CN104363087A - Encryption and decryption method and device - Google Patents
Encryption and decryption method and device Download PDFInfo
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- CN104363087A CN104363087A CN201410663510.7A CN201410663510A CN104363087A CN 104363087 A CN104363087 A CN 104363087A CN 201410663510 A CN201410663510 A CN 201410663510A CN 104363087 A CN104363087 A CN 104363087A
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Abstract
The invention discloses an encryption and decryption method and device. The encryption and decryption method includes the steps of obtaining an input password and pause information when the password is input, and carrying out encryption or decryption according to the password and the pause information. Due to the fact that pause information is a particular habit of a user during password inputting, the particular habit of the user during password inputting is also involved in the encryption and decryption processes, and even if stealing the input password of the user, other people can still not decrypt an encrypted object due to the fact that other people do not know the particular habit of the user during password inputting. Accordingly, the identity of the user is verified by combination of the password and the particular habit of the user, the risk that the password is disclosed is greatly reduced, decryption difficult of the encryption object is improved and data safety is improved.
Description
Technical field
The present invention relates to communication technical field, especially relate to a kind of encipher-decipher method and device.
Background technology
Along with developing rapidly of the communication technology, the fail safe of people to data is more and more paid attention to.In prior art, in order to ensure the safety of data, prevent data from leaking, be usually encrypted as password by inputting the character such as digital, alphabetical, Password Input figure place is more much more complicated, and other people crack also more difficult.Such as, but the password that user is arranged has risk stolen by others, when user inputs password, is easy to by third party software record, or is spied on by other people, thus cause password to be revealed, there is unsafe factor.
Summary of the invention
Main purpose of the present invention is to provide a kind of encipher-decipher method and device, is intended to reduce password leakage risk, improves the fail safe of data.
To achieve these objectives, the present invention proposes a kind of encipher-decipher method, comprises step:
Obtain the password of input, and pause information during input password;
Be encrypted according to described password and pause information or decipher.
Preferably, the password of described acquisition input and pause information when inputting password comprise:
Obtain the password of input;
Pause duration during record input password between every twice adjacent input;
All pause durations according to whole Password Input process record obtain pause information.
Preferably, described all pause durations acquisition pause information according to whole Password Input process record comprise:
According to preset rules, obtain the length grade belonging to described pause duration;
Using the combination of the length grade corresponding to all pause durations of whole Password Input process record as pause information.
Preferably, described all pause durations acquisition pause information according to whole Password Input process record comprise:
According to preset rules, obtain the length grade belonging to described pause duration;
According to pre-arranged code rule, the code that the length grade corresponding to all pause durations obtaining whole Password Input process record forms, using described code as pause information.
Preferably, the described length grade obtained belonging to described pause duration according to preset rules comprises:
According to the fuzzy membership function preset, obtain the length grade belonging to described pause duration.
The present invention proposes a kind of ciphering and deciphering device simultaneously, comprises acquisition module and encryption/decryption module, wherein:
Acquisition module, for obtaining the password of input, and pause information during input password;
Encryption/decryption module, for carrying out encryption and decryption computing according to described password and pause information.
Preferably, described acquisition module comprises acquiring unit, record cell and analytical calculation unit, wherein:
Acquiring unit, for obtaining the password of input;
Record cell, pause duration when inputting password for recording between every twice adjacent input;
Analytical calculation unit, obtains pause information for all pause durations according to whole Password Input process record.
Preferably, described analytical calculation unit is used for:
According to preset rules, obtain the length grade belonging to described pause duration;
Using the combination of the length grade corresponding to all pause durations of whole Password Input process record as pause information.
Preferably, described analytical calculation unit is used for:
According to preset rules, obtain the length grade belonging to described pause duration;
According to pre-arranged code rule, the code that the length grade corresponding to all pause durations obtaining whole Password Input process record forms, using described code as pause information.
Preferably, described analytical calculation unit is used for: according to the fuzzy membership function preset, obtain the length grade belonging to described pause duration.
A kind of encipher-decipher method provided by the present invention, pause information during by obtaining the password of input and inputting password, be encrypted according to this password and pause information or decipher again, due to pause information be user input password time particular custom, particular custom when making user input password is also included into encryption process, even if other people have stolen the input password of user, if but particular custom when not knowing that user inputs password still cannot crack cryptographic object.Therefore, carry out authentication by the particular custom in conjunction with user to user, greatly reduce the risk that password is revealed, what improve cryptographic object cracks difficulty, improves the fail safe of data.
Accompanying drawing explanation
Fig. 1 is the flow chart of encipher-decipher method first embodiment of the present invention;
Fig. 2 is the flow chart of encipher-decipher method first embodiment of the present invention;
Fig. 3 is the flow chart of encipher-decipher method first embodiment of the present invention;
Fig. 4 is the module diagram of ciphering and deciphering device one embodiment of the present invention;
Fig. 5 is the module diagram of acquisition module in Fig. 4.
The realization of the object of the invention, functional characteristics and advantage will in conjunction with the embodiments, are described further with reference to accompanying drawing.
Embodiment
Should be appreciated that specific embodiment described herein only in order to explain the present invention, be not intended to limit the present invention.
In life, the frequency that everyone has oneself intrinsic: people can be sneezed by a people, footsteps differentiates a people, that is because they have fixing audible frequency and footfall frequency; Everyone has oneself dwell interval when report cell-phone number, and as 335-344 etc., this also can be considered as one " frequency "; These parts that can be taken as personal information verify the identity of a people.
Inventor studies discovery, and most people conveniently remembers all can use same password, and they are when inputting password like this, because factors such as memory habit, keystroke custom, qualifications, can produce distinctive Password Input custom.Such as input password time there is intrinsic pause information, namely continuously input password time adjacent twice input between dwell interval.If this part information can be extracted and carry out authentication, the fail safe of authentication will be improved.
Therefore, encipher-decipher method of the present invention, first obtains pause information during password and the input password of input, is then encrypted according to this password and pause information or deciphers.Wherein, pause information when user inputs password is the particular custom of user, and by including the particular custom of user in encryption process, that greatly can improve cryptographic object cracks difficulty, and then improves the fail safe of data.Be described in detail below by way of specific embodiment.
See Fig. 1, propose encipher-decipher method first embodiment of the present invention, described encipher-decipher method comprises the following steps:
Step S10: the password obtaining input
Terminal equipment obtains the password of user's input by touch-screen or physical button, also can be obtained the password of user's input (phonetic entry) by sound receivers such as microphones.Numeral, letter, symbol, word or combination in any that described password and user input when encrypting or decipher or say.
Step S11: pause duration during record input password between every twice adjacent input
Can to be paused duration by timer record, such as, start timing when Key stroke (or phonetic entry) first character, read the reading of timer when Key stroke second character, record the pause duration (interval time) between first and second inputs; Timer resets and again starts timing simultaneously, again reads the reading of timer when Key stroke the 3rd character, the pause duration between record second and third time input.The like, until Password Input is complete.
In fact, step S10 and step S11 does not have sequencing, synchronously carries out.
Step S12: using the combination of all pause durations of whole Password Input process record as pause information
Such as, user inputs password 123456, its input rhythm (or frequency) is 1.2.3-4.5.6, wherein ". " and "-" representative pauses, pause duration then often between adjacent twice input is respectively 0.1 second, 0.1 second, 0.3 second, 0.1 second, 0.1 second, all pause durations of record are combined as code information 0101030101, in order using this code information as pause information.
In certain embodiments, also can not according to sequential combination, i.e. pause information does not comprise built-up sequence, as long as there is the code of corresponding number.Such as, in previous example, the code information that pause information comprises is: four 01, one 03, can random order arrangement.Then in previous example, the input rhythm with input rhythm " 1.2.3-4.5.6 " with identical pause information also comprises " 1-2.3.4.5.6 ", " 1.2-3.4.5.6 ", " 1.2.3.4-5.6 " and " 1.2.3.4.5-6 ".
Step S13: be encrypted according to the password of input and pause information when inputting password or decipher
Described encryption or deciphering, can be encrypted the data stored or decipher, also can be lock the screen of terminal or terminal or unlock.
When carrying out encryption and decryption, the pause both information when password of input and input password can be combined the password as encryption or deciphering, or use as the key (key) of the encryptions such as md5, dec or decipherment algorithm; Or, using the pause both information when password of input and input password individually as the password encrypted or decipher, or use as the key (key) of the encryptions such as md5, dec or decipherment algorithm.Such as, when deciphering, using pause information during input password separately as password, before the password of checking input, comparing checking, being proved to be successful the password of rear checking input.
See Fig. 2, propose encipher-decipher method second embodiment of the present invention, described encipher-decipher method comprises the following steps:
Step S20: the password obtaining input
Terminal equipment obtains the password of user's input by touch-screen or physical button, also can be obtained the password of user's input (phonetic entry) by sound receivers such as microphones.Numeral, letter, symbol, word or combination in any that described password and user input when encrypting or decipher or say.
Step S21: pause duration during record input password between every twice adjacent input
Can to be paused duration by timer record, such as, start timing when Key stroke (or phonetic entry) first character, read the reading of timer when Key stroke second character, record the pause duration (interval time) between first and second inputs; Timer resets and again starts timing simultaneously, again reads the reading of timer when Key stroke the 3rd character, the pause duration between record second and third time input.The like, until Password Input is complete.
Step S22: obtain the length grade belonging to pause duration according to preset rules
Described preset rules is namely to the definition rule of length grade, and such as described length grade can be defined as 1 ~ n level, n be greater than 1 natural number.Such as, can define pause duration 0.1 second and be 1 grade below, within 0.1 ~ 0.3 second, being 2 grades, 0.3 ~ 0.5 is 3 grades, within 0.5 ~ 0.8 second, is 4 grades, the like.
Step S23: using the combination of the length grade corresponding to all pause durations of whole Password Input process record as pause information
Such as, user inputs password 123456, its input rhythm is 1--2-3..4.5.6, wherein ". " and "-" representative pauses, pause duration often between adjacent twice input is respectively 0.8 second, 0.4 second, 0.2 second, 0.1 second, 0.1 second, the length grade that then each pause duration is corresponding is 4 grades, 3 grades, 2 grades, 1 grade, 1 grade, and the length grade corresponding to all pause durations of whole Password Input process record is combined as code information 43211, in order using this code information as pause information.
In certain embodiments, also can not according to sequential combination, i.e. pause information does not comprise built-up sequence, as long as there is the code of corresponding number.Such as, in previous example, the code information that pause information comprises is: one 4, one 3, one 2 and two 1, can random order permutation and combination.
Step S24: be encrypted according to the password of input and pause information when inputting password or decipher
Described encryption or deciphering, can be encrypted the data stored or decipher, also can be lock the screen of terminal or terminal or unlock.
When carrying out encryption and decryption, the pause both information when password of input and input password can be combined the password as encryption or deciphering, or use as the key (key) of the encryptions such as md5, dec or decipherment algorithm; Or, using the pause both information when password of input and input password individually as the password encrypted or decipher, or use as the key (key) of the encryptions such as md5, dec or decipherment algorithm.Such as, when deciphering, using pause information during input password separately as password, before the password of checking input, comparing checking, being proved to be successful the password of rear checking input.
See Fig. 3, propose encipher-decipher method of the present invention 3rd embodiment, described encipher-decipher method comprises the following steps:
Step S30: the password obtaining input
Terminal equipment obtains the password of user's input by touch-screen or physical button, also can be obtained the password of user's input (phonetic entry) by sound receivers such as microphones.Numeral, letter, symbol, word or combination in any that described password and user input when encrypting or decipher or say.
Step S31: pause duration during record input password between every twice adjacent input
Can to be paused duration by timer record, such as, start timing when Key stroke (or phonetic entry) first character, read the reading of timer when Key stroke second character, record the pause duration (interval time) between first and second inputs; Timer resets and again starts timing simultaneously, again reads the reading of timer when Key stroke the 3rd character, the pause duration between record second and third time input.The like, until Password Input is complete.
Step S32: obtain the length grade belonging to pause duration according to preset rules
Described preset rules is namely to the definition rule of length grade, and such as described length grade can be defined as " length " and " short " two grades, or be defined as " length ", " in ", " short " Three Estate.
In order to avoid erroneous judgement or misoperation, can fuzzy membership function be preset, obtain the length grade belonging to pause duration according to fuzzy membership function.Such as, use fuzzy mathematics, calculate the fuzzy membership of certain pause duration in each length grade, will the length grade of the larger length grade of angle value as this pause duration be subordinate to.Wherein, degree of membership represents the degree (or probability) of certain value in a certain interval.
Such as, the fuzzy membership function defining length grade " short " is:
F(x)＝1(x<0.1)
F(x)＝1.25-2.5*x(0.1<＝x<＝0.5)
F(x)＝0(x>0.5)；
The fuzzy membership function of definition length grade " length " is:
F(x)＝0(x<＝0.1)
F(x)＝2.5x-0.25(0.1<x<0.5)
F(x)＝1(x>＝0.5)；
According to aforementioned functions, if a certain pause duration is 0.4 second, calculate the fuzzy membership of " short " and " length " two length grades so respectively, be respectively 0.25 and 0.75, that is the degree that 0.4 second this pause duration belongs to " short " length grade (keystroke is fast) is 0.25, the degree belonging to " length " length grade (keystroke is slow) is 0.75, due to 0.75>0.25, therefore assert that the pause duration length grade of 0.4 second is " length ".
Step S33: according to pre-arranged code rule, the code that the length grade corresponding to all pause durations obtaining whole Password Input process record forms, using this code as pause information
Such as, user inputs password 123456789, its input rhythm is 1.2.3-4.5.6-7.8.9, wherein ". " and "-" representative pauses, and ". " represents that dead time short namely corresponding length grade is " short ", "-" represents that dead time long namely corresponding length grade is " length ", extracts these length class informations for " ..-..-.. ", then obtains the code corresponding to these length grades according to preset rules.
Such as, the rule of the aforementioned length grade of definition reading is as follows:
A, to run into ". ", read next bit, continue to read next bit, maximum 5 ". " if be still ". ";
B if "-", then extracts "-" and ". " above, adding "-" below less than 5, polishing 5;
C, the information of running into run through still inadequate 5, after automatically supplement ". " to meet 5.
According to aforementioned rule, reading length class information " ..-..-.. " in previous example is " ..---..---..... ", according to Morse code coding rule, and contrast Morse code numeral long code, can obtain Morse code 225, this Morse code 225 is the pause information of this Password Input process.
Alternatively, also length grade ". " can be defined as 0, length grade "-" is defined as 1, then the code information that length class information " ..-..-.. " is corresponding is 00100100, and this code information 00100100 is the pause information of this Password Input process.
Step S34: be encrypted according to the password of input and pause information when inputting password or decipher
Described encryption or deciphering, can be encrypted the data stored or decipher, also can be lock the screen of terminal or terminal or unlock.
When carrying out encryption and decryption, the pause both information when password of input and input password can be combined the password as encryption or deciphering, or use as the key (key) of the encryptions such as md5, dec or decipherment algorithm; Or, using the pause both information when password of input and input password individually as the password encrypted or decipher, or use as the key (key) of the encryptions such as md5, dec or decipherment algorithm.Such as, when deciphering, using pause information during input password separately as password, before the password of checking input, comparing checking, being proved to be successful the password of rear checking input.
Encipher-decipher method of the present invention, pause information during by obtaining the password of input and inputting password, be encrypted according to this password and pause information or decipher again, due to pause information be user input password time particular custom, particular custom when making user input password is also included into encryption process, even if other people have stolen the input password of user, if but particular custom when not knowing that user inputs password still cannot crack cryptographic object.Therefore, carry out authentication by the particular custom in conjunction with user to user, greatly reduce the risk that password is revealed, what improve cryptographic object cracks difficulty, improves the fail safe of data.
See Fig. 4, Fig. 5, ciphering and deciphering device one embodiment of the present invention is proposed, described ciphering and deciphering device comprises acquisition module and encryption/decryption module, pause information when acquisition module is for obtaining the password of input and inputting password, encryption/decryption module is used for carrying out encryption and decryption computing according to this password and pause information.
Acquisition module comprises acquiring unit, record cell and analytical calculation unit, wherein:
Acquiring unit: for obtaining the password of input.
Terminal equipment obtains the password of user's input by touch-screen or physical button, also can be obtained the password of user's input (phonetic entry) by sound receivers such as microphones.Numeral, letter, symbol, word or combination in any that described password and user input when encrypting or decipher or say.
Record cell: pause duration when inputting password for recording between every twice adjacent input.
Record cell can be paused duration by timer record, such as, timing is started when Key stroke (or phonetic entry) first character, read the reading of timer when Key stroke second character, record the pause duration (interval time) between first and second inputs; Timer resets and again starts timing simultaneously, again reads the reading of timer when Key stroke the 3rd character, the pause duration between record second and third time input.The like, until Password Input is complete.
Analytical calculation unit: obtain pause information for all pause durations according to whole Password Input process record.
In certain embodiments, analytical calculation unit using the combination of all pause durations of whole Password Input process record as pause information.Such as, user inputs password 123456, its input rhythm (or frequency) is 1.2.3-4.5.6, wherein ". " and "-" representative pauses, the pause duration of recording unit records often between adjacent twice input is respectively 0.1 second, 0.1 second, 0.3 second, 0.1 second, 0.1 second, all pause durations of record are then combined as code information 0101030101, using this code information as pause information by analytical calculation unit in order.
Alternatively, also can not according to sequential combination, i.e. pause information does not comprise built-up sequence, as long as there is the code of corresponding number.Such as, in previous example, the code information that pause information comprises is: four 01, one 03, can random order arrangement.Then in previous example, the input rhythm with input rhythm " 1.2.3-4.5.6 " with identical pause information also comprises " 1-2.3.4.5.6 ", " 1.2-3.4.5.6 ", " 1.2.3.4-5.6 " and " 1.2.3.4.5-6 ".
In further embodiments, analytical calculation unit obtains the length grade belonging to pause duration, using the combination of the length grade corresponding to all pause durations of whole Password Input process record as pause information according to preset rules.
Concrete, described preset rules is namely to the definition rule of length grade, and such as described length grade can be defined as 1 ~ n level, n be greater than 1 natural number.Such as, can define pause duration 0.1 second and be 1 grade below, within 0.1 ~ 0.3 second, being 2 grades, 0.3 ~ 0.5 is 3 grades, within 0.5 ~ 0.8 second, is 4 grades, the like.
Suppose that user inputs password 123456, its input rhythm is 1--2-3..4.5.6, wherein ". " and "-" representative pauses, the pause duration of recording unit records often between adjacent twice input is respectively 0.8 second, 0.4 second, 0.2 second, 0.1 second, 0.1 second, it is 4 grades, 3 grades, 2 grades, 1 grade, 1 grade that analytical calculation unit then obtains length grade corresponding to each pause duration according to aforementioned rule, length grade corresponding to all pause durations of whole Password Input process record is combined as code information 43211, in order using this code information as pause information.
Alternatively, also can not according to sequential combination, i.e. pause information does not comprise built-up sequence, as long as there is the code of corresponding number.Such as, in previous example, the code information that pause information comprises is: one 4, one 3, one 2 and two 1, can random order permutation and combination.
Also have in some embodiments, analytical calculation unit obtains the length grade belonging to pause duration according to preset rules, the code that length grade again corresponding to all pause durations of pre-arranged code Rule whole Password Input process record forms, using this code as pause information.
Concrete, described preset rules is namely to the definition rule of length grade, and such as described length grade can be defined as " length " and " short " two grades, or be defined as " length ", " in ", " short " Three Estate.
In order to avoid erroneous judgement or misoperation, can preset fuzzy membership function, analytical calculation unit obtains the length grade belonging to pause duration according to fuzzy membership function.Such as, use fuzzy mathematics, calculate the fuzzy membership of certain pause duration in each length grade, will the length grade of the larger length grade of angle value as this pause duration be subordinate to.Wherein, degree of membership represents the degree (or probability) of certain value in a certain interval.
Such as, the fuzzy membership function defining length grade " short " is:
F(x)＝1(x<0.1)
F(x)＝1.25-2.5*x(0.1<＝x<＝0.5)
F(x)＝0(x>0.5)；
The fuzzy membership function of definition length grade " length " is:
F(x)＝0(x<＝0.1)
F(x)＝2.5x-0.25(0.1<x<0.5)
F(x)＝1(x>＝0.5)；
According to aforementioned functions, if a certain pause duration is 0.4 second, calculate the fuzzy membership of " short " and " length " two length grades so respectively, be respectively 0.25 and 0.75, that is the degree that 0.4 second this pause duration belongs to " short " length grade (keystroke is fast) is 0.25, the degree belonging to " length " length grade (keystroke is slow) is 0.75, due to 0.75>0.25, therefore assert that the pause duration length grade of 0.4 second is " length ".
Suppose that user inputs password 123456789, its input rhythm is 1.2.3-4.5.6-7.8.9, wherein ". " and "-" representative pauses, and ". " represents that dead time short namely corresponding length grade is " short ", "-" represents that dead time long namely corresponding length grade is " length ", analytical calculation unit then extracts these length class informations for " ..-..-.. ", then obtains the code corresponding to these length grades according to preset rules.
Further, the rule reading aforementioned length grade can be defined as follows:
A, to run into ". ", read next bit, continue to read next bit, maximum 5 ". " if be still ". ";
B if "-", then extracts "-" and ". " above, adding "-" below less than 5, polishing 5;
C, the information of running into run through still inadequate 5, after automatically supplement ". " to meet 5.
According to aforementioned rule, it is " ..---..---..... " that analytical calculation unit reads length class information " ..-..-.. " in previous example, according to Morse code coding rule, contrast Morse code numeral long code, can obtain Morse code 225, this Morse code 225 is the pause information of this Password Input process.
Alternatively, also length grade ". " can be defined as 0, length grade "-" is defined as 1, then the code information that length class information " ..-..-.. " is corresponding is 00100100, and this code information 00100100 is the pause information of this Password Input process.
Encryption/decryption module: be encrypted according to the password of input and pause information when inputting password or decipher.
Described encryption or deciphering, can be encrypted the data stored or decipher, also can be lock the screen of terminal or terminal or unlock.
When carrying out encryption and decryption, the pause both information when password of input and input password can be combined the password as encryption or deciphering by encryption/decryption module, or uses as the key (key) of the encryptions such as md5, dec or decipherment algorithm; Or, using the pause both information when password of input and input password individually as the password encrypted or decipher, or use as the key (key) of the encryptions such as md5, dec or decipherment algorithm.Such as, when deciphering, using pause information during input password separately as password, before the password of checking input, comparing checking, being proved to be successful the password of rear checking input.
Ciphering and deciphering device of the present invention, pause information during by obtaining the password of input and inputting password, be encrypted according to this password and pause information or decipher again, due to pause information be user input password time particular custom, particular custom when making user input password is also included into encryption process, even if other people have stolen the input password of user, if but particular custom when not knowing that user inputs password still cannot crack cryptographic object.Therefore, carry out authentication by the particular custom in conjunction with user to user, greatly reduce the risk that password is revealed, what improve cryptographic object cracks difficulty, improves the fail safe of data.
It should be noted that: the ciphering and deciphering device that above-described embodiment provides is when carrying out encryption and decryption, only be illustrated with the division of above-mentioned each functional module, in practical application, can distribute as required and by above-mentioned functions and be completed by different functional modules, internal structure by terminal equipment is divided into different functional modules, to complete all or part of function described above.In addition, the ciphering and deciphering device that above-described embodiment provides and encipher-decipher method embodiment belong to same design, and its specific implementation process refers to embodiment of the method, and the technical characteristic in embodiment of the method is all corresponding applicable in device embodiment, repeats no more here.
One of ordinary skill in the art will appreciate that, realize the hardware that all or part of step in above-described embodiment method can control to be correlated with by program to complete, described program can be stored in a computer read/write memory medium, and described storage medium can be ROM/RAM, disk, CD etc.
Above with reference to the accompanying drawings of the preferred embodiments of the present invention, not thereby limit to interest field of the present invention.Those skilled in the art do not depart from the scope and spirit of the present invention, and multiple flexible program can be had to realize the present invention, and the feature such as an embodiment can be used for another embodiment and obtains another embodiment.All use do within technical conceive of the present invention any amendment, equivalently replace and improve, all should within interest field of the present invention.
Claims (10)
1. an encipher-decipher method, is characterized in that, comprises step:
Obtain the password of input, and pause information during input password;
Be encrypted according to described password and pause information or decipher.
2. encipher-decipher method according to claim 1, is characterized in that, the pause information when password of described acquisition input and input password comprises:
Obtain the password of input;
Pause duration during record input password between every twice adjacent input;
All pause durations according to whole Password Input process record obtain pause information.
3. encipher-decipher method according to claim 2, is characterized in that, described all pause durations according to whole Password Input process record obtain pause information and comprise:
According to preset rules, obtain the length grade belonging to described pause duration;
Using the combination of the length grade corresponding to all pause durations of whole Password Input process record as pause information.
4. encipher-decipher method according to claim 2, is characterized in that, described all pause durations according to whole Password Input process record obtain pause information and comprise:
According to preset rules, obtain the length grade belonging to described pause duration;
According to pre-arranged code rule, the code that the length grade corresponding to all pause durations obtaining whole Password Input process record forms, using described code as pause information.
5. the encipher-decipher method according to claim 3 or 4, is characterized in that, the described length grade obtained belonging to described pause duration according to preset rules comprises:
According to the fuzzy membership function preset, obtain the length grade belonging to described pause duration.
6. a ciphering and deciphering device, is characterized in that, comprises acquisition module and encryption/decryption module, wherein:
Acquisition module, for obtaining the password of input, and pause information during input password;
Encryption/decryption module, for carrying out encryption and decryption computing according to described password and pause information.
7. ciphering and deciphering device according to claim 6, is characterized in that, described acquisition module comprises acquiring unit, record cell and analytical calculation unit, wherein:
Acquiring unit, for obtaining the password of input;
Record cell, pause duration when inputting password for recording between every twice adjacent input;
Analytical calculation unit, obtains pause information for all pause durations according to whole Password Input process record.
8. ciphering and deciphering device according to claim 7, is characterized in that, described analytical calculation unit is used for:
According to preset rules, obtain the length grade belonging to described pause duration;
Using the combination of the length grade corresponding to all pause durations of whole Password Input process record as pause information.
9. ciphering and deciphering device according to claim 7, is characterized in that, described analytical calculation unit is used for:
According to preset rules, obtain the length grade belonging to described pause duration;
According to pre-arranged code rule, the code that the length grade corresponding to all pause durations obtaining whole Password Input process record forms, using described code as pause information.
10. ciphering and deciphering device according to claim 8 or claim 9, it is characterized in that, described analytical calculation unit is used for: according to the fuzzy membership function preset, obtain the length grade belonging to described pause duration.
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| CN201410663510.7A CN104363087A (en) | 2014-11-19 | 2014-11-19 | Encryption and decryption method and device |
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| CN201410663510.7A CN104363087A (en) | 2014-11-19 | 2014-11-19 | Encryption and decryption method and device |
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| CN201410663510.7A Withdrawn CN104363087A (en) | 2014-11-19 | 2014-11-19 | Encryption and decryption method and device |
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| CN107092817A (en) * | 2016-02-17 | 2017-08-25 | 杭州纳雄科技有限公司 | Input information analysis method and equipment, data inputting method and equipment |
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