CN106157395A - A kind of micro computer raise-position checking coded lock - Google Patents
A kind of micro computer raise-position checking coded lock Download PDFInfo
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- CN106157395A CN106157395A CN201510204453.0A CN201510204453A CN106157395A CN 106157395 A CN106157395 A CN 106157395A CN 201510204453 A CN201510204453 A CN 201510204453A CN 106157395 A CN106157395 A CN 106157395A
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Abstract
A kind of micro computer raise-position checking coded lock proof procedure, including: the password M of certain length is set；To password M segmentation: set N1, N2, N3, N4 ... Ni is each section of Password Length.N1 < N2 < N3 < N4 simultaneously ... < Ni.From the named M1 of cryptopart of the first of password to N1 position, from the named M2 of cryptopart of the first of password to N2 position, from the named M3 of cryptopart of the first of password to N3 position ... from the named Mi of cryptopart of the first of password to Ni position；Password M1 is inputted during authentication, if input password correct verification is passed through, otherwise input password M2, if the password M2 correct verification of input is passed through, otherwise input password M3 ... until inputting last cryptopart Mi.The probability that password holder inputs password raise-position by mistake is the lowest, faced by be short password, the probability that code breaker inputs password raise-position by mistake is the highest, faced by be long password.
Description
Technical field
The present invention relates to a kind of Microcomputerized cipher lock, particularly relate to a kind of micro computer raise-position checking coded lock.
Background technology
Existing Microcomputerized cipher lock, user cipher one is set, and in authentication process itself, password position immobilizes, and exhaustion attack is unable to undergo in the most limited password position, and safety is poor.In order to ensure safety, the most all use limit for cryptographic errors number, input by mistake password exceed limit number of times deprive operating right ensure user cipher safety.Therefore, the contradiction that tradition Microcomputerized cipher lock existence one cannot be unified, user setup password faces awkward selection: from safety considerations, and the longest level of security of password is the highest；But long password exists again and is difficult to remember, complex operation, the problem easily inputed by mistake；From the point of view of being user-friendly to, password is the shortest more easy to remember, and it is the most convenient to operate, but password its safety the shortest is the poorest.
Summary of the invention
In order to solve the problems referred to above that existing Microcomputerized cipher lock exists, the present invention proposes a kind of micro computer raise-position checking coded lock, including:
Single-chip microcomputer, keyboard, button, display, driver, warning and input prompt sound circuit, electromagnetic lock, raise-position checking coded lock program.Wherein, described keyboard, button, display, warning and input prompt sound circuit, driver are connected with single-chip microcomputer respectively；
Described single-chip microcomputer model is AT89C51 or other 51 series；Described keyboard is 5x5 matrix keyboard, and its alignment is connected with single-chip microcomputer P1.0-P1.4 respectively；Its line is connected with single-chip microcomputer P3.1-P3.5 respectively；Keyboard overlook face print numeral add English alphabet, it is simple to password with the alphabetic coding of Chinese phonetic alphabet phrase or sentence so that memory, it is also possible to English word, sentence encode；Numeral on same key button is identical with letter key assignments, and the most same key assignments represents with two kinds of symbols；Described button by: SR, raise-position settings button, password settings button, password authentification load button form.Password authentification load button is external button, and remaining is molded-in buttons, is i.e. arranged in condom with circuit board, indoor, and authentication is by entering operation after unblanking；To prevent unauthorized person from resetting, raise-position is arranged, and password arranges etc. and to make it lose the operation of raise-position authentication function.Its function of described SR is to return to the operation selection state of raise-position settings button, password settings button, password authentification load button, is connected with single-chip microcomputer P3.0；Described its function of raise-position settings button is to arrange raise-position parameter (cryptopart length), is connected with single-chip microcomputer P1.1；Described its function of password settings button be setting code for arranging state, the password i.e. inputted is permanently stored in fixing RAM district, for comparison during password authentification.It is connected with single-chip microcomputer P1.2；Described its function of Password Input button be setting code be proofing state, the password of input instant with password comparison by turn is set.It is connected with single-chip microcomputer P1.3；SR, raise-position settings button, password settings button only use when arranging password and arranging Password Length parameter, and password authentification load button only uses when password authentification first；Described display, by driving module and six seven sections of LED charactrons to form, is connected with single-chip microcomputer P1 mouth and P2 mouth；Full 6 automatic clear 0 of password, the password making way for follow-up input shows；Described warning and input prompt sound circuit are made up of ceramic horn, and single-chip microcomputer output voltage directly drives, and its function is to point out input information and input crypto-alarm by mistake, is connected with single-chip microcomputer P2.1 mouth；Described driver is made up of single-phase silicon-controlled and photoelectrical coupler, and its function is to amplify the control electric current of unblanking of single-chip microcomputer output.Controllable silicon negative electrode is connected with electromagnetic lock with anode.The pin of photoelectrical coupler luminous source is connected with the P2.0 of single-chip microcomputer, and the pin of photoelectrical coupler light-receiving device is connected across silicon controlled negative electrode and grid.When the P2.0 mouth of single-chip microcomputer exports unlocking signal, luminous source is luminous, and light-receiving device creates photoelectric current because of illumination, light-receiving device outfan draw, and makes controllable silicon be triggered conducting, reaches current intensity of unblanking.Described raise-position checking coded lock program belongs to 51 assembler languages, it it is the core innovated of the present invention, compiled generation machine code, burning is in the eprom memory of single-chip microcomputer, and the dynamic data produced in password verification process and the password of user setup are stored in the RAM memory of single-chip microcomputer；
A kind of micro computer raise-position checking coded lock password of the present invention arranges and proof procedure includes:
Step A. arranges the password M of certain length；
Step B. is to password M segmentation: set N1、N2、N3、N4……NiFor each section of Password Length, simultaneously N1<N2<N3<N4……<Ni；
From first of password M to N1The named M of cryptopart of position1；
From first of password M to N2The named M of cryptopart of position2；
From first of password M to N3The named M of cryptopart of position3；
From first of password M to N4The named M of cryptopart of position4；
……
From the first of password to NiThe named M of cryptopart of positioni；
Because of N1<N2<N3<N4……<Ni, corresponding M1< M
2< M 3< M 4……< Mi；
The password M of step C. setting entered from the keyboard, sends into memorizer and preserves；Each section of Password Length parameter: N of setting entered from the keyboard1、N2、N3、N4……NiFeeding memorizer preserves；
Step D. Initialize installation parameter；
Step E. user's input validation cryptopart M, with arranging corresponding cryptopart comparison in memorizer, if comparison is unanimously, performs step I, otherwise performs step F；
Step F. judges whether password rises to highest order, is then to perform step G, otherwise performs step H；
Step G.. using the checking cryptopart after raise-position as new checking cryptopart, perform step E;
Step H. password is according to M1→ M 2→ M 3→ M 4……< MiOrder raise-position input validation, using next cryptopart of this checking cryptopart as new checking cryptopart, perform step G.；
Step I. user passes through password authentification, performs to unblank, and resets password authentication information, and proof procedure terminates.
A kind of micro computer raise-position checking coded lock of the present invention, can effectively solve the technical barrier being difficult to hold concurrently between convenience and the safety of password of the password use that existing Microcomputerized cipher lock exists.
Accompanying drawing explanation
Fig. 1 is the circuit theory diagrams of the present invention.
Fig. 2 is the password raise-position checking flow chart of the present invention.
Fig. 3 is the cipher segment schematic diagram of the embodiment of the present invention 1.
Fig. 4 is the matrix keyboard figure of the present invention.
Detailed description of the invention
Describe a kind of micro computer raise-position checking coded lock of the present invention below in conjunction with the accompanying drawings in detail.
As in figure 2 it is shown, a kind of micro computer raise-position checking coded lock proof procedure of the present invention, including:
Step A. arranges the password M of certain length；
Step B. is to password M segmentation: set N1、N2、N3、N4……NiFor each section of Password Length, simultaneously N1<N2<N3<N4……<Ni；
From first of password M to N1The named M of cryptopart of position1；
From first of password M to N2The named M of cryptopart of position2；
From first of password M to N3The named M of cryptopart of position3；
From first of password M to N4The named M of cryptopart of position4；
……
From the first of password to NiThe named M of cryptopart of positioni；
Because of N1<N2<N3<N4……<Ni, corresponding M1< M
2< M 3< M 4……< Mi；
The password M of step C. setting entered from the keyboard, sends into memorizer and preserves；Each section of Password Length parameter: N of setting entered from the keyboard1、N2、N3、N4……NiFeeding memorizer preserves；
Step D. Initialize installation parameter；
Step E. user's input validation cryptopart M, with arranging corresponding cryptopart comparison in memorizer, if comparison is unanimously, performs step I, otherwise performs step F；
Step F. judges whether password rises to highest order, is then to perform step G, otherwise performs step H；
Step G.. using the checking cryptopart after raise-position as new checking cryptopart, perform step E;
Step H. password is according to M1→ M 2→ M 3→ M 4……< MiOrder raise-position input validation, using next cryptopart of this checking cryptopart as new checking cryptopart, perform step G.；
Step I. user passes through password authentification, performs to unblank, and resets password authentication information, and proof procedure terminates.
Wherein, described step A. arranges the password M of certain length, is generally 20 50 than better suited length；It is proper that described step B. is generally divided into 4-6 section to password M.The hop count of cipher segment and each segment length parameter can be fixed value by software design patterns, simple and convenient user operation, but user can not change, the individual demand of user can not be met, also can be arranged the most voluntarily by user, more motility, but add several steps during operation.Each section of password sum before final stage password does not exceeds about 15, in order to allow user input the slow raise-position of password by mistake.Each section of Password Length presses N1<N2<N3<N4……<NiIt is incremented by, and N1、N2、N3、N4……NiNecessary M overall length, otherwise system fault.If N1=N2=N3=N4……=NiJust not raise-position, becomes conventional cipher verification method.Described step C. length parameter, i.e. raise-position parameter；Described step D. Initialize installation parameter refers to Password Length is set to N1, current authentication cryptopart is set to M1；Described step E. user inputs first paragraph password first, inputs associated cryptographic section according to raise-position state afterwards；Described step F. password rises to the total length that highest order refers to rise to arrange password M；The checking cryptopart that described step G. is new refers to next cryptopart of this checking cryptopart；Described step H. password raise-position is by M1→M2→ M3→ M4……→ MiOrder is carried out；Described step I resets password authentication information and refers to password M1As current authentication cryptopart.
Embodiment 1
Coded lock is verified the most again with a kind of micro computer raise-position of a concrete example in detail present invention.
Step A. arranges the password M of a length of 20:64130965347945694872, and it is stored in the RAM user area of single-chip microcomputer, as shown in Figure 3.
Step B: user needs password M segmentation according to the use of oneself: set each section of Password Length as N1=6；N2=8；N3=10；N4=20, cryptopart M1For:641309；Cryptopart M2For64130965；Cryptopart M3For:6413096534；Cryptopart M4For:64130965347945694872, as shown in Figure 3.
Step C. clicks SR, sends a sound prompt tone of " beep ", then clicks password settings button, sends " beep " ... continuous input prompt sound, password M the most entered from the keyboard:64130965347945694872 ,The password of numeral method input；Click SR, send a sound prompt tone of " beep ", then click raise-position settings button, send " beep " ... continuous input prompt sound, raise-position parameter the most entered from the keyboard: N1=6；N2=8；N3=10；N4=20, the raise-position parameter of numeral method input.
Step D. Initialize installation parameter: Password Length is set to N1: 6, current authentication cryptopart is set to M1:641309。
Step E. click input password button, send " beep " ... continuous input prompt sound, checking cryptopart M the most entered from the keyboard1: 641355, the password of numeral method input, owing to being stored in RAM cryptopart M of correspondence1It is641309, authentication failed, therefore perform step F；(load button of following steps E operates with this step).
Step F. judges whether password rises to highest order, owing to this adds cryptopart M of checking1:641309It is 6, is not raised to highest order: 20, therefore perform step H.
The password raise-position of step H., verifies cryptopart M by this1:641309Next cryptopart M2:64130965As new checking cryptopart, perform step G..
Checking cryptopart after raise-position as new checking cryptopart, is performed step E by step G..
Step E. user's input validation cryptopart M2: 64130955, owing to being stored in RAM cryptopart M of correspondence2It is64130965, authentication failed, therefore perform step F.
Step F. judges whether password rises to highest order, owing to this adds cryptopart M2 of checking 64130965It is 8, is not raised to highest order: 20, therefore perform step H.
The password raise-position of step H., verifies cryptopart M by this2:64130965Next cryptopart M3:6413096534As new checking cryptopart, perform step G..
Checking cryptopart after raise-position as new checking cryptopart, is performed step E by step G..
Step E. user's input validation cryptopart M3: 6413096555, owing to being stored in RAM cryptopart M of correspondence3It is6413096534, authentication failed, therefore perform step F.
Step F. judges whether password rises to highest order, owing to this adds cryptopart M of checking3:6413096534It is 10, is not raised to highest order: 20, therefore perform step H.
The password raise-position of step H., verifies cryptopart M by this3:6413096534Next cryptopart M4:64130965347945694872As new checking cryptopart, perform step G..
Checking cryptopart after raise-position as new checking cryptopart, is performed step E by step G..
Step E. user's input validation cryptopart M4: 64130965347945694855, owing to being stored in RAM cryptopart M of correspondence4It is 64130965347945694872, authentication failed, therefore perform step F.
Step F. judges whether password rises to highest order, owing to this adds cryptopart M of checking4: 64130965347945694872 is 20, has been raised to highest order: 20, therefore perform step G.
Checking cryptopart after raise-position as new checking cryptopart, is performed step E by step G..
Step E. user's input validation cryptopart M4: 64130965347945694872, owing to being stored in RAM cryptopart M of correspondence4It is64130965347945694872, comparison is completely the same, is proved to be successful, and therefore performs step I.
Step I. user passes through password authentification, performs to unblank: single-chip microcomputer P2.0 mouth output high level, photoelectrical coupler output photoelectric stream, controlled silicon conducting drives electromagnetic lock unlocking；Reset password authentication information, by M1:641309As new checking cryptopart, proof procedure terminates.
Embodiment 2
The most again with the Chinese phonetic alphabet of a Chinese sentence for arranging the instantiation of password, describe a kind of micro computer raise-position checking coded lock of the present invention in detail；
Chinese sentence: the thing felt not necessarily understands that what thing that it only understanding of could be more deep feels it；
Corresponding phonetic alphabet: gan jue dao liao de dong xi bu yi ding li jie ta zhi
you li jie liao de dong xi cai neng geng shen ke de gan jue ta。
Step A. arranges the password M:gan jue dao liao de dong xi bu yi ding li jie ta zhi you li jie liao de of a length of 87
Dong xi cai neng geng shen ke de gan jue ta, and it is stored in the RAM user area of single-chip microcomputer.
Step B: user needs password M segmentation according to the use of oneself: set each section of Password Length as N1=6；N2=13；N3=22；N4=87, cryptopart M1For: gan jue；Cryptopart M2For gan jue dao liao；Cryptopart M3For: gan jue dao liao de
dong xi；Cryptopart M4For: gan jue dao liao de dong
xi bu yi ding li jie ta zhi you li jie liao de dong xi cai neng geng shen ke de
gan jue ta。
Step C. clicks SR, sends a sound prompt tone of " beep ", then clicks password settings button, sends " beep " ... continuous input prompt sound, password M:gan jue dao liao de dong the most entered from the keyboard
xi bu yi ding li jie ta zhi you li jie liao de dong xi cai neng geng shen ke de
Gan jue ta, the password of numeral method input；Click SR, send a sound prompt tone of " beep ", then click raise-position settings button, send " beep " ... continuous input prompt sound, raise-position parameter the most entered from the keyboard: N1=6；N2=13；N3=22；N4=87, the raise-position parameter of numeral method input.
Step D. Initialize installation parameter: Password Length is set to N1:6, is set to M1:gan jue by current authentication cryptopart.
Step E. click input password button, send " beep " ... continuous input prompt sound, checking cryptopart M1:gan ju5 the most entered from the keyboard, the password of numeral method input, it is gan jue owing to being stored in RAM cryptopart M1 of correspondence, authentication failed, therefore perform step F；(load button of following steps E operates with this step).
Step F. judges whether password rises to highest order, owing to this adds cryptopart M of checking1: gan jue is 6, is not raised to highest order: 87, therefore perform step H.
The password raise-position of step H., verifies cryptopart M by this1: next cryptopart M of gan jue2: gan jue dao liao, as new checking cryptopart, performs step G..
Checking cryptopart after raise-position as new checking cryptopart, is performed step E by step G..
Step E. user's input validation cryptopart M2: gan jue dao liao,
Owing to being stored in RAM cryptopart M of correspondence2Also being gan jue dao liao, comparison is completely the same, is proved to be successful, and therefore performs step I.
Step I. user passes through password authentification, performs to unblank: single-chip microcomputer P2.0 mouth output high level, photoelectrical coupler output photoelectric stream, controlled silicon conducting drives electromagnetic lock unlocking；Reset password authentication information, by M1: gan jue is as new checking cryptopart, and proof procedure terminates.
It can be seen that use a kind of micro computer raise-position checking coded lock of the present invention, the legitimate holder of password is owing to grasping password, the probability inputing password by mistake is the lowest, therefore raise-position probability is the least, and inputing password continuously by mistake, to be raised to the probability of highest order less, it is desirable to input is short password；And password cracking person does not knows the password set by user, testing spy the most by guess, the probability inputing password by mistake is the highest, is just raised to highest order three, five times, faced by be the long password of tens；This invention efficiently solves the convenience of password and the contradiction of safety, meets the perfect unity of the two.
Claims (3)
1. a micro computer raise-position checking coded lock proof procedure, it is characterised in that including:
Step A. arranges the password M of certain length；
Step B. is to password M segmentation: set N1、N2、N3、N4……NiFor each section of Password Length, simultaneously N1<N2<N3<N4……<Ni；
From first of password M to N1The named M of cryptopart of position1；
From first of password M to N2The named M of cryptopart of position2；
From first of password M to N3The named M of cryptopart of position3；
From first of password M to N4The named M of cryptopart of position4；
……
From the first of password to NiThe named M of cryptopart of positioni；
Because of N1<N2<N3<N4……<Ni, corresponding M1< M 2<
M 3< M 4……< Mi；
The password M of step C. setting entered from the keyboard, sends into memorizer and preserves；Each section of Password Length parameter: N of setting entered from the keyboard1、N2、N3、N4……NiFeeding memorizer preserves；
Step D. Initialize installation parameter；
Step E. user's input validation cryptopart M, with arranging corresponding cryptopart comparison in memorizer, if comparison is unanimously, performs step I, otherwise performs step F；
Step F. judges whether password rises to highest order, is then to perform step G, otherwise performs step H；
Step G.. using the checking cryptopart after raise-position as new checking cryptopart, perform step E;
Step H. password is according to M1→ M 2→ M 3→ M 4……< MiOrder raise-position input validation, using next cryptopart of this checking cryptopart as new checking cryptopart, perform step G.；
Step I. user passes through password authentification, performs to unblank, and resets password authentication information, and proof procedure terminates.
2. a kind of micro computer raise-position checking coded lock proof procedure as claimed in claim 1, it is characterized in that, described step B. is to password M segmentation, the hop count of its cipher segment and each segment length parameter can be fixed value by software design patterns, simple and convenient user operation, but user can not change, it is impossible to meet the individual demand of user；Also can be arranged the most voluntarily by user, more motility, but add several steps during operation；
Cryptopart N1, N2, N3, N4 ... the necessary M overall length of Ni, otherwise system fault；If cryptopart N1=N2=N3=N4 ...=Ni just not raise-position, become conventional cipher verification method.
3. a kind of micro computer raise-position checking coded lock proof procedure as claimed in claim 1, it is characterised in that described step D. Initialize installation parameter refers to Password Length is set to N1, current authentication cryptopart is set to M1.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106709294A (en) * | 2015-11-12 | 2017-05-24 | 北京搜狗科技发展有限公司 | User authentication method and apparatus |
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| CN102693380A (en) * | 2012-05-07 | 2012-09-26 | 李良 | Password authentication method |
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| KR100281872B1 (en) * | 1997-04-01 | 2001-02-15 | 윤종용 | A password processing method |
| CN1967556A (en) * | 2006-07-19 | 2007-05-23 | 北京市中兴通电子技术有限公司 | Method for administrator to unlock password |
| CN101079088A (en) * | 2006-12-28 | 2007-11-28 | 腾讯科技（深圳）有限公司 | Cipher protection system and method |
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Application publication date: 20161123 |
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