A method for generating a commodity anti-counterfeiting code

A product anti-counterfeiting code and product technology, which is applied in commerce, equipment, data processing applications, etc., can solve problems such as complex calculations, low security, and limited codes of product identity information, and achieve strong security, difficult to crack, and generation methods Simple and Actionable Effects

Inactive Publication Date: 2017-11-28
NANTONG UNIVERSITY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The existing digital anti-counterfeiting technology basically uses a pseudo-random sequence or an ordered serial number to generate a commodity anti-counterfeiting code after DES symmetric encryption, which has certain differences with the performance requirements of the commodity anti-counterfeiting code "unforgeability and uniqueness" in digital anti-counterfeiting technology. gap; chaotic signals have the characteristics of initial value sensitivity, pseudo-randomness and non-periodicity. There are also problems such as limited commodity identity information coding, complex calculations, relatively low security and difficulty in resisting attacks

Method used

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  • A method for generating a commodity anti-counterfeiting code
  • A method for generating a commodity anti-counterfeiting code
  • A method for generating a commodity anti-counterfeiting code

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0047] According to the above method of generating anti-counterfeiting codes for commodities, the steps are as follows:

[0048] (1) When the identification code of a commodity is coded as "A123E1212342014-12-26d1987654", the length L=30;

[0049] (2) According to the corresponding relationship between the custom product identification code characters and the numeric data in Table 1, the numeric sequence P1 is obtained as {10,1,2,3,14,1,2,1,2,3,4,2, 0,1,4,63,1,2,63,2,6,62,39,1,9,8,7,6,5,4};

[0050] (3) Take the external key (Z 10 = 0.12345, Z 20 =0.56789, Z 30 = -0.98765), using the product identity information (ie, the product identification code or numerical sequence P1 generated by the encoding) and the external key, the initial value X of the chaotic system is calculated according to the formula in step (3) of the above-mentioned product anti-counterfeiting code generation method 0 , Parameter P, initial iteration steps n 1 ,n 2 And the number of iteration steps m 1 ,m 2 Respect...

Embodiment 2

[0067] According to the above method for generating anti-counterfeiting codes for commodities, the steps for generating the identification code of a certain product and its anti-counterfeiting codes are similar to those in specific embodiment 1, except that a certain external key has a slight change: Z 10 =0.123450000000001; or Z 20 =0.567890000000001; or Z 30 = -0.987650000000001, the result of the product anti-counterfeiting code generation is shown in Table 4. It can be seen from the table below that once the external key changes even slightly, that is, "the smallest amount of loss", the generated product security number will be "a thousand miles away". It can be seen that the product security code generation method proposed by this patent has a key Sensitivity.

[0068] Table 4 When the external key changes slightly, the product anti-counterfeiting code generation result

[0069]

Embodiment 3

[0071] According to the above method for generating anti-counterfeiting codes for commodities, the external key and its anti-counterfeiting code generation steps are similar to those in specific embodiment 1, with slightly changed commodity identification codes (such as "A123E1212342014-12-26d1987653", "a123E1212342014-12-26d1987654" and "A123E1212342004" -12-26d1987654") generated product anti-counterfeiting code results are shown in Table 5. It can be seen from the following table that the slight change of the product identification code will cause the cipher text string (ie the product anti-counterfeiting number) to change greatly. It can be seen that the method for generating the product Identification code) is sensitive.

[0072] Table 5 The result of product anti-counterfeiting code generation when the product identification code changes slightly

[0073]

[0074] From the analysis of the above-mentioned specific embodiment 2 and example 3, it can be seen that the product an...

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Abstract

The invention discloses a method for generating a commodity anti-counterfeiting code, which comprises the following steps: encoding commodity identity information according to certain predetermined rules to generate a unique commodity identification code; The identification code is converted into numerical data; the initial value, parameters, initial iteration steps and iteration interval steps of the chaotic system are calculated by using the commodity identity information and the external key, and two sets of chaotic sequences are generated after iterating the inclined chaotic tent map ; Use the position change scrambling rules before and after the two sets of chaotic signals to scramble the ciphertext characters in the corresponding relationship between numerical data, custom numerical data and ciphertext characters, generate commodity anti-counterfeiting numbers, and then combine to generate commodity anti-counterfeiting code. The method for generating the commodity anti-counterfeit code provided by the invention is simple and feasible, has strong security and is not easy to crack, and the generated commodity anti-counterfeit code has "uniqueness and unforgeability".

Description

Technical field [0001] The invention relates to the field of digital anti-counterfeiting technology, in particular to a method for generating an anti-counterfeiting code for commodities. Background technique [0002] In today’s society, counterfeit goods are prevalent, counterfeiting has become a proliferation trend, and food and drug safety accidents occur frequently. How to realize product anti-counterfeiting, eliminate counterfeiting, restore the economic losses of the country and enterprises, and protect the rights and interests of consumers is an urgent need for research and solutions worldwide The problem. The existing digital anti-counterfeiting technology basically uses a pseudo-random sequence or an ordered serial number to generate a product anti-counterfeiting code after DES symmetric encryption, which is in line with the performance requirements of the "unforgeability and uniqueness" of the product anti-counterfeiting code in the digital anti-counterfeiting technology...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G06Q30/00
Inventor 盛苏英堵俊吴新华陆国平张振娟华亮吴晓刘明周俊
Owner NANTONG UNIVERSITY
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