CN107423797B - Anti-counterfeiting code information generation method - Google Patents
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
- G06K19/00—Record carriers for use with machines and with at least a part designed to carry digital markings
- G06K19/06—Record carriers for use with machines and with at least a part designed to carry digital markings characterised by the kind of the digital marking, e.g. shape, nature, code
- G06K19/06009—Record carriers for use with machines and with at least a part designed to carry digital markings characterised by the kind of the digital marking, e.g. shape, nature, code with optically detectable marking
- G06K19/06037—Record carriers for use with machines and with at least a part designed to carry digital markings characterised by the kind of the digital marking, e.g. shape, nature, code with optically detectable marking multi-dimensional coding
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- G06F16/00—Information retrieval; Database structures therefor; File system structures therefor
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- G06K19/00—Record carriers for use with machines and with at least a part designed to carry digital markings
- G06K19/06—Record carriers for use with machines and with at least a part designed to carry digital markings characterised by the kind of the digital marking, e.g. shape, nature, code
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Abstract
The invention discloses an anti-counterfeiting code information generation method, which comprises the following steps: step one, establishing a value color table and a picture library; step two, the external system starts the anti-counterfeiting information generation process through parameter calling, wherein the parameters comprise an internal code, Url and a prefix; combining the Url, the prefix and the inner code, calculating a check code of the Url, the prefix, the inner code and the check code, and then combining the Url, the prefix, the inner code and the check code to form a two-dimensional code; step four, generating an anti-counterfeiting numerical value information list; step five, calculating the total number of anti-counterfeiting pictures in the picture library through picture indexes in the two-dimensional codes obtained in the step three, taking a module of the calculation result to obtain the picture indexes, and then obtaining the corresponding anti-counterfeiting pictures from the picture library; and step six, combining the two-dimensional code formed in the step three, the anti-counterfeiting numerical value information list formed in the step four and the anti-counterfeiting picture obtained in the step five to generate anti-counterfeiting code information. The anti-counterfeiting code information generation method is simple to call and low in data storage pressure.
Description
Technical Field
The invention belongs to the technical field of anti-counterfeiting information, and particularly relates to an anti-counterfeiting code information generation method.
Background
With continuous progress of scientific technology and continuous development of economy, more and more fake and fake products become outstanding problems in the economic development process, the existence of the fake and fake products not only infringes the benefits of consumers, but also brings serious economic loss to manufacturers and sellers and seriously disturbs social order, so that anti-fake codes are printed on a plurality of products to serve as marks for identifying the fake and fake products. However, the existing method for generating the anti-counterfeiting code has the problems of large data storage capacity and complex calling.
Disclosure of Invention
The invention aims to: aiming at the problems in the prior art, the anti-counterfeiting code information generation method is provided, the data storage capacity pressure is low, and the calling is simple.
In order to achieve the purpose, the invention adopts the technical scheme that:
an anti-counterfeiting code information generation method comprises the following steps:
the method comprises the steps of firstly, creating a value color table and a picture library, wherein the value color table is used for describing the combination relationship of an anti-counterfeiting value, an anti-counterfeiting value color and a value color index value, and the picture library stores a plurality of anti-counterfeiting pictures in advance;
step two, the external system starts the anti-counterfeiting information generation process by calling parameters, wherein the parameters comprise an internal code, Url and a prefix;
combining the Url, the prefix and the inner code, calculating a check code of the Url, the prefix, the inner code and the check code, and then combining the Url, the prefix, the inner code and the check code to form a two-dimensional code;
step four, a group of assigned bit values are taken from the two-dimensional code in the step three, corresponding value color index numerical values are obtained after value color index calculation is carried out and the calculation results are respectively modulo the item numbers of the value color index numerical values in the value color table, search is carried out in the value color table according to the value color index to obtain anti-counterfeiting numerical values and anti-counterfeiting numerical value colors corresponding to the value color index numerical values, and an anti-counterfeiting numerical value information list with color numerical values is formed according to the anti-counterfeiting numerical values and the anti-counterfeiting numerical value colors;
step five, calculating the total number of anti-counterfeiting pictures in the picture library through picture indexes in the two-dimensional codes obtained in the step three, taking a module of the calculation result to obtain the picture indexes, and then obtaining the corresponding anti-counterfeiting pictures from the picture library;
and step six, combining the two-dimensional code formed in the step three, the anti-counterfeiting numerical value information list formed in the step four and the anti-counterfeiting picture obtained in the step five to generate anti-counterfeiting code information.
Preferably, the external system in the second step is an anti-counterfeit service system, the internal code is a decimal value pre-stored in the anti-counterfeit service system, and before the Url, the prefix and the internal code are combined in the third step and the check code is calculated, the decimal internal code is converted into a multi-system code.
Preferably, in step three, the check code is calculated by the following method: and carrying out encryption calculation on an original character string consisting of the prefix and the internal code, then obtaining an encrypted character string ASCII sum, and carrying out modulus operation on the ASCII sum and the item number of the anti-counterfeiting value and adding 1 to obtain the check code.
Preferably, the value color index calculation method is as follows: performing encryption calculation on a character string consisting of the prefix, the internal code and the check code of the two-dimensional code in the step three, and then performing encryption calculation on the ith, i + j in the character string1-1、...、i+jn-1Bit, n bit respectively take ASCII value to carry on ASCII calculation, the result of calculation is to the number of item of the value color index value to get n value color index value respectively; where i is an integer bit character from the left of the string and j is an integer bit interval.
It is further preferred that, in particular,
calculating the index value corresponding to the ith bit into ASCII values of the ith, i +1 and i +2 bits respectively;
obtaining the sum of ASCII values according to the (i-th ASCII value multiplied by 1) + (i + 1-th ASCII value multiplied by 2) + (i + 2-th ASCII value multiplied by 3) + 1;
taking the ASCII value sum to the modulus of the item number of the value color index value to obtain an index value corresponding to the ith bit;
and sequentially calculating the color index values of the remaining n-1 values according to the calculation method.
Preferably, the process of calculating the picture index in the step five includes performing encryption calculation on a character string composed of the prefix, the inner code and the check code of the two-dimensional code in the step three to obtain an ASCII sum of the encrypted character string, and then performing modulo operation on the total number of the pictures to obtain the picture index.
Preferably, the anti-counterfeiting code information generated in the sixth step further comprises character string ID information consisting of a prefix and an inner code.
Due to the adoption of the technical scheme, the invention has the beneficial effects that:
the anti-counterfeiting code generation method disclosed by the invention contains information such as the label ID, the two-dimensional code data, the anti-counterfeiting verification number and color, the anti-counterfeiting picture and the like, and is high in encryption strength and not easy to crack; when in calling, only Url, prefix and internal code need to be given, the algorithm can generate all anti-counterfeiting information, and the calling is simple and convenient; corresponding relation data among the internal code, the bar code and the anti-counterfeiting information does not need to be established, and the data storage pressure is greatly reduced.
Drawings
FIG. 1 is a three-set anti-counterfeiting code information diagram of the present invention.
FIG. 2 is a table of anti-counterfeit value information according to the present invention.
Fig. 3 is a diagram of an anti-counterfeiting picture of the invention.
FIG. 4 is a diagram showing the structure of each part of the anti-counterfeit code information according to the present invention.
Detailed Description
The invention discloses a method for generating anti-counterfeiting code information as shown in figure 1, which comprises the following steps:
the method comprises the steps of firstly, creating a value color table and a picture library, wherein the value color table is used for describing the combination relationship of anti-counterfeiting values, anti-counterfeiting value colors and value color index values, and the picture library stores a plurality of anti-counterfeiting pictures in advance.
The combination of values and colors can be described by a two-dimensional table, called a value color table, as shown in table 1.
TABLE 1 color table of values
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | |
| Black colour | 0 | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 |
| Orange | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 |
| |
18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 |
| Red wine | 27 | 28 | 29 | 30 | 31 | 32 | 33 | 34 | 35 |
| Purple pigment | 36 | 37 | 38 | 39 | 40 | 41 | 42 | 43 | 44 |
| Blue (B) | 45 | 46 | 47 | 48 | 49 | 50 | 51 | 52 | 53 |
| Green | 54 | 55 | 56 | 57 | 58 | 59 | 60 | 61 | 62 |
| Green leaf of Chinese cabbage | 63 | 64 | 65 | 66 | 67 | 68 | 69 | 70 | 71 |
In table 1, row 1 is the security value, column 1 is the security value color, and the other values are the value color index values, e.g., 30 indicates that the security value is 4 and the color of 4 is red.
And step two, the external system starts the anti-counterfeiting information generation process through parameter calling, wherein the parameters comprise an internal code, Url and a prefix. The system is an anti-counterfeiting service system, the internal code in the embodiment is a decimal value pre-stored in the anti-counterfeiting service system, and all anti-counterfeiting information can be obtained from the internal code through an algorithm. Url is website information prefixed by a custom, such as SC, for Sichuan abbreviation.
And step three, combining the Url, the prefix and the inner code, calculating a check code of the Url, the prefix, the inner code and the check code, and then combining the Url, the prefix, the inner code and the check code to form the two-dimensional code.
Before combining Url, prefix and inner code, the inner code is first converted into multi-system, and the multi-system uses more characters in each digit to represent the number, such as A represents 10, B represents 11, and the like, so that the coding length can be effectively compressed. When using 33, a decimal number up to 1185920 may be represented with only 4 characters.
For example, the call parameters are:
inner code: 3267944, respectively;
Url：http://www.cdxdl.com/？id＝；
prefix: SC;
in this example, the decimal inner code is converted into 33 systems, and the inner code 3267944 obtains a 33 system code 11113 RXMM;
the algorithm of the check code is as follows: and encrypting the prefix and the multi-system code, then taking an ASCII value of an encryption result and adding the ASCII value, and finally taking a module of the sum and adding 1.
Original character string: SC11113 RXMM;
after encryption: 268804160B380F41188BFE41448A8521, the encryption calculation process only needs to adopt a common encryption calculation method, and the encryption calculation process is not specifically explained in the present example;
ASCII and: 1759, adding a binder to the mixture;
taking the modulus of 9 and adding 1 to obtain the check code: 5; wherein 9 is the number of items of the anti-counterfeiting value, the value color table shows the first behavior 1-9 and is the 9 anti-counterfeiting value.
The finally generated two-dimensional code content is as follows:
http://www.cdxdl.com/？id＝SC11113RXVM5。
and step four, a group of assigned bit values are taken from the two-dimensional code in the step three, corresponding value color index numerical values are obtained after value color index calculation is carried out and the calculation results are respectively modulo the item numbers of the value color index numerical values in the value color table, search is carried out in the value color table according to the value color index to obtain anti-counterfeiting numerical values and anti-counterfeiting numerical value colors corresponding to the value color index numerical values, and an anti-counterfeiting numerical value information list with color numerical values is formed according to the anti-counterfeiting numerical values and the anti-counterfeiting numerical value colors.
Performing encryption calculation on a character string consisting of the prefix, the internal code and the check code of the two-dimensional code in the step three, and then performing encryption calculation on the ith, i + j in the character string1-1、...、i+jn-1Bit, n bit respectively take ASCII value to carry on ASCII calculation, the result of calculation is to the number of item of the value color index value to get n value color index value respectively; where i is an integer bit character from the left of the string and j is an integer bit interval.
Specifically, the i-th bit corresponds to the index value calculated as the ASCII value of the i-th, i +1, i + 2-th bit, respectively;
obtaining the sum of ASCII values according to the (i-th ASCII value multiplied by 1) + (i + 1-th ASCII value multiplied by 2) + (i + 2-th ASCII value multiplied by 3) + 1;
taking the ASCII value sum to the modulus of the item number of the value color index value to obtain an index value corresponding to the ith bit;
and sequentially calculating the color index values of the remaining n-1 values according to the calculation method.
In this example:
the prefix, the multi-system code and the check code are encrypted, and then ASCII values are taken from 34, 36, 38, 40 and 42 bits in the encrypted character string for calculation to obtain a value color index list.
Original character string: SC11113RXVM 5;
after encryption:
2B174C09F56606D9963F6163FBBE8C23FC17CF01C6F49A333757ABB2AF8BEOCA31C4492FD5F1B08；
take ASCII (first value color index for example): positions 34-36 are 67, 49 and 55 respectively
ASCII addition (first value color index for example): 67 x 1+49 x 2+55 x 3+1 x 331;
modulo 72 (taking the first value color index as an example): 43(72 is number of numerical items of color index in color table)
The five color index values obtained are 43, 17, 2, 67 and 51 respectively.
The obtained value color index numerical value is indexed into a value color table 1, and a value color index list shown in a table 2 is established.
TABLE 2 value color index List
And obtaining an anti-counterfeiting numerical value information list shown in figure 2 according to the value color index list.
And step five, calculating the total number of the anti-counterfeiting pictures in the picture library from the two-dimensional code obtained in the step three through picture indexes, taking a module of the calculation result to obtain the picture indexes, and then obtaining the corresponding anti-counterfeiting pictures from the picture library.
And the picture index calculation process comprises the steps of carrying out encryption calculation on a character string consisting of the prefix, the inner code and the check code of the two-dimensional code in the step three to obtain the ASCII sum of the encrypted character string, and then carrying out modulus operation on the total number of the picture to obtain the picture index.
In this example:
original character string: SC11113RXVM 5;
after encryption: 268804160B380F41B81B1609F06ED677
ASCII and: 1777;
taking a model from 6: 1(6 is the total number of pictures);
figure 1 is the 1 st picture shown in figure 3.
And step six, combining the two-dimensional code formed in the step three, the anti-counterfeiting numerical value information list formed in the step four and the anti-counterfeiting picture obtained in the step five to generate anti-counterfeiting code information, as shown in fig. 4.
The generated anti-counterfeiting code information also comprises character string ID information consisting of a prefix and an internal code.
Claims (5)
1. An anti-counterfeiting code information generation method is characterized by comprising the following steps:
the method comprises the steps of firstly, creating a value color table and a picture library, wherein the value color table is used for describing the combination relationship of an anti-counterfeiting value, an anti-counterfeiting value color and a value color index value, and the picture library stores a plurality of anti-counterfeiting pictures in advance;
step two, the external system calls through parameters to start an anti-counterfeiting information generation process, wherein the parameters comprise an internal code, Url and a prefix;
combining the Url, the prefix and the inner code, calculating a check code of the Url, the prefix, the inner code and the check code, and then combining the Url, the prefix, the inner code and the check code to form a two-dimensional code;
step four, a group of assigned bit values are taken from the two-dimensional code in the step three, corresponding value color index numerical values are obtained after value color index calculation is carried out and the calculation results are respectively modulo the item numbers of the value color index numerical values in the value color table, search is carried out in the value color table according to the value color index to obtain anti-counterfeiting numerical values and anti-counterfeiting numerical value colors corresponding to the value color index numerical values, and an anti-counterfeiting numerical value information list with color numerical values is formed according to the anti-counterfeiting numerical values and the anti-counterfeiting numerical value colors;
step five, calculating the total number of anti-counterfeiting pictures in the picture library through picture indexes in the two-dimensional codes obtained in the step three, taking a module of the calculation result to obtain the picture indexes, and then obtaining the corresponding anti-counterfeiting pictures from the picture library;
combining the two-dimensional code formed in the step three, the anti-counterfeiting numerical value information list formed in the step four and the anti-counterfeiting picture obtained in the step five to generate anti-counterfeiting code information;
the value color index calculation method comprises the following steps: performing encryption calculation on a character string consisting of the prefix, the internal code and the check code of the two-dimensional code in the step three, and then performing encryption calculation on the ith, i + j in the character string1-1、...、i+jn-1Bit, n bit respectively take ASCII value to carry on ASCII calculation, the result of calculation is to the number of item of the value color index value to get n value color index value respectively; wherein i is an integer bit character from the left of the string, and j is an integer bit interval;
in particular, the amount of the solvent to be used,
calculating the index value corresponding to the ith bit into ASCII values of the ith, i +1 and i +2 bits respectively;
obtaining the sum of ASCII values according to the (i-th ASCII value multiplied by 1) + (i + 1-th ASCII value multiplied by 2) + (i + 2-th ASCII value multiplied by 3) + 1;
taking the ASCII value sum to the modulus of the item number of the value color index value to obtain an index value corresponding to the ith bit;
and sequentially calculating the color index values of the remaining n-1 values according to the calculation method.
2. The method according to claim 1, wherein the external system in step two is an anti-counterfeit service system, the internal code is a decimal value pre-stored in the anti-counterfeit service system, and the decimal internal code is converted into a multi-progressive code before Url, the prefix and the internal code are combined in step three and the check code is calculated.
3. The method for generating anti-counterfeiting code information according to claim 1 or 2, wherein in the third step, the check code is calculated by: and carrying out encryption calculation on an original character string consisting of the prefix and the internal code, then obtaining an encrypted character string ASCII sum, and carrying out modulus operation on the ASCII sum and the item number of the anti-counterfeiting value and adding 1 to obtain the check code.
4. The method for generating anti-counterfeiting code information according to claim 1, wherein the step five of calculating the picture index comprises the steps of carrying out encryption calculation on a character string consisting of the prefix, the internal code and the check code of the two-dimensional code in the step three to obtain an ASCII sum of the encrypted character string, and then carrying out modulo on the total number of pictures to obtain the picture index.
5. The method for generating anti-counterfeiting code information according to claim 1, wherein the anti-counterfeiting code information generated in the sixth step further comprises character string ID information consisting of a prefix and an inner code.
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| CN111612476B (en) * | 2020-05-09 | 2023-04-07 | 艾斯芸防伪科技(福建)有限公司 | Secondary check anti-counterfeiting method, device, equipment and storage medium |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2009160089A (en) * | 2007-12-28 | 2009-07-23 | Daito Giken:Kk | Game machine, game medium for game machine, and method of displaying code |
| CN102779456A (en) * | 2011-05-11 | 2012-11-14 | 郑进 | Anti-counterfeiting method through covering |
| CN103065177A (en) * | 2012-12-14 | 2013-04-24 | 苏州阔地网络科技有限公司 | Coding method and system of two-dimension code |
| CN206134114U (en) * | 2016-08-31 | 2017-04-26 | 广州科琳电子科技有限公司 | Colored two -dimensional code texture antifalsification label |
| CN106935131A (en) * | 2017-03-30 | 2017-07-07 | 成都印钞有限公司 | A kind of anti-fake two-dimension code |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7624928B2 (en) * | 2005-11-18 | 2009-12-01 | Fuji Xerox Co., Ltd. | Method and apparatus for making tags, tag, and system for managing articles |
| CN103093355B (en) * | 2011-11-02 | 2016-04-13 | 李华容 | A kind of based on two-dimensional code anti-counterfeiting label and label producing method |
| CN103264529B (en) * | 2013-04-25 | 2016-06-15 | 安徽庆丰余防伪科技有限公司 | Colorful digital form fate change correspondence reviews label production technology |
| CN105930892A (en) * | 2016-04-22 | 2016-09-07 | 深圳活悦网络科技有限公司 | Variable logo two-dimensional code anti-counterfeiting method and system |
| CN106204058B (en) * | 2016-06-23 | 2019-07-05 | 合肥学院 | A kind of colorful number matrix two-dimensional code and its method for anti-counterfeit |
| CN106952104B (en) * | 2017-04-01 | 2024-01-12 | 易事软件(厦门)股份有限公司 | Anti-counterfeiting method and system capable of improving authenticity checking efficiency |
-
2017
- 2017-07-31 CN CN201710641825.5A patent/CN107423797B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2009160089A (en) * | 2007-12-28 | 2009-07-23 | Daito Giken:Kk | Game machine, game medium for game machine, and method of displaying code |
| CN102779456A (en) * | 2011-05-11 | 2012-11-14 | 郑进 | Anti-counterfeiting method through covering |
| CN103065177A (en) * | 2012-12-14 | 2013-04-24 | 苏州阔地网络科技有限公司 | Coding method and system of two-dimension code |
| CN206134114U (en) * | 2016-08-31 | 2017-04-26 | 广州科琳电子科技有限公司 | Colored two -dimensional code texture antifalsification label |
| CN106935131A (en) * | 2017-03-30 | 2017-07-07 | 成都印钞有限公司 | A kind of anti-fake two-dimension code |
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