Multi-parameter first-order encryption binary anti-counterfeiting printing method

Abstract

The invention relates to a binary anti-fake printing method by multiparameter single-order encryption. According to the method, binary anti-fake information can be converted into a binary modulation signal by [++] encryption operation and channel encoding, and the anti-fake information is embedded in the full page in a circulating look-up table modulation manner in orderly change of shapes of amplitude modulation websites, so that the anti-fake information can be identified from any one fragment when a printed matter is identified. The method can be widely applied to the field of forgery prevention of printed matters.

Description

Technical field:

[0001] The invention relates to an anti-counterfeiting printing technology, in particular to a multi-parameter first-order encrypted binary anti-counterfeiting printing technology, which can be used for anti-counterfeiting of various printed products. Background technique:

[0002] The existing relatively common anti-counterfeiting methods are as follows: The first is laser anti-counterfeiting marks, which use laser recessive ink fluorescent ink printing technology to print product logos or special identification patterns into product anti-counterfeiting labels. And the same type of product uses the same label, because the anti-counterfeiting label is easier to forge, and the fake anti-counterfeiting label is used on the counterfeit product, causing the product to be confused, so it is difficult to effectively prevent counterfeiting. The second is the password anti-counterfeiting label. The method adopted is to compile a set of numbers for each product, and ...

Examples

Embodiment Construction

[0010] In the process of loading anti-counterfeiting information figure 1 Among them, the original anti-counterfeiting information (image, text) is digitized to generate an 8-bit binary anti-counterfeiting information table, and the 8-bit binary information in the binary anti-counterfeiting information table is expanded into a 16-bit binary information to generate a high 8-bit binary information. A 16-bit binary anti-counterfeiting information table whose bits are all 0, and the i-th group of 16-bit binary information in the 16-bit binary anti-counterfeiting information table is denoted as N i , i is a positive integer greater than 0, and the eight-bit binary encryption parameter is denoted as C 1 、C 2 、C 3 , encryption parameter C 1 、C 2 、C 3 It is an integer from 0 to 255. The two-digit binary operator control variable is denoted as k. The operator control variable k is an integer of 0≦k≦3. The operator Using +, ×, -, ÷ four operators, operator control variable k = 0 ...

Technical field:

[0001] The invention relates to an anti-counterfeiting printing technology, in particular to a multi-parameter first-order encrypted binary anti-counterfeiting printing technology, which can be used for anti-counterfeiting of various printed products. Background technique:

[0002] The existing relatively common anti-counterfeiting methods are as follows: The first is laser anti-counterfeiting marks, which use laser recessive ink fluorescent ink printing technology to print product logos or special identification patterns into product anti-counterfeiting labels. And the same type of product uses the same label, because the anti-counterfeiting label is easier to forge, and the fake anti-counterfeiting label is used on the counterfeit product, causing the product to be confused, so it is difficult to effectively prevent counterfeiting. The second is the password anti-counterfeiting label. The method adopted is to compile a set of numbers for each product, and ...

Examples

Embodiment Construction

[0010] In the process of loading anti-counterfeiting information figure 1 Among them, the original anti-counterfeiting information (image, text) is digitized to generate an 8-bit binary anti-counterfeiting information table, and the 8-bit binary information in the binary anti-counterfeiting information table is expanded into a 16-bit binary information to generate a high 8-bit binary information. A 16-bit binary anti-counterfeiting information table whose bits are all 0, and the i-th group of 16-bit binary information in the 16-bit binary anti-counterfeiting information table is denoted as N i , i is a positive integer greater than 0, and the eight-bit binary encryption parameter is denoted as C 1 、C 2 、C 3 , encryption parameter C 1 、C 2 、C 3 It is an integer from 0 to 255. The two-digit binary operator control variable is denoted as k. The operator control variable k is an integer of 0≦k≦3. The operator Using +, ×, -, ÷ four operators, operator control variable k = 0 ...

Images