CN106427284A - Parametric layered gradating and ternary encrypting type binary anti-counterfeit printing method for Ren Min Bi - Google Patents
Parametric layered gradating and ternary encrypting type binary anti-counterfeit printing method for Ren Min Bi Download PDFInfo
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- CN106427284A CN106427284A CN201610851051.4A CN201610851051A CN106427284A CN 106427284 A CN106427284 A CN 106427284A CN 201610851051 A CN201610851051 A CN 201610851051A CN 106427284 A CN106427284 A CN 106427284A
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- binary
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- control variable
- counterfeiting information
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B42—BOOKBINDING; ALBUMS; FILES; SPECIAL PRINTED MATTER
- B42D—BOOKS; BOOK COVERS; LOOSE LEAVES; PRINTED MATTER CHARACTERISED BY IDENTIFICATION OR SECURITY FEATURES; PRINTED MATTER OF SPECIAL FORMAT OR STYLE NOT OTHERWISE PROVIDED FOR; DEVICES FOR USE THEREWITH AND NOT OTHERWISE PROVIDED FOR; MOVABLE-STRIP WRITING OR READING APPARATUS
- B42D25/00—Information-bearing cards or sheet-like structures characterised by identification or security features; Manufacture thereof
- B42D25/30—Identification or security features, e.g. for preventing forgery
- B42D25/305—Associated digital information
Abstract
The invention discloses a parametric layered gradating and ternary encrypting type binary anti-counterfeit printing method for the Ren Min Bi. According to the method, binary anti-counterfeit information can generate binary modulating signals through ternary layered encrypting and channel coding and are orderly changed and implanted into the whole surface of the Ren Min Bi in the shape of amplitude modulation dots and through the modulation mode of the cyclic table lookup method, and anti-counterfeit information can be recognized from any fragment in the recognition process of the Ren Min Bi. The method can be used in anti-counterfeit printing of the Ren Min Bi.
Description
Technical field：
The present invention relates to a kind of RMB anti-counterfeiting printing technology, particularly a kind of parameter layering gradient ternary encrypted binary people
Coin antiforging printing method, in the anti-counterfeit printing of RMB that this RMB anti-counterfeiting printing technology can be used for various face amounts.
Background technology：
Currency security is related to a national financial security, starts struggle that is false proof and faking from currency generation and does not just stop
Breath, the RMB of China is audaciously innovated, and employs watermark anti-counterfeiting technology, safety line anti-counterfeiting technology, carved intaglio print
Brush and gravure wiring anti-counterfeiting technology, red blue color fiber and colorless fluorescent fiber anti-counterfeiting technology, stealthy denomination digital anti-counterfeiting technology,
Photochromatic printing ink printing denomination digital anti-counterfeiting technology, yin yang complementarity are to being patterned anti-counterfeiting technology, number convex print anti-counterfeiting technology, miniature literary composition
Word anti-counterfeiting technology, colorless fluorescent pattern anti-counterfeiting technology, colored fluorescent pattern anti-fake technology and docking coincide etc. multinomial anti-counterfeiting technology,
But struggle that is false proof and faking is high-tech trial of strength, more advanced anti-counterfeiting technology have certain ageing, therefore it is necessary to not
So as to forever be in the leading position of anti-counterfeiting technology, this is also to maintain financial security of the country to disconnected lifting RMB anti-counterfeiting technology
Basic assurance.
Content of the invention:
In order to improve reliability and the safety of RMB anti-counterfeiting, the present invention is directed to the deficiency of existing RMB anti-counterfeiting presence to existing
RMB anti-counterfeiting technology is had to carry out improving it is proposed that the RMB that a kind of binary system coded signal modulates amplitude shape is prevented
Pseudo- technology, this RMB anti-counterfeiting technology, by the change of amplitude shape during RMB is printed, anti-counterfeiting information is entered with two
Coded signal form processed is embedded in the whole RMB page, can identify false proof from any one fragment when RMB identifies
Information, therefore has very disguised by force and crush resistance.
The technical solution adopted for the present invention to solve the technical problems is：First line number is entered to image and character anti-counterfeiting information
Wordization is processed, and generates 8 one group of binary system anti-counterfeiting information table using image and character anti-counterfeiting information, for preventing in ciphering process
Produce information spillover, 8 one group of binary system anti-counterfeiting information in binary system anti-counterfeiting information table are expanded to 16 one group of binary systems
Anti-counterfeiting information, generates the 16 one group binary system anti-counterfeiting information table that most-significant byte is all 0, by 16 one group binary system anti-counterfeiting information table
In i-th group of 16 binary system anti-counterfeiting information be denoted as Ni, i is the positive integer more than 0, and eight-digit binary number encryption parameter is denoted as, encryption parameterFor 0 C
255 bigit, binary operator control variable is denoted as k, and binary operator control variable k is the two of 0 k 7 to enter
Integer processed, operatorUsing+,-, ×, tetra- kinds of operators of ÷, binary operator
During control variable k=0Be defined as+, during binary operator control variable k=1Be respectively defined as+, ÷, binary system
During operator control variable k=2Be respectively defined as-, ÷ ,+, during binary operator control variable k=3Be respectively defined as+, × ,+, ÷, during binary operator control variable k=4Be respectively defined as+, × ,+, ÷ ,-, during binary operator control variable k=5Be respectively defined as+, × ,+, ÷ ,-, ÷, during binary operator control variable k=6Be respectively defined as+, × ,+, ÷ ,-, ÷ ,+, binary operator control variable k=7
WhenBe respectively defined as+, × ,+, ÷ ,-, ÷ ,+, ×, by 16 one group
I-th group of 16 binary system encryption anti-fake information in binary system encryption anti-fake information table are denoted as Ni, binary operator control variable k
When=0, ternary layered encryption operational formula is defined as, ternary layered encryption fortune during binary operator control variable k=1
Calculate formula to be defined as, during binary operator control variable k=2, ternary layered encryption operational formula is defined as, during binary operator control variable k=3, ternary layered encryption operational formula is defined as, during binary operator control variable k=4, ternary layered encryption operational formula is defined as, ternary layered encryption operational formula during binary operator control variable k=5
It is defined as, during binary operator control variable k=6, ternary is layered and adds
Close operational formula is defined as, binary operator control variable
During k=7, ternary layered encryption operational formula is defined as,
Set encryption parameterInitial value, set 16 one group of binary system anti-counterfeiting information
16 binary system anti-counterfeiting information N in tableiPosition control variable i=1, first group from 16 one group binary system anti-counterfeiting information table
16 binary system anti-counterfeiting information N1Start, circulation is prevented to 16 one group of binary systems using above-mentioned eight kinds different cryptographic calculation formula
In fake information table, 16 binary system anti-counterfeiting information are encrypted computing, and carry out i+1 fortune while cryptographic calculation each time
Calculate, with the value change of i, by each group of 16 binary system anti-counterfeiting information in 16 one group binary system anti-counterfeiting information table
It is encrypted computing, generate 16 one group binary system encryption anti-fake information corresponding with 16 one group binary system anti-counterfeiting information table
Table, is digitized processing to the shape of amplitude in RMB printing, amplitude is shaped toWith
Two kinds, whereinBe defined as numeral 0,It is defined as numeral 1, using 16 group generating in RMB printing process
Binary system encryption anti-fake information is passed through to circulate the amplitude that look-up table is modulated on the RMB page, makes the tune on the RMB page
The regular shape according to above two amplitude in width site is changed, adjacent 16 tune on the RMB page after modulation
Width site constitutes one group of 16 binary system anti-counterfeiting information so that carry anti-on the RMB page by the change of amplitude shape
Fake information, and so that this anti-counterfeiting information is embedded in whole RMB page site, realize RMB anti-counterfeiting.By in RMB page
Non- in face embed extractible anti-counterfeiting information obviously, can be that real Renminbi provides valid certificates, have stronger anti-simultaneously
Forgery ability, and do not increase extra anti-counterfeiting cost.
For solving above-mentioned technical problem, anti-counterfeiting information is digitized processing first, generates 8 one group of binary system
Anti-counterfeiting information table, anti-counterfeiting information can be image information and Word message information, by 8 one group in binary system anti-counterfeiting information table
Binary system anti-counterfeiting information expands to 16 one group of binary system anti-counterfeiting information, and 16 one group of binary systems that generation most-significant byte is all 0 are false proof
16 binary system anti-counterfeiting information of each of 16 one group binary system anti-counterfeiting information table are carried out layered encryption fortune by information table
Calculate, generate 16 one group of binary system encryption anti-fake information table, using 16 binary systems in binary system encryption anti-fake information table
Encryption anti-fake information, through chnnel coding, generates the binary modulated signal of 16 group with error detecting and error correcting function, letter
RMB page original continuous can be changed the line map picture by road coding using loop coding, convolutional encoding or Turbo coding various ways
Signal is processed through rasterizing（RIP）Export halftoning hybrid screening picture signal with hybrid screening, including amplitude
With FM screened image signal, modulated using circulation look-up table modulation system using the 16 one group of binary modulated signals generating
The shape of amplitude in halftoning hybrid screening picture signal, make the shape of amplitude according toWithRegular
Raw change, makes adjacent 16 amplitudes in halftoning hybrid screening picture signal carry 16 binary systems by the change of shape
Encryption anti-fake information, thus generate the halftoning hybrid screening image letter of embedded anti-counterfeiting information in whole RMB page site
Number, realize the anti-counterfeit printing of RMB.
When extracting anti-counterfeiting information, gather RMB page halftone dot image signal first, through the shape to amplitude
Fuzzy diagnosis, differentiate the shape of amplitude, extract the edge signal of amplitude and shape information, demodulate the RMB page
The shape information of amplitude, the binary modulated signal of 16 one group of output, the binary system to 16 group of demodulation output
Modulated signal carries out channel decoding, recovers to generate binary system deciphering anti-counterfeiting information table after channel decoding.
Binary system is deciphered 16 binary informations in anti-counterfeiting information table and is denoted as Hi, by ciphering process, recovering
In the binary system deciphering anti-counterfeiting information table generating, ternary layering deciphering computing during binary operator control variable k=0 is, during binary operator control variable k=1 ternary layering deciphering computing be, binary system
During operator control variable k=2 ternary layering deciphering computing be, binary operator control variable k
When=3 ternary layering deciphering computing be, ternary during binary operator control variable k=4
Computing is deciphered in layering, during binary operator control variable k=5, ternary is divided
Layer deciphers computing, three during binary operator control variable k=6
Computing is deciphered in unit's layering, binary operator control change
Amount k=7 when ternary layering deciphering computing be, will
Recover 16 binary informations H in the binary system deciphering anti-counterfeiting information table generating after decodingiPosition control initial guess set
For i=1, binary operator control variable initial value design is k=0, first from the binary system deciphering anti-counterfeiting information table recovering to generate
Group H1Start, each group of 16 binary informations in anti-counterfeiting information table are deciphered to the binary system recovering to generate and carries out corresponding three
Unit's layering deciphering computing, solves binary system anti-counterfeiting information Ni, generate the 16 one group binary system anti-counterfeiting information table that most-significant byte is all 0,
Remove most-significant byte, recover to generate 8 one group of binary system anti-counterfeiting information table, recover anti-counterfeiting signal and export anti-counterfeiting information.
Brief description
The present invention is further described below in conjunction with the accompanying drawings.
Fig. 1 loads anti-counterfeiting information flow chart.
Fig. 2 extracts anti-counterfeiting information flow chart.
Specific embodiment
In loading anti-counterfeiting information flow process Fig. 1, original anti-counterfeiting information（Image, word）Encrypted, generate the two of 8 one group
System anti-counterfeiting information table, 8 one group of binary informations in binary system anti-counterfeiting information table are expanded to 16 one group of binary system letters
Breath, generates the 16 one group binary system anti-counterfeiting information table that most-significant byte is all 0, i-th group in 16 one group binary system anti-counterfeiting information table
16 binary informations are denoted as Ni, i is the positive integer more than 0, and eight-digit binary number encryption parameter is denoted as, encryption parameterFor 0 C
255 bigit, binary operator control variable is denoted as k, and binary operator control variable k is the two of 0 k 7 to enter
Integer processed, operatorUsing+,-, ×, tetra- kinds of operators of ÷, binary operator
During control variable k=0Be defined as+, during binary operator control variable k=1Be respectively defined as+, ÷, binary system calculate
During symbol control variable k=2Be respectively defined as-, ÷ ,+, during binary operator control variable k=3Be respectively defined as+, × ,+, ÷, during binary operator control variable k=4Be respectively defined as+, × ,+, ÷ ,-, during binary operator control variable k=5Be respectively defined as+, × ,+, ÷ ,-, ÷, during binary operator control variable k=6Be respectively defined as+, × ,+, ÷ ,-, ÷ ,+, binary operator control variable k=7
WhenBe respectively defined as+, × ,+, ÷ ,-, ÷ ,+, ×, by 16 one group
I-th group of 16 binary system encryption anti-fake information in binary system encryption anti-fake information table are denoted as Ni, binary operator control variable k
When=0, ternary layered encryption operational formula is defined as, ternary layered encryption fortune during binary operator control variable k=1
Calculate formula to be defined as, during binary operator control variable k=2, ternary layered encryption operational formula is defined as, during binary operator control variable k=3, ternary layered encryption operational formula is defined as, during binary operator control variable k=4, ternary layered encryption operational formula is defined as, during binary operator control variable k=5, ternary layered encryption operational formula is fixed
Justice is, ternary layered encryption during binary operator control variable k=6
Operational formula is defined as, binary operator control variable k=
When 7, ternary layered encryption operational formula is defined as
, set encryption parameterInitial value, set 16 one group of binary system anti-counterfeiting information
16 binary system anti-counterfeiting information N in tableiPosition control variable i=1, first group from 16 one group binary system anti-counterfeiting information table
16 binary system anti-counterfeiting information N1Start, circulation is prevented to 16 one group of binary systems using above-mentioned eight kinds different cryptographic calculation formula
In fake information table, 16 binary system anti-counterfeiting information are encrypted computing, and carry out i+1 and k while cryptographic calculation each time
+ 1 computing, with the value change of i and k, by each group of 16 binary systems in 16 one group binary system anti-counterfeiting information table
Anti-counterfeiting information is encrypted computing, generates 16 one group binary add tight defenses corresponding with 16 one group binary system anti-counterfeiting information table
Fake information table, is digitized processing to the shape of amplitude in RMB printing, amplitude is shaped to
WithTwo kinds, whereinBe defined as numeral 0,It is defined as numeral 1, using 16 generating in RMB printing process
One group of binary system encryption anti-fake information is passed through to circulate the amplitude that look-up table is modulated on the RMB page, makes the RMB page
On the regular shape according to above two amplitude of amplitude be changed, adjacent on the RMB page after modulation
16 amplitudes constitute one group of 16 binary system anti-counterfeiting information so that passing through the change of amplitude shape on the RMB page
Carry anti-counterfeiting information, and so that this anti-counterfeiting information is embedded in whole RMB page site, realize RMB anti-counterfeiting printing.
In extracting anti-counterfeiting information flow process Fig. 2, when extracting anti-counterfeiting information, collection RMB page halftone dot image letter first
Number, through the fuzzy diagnosis to the shape of amplitude, differentiate the shape of amplitude, extract amplitude edge signal and
Shape information, the shape information of demodulation RMB page amplitude, the binary modulated signal of 16 one group of output, to demodulation
The binary modulated signal of 16 group of output carries out channel decoding, recovers generation binary system deciphering false proof after channel decoding
Information table.
Binary system is deciphered 16 binary informations in anti-counterfeiting information table and is denoted as Hi, by ciphering process, extensive
In the binary system deciphering anti-counterfeiting information table of repetitive generation, ternary layering deciphering computing during binary operator control variable k=0 is, during binary operator control variable k=1 ternary layering deciphering computing be, binary system
During operator control variable k=2 ternary layering deciphering computing be, binary operator control variable
During k=3 ternary layering deciphering computing be, three during binary operator control variable k=4
Computing is deciphered in unit's layering, during binary operator control variable k=5, ternary is divided
Layer deciphers computing, three during binary operator control variable k=6
Computing is deciphered in unit's layering, binary operator control variable
During k=7 ternary layering deciphering computing be,
By 16 binary informations H in the binary system deciphering anti-counterfeiting information table recovering after decoding to generateiPosition control initial guess set
It is set to i=1, binary operator control variable initial value design is k=0, the from the binary system deciphering anti-counterfeiting information table recovering to generate
One group of H1Start, corresponding three are carried out to each group of 16 binary informations in the binary system group anti-counterfeiting information table recovering generation
Unit's layering deciphering computing, solves binary system anti-counterfeiting information Ni, generate the 16 one group binary system anti-counterfeiting information table that most-significant byte is all 0,
Remove most-significant byte, recover to generate 8 one group of binary system anti-counterfeiting information table, recover anti-counterfeiting signal and export anti-counterfeiting information.
Claims (1)
1. anti-counterfeiting information is passed through cryptographic calculation by one kind and chnnel coding generates binary modulated signal, and is tabled look-up by circulation
Anti-counterfeiting information is embedded in the parameter layering gradient ternary encrypted binary RMB anti-counterfeiting print in full page by modulation system
Brush method, is characterized in that：Anti-counterfeiting information is digitized, generates 8 one group of binary system anti-counterfeiting information table, anti-counterfeiting information
It is image information and Word message, for preventing from producing information spillover in ciphering process, by 8 in binary system anti-counterfeiting information table
One group of binary system anti-counterfeiting information expands to 16 one group of binary system anti-counterfeiting information, generates 16 one group of binary systems that most-significant byte is all 0
Anti-counterfeiting information table, i-th group of 16 binary system anti-counterfeiting information in 16 one group binary system anti-counterfeiting information table are denoted as Ni, i is big
In 0 positive integer, eight-digit binary number encryption parameter is denoted as, encryption parameterFor the bigit of 0 C 255, binary operator control variable is denoted as
K, binary operator control variable k is the bigit of 0 k 7, operator
Using+,-, ×, tetra- kinds of operators of ÷, during binary operator control variable k=0Be defined as+, binary operator control variable k
When=1Be respectively defined as+, ÷, during binary operator control variable k=2Be respectively defined as-, ÷,
+, during binary operator control variable k=3Be respectively defined as+, × ,+, ÷, binary operator control become
During amount k=4Be respectively defined as+, × ,+, ÷ ,-, during binary operator control variable k=5Be respectively defined as+, × ,+, ÷ ,-, ÷, during binary operator control variable k=6Be respectively defined as+, × ,+, ÷ ,-, ÷ ,+, binary operator control variable k=7
WhenBe respectively defined as+, × ,+, ÷ ,-, ÷ ,+, ×, by 16 one group
I-th group of 16 binary system encryption anti-fake information in binary system encryption anti-fake information table are denoted as Ni, binary operator control variable k
When=0, ternary layered encryption operational formula is defined as, ternary layered encryption fortune during binary operator control variable k=1
Calculate formula to be defined as, during binary operator control variable k=2, ternary layered encryption operational formula is defined as, during binary operator control variable k=3, ternary layered encryption operational formula is defined as, during binary operator control variable k=4, ternary layered encryption operational formula is defined as, during binary operator control variable k=5, ternary layered encryption operational formula is fixed
Justice is, ternary layered encryption during binary operator control variable k=6
Operational formula is defined as, binary operator control variable k=
When 7, ternary layered encryption operational formula is defined as
, set encryption parameterInitial value, set 16 one group of binary system anti-counterfeiting information
16 binary system anti-counterfeiting information N in tableiPosition control variable i=1, first group from 16 one group binary system anti-counterfeiting information table
16 binary system anti-counterfeiting information N1Start, circulation is prevented to 16 one group of binary systems using above-mentioned eight kinds different cryptographic calculation formula
In fake information table, 16 binary system anti-counterfeiting information are encrypted computing, and carry out i+1 and k while cryptographic calculation each time
+ 1 computing, with the value change of i and k, by each group of 16 binary systems in 16 one group binary system anti-counterfeiting information table
Anti-counterfeiting information is encrypted computing, generates 16 one group binary add tight defenses corresponding with 16 one group binary system anti-counterfeiting information table
Fake information table, is digitized processing to the shape of amplitude in RMB printing, amplitude is shaped to
WithTwo kinds, whereinBe defined as numeral 0,It is defined as numeral 1, using 16 generating in RMB printing process
One group of binary system encryption anti-fake information is passed through to circulate the amplitude that look-up table is modulated on the RMB page, makes the RMB page
On the regular shape according to above two amplitude of amplitude be changed, adjacent on the RMB page after modulation
16 amplitudes constitute one group of 16 binary system anti-counterfeiting information so that passing through the change of amplitude shape on the RMB page
Carry anti-counterfeiting information, and so that this anti-counterfeiting information is embedded in whole RMB page site, realize RMB anti-counterfeiting.
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