CN106183531A - Parameter layering gradient binary encrypted binary RMB anti-counterfeiting printing process - Google Patents
Parameter layering gradient binary encrypted binary RMB anti-counterfeiting printing process Download PDFInfo
- Publication number
- CN106183531A CN106183531A CN201610849157.0A CN201610849157A CN106183531A CN 106183531 A CN106183531 A CN 106183531A CN 201610849157 A CN201610849157 A CN 201610849157A CN 106183531 A CN106183531 A CN 106183531A
- Authority
- CN
- China
- Prior art keywords
- binary
- group
- counterfeiting information
- control variable
- operator control
- 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
-
- 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
Landscapes
- Printing Methods (AREA)
Abstract
A kind of parameter layering gradient binary encrypted binary RMB anti-counterfeiting printing process, binary system anti-counterfeiting information can be generated binary modulated signal by Two-component Multi-layer encryption and chnnel coding by the method, and by circulation look-up table modulation system, anti-counterfeiting information is embedded in the whole RMB page with the changing in order of shape of amplitude, anti-counterfeiting information can be identified from any one fragment when RMB identification, may be used in the anti-counterfeit printing of RMB.
Description
Technical field:
The present invention relates to a kind of RMB anti-counterfeiting printing technology, particularly a kind of parameter layering gradient binary encrypted binary people
Coin antiforging printing method, in the anti-counterfeit printing of the RMB that this RMB anti-counterfeiting printing technology may be used for various face amount.
Background technology:
Currency security is related to a national financial security, produces beginning struggle that is false proof and that fake from currency and does not the most stop
Breath, the RMB of China has carried out innovating audaciously, have employed 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 fibre false-proof technology, stealthy denomination digital anti-counterfeiting technology,
Photochromatic printing ink printing surface specified number word anti-counterfeiting technology, yin yang complementarity are to being patterned anti-counterfeiting technology, number convex print anti-counterfeiting technology, miniature literary composition
The multinomial anti-counterfeiting technologies such as word anti-counterfeiting technology, colorless fluorescent pattern anti-fake technology, colored fluorescent pattern anti-fake technology and docking coincide,
But struggle that is false proof and that fake is high-tech trial of strength, more advanced anti-counterfeiting technology has certain ageing, therefore it is necessary to not
Disconnected lifting RMB anti-counterfeiting technology so that it is being forever in the leading position of anti-counterfeiting technology, this also maintains financial security of the country
Basic assurance.
Summary 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 existence to existing
RMB anti-counterfeiting technology is had to be improved, it is proposed that the RMB of a kind of binary system coded signal modulation amplitude shape is prevented
Pseudo-technology, anti-counterfeiting information, by the change of amplitude shape in printing RMB, is entered by this RMB anti-counterfeiting technology with two
Coded signal form processed is embedded in the whole RMB page, can identify false proof from any one fragment when RMB identification
Information, therefore has very strong disguised and crush resistance.
The technical solution adopted for the present invention to solve the technical problems is: first to image and character anti-counterfeiting information number
Wordization processes, and utilizes the binary system anti-counterfeiting information table that image and character anti-counterfeiting information generate 8 group, 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 most-significant byte and is all 16 the one group binary system anti-counterfeiting information table of 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 parameterIt is 0 C
The bigit of 255, binary operator control variable is denoted as k, and binary operator control variable k is that the two of 0 k 7 enters
Integer processed, operatorUse+,-, ×, 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
TimeBe 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, Two-component Multi-layer cryptographic calculation formula is defined as, Two-component Multi-layer encryption fortune during binary operator control variable k=1
Calculation formula is defined as, during binary operator control variable k=2, Two-component Multi-layer cryptographic calculation formula is defined as, during binary operator control variable k=3, Two-component Multi-layer cryptographic calculation formula is defined as, during binary operator control variable k=4, Two-component Multi-layer cryptographic calculation formula is defined as, during binary operator control variable k=5, Two-component Multi-layer cryptographic calculation formula is fixed
Justice is, Two-component Multi-layer encryption during binary operator control variable k=6
Operational formula is defined as, binary operator control variable k
When=7, Two-component Multi-layer cryptographic calculation 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, from 16 one group binary system anti-counterfeiting information table first group
16 binary system anti-counterfeiting information N1Starting, circulation uses above-mentioned eight kinds of different cryptographic calculation formula to prevent 16 one group of binary systems
In fake information table, 16 binary system anti-counterfeiting information are encrypted computing, and carry out while cryptographic calculation each time i+1 and
K+1 computing, along with the value of i and k changes, 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 the shape of amplitude in RMB printing processing, is shaped to by amplitude
WithTwo kinds, whereinBe defined as numeral 0,It is defined as numeral 1, RMB printing process utilizes 16 of generation
The binary system encryption anti-fake information of one group, by the amplitude on the circulation look-up table modulation RMB page, makes the RMB page
On amplitude regular be changed according to the shape of above two amplitude, adjacent on the RMB page after modulation
16 amplitudes constitute one group of 16 binary system anti-counterfeiting information so that by the change of amplitude shape on the RMB page
Carry anti-counterfeiting information, and make this anti-counterfeiting information be embedded in whole RMB page site, it is achieved RMB anti-counterfeiting.By people
Non-in people's coin page embed extractible anti-counterfeiting information, it is possible to provide valid certificates for real Renminbi, have relatively simultaneously obviously
Strong anti-forgery ability, and do not increase extra false proof cost.
For solving above-mentioned technical problem, first it is digitized anti-counterfeiting information processing, generates the binary system of 8 group
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
Each 16 binary system anti-counterfeiting information in 16 one group binary system anti-counterfeiting information table are carried out layered encryption fortune by information table
Calculate, generate the binary system encryption anti-fake information table of 16 group, utilize 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
Road coding can use loop coding, convolutional encoding or Turbo to encode various ways, picture of RMB page original continuous being changed the line map
Signal processes (RIP) and hybrid screening output halftoning hybrid screening picture signal through rasterizing, including amplitude
With FM screened image signal, 16 the one group of binary modulated signals generated are utilized to use circulation look-up table modulation system modulation
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 embedding anti-counterfeiting information in whole RMB page site
Number, it is achieved the anti-counterfeit printing of RMB.
When extracting anti-counterfeiting information, first gather RMB page halftone dot image signal, 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, exports the binary modulated signal of 16 group, 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 in anti-counterfeiting information table 16 binary informations and is denoted as Hi, by ciphering process, extensive
In the binary system deciphering anti-counterfeiting information table of repetitive generation, during binary operator control variable k=0, Two-component Multi-layer deciphering computing is, during binary operator control variable k=1, Two-component Multi-layer deciphering computing is, two
During system operator control variable k=2, Two-component Multi-layer deciphering computing is, binary operator control
During variable k=3 processed, Two-component Multi-layer deciphering computing is, binary operator control variable
During k=4, Two-component Multi-layer deciphering computing is, binary operator control variable
During k=5, Two-component Multi-layer deciphering computing is, binary operator controls
During variable k=6, Two-component Multi-layer deciphering computing is, binary system is calculated
During symbol control variable k=7, Two-component Multi-layer deciphering computing is,
The binary system recovering after decoding to generate is deciphered 16 binary informations H in anti-counterfeiting information tableiPosition control initial guess set
Being set to i=1, binary operator control variable initial value design is k=0, from recovering the binary system deciphering anti-counterfeiting information table that generates the
One group of H1Starting, each group of 16 binary informations deciphered the binary system recovering to generate in anti-counterfeiting information table are carried out accordingly
Two-component Multi-layer deciphering computing, solves binary system anti-counterfeiting information Ni, generate most-significant byte and be all 16 one group of binary system anti-counterfeiting information of 0
Table, removes most-significant byte, recovers to generate the binary system anti-counterfeiting information table of 8 group, recovers anti-counterfeiting signal and export anti-counterfeiting information.
Accompanying drawing explanation
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.
Detailed description of the invention
In loading anti-counterfeiting information flow chart 1, original anti-counterfeiting information (image, word) is encrypted, generates the two of 8 one group
8 one group of binary informations in binary system anti-counterfeiting information table are expanded to 16 one group of binary system letters by system anti-counterfeiting information table
Breath, generates most-significant byte and is all 16 the one group binary system anti-counterfeiting information table of 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 parameterIt is 0 C
The bigit of 255, binary operator control variable is denoted as k, and binary operator control variable k is that the two of 0 k 7 enters
Integer processed, operatorUse+,-, ×, 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
TimeBe 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, Two-component Multi-layer cryptographic calculation formula is defined as, Two-component Multi-layer encryption fortune during binary operator control variable k=1
Calculation formula is defined as, during binary operator control variable k=2, Two-component Multi-layer cryptographic calculation formula is defined as, during binary operator control variable k=3, Two-component Multi-layer cryptographic calculation formula is defined as, during binary operator control variable k=4, Two-component Multi-layer cryptographic calculation formula is defined as, Two-component Multi-layer cryptographic calculation formula during binary operator control variable k=5
It is defined as, during binary operator control variable k=6, Two-component Multi-layer adds
Close operational formula is defined as, binary operator control variable
During k=7, Two-component Multi-layer cryptographic calculation formula is defined asIf,
Determine encryption parameterInitial value, set in 16 one group binary system anti-counterfeiting information table
16 binary system anti-counterfeiting information NiPosition control variable i=1, from 16 one group binary system anti-counterfeiting information table first group 16
Binary system anti-counterfeiting information N1Starting, circulation uses above-mentioned eight kinds of different cryptographic calculation formula to 16 the one group false proof letter of binary system
In breath table, 16 binary system anti-counterfeiting information are encrypted computing, and carry out i+1 and k+1 while cryptographic calculation each time
Computing, along with the value of i and k changes, by preventing 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 the shape of amplitude in RMB printing processing, is shaped to by amplitudeWithTwo kinds, whereinBe defined as numeral 0,It is defined as numeral 1, RMB printing process utilizes 16 one of generation
The binary system encryption anti-fake information of group, by the amplitude on the circulation look-up table modulation RMB page, makes on the RMB page
Amplitude regular be changed according to the shape of above two amplitude, after modulation on the RMB page adjacent 16
Individual amplitude constitutes one group of 16 binary system anti-counterfeiting information so that taken by the change of amplitude shape on the RMB page
Band anti-counterfeiting information, and make this anti-counterfeiting information be embedded in whole RMB page site, it is achieved RMB anti-counterfeiting printing.
In extracting anti-counterfeiting information flow chart 2, when extracting anti-counterfeiting information, first gather RMB page halftone dot image letter
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, export the binary modulated signal of 16 group, to demodulation
The binary modulated signal of 16 group of output carries out channel-decoding, recovers to generate binary system deciphering false proof after channel-decoding
Information table.
Binary system is deciphered in anti-counterfeiting information table 16 binary informations and is denoted as Hi, by ciphering process, extensive
In the binary system deciphering anti-counterfeiting information table of repetitive generation, during binary operator control variable k=0, Two-component Multi-layer deciphering computing is, during binary operator control variable k=1, Two-component Multi-layer deciphering computing is, two enter
During operator control variable k=2 processed, Two-component Multi-layer deciphering computing is, binary operator controls to become
During amount k=3, Two-component Multi-layer deciphering computing is, during binary operator control variable k=4
Two-component Multi-layer deciphering computing is, during binary operator control variable k=5
Two-component Multi-layer deciphering computing is, binary operator control variable k
When=6, Two-component Multi-layer deciphering computing is, binary operator
During control variable k=7, Two-component Multi-layer deciphering computing is,
The binary system recovering after decoding to generate is deciphered 16 binary informations H in anti-counterfeiting information tableiPosition control initial guess set
Being set to i=1, binary operator control variable initial value design is k=0, from recovering the binary system deciphering anti-counterfeiting information table that generates the
One group of H1Start, each group of 16 binary informations in the binary system group anti-counterfeiting information table recovering generation are carried out corresponding two
Unit's layering deciphering computing, solves binary system anti-counterfeiting information Ni, generate most-significant byte and be all 16 the one group binary system anti-counterfeiting information table of 0,
Remove most-significant byte, recover to generate the binary system anti-counterfeiting information table of 8 group, recover anti-counterfeiting signal and export anti-counterfeiting information.
Claims (1)
1. anti-counterfeiting information is generated a binary modulated signal by cryptographic calculation and chnnel coding, and tabled look-up tune by circulation
The parameter layering gradient binary encrypted binary RMB anti-counterfeiting printing side that anti-counterfeiting information is embedded in full page by mode processed
Method, is characterized in that: be digitized anti-counterfeiting information, generates the binary system anti-counterfeiting information table of 8 group, and anti-counterfeiting information is image
Information and Word message, for preventing from producing in ciphering process information spillover, by 8 one group two in binary system anti-counterfeiting information table
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
I-th group of 16 binary system anti-counterfeiting information in 16 one group binary system anti-counterfeiting information table are denoted as N by information tablei, i is more than 0
Positive integer, eight-digit binary number encryption parameter is denoted as, encryption parameterBeing 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, operatorUse+,-, ×, tetra-kinds of operators of ÷, binary operator control variable k=0
TimeBe defined as+, during binary operator control variable k=1Be respectively defined as+, ÷, binary operator control become
During amount k=2Be respectively defined as-, ÷ ,+, during binary operator control variable k=3Point
Be not 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+, × ,+,
÷ ,-, ÷ ,+, during binary operator control variable k=7Be respectively defined as+
, × ,+, ÷ ,-, ÷ ,+, ×, by i-th group of 16 binary add tight defense in 16 one group binary system encryption anti-fake information table
Fake information is denoted as Ni, during binary operator control variable k=0, Two-component Multi-layer cryptographic calculation formula is defined as, two enter
During operator control variable k=1 processed, Two-component Multi-layer cryptographic calculation formula is defined as, binary operator controls to become
During amount k=2, Two-component Multi-layer cryptographic calculation formula is defined as, binary operator control variable k=3
Time Two-component Multi-layer cryptographic calculation formula be defined as, binary operator control variable k=
When 4, Two-component Multi-layer cryptographic calculation formula is defined as, binary operator control
During variable k=5 processed, Two-component Multi-layer cryptographic calculation formula is defined as,
During binary operator control variable k=6, Two-component Multi-layer cryptographic calculation formula is defined as, during binary operator control variable k=7, Two-component Multi-layer adds
Close operational formula is defined as, set encryption parameterInitial value, set in 16 one group binary system anti-counterfeiting information table 16 two and enter
Anti-counterfeiting information N processediPosition control variable i=1, from 16 one group binary system anti-counterfeiting information table, first group of 16 binary system are prevented
Fake information N1Starting, circulation uses above-mentioned eight kinds of different cryptographic calculation formula in 16 one group binary system anti-counterfeiting information table 16
Position binary system anti-counterfeiting information is encrypted computing, and carries out i+1 and k+1 computing while cryptographic calculation each time, along with
The value change of i and k, by carrying out each group of 16 binary system anti-counterfeiting information in 16 one group binary system anti-counterfeiting information table
Cryptographic calculation, generates 16 the one group binary system encryption anti-fake information table corresponding with 16 one group binary system anti-counterfeiting information table, right
In RMB printing, the shape of amplitude is digitized processing, and is shaped to by amplitudeWithTwo kinds,
WhereinBe defined as numeral 0,It is defined as numeral 1, utilizes the two of 16 one group of generation to enter in RMB printing process
Encryption anti-fake information processed, by the amplitude on the circulation look-up table modulation RMB page, makes the amplitude modulation net on the RMB page
Point is regular to be changed according to the shape of above two amplitude, adjacent 16 amplitude modulation nets on the RMB page after modulation
Point constitutes one group of 16 binary system anti-counterfeiting information so that carry false proof letter by the change of amplitude shape on the RMB page
Breath, and make this anti-counterfeiting information be embedded in whole RMB page site, it is achieved RMB anti-counterfeiting.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610849157.0A CN106183531A (en) | 2016-09-25 | 2016-09-25 | Parameter layering gradient binary encrypted binary RMB anti-counterfeiting printing process |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610849157.0A CN106183531A (en) | 2016-09-25 | 2016-09-25 | Parameter layering gradient binary encrypted binary RMB anti-counterfeiting printing process |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106183531A true CN106183531A (en) | 2016-12-07 |
Family
ID=57520676
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610849157.0A Pending CN106183531A (en) | 2016-09-25 | 2016-09-25 | Parameter layering gradient binary encrypted binary RMB anti-counterfeiting printing process |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106183531A (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1424690A (en) * | 2003-01-20 | 2003-06-18 | 天津市阿波罗信息技术有限公司 | Network screen encoded anti-fakery method |
| CA2554674A1 (en) * | 2004-02-06 | 2005-08-25 | Signoptic Technologies | Use of a digital signature obtained from at least one structural characteristic of a hardware element in order to protect direct reading of sensitive information and method for reading protected sensitive information |
| CN101219614A (en) * | 2007-01-08 | 2008-07-16 | 郑阿奇 | Method for setting false proof making in printed matter |
| CN101699845A (en) * | 2009-10-20 | 2010-04-28 | 北京印刷学院 | Encryption counterfeit printing technology of frequency modulated halftone dot space position for pseudo random signal modulation printed matter |
| 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 |
| CN102225671A (en) * | 2011-04-14 | 2011-10-26 | 北京印刷学院 | Encrypted anti-counterfeit printing technology for modulating shape of printed matter amplitude-modulation screen dot by dual-encrypted signal |
| 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 CN201610849157.0A patent/CN106183531A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1424690A (en) * | 2003-01-20 | 2003-06-18 | 天津市阿波罗信息技术有限公司 | Network screen encoded anti-fakery method |
| CA2554674A1 (en) * | 2004-02-06 | 2005-08-25 | Signoptic Technologies | Use of a digital signature obtained from at least one structural characteristic of a hardware element in order to protect direct reading of sensitive information and method for reading protected sensitive information |
| CN101219614A (en) * | 2007-01-08 | 2008-07-16 | 郑阿奇 | Method for setting false proof making in printed matter |
| CN101699845A (en) * | 2009-10-20 | 2010-04-28 | 北京印刷学院 | Encryption counterfeit printing technology of frequency modulated halftone dot space position for pseudo random signal modulation printed matter |
| 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 |
| CN102225671A (en) * | 2011-04-14 | 2011-10-26 | 北京印刷学院 | Encrypted anti-counterfeit printing technology for modulating shape of printed matter amplitude-modulation screen dot by dual-encrypted signal |
| 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 |
Non-Patent Citations (1)
| Title |
|---|
| 冯登国: "CAST-256", 《密码学导引》 * |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106183531A (en) | Parameter layering gradient binary encrypted binary RMB anti-counterfeiting printing process | |
| CN106183534A (en) | Parameter layering gradient multivariate encrypted binary RMB anti-counterfeiting printing process | |
| 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 | |
| CN106183532A (en) | One-parameter univariate binary layered encryption binary system RMB anti-counterfeiting printing process | |
| CN106183533A (en) | Univariate 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 | |
| CN106218262A (en) | One-parameter univariable ternary layered encryption binary system RMB anti-counterfeiting printing process | |
| CN106218263A (en) | Univariate parameter layering transmutation unary encrypted binary RMB anti-counterfeiting printing process | |
| 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 | |
| CN106427282A (en) | Single parameter variable progressive-changing ternary layering encryption binary Ren Min Bi anti-counterfeit printing method | |
| CN106427284A (en) | Parametric layered gradating and ternary encrypting type binary anti-counterfeit printing method for Ren Min Bi | |
| CN106626876A (en) | One-parameter variable transmutation binary layered encryption binary system Ren Min Bi anti-counterfeit printing method | |
| CN106427281A (en) | Single-parameter single-variable multivariate layering encryption binary Ren Min Bi anti-counterfeit printing method | |
| CN106626875A (en) | Single-parameter multi-variable unary layered encryption binary Renminbi anti-counterfeit printing method | |
| CN106427285A (en) | Single-variable-parameter layered gradating and ternary encrypting type binary anti-counterfeit printing method for Ren Min Bi | |
| CN106427280A (en) | Binary information encryption certificate anti-counterfeit printing method | |
| CN106427286A (en) | Single-parameter single-variable unitary layered encryption type binary anti-counterfeit printing method for Ren Min Bi | |
| CN106427283A (en) | Single-parameter multi-variable multivariate layering encryption binary Ren Min Bi anti-counterfeit printing method | |
| CN103942590B (en) | One-parameter multi-element circulation encryption anti-fake information storage trademark | |
| CN106427279A (en) | Multi-information encryption certificate anti-counterfeit printing method | |
| CN103116773A (en) | Parameter transmutation ternary variable circulation encryption anti-fake information storage trademark | |
| CN103106508A (en) | Single parameter ternary variable circulation encryption anti-counterfeiting information storage trademark | |
| CN103136566A (en) | Parametric variable gradient polynary encryption anti-fake information storage trademark |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20161207 |