CN106355622A - Single parameter variable gradient unary layering encrypting binary RMB anti-counterfeiting printing method - Google Patents
Single parameter variable gradient unary layering encrypting binary RMB anti-counterfeiting printing method Download PDFInfo
- Publication number
- CN106355622A CN106355622A CN201610851084.9A CN201610851084A CN106355622A CN 106355622 A CN106355622 A CN 106355622A CN 201610851084 A CN201610851084 A CN 201610851084A CN 106355622 A CN106355622 A CN 106355622A
- Authority
- CN
- China
- Prior art keywords
- binary
- control variable
- group
- counterfeiting information
- binary system
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
- G06T9/00—Image coding
- G06T9/007—Transform coding, e.g. discrete cosine transform
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Discrete Mathematics (AREA)
- Multimedia (AREA)
- Theoretical Computer Science (AREA)
- Printing Methods (AREA)
Abstract
The invention discloses a single parameter variable gradient unary layering encrypting binary RMB anti-counterfeiting printing method. According to the method, a binary modulation signal can be generated from binary anti-counterfeiting information through unary layering encrypting and channel coding; the anti-counterfeiting information is embedded into the overall RMB page in a manner that the shapes of amplitude modulation dots change orderly in a modulation mode of a cyclic look-up table method; the anti-counterfeiting information is identified from any fragment when the RMB is identified; the method can be used for anti-counterfeiting printing of the RMB.
Description
Technical field:
The present invention relates to a kind of RMB anti-counterfeiting printing technology, particularly a kind of One-parameter variation transmutation unary layered encryption two enters
RMB anti-counterfeiting printing process processed, this RMB anti-counterfeiting printing technology can be used for the anti-counterfeit printing of the RMB of various face amounts
In.
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: enters line number to image and character anti-counterfeiting information first
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 c, plus
Close parameter c is the bigit of 0 c 255, and binary operator control variable is denoted as k, and binary operator control variable k is 0
The bigit of k 7, binary system control variable is denoted as j, n, d, e, f, g, h and m, control variable j, n, d, e, f, g, h and
The value of m is the integer of 0 j 7, operatorUsing+,-, ×, tetra- kinds of ÷
Operator, during binary operator control variable k=0Be defined as+, during binary operator control variable k=1Fixed respectively
Justice for+, ÷, during binary operator control variable k=2Be respectively defined as-, ÷ ,+, binary operator control
During 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, unitary layered encryption operational formula is defined as, during binary operator control variable k=1, unitary is layered and adds
Close operational formula is defined as, during binary operator control variable k=2, the computing of unitary layered encryption is public
Formula is defined as, unitary layered encryption computing during binary operator control variable k=3
Formula is defined as, during binary operator control variable k=4, unitary is layered and adds
Close operational formula is defined as, binary operator control variable k=5
Shi Yiyuan layered encryption operational formula is defined as,
During binary operator control variable k=6, unitary layered encryption operational formula is defined as , unitary layered encryption computing during binary operator control variable k=7
Formula is defined as,
Set the initial value of encryption parameter c, set initial value j=0, n=0, d=0, e=0, f=0, g=0, h=0 and m=of j, n, d, e, f, g, h and m
0, set 16 binary system anti-counterfeiting information n in 16 one group binary system anti-counterfeiting information tableiPosition control variable i=1, from 16
First group 16 binary system anti-counterfeiting information n in one group of binary system anti-counterfeiting information table1Start, circulation is using above-mentioned eight kinds different adding
Close operational formula is encrypted computing to 16 binary system anti-counterfeiting information in 16 one group binary system anti-counterfeiting information table, and every
Carry out i+1, j+1, k+1, n+1, d+1, e+1, f+1, g+1, h+1 and m+1 computing while cryptographic calculation, with i, j, k,
The value change of n, d, e, f, g, h and m, by preventing to each group of 16 binary systems in 16 one group binary system anti-counterfeiting information table
Fake information is encrypted computing, generates 16 one group binary system encryption anti-counterfeitings corresponding with 16 one group binary system anti-counterfeiting information table
Information table, is digitized processing to the shape of amplitude in RMB printing, amplitude is shaped toWithTwo kinds, whereinBe defined as numeral 0,It is defined as numeral 1, using 16 generating in RMB printing process
The binary system encryption anti-fake information of group is passed through to circulate the amplitude that look-up table is modulated on the RMB page, makes on the RMB page
The regular shape according to above two amplitude of amplitude be changed, adjacent 16 on the RMB page after modulation
Individual amplitude constitutes one group of 16 binary system anti-counterfeiting information so that taking by the change of amplitude shape on the RMB page
Band anti-counterfeiting information, and so that this anti-counterfeiting information is embedded in whole RMB page site, realize RMB anti-counterfeiting.By in the people
Non- in the coin page embed extractible anti-counterfeiting information obviously, can be real Renminbi provide valid certificates, have stronger simultaneously
Anti- 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 processes (rip) and hybrid screening output halftoning hybrid screening picture signal through rasterizing, 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,
In the binary system deciphering anti-counterfeiting information table recovering to generate, unitary layering during binary operator control variable k=0
Deciphering computing is, during binary operator control variable k=1 unitary layering deciphering computing be, during binary operator control variable k=2 unitary layering deciphering computing be, during binary operator control variable k=3 unitary layering deciphering computing be, unitary layering deciphering during binary operator control variable k=4
Computing is, during binary operator control variable k=5
Computing is deciphered in unitary layering,
During binary operator control variable k=6 unitary layering deciphering computing be , during binary operator control variable k=7 unitary 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 one
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) is encrypted, generates 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 c, and encryption parameter c is 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, binary system control variable is denoted as j, n, d, e, f, g, h and m, and control variable j, n, d, e, f, g, h and m value are 0 j
7 integer, operatorUsing+,-, ×, tetra- kinds of operators of ÷, binary system calculate
During symbol control variable k=0Be defined as+, during binary operator control variable k=1Be respectively defined as+, ÷, two enter
During operator control variable k=2 processedBe 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+, × ,+, ÷ ,-, ÷ ,+, ×, binary operator
During control variable k=0, unitary layered encryption operational formula is defined as, during binary operator control variable k=1
Unitary layered encryption operational formula is defined as, during binary operator control variable k=2, unitary divides
Layer cryptographic calculation formula is defined as, unitary during binary operator control variable k=3
Layered encryption operational formula is defined as, binary operator control variable k
When=4, unitary layered encryption operational formula is defined as,
During binary operator control variable k=5, unitary layered encryption operational formula is defined as , during binary operator control variable k=6, unitary layered encryption operational formula is defined as, binary operator control
During variable k=7 processed, unitary layered encryption operational formula is defined as , set the initial value of encryption parameter c, set the initial value j=of j, n, d, e, f, g, h and m
0th, n=0, d=0, e=0, f=0, g=0, h=0 and m=0, sets the false proof letter of 16 binary systems in 16 one group binary system anti-counterfeiting information table
Breath niPosition control variable i=1, first group 16 binary system anti-counterfeiting information n from 16 one group binary system anti-counterfeiting information table1Open
Begin, circulation is prevented to 16 binary systems in 16 one group binary system anti-counterfeiting information table using above-mentioned eight kinds different cryptographic calculation formula
Fake information is encrypted computing, and carry out while cryptographic calculation each time i+1, j+1, k+1, n+1, d+1, e+1, f+1,
G+1, h+1 and m+1 computing, with the value change of i, j, k, n, d, e, f, g, h and m, by false proof to 16 one group of binary systems
16 binary system anti-counterfeiting information of in information table each group are encrypted computing, generate and 16 one group binary system anti-counterfeiting information table
Corresponding 16 one group binary system encryption anti-fake information table, is digitized locating to the shape of amplitude in RMB printing
Reason, amplitude is shaped toWithTwo kinds, whereinBe defined as numeral 0,It is defined as numeral 1, in people
Pass through to circulate look-up table modulation RMB using the binary system encryption anti-fake information of 16 group generating in people's coin printing process
Amplitude on the page, makes the regular shape according to above two amplitude of the amplitude on the RMB page enter
Row change, on the RMB page after modulation, adjacent 16 amplitudes constitute one group of 16 binary system anti-counterfeiting information so that the people
On the coin page, anti-counterfeiting information is carried by the change of amplitude shape, and make this anti-counterfeiting information be embedded in the whole RMB page
In 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, unitary layering deciphering computing during binary operator control variable k=0 is, during binary operator control variable k=1 unitary layering deciphering computing be, two
During system operator control variable k=2 unitary layering deciphering computing be, binary system calculation
Symbol control variable k=3 when unitary layering deciphering computing be, binary operator
During control variable k=4 unitary layering deciphering computing be, binary operator
During control variable k=5 unitary layering deciphering computing be,
During binary operator control variable k=6 unitary layering deciphering computing be , during binary operator control variable k=7 unitary 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, corresponding unitary is carried out to each group of 16 binary informations in the binary system group anti-counterfeiting information table recovering generation
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, go
Fall 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 and chnnel coding and generates binary modulated signal by one kind, and is tabled look-up tune by circulation
Anti-counterfeiting information is embedded in the One-parameter variation transmutation unary layered encryption binary system RMB anti-counterfeiting in full page by mode processed
Printing process, 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 one in binary system anti-counterfeiting information table
Group 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 prevented
Fake 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 more than 0
Positive integer, eight-digit binary number encryption parameter is denoted as c, and encryption parameter c is the bigit of 0 c 255, binary operator
Control variable is denoted as k, and binary operator control variable k is the bigit of 0 k 7, binary system control variable be denoted as j, n,
D, e, f, g, h and m, control variable j, n, the value of d, e, f, g, h and m are the integer of 0 j 7, operatorUsing+,-, ×, tetra- kinds of operators of ÷, during binary operator control variable k=0
Be defined as+, during binary operator control variable k=1Be respectively defined as+, ÷, during binary 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+, × ,+, ÷ ,-, two enter
During operator control variable k=5 processedBe respectively defined as+, × ,+, ÷ ,-, ÷, binary operator
During control variable k=6Be respectively defined as+, × ,+, ÷ ,-, ÷ ,+, binary operator
During control variable k=7Be respectively defined as+, × ,+, ÷ ,-, ÷ ,+, ×, will
I-th group of 16 binary system encryption anti-fake information in 16 one group binary system encryption anti-fake information table are denoted as ni, binary operator control
During variable k=0 processed, unitary layered encryption operational formula is defined as, during binary operator control variable k=1, unitary divides
Layer cryptographic calculation formula is defined as, unitary layered encryption fortune during binary operator control variable k=2
Calculate formula to be defined as, unitary layered encryption computing during binary operator control variable k=3
Formula is defined as, during binary operator control variable k=4, unitary is layered and adds
Close operational formula is defined as, binary operator control variable k=5
Shi Yiyuan layered encryption operational formula is defined as,
During binary operator control variable k=6, unitary layered encryption operational formula is defined as , unitary layered encryption during binary operator control variable k=7
Operational formula is defined as,
Set the initial value of encryption parameter c, set initial value j=0, n=0, d=0, e=0, f=0, g=0, h=0 and m=of j, n, d, e, f, g, h and m
0, set 16 binary system anti-counterfeiting information n in 16 one group binary system anti-counterfeiting information tableiPosition control variable i=1, from 16
First group 16 binary system anti-counterfeiting information n in one group of binary system anti-counterfeiting information table1Start, circulation is using above-mentioned eight kinds different adding
Close operational formula is encrypted computing to 16 binary system anti-counterfeiting information in 16 one group binary system anti-counterfeiting information table, and every
Carry out i+1, j+1, k+1, n+1, d+1, e+1, f+1, g+1, h+1 and m+1 computing while cryptographic calculation, with i, j, k,
The value change of n, d, e, f, g, h and m, by preventing to each group of 16 binary systems in 16 one group binary system anti-counterfeiting information table
Fake information is encrypted computing, generates 16 one group binary system encryption anti-counterfeitings corresponding with 16 one group binary system anti-counterfeiting information table
Information table, is digitized processing to the shape of amplitude in RMB printing, amplitude is shaped toWithTwo kinds, whereinBe defined as numeral 0,It is defined as numeral 1, using 16 generating in RMB printing process
The binary system encryption anti-fake information of group is passed through to circulate the amplitude that look-up table is modulated on the RMB page, makes on the RMB page
The regular shape according to above two amplitude of amplitude be changed, adjacent 16 on the RMB page after modulation
Individual amplitude constitutes one group of 16 binary system anti-counterfeiting information so that taking by the change of amplitude shape on the RMB page
Band anti-counterfeiting information, and so that this anti-counterfeiting information is embedded in whole RMB page site, realize RMB anti-counterfeiting.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610851084.9A CN106355622A (en) | 2016-09-25 | 2016-09-25 | Single parameter variable gradient unary layering encrypting binary RMB anti-counterfeiting printing method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610851084.9A CN106355622A (en) | 2016-09-25 | 2016-09-25 | Single parameter variable gradient unary layering encrypting binary RMB anti-counterfeiting printing method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106355622A true CN106355622A (en) | 2017-01-25 |
Family
ID=57859960
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610851084.9A Pending CN106355622A (en) | 2016-09-25 | 2016-09-25 | Single parameter variable gradient unary layering encrypting binary RMB anti-counterfeiting printing method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106355622A (en) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101777134A (en) * | 2010-03-01 | 2010-07-14 | 北京印刷学院 | Presswork encryption security printing technology based on multi-system quadrature amplitude modulation |
| CN102402696A (en) * | 2011-04-25 | 2012-04-04 | 北京印刷学院 | Multi-dimensional encryption anti-counterfeiting printing technology based on binary signals |
-
2016
- 2016-09-25 CN CN201610851084.9A patent/CN106355622A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101777134A (en) * | 2010-03-01 | 2010-07-14 | 北京印刷学院 | Presswork encryption security printing technology based on multi-system quadrature amplitude modulation |
| CN102402696A (en) * | 2011-04-25 | 2012-04-04 | 北京印刷学院 | Multi-dimensional encryption anti-counterfeiting printing technology based on binary signals |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106355622A (en) | Single parameter variable gradient unary layering encrypting binary RMB anti-counterfeiting printing method | |
| CN106355623A (en) | Single-parameter multi-variable binary layering encrypting binary RMB anti-counterfeiting printing method | |
| CN106427284A (en) | Parametric layered gradating and ternary encrypting type binary anti-counterfeit printing method for Ren Min Bi | |
| CN106427282A (en) | Single parameter variable progressive-changing ternary layering encryption binary Ren Min Bi anti-counterfeit printing method | |
| CN106427285A (en) | Single-variable-parameter layered gradating and ternary encrypting type binary anti-counterfeit printing method for Ren Min Bi | |
| CN106427286A (en) | Single-parameter single-variable unitary layered encryption type binary anti-counterfeit printing method for Ren Min Bi | |
| CN106427280A (en) | Binary information encryption certificate anti-counterfeit printing method | |
| CN106183532A (en) | One-parameter univariate binary layered encryption binary system RMB anti-counterfeiting printing process | |
| CN106183534A (en) | Parameter layering gradient multivariate encrypted binary RMB anti-counterfeiting printing process | |
| CN106183535A (en) | One-parameter multivariate ternary layered encryption binary system RMB anti-counterfeiting printing process | |
| CN106183533A (en) | Univariate parameter layering gradient multivariate encrypted binary RMB anti-counterfeiting printing process | |
| CN106427281A (en) | Single-parameter single-variable multivariate layering encryption binary Ren Min Bi anti-counterfeit printing method | |
| CN106626876A (en) | One-parameter variable transmutation binary layered encryption binary system Ren Min Bi anti-counterfeit printing method | |
| CN106183531A (en) | Parameter layering gradient binary encrypted binary RMB anti-counterfeiting printing process | |
| CN106218262A (en) | One-parameter univariable ternary layered encryption binary system RMB anti-counterfeiting printing process | |
| CN106626875A (en) | Single-parameter multi-variable unary layered encryption binary Renminbi anti-counterfeit printing method | |
| CN106274136A (en) | Parameter layering transmutation unary encrypted binary RMB anti-counterfeiting printing process | |
| CN106183530A (en) | One-parameter variation transmutation multivariable layered encryption binary system RMB anti-counterfeiting printing process | |
| CN106427283A (en) | Single-parameter multi-variable multivariate layering encryption binary Ren Min Bi anti-counterfeit printing method | |
| CN106218263A (en) | Univariate parameter layering transmutation unary encrypted binary RMB anti-counterfeiting printing process | |
| CN103942590B (en) | One-parameter multi-element circulation encryption anti-fake information storage trademark | |
| CN106427279A (en) | Multi-information encryption certificate anti-counterfeit printing method | |
| CN102945399A (en) | Triple gradually-increased encryption binary anti-counterfeiting printing method | |
| CN103116773A (en) | Parameter transmutation ternary variable circulation encryption anti-fake information storage trademark | |
| CN102945471A (en) | Binary anti-fake print method encrypting in opposite synchronous increasing way |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WD01 | Invention patent application deemed withdrawn after publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20170125 |