang achievement friend nation to sacrifice one's life for "; Through these data, what the rival did not know that the manufacturer uses is any agricultural chemicals.
If processing factory is in order to sell agricultural product into more senior place; Want to be modified as the sharp pesticide of antelope to the auspicious tinkling of pieces of jade pesticide of pesticide name inferior; So his entrance management system; But see equally and be " pinch admittedly speed kind sound of sighing this wipe Gansu Province? look achievement kind sound of sighing ellipse village nation of nation plant sound of sighing Liu Zhuan help the foolish modern village cruel 1＜hang achievement friend nation to sacrifice one's life for " of this sort data, do not know to replace which data.
Claims (2)
1. anti-cheating agricultural product traceability system based on chaos encryption algorithm; Comprise management system, end of scan, inquiry terminal and a plurality of rfid card; It is characterized in that: for each batch agricultural product are worn rfid card, agricultural product all pass through end of scan scanning from being seeded into edible preceding each link; In the scanning agricultural product information; The input account password gets into end of scan; With agricultural product relevant information input scan terminal; And the rfid card scanning of this batch agricultural product being worn with end of scan, end of scan utilizes chaos encryption algorithm to be encrypted to ciphertext, and data encrypted sends to management system through GPRS; The management system receiving end is stored after receiving the information of GPRS transmission; If the user wonders the process of production in food agricultural produce; Through inquiry terminal RFID information is logged on management system through GPRS; Management system through deciphering, sends the agricultural product information of being inquired about return through GPRS, and inquiry terminal shows after receiving.
2. according to a kind of anti-cheating agricultural product traceability system of claim, it is characterized in that based on chaos encryption algorithm: described chaos encryption algorithm, method is following:
(1), the generation of chaos sequence
What produce the chaos sequence employing is the Henon mapping, and formula is following:
In the formula, x
N+1Expression x
nThe value that produces after the iteration 1 time, x
nThe value that the n time back of expression initial value iteration produces, a, b representes controlled variable, value is respectively a=1.4, b=0.3;
The quantitative formula of formula (1) is: k
i=x
i* 10
8Mod255
k
iExpression x
nValue after the quantification, k
i(i=1,2 ..., n) be chaos sequence;
(2), the application of chaos algorithm in this patent
(2.1) information stores process: agricultural product information scans into after the system, carries out byte-by-byte transmission with the sixteen bit scale-of-two, and stores, and in transmission course, carries out following computing
C
i＝f
i^k
i(i＝1，2，......，n) (2)
In the formula, k
iPromptly be i position by the definite chaos sequence of Henon mapping, f
iBe agricultural product information i position expressly, C
iBe the i position of the food security information ciphertext after the encryption, formula (2) through to agricultural product information expressly f and chaos sequence k carry out producing after the XOR information C that the form that comprises the ciphertext that food security information still can not discern with the third party exists,
(2.2) information reads process: when food security information need read, from storer, read ciphertext C, carry out byte-by-byte transmission with the sixteen bit scale-of-two, in transmission course, carry out following computing
f
i＝C
i^k
i(i＝1，2，......，n) (3)
In the formula, k
iPromptly be i position by the definite chaos sequence of Henon mapping, C
iBe the i position of the agricultural product information ciphertext after the encryption in the storer, f
iBe agricultural product information i position expressly, formula (3) through to the encryption of reading in the storer agricultural product information C and chaos sequence k carry out producing after the XOR and comprise agricultural product information plaintext f.
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103692981A (en) * | 2013-12-17 | 2014-04-02 | 五邑大学 | Chaotic-encryption-technology-based LED (Light Emitting Diode) electronic license plate and encoding and decoding method thereof |
| CN104766124A (en) * | 2014-01-03 | 2015-07-08 | 航天信息股份有限公司 | Method and system for safety tracing of packaged foods |
| CN108182482A (en) * | 2017-11-20 | 2018-06-19 | 广东中科南海岸车联网技术有限公司 | The cultivation monitoring method and device of long-term cropping based on block chain |
| CN110006831A (en) * | 2019-03-19 | 2019-07-12 | 江苏大学 | A kind of instant tea powder Quality Safety retrospective device and method based on Fast Detection Technique |
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| CN201974855U (en) * | 2011-04-06 | 2011-09-14 | 河北寰众电子科技有限公司 | Food safety tracing visualizing system |
| CN102542310A (en) * | 2011-12-30 | 2012-07-04 | 威海逸云数字传媒有限公司 | Painting and calligraphy source-tracing instrumented method adopting electronic picture seal |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| US20110169636A1 (en) * | 2004-02-02 | 2011-07-14 | United Parcel Service Of America, Inc. | System and Method for Generating a Transporting Instruction Using an Environmental Sensor |
| CN201974855U (en) * | 2011-04-06 | 2011-09-14 | 河北寰众电子科技有限公司 | Food safety tracing visualizing system |
| CN102542310A (en) * | 2011-12-30 | 2012-07-04 | 威海逸云数字传媒有限公司 | Painting and calligraphy source-tracing instrumented method adopting electronic picture seal |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103692981A (en) * | 2013-12-17 | 2014-04-02 | 五邑大学 | Chaotic-encryption-technology-based LED (Light Emitting Diode) electronic license plate and encoding and decoding method thereof |
| CN103692981B (en) * | 2013-12-17 | 2017-02-01 | 五邑大学 | Chaotic-encryption-technology-based LED (Light Emitting Diode) electronic license plate and encoding and decoding method thereof |
| CN104766124A (en) * | 2014-01-03 | 2015-07-08 | 航天信息股份有限公司 | Method and system for safety tracing of packaged foods |
| CN108182482A (en) * | 2017-11-20 | 2018-06-19 | 广东中科南海岸车联网技术有限公司 | The cultivation monitoring method and device of long-term cropping based on block chain |
| CN110006831A (en) * | 2019-03-19 | 2019-07-12 | 江苏大学 | A kind of instant tea powder Quality Safety retrospective device and method based on Fast Detection Technique |
| CN110006831B (en) * | 2019-03-19 | 2021-10-12 | 江苏大学 | Instant tea powder quality safety tracing device and method based on rapid detection technology |
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Application publication date: 20121212 |