Method for manufacturing dynamic colorful commodity anti-fake label
An anti-counterfeiting label and production method technology, applied in the field of digital anti-counterfeiting, can solve the problem of reducing the credibility of digital anti-counterfeiting, and achieve the effects of suppressing intentionally concealed behavior, improving anti-counterfeiting strength, and information security and reliability
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[0023] (1) Generate a group of 14 long random numbers Cn="77192347653540", produce a color sequence g[1]=black, g[2]=red, g[3]=green, g[4] composed of 4 colors ]=yellow, producing the EAN-13 commodity barcode (abbreviated as "commodity barcode") S="6901234567892" of 13 code lengths whose longitudinal length is H=22;
[0024] (2) obtain the binary sequence Bm to Cn according to the following algorithm: Bm=(∑(the bit sequence of each digital number among the place values of each digital number among the Cn)) AND 4095, then have:
[0025] Bm=(7×1+7×2+1×3+9×4+2×5+3×6+4×7+7×8+6×9+5×10+3×11+5×12 +4×13+0×14) AND 4095
[0026] =829
[0027] =001100111101b;
[0028] Obtain the i-th color g[ji] of the commodity barcode S according to the following algorithm to the binary sequence Bm, wherein i=1, 2, ..., 13, j=1, 2, 3, 4: according to each digital number in the commodity barcode S The bit value of Bm will be rotated to the right to take the last 2 bits:
[0029] 6: B>>6=111101001...
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