CN103747021B - Novel dynamic password protection system - Google Patents
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- CN103747021B CN103747021B CN201410054544.6A CN201410054544A CN103747021B CN 103747021 B CN103747021 B CN 103747021B CN 201410054544 A CN201410054544 A CN 201410054544A CN 103747021 B CN103747021 B CN 103747021B
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Abstract
The invention provides a novel dynamic password protection system, and aims to overcome the defects of the prior art. When a user logs in with a self network account, the binding with a computer is not required, the binding with a dot array password protection card is also not required, a token is not required to be used, the technique provided by the system is directly used, a dynamic confidential character is generated in a mobile phone or other mobile hardware in advance, and the relevant operation after successful login can be safely and conveniently realized even if at abroad.
Description
Technical field
The invention belongs to the network entry account protection field of user, specifically, it is related to a kind of novel dynamic passwords and protects
Protecting system.
Background technology
The online game account of user, the network entry account such as No. QQ, are all very important conventional accounts, if quilt
Steal, it will cause the user economically or other side loss it is clear that merely the mode of input username and password has been
User account can not be protected very well, the computer binding that current service provider releases, after user changes computer, again tie up again
Fixed, for the sake of security, originally the computer of use, also unbinding.As for dot matrix security card protected mode, use in user
It is necessary to change after a period of time, otherwise also dangerous.More intelligent and advanced with steal-number technology, effective protection network
Account becomes extremely difficult, by network game service business provide account resist technology as a example, in terms of account protection it may be said that
It is to retreat in defeat again and again, be almost only left now token resist technology.But the token of example, in hardware, need user to buy, and
Have certain validity period, be also performed to time synchronized, in consideration of it, network game service business to player's special recommendation use free
Handset token, handset token equally will carry out time synchronized operation, no matter which kind of token, requires user at previous point of login
Calculate and input dynamic password within clock, the weak point of token is it is simply that account protection clothes can not be provided for Foreign User
, because there is obvious time difference in business.
The mobile phone no card enchashment being back to discuss bank's offer services although can effectively prevent bank card to be cloned, but
Troublesome poeration, makes many people hang back.
One operation is relatively easy, can effectively strengthen the account resist technology of user account safety again, exactly many at present
The technology that service provider is strongly found.
Content of the invention
It is an object of the invention to overcoming the deficiencies in the prior art, provide a kind of novel dynamic passwords protection system
System, user, when being logged in the network account of oneself, need not carry out computer binding, need not bind dot matrix security card, need not
Using token, directly utilize the technology that the present invention provides, mobile phone or other mobile hardware generate dynamically secret word in advance
Symbol, even if abroad, can easily realize the associative operation after Successful login conveniently, safely.
For reaching above-mentioned purpose, the present invention provides a kind of Novel dynamic password protection system, including account centralized stores machine
Structure, account binding mechanism, dynamic character generating mechanism and login authentication mechanism it is characterised in that：Described account centralized stores machine
There is account name memorizer, serial number memorizer, crypto key memory, dynamic character memorizer, fixed character memorizer, dynamic in structure
Character mark device, other character memory, user cipher memorizer and effect duration memorizer；Account is had to recognize in account binding mechanism
Card device, account binder；There are the built-in device of serial number renderer, key, the built-in device of fixed character in dynamic character generating mechanism, consolidate
Determine character mark device, dynamic character maker and dynamic character renderer；There is serial number loader, dynamic in login authentication mechanism
Character input device, user cipher loader and login authentication device；
The information of proof oneself identity that account authenticator provides to user is identified, without by certification, then
The account of user can not be bound, if passing through certification, account binder will for user's one serial number of distribution, one close
Key and multiple fixed character, the account of user is bound with this serial number, and by this serial number, key and multiple fixed word
Symbol is stored in account corresponding serial number memorizer, crypto key memory and the fixed character memorizer of user respectively；
Serial number corresponding to dynamic character generating mechanism acquisition user account, key and multiple fixed character, deposit respectively
Enter in serial number renderer, the built-in device of key and the built-in device of fixed character, user, when needing, is generated using dynamic character
Device generates dynamic password, and the operational rule generating dynamic password is as follows：
（a）The fixed character not having to use searched from fixed character marker by dynamic character maker, from fixed character
Select fixed character m not having to use in built-in device, then obtain current date literal d, m and d is combined into one
Character string s；
（b）Dynamic character maker is encrypted to character string s using the key k in the built-in device of key, obtains ciphertext u,
Again ciphertext u is processed into character string v of regular length, in dynamic character renderer, shows character string v；
（c）Dynamic character maker by fixed character m be designated using, and this mark is stored in fixed character mark
Know in device, if all of fixed character all using, then by all fixed character be designated not using, and respectively
This mark is stored in fixed character marker；
User inputs the serial number of display in user account or serial number renderer in serial number loader, dynamic
In character input device input character string v, in user cipher loader input password, login authentication device to user input more than
Information is verified, judges in client or service end whether the login of user is legal, and judgment rule is other with execution related
The step of operation is as follows：
（ⅰ）If being not provided with effective phase in effect duration memorizer, then just there is no dynamic word in dynamic character memorizer
Symbol, then login authentication device itself or login authentication device request service end carry out following computing：
（ⅰ1）Generate one or more effect duration character string, whole effect duration character strings are stored in effect duration memorizer
In, by each effect duration character string respectively with fixed character memorizer in each fixed character combination of two, form n
New character string, is designated as s respectively1, s2, s3……sn；
（ⅰ2）Using the key k in crypto key memory respectively to character string s1, s2, s3……snIt is encrypted, respectively obtain
Ciphertext u1, u2, u3……un, more respectively by ciphertext u1, u2, u3……unIt is processed into character string v of regular length1, v2, v3……
vn, and by character string v1, v2, v3……vnIt is stored in dynamic character memorizer；
（ⅰ3）By v1, v2, v3……vnBe individually identified as not using, and respectively these marks are stored in dynamic character mark
Know in device；
（ⅱ）If the date that user prepares to log in has exceeded the effect duration of regulation, login authentication device itself or login
Authenticator asks service end to empty all dynamic characters in dynamic character memorizer, empties all in effect duration memorizer simultaneously
Effect duration, then according to situation（ⅰ）Execution associative operation；
（ⅲ）For situation（ⅰ）And situation（ⅱ）, after execution associative operation, in effect duration memorizer, always have one or many
Individual effect duration, equally, except situation（ⅰ）And situation（ⅱ）, also there is one or more effect duration in effect duration memorizer, as long as
It is provided with effect duration in effect duration memorizer, in dynamic character memorizer, just has multiple dynamic characters, if the serial number of input
Or user account and password are correct, and dynamic password character string v inputting not only not using, also and character string
v1, v2, v3……vnIn some character string viMate, then the information of user input passes through checking, permit User logs in, and will
viBe designated using, then this mark is stored in dynamic character marker；Otherwise forbid User logs in.
The remarkable result of the present invention is：Generate the simple to operation of dynamic password, and dynamic password is safe and reliable, move
State password can log in before the long period obtain, do not limited by time difference between country and country, can be domestic and international
User provides the account protection of high safety rank；By arranging the number of fixed character, the daily Successful login of user can be controlled
Number of times, reach the purpose of user's self-contr ol, it is to avoid excessively surf the Net, cause body and mind to damage.
Brief description
Fig. 1 is with regard to carrying out the structure principle chart of account protection using novel dynamic passwords in the present invention.
Specific embodiment
The present invention is further illustrated with reference to the accompanying drawings and detailed description.
Embodiment 1, as shown in Figure 1：1st, a kind of Novel dynamic password protection system, including account centralized stores mechanism, account
Number binding mechanism, dynamic character generating mechanism and login authentication mechanism it is characterised in that：Have in described account centralized stores mechanism
Account name memorizer, serial number memorizer, crypto key memory, dynamic character memorizer, fixed character memorizer, dynamic character mark
Know device, other character memory, user cipher memorizer and effect duration memorizer；Have in account binding mechanism account authenticator,
Account binder；There are the built-in device of serial number renderer, key, the built-in device of fixed character, fixed word in dynamic character generating mechanism
Symbol marker, dynamic character maker and dynamic character renderer；There are serial number loader, dynamic character in login authentication mechanism
Loader, user cipher loader and login authentication device；
The information of proof oneself identity that account authenticator provides to user is identified, without by certification, then
The account of user can not be bound, if passing through certification, account binder will for user's one serial number of distribution, one close
Key and multiple fixed character, the account of user is bound with this serial number, and by this serial number, key and multiple fixed word
Symbol is stored in account corresponding serial number memorizer, crypto key memory and the fixed character memorizer of user respectively；
Serial number corresponding to dynamic character generating mechanism acquisition user account, key and multiple fixed character, deposit respectively
Enter in serial number renderer, the built-in device of key and the built-in device of fixed character, user, when needing, is generated using dynamic character
Device generates dynamic password, and the operational rule generating dynamic password is as follows：
（a）The fixed character not having to use searched from fixed character marker by dynamic character maker, from fixed character
Select fixed character m not having to use in built-in device, then obtain current date literal d, m and d is combined into one
Character string s；
（b）Dynamic character maker is encrypted to character string s using the key k in the built-in device of key, obtains ciphertext u,
Again ciphertext u is processed into character string v of regular length, in dynamic character renderer, shows character string v；
（c）Dynamic character maker by fixed character m be designated using, and this mark is stored in fixed character mark
Know in device, if all of fixed character all using, then by all fixed character be designated not using, and respectively
This mark is stored in fixed character marker；
User inputs the serial number of display in user account or serial number renderer in serial number loader, dynamic
In character input device input character string v, in user cipher loader input password, login authentication device to user input more than
Information is verified, judges in client or service end whether the login of user is legal, and judgment rule is other with execution related
The step of operation is as follows：
（ⅰ）If being not provided with effective phase in effect duration memorizer, then just there is no dynamic word in dynamic character memorizer
Symbol, then login authentication device itself or login authentication device request service end carry out following computing：
（ⅰ1）Generate one or more effect duration character string, whole effect duration character strings are stored in effect duration memorizer
In, by each effect duration character string respectively with fixed character memorizer in each fixed character combination of two, form n
New character string, is designated as s respectively1, s2, s3……sn；
（ⅰ2）Using the key k in crypto key memory respectively to character string s1, s2, s3……snIt is encrypted, respectively obtain
Ciphertext u1, u2, u3……un, more respectively by ciphertext u1, u2, u3……unIt is processed into character string v of regular length1, v2, v3……
vn, and by character string v1, v2, v3……vnIt is stored in dynamic character memorizer；
（ⅰ3）By v1, v2, v3……vnBe individually identified as not using, and respectively these marks are stored in dynamic character mark
Know in device；
（ⅱ）If the date that user prepares to log in has exceeded the effect duration of regulation, login authentication device itself or login
Authenticator asks service end to empty all dynamic characters in dynamic character memorizer, empties all in effect duration memorizer simultaneously
Effect duration, then according to situation（ⅰ）Execution associative operation；
（ⅲ）For situation（ⅰ）And situation（ⅱ）, after execution associative operation, in effect duration memorizer, always have one or many
Individual effect duration, equally, except situation（ⅰ）And situation（ⅱ）, also there is one or more effect duration in effect duration memorizer, as long as
It is provided with effect duration in effect duration memorizer, in dynamic character memorizer, just has multiple dynamic characters, if the serial number of input
Or user account and password are correct, and dynamic password character string v inputting not only not using, also and character string
v1, v2, v3……vnIn some character string viMate, then the information of user input passes through checking, permit User logs in, and will
viBe designated using, then this mark is stored in dynamic character marker；Otherwise forbid User logs in.
In the above-described embodiments, character string s is the plaintext required for encryption, by selecting from the built-in device of fixed character
Individual fixed character m not having to use and current date literal d combine, for example：There is character in the built-in device of fixed character
" g1 ", " g2 ", " g3 ", " g4 ", " g5 ", " g6 ", " g7 ", " g8 ", " g9 " and " g0 ", identified in fixed character marker
" g1 ", " g2 ", " g3 ", " g4 ", " g5 ", " g6 ", " g7 ", " g8 " using, therefore can select not used
As m, i.e. m=" g9 ", current date literal, when typically can take user operation on-site current for fixed character " g9 "
Between, for example current time is：2014-2-16, can make d=" 20140216 ", and therefore character string s can be write as " 20140216
G9 " is naturally it is also possible to be write as " 2014 g90216 ", as long as the rule of combination is consistent, i.e. group in dynamic character generating mechanism
It is regular consistent that the rule closed is combined when client or service end are verified with login authentication device.If fixed character has
10, character string s that current date literal is combined with fixed character be up to 10, after being encrypted by these character strings
Ciphertext u being formed also be up to 10, the dynamic character v through being processed to ciphertext and being formed also is up to 10, dynamically
Character v is exactly dynamic password, so, user's same day at most can reach effective self-contr ol online number of times with Successful login 10 times
Purpose, it is to avoid excessively surf the Net, cause body and mind to damage.
User, when carry out account binding with account binder, can be designed to more hommization it is allowed to user sets
Put the number of times at most logging in daily, thus limiting the number of fixed character.
Because user account and serial number are binding relationships, user account is unique in the entire system, therefore, sequence
Number it is also unique in the entire system.In view of the tight security of encryption, account binder distributes to being used for of this user
The key of encryption should be also unique in the entire system.
Fixed character can be unique it is also possible to not be unique in the entire system.Because, if fixed character exists
Not unique in whole system, then character string s being combined by date and fixed character is not unique in the entire system, but,
As long as key k is unique, then ciphertext u is also unique, dynamic password character string v can not be hypothesized.
For the ease of User logs in, ensure that dynamic password character string v has certain cryptosecurity intensity again simultaneously, one
As dynamic password character string v is processed into 6 bit digital, guess right its probability be 1/1000000th.
In order to prevent hacker from obtaining user cipher or dynamic password character string v from internal memory, it is, in general, that certain can be used
Identical key is encrypted password or dynamic password character string v again, is stored in the dynamic password in dynamic character memorizer
Character string also will be encrypted again, and so, what hacker obtained is the password encrypted again or dynamic password character string v, and these are again
The password of secondary encryption or dynamic password character string v can not pass through login authentication.
With regard to the setting of effect duration, if only domestic user uses, effect duration can only have one day, such dynamic character
Dynamic password character string in memorizer just seldom, can greatly reduce disk space and take.If there is users at home and abroad simultaneously
Use, due to there is the time difference it is proposed that setting effect duration is three days, for example：Assume that server in China, with the Chinese date is then
Standard date, based on standard date, is further added by two days, and the current Chinese date is：2014-2-17, then can be having
Effect phase character string " 2014-2-16 2014-2-17 2014-2-18 " is stored in effect duration memorizer.If the user while certain state
Family logs in, and local date is：2014-2-19, local date has exceeded effect duration it is impossible to be logged in.And at this moment Chinese date
If：2014-2-18, then setting effect duration character string is " 2014-2-17 2014-2-18 2014-2-19 "；At this moment China
Date if：2014-2-19, then setting effect duration character string is " 2014-2-18 2014-2-19 2014-2-20 "；At this moment
The Chinese date if：2014-2-20, then setting effect duration character string is " 2014-2-19 2014-2-20 2014-2-21 "；
New effect duration character string is stored in effect duration memorizer, replaces the effect duration of original setting, update dynamic character simultaneously and deposit
Dynamic character in reservoir, i.e. dynamic password.
In the entire system, all users are stored in the dynamic password character string in account centralized stores mechanism and effect duration
Character string can take certain disk space, with effect duration for 3 days, at most logs in 10 times daily, each dynamic password is 6
Numeral, has the data of 200,000,000 users, then, the disk space of increase is about 45GB, and the disk space of occupancy is considerably less, with
The disk space that the dot matrix security card of front use takies is similar（Dot matrix security card is not high because of safety, domestic game service
Business does not reoffer use substantially）.
In specific implementation process, it is possible to use account binding mechanism and dynamic character generating mechanism be designed to one
The software using on mobile phone, or the hardware carried with.
It is exemplified below, how to design a cell phone software using the present invention, realize conveniently, safely carrying out the present invention
The secure network login service providing.
Account binding mechanism and dynamic character generating mechanism can be comprised, this software can be in service provider in cell phone software
The website providing is downloaded, and is then fitted in the mobile phone of oneself.
User, in the account binding mechanism of mobile phone, inputs the account of oneself, then receive previously already registered with oneself
The checking note sent of mobile phone, then input correct checking note, account authenticator has passed through the Information Authentication of user's submission
Afterwards, immediately the account of user is bound with the serial number of distribution, when user needs to obtain dynamic password, only need to be used dynamic word
Symbol maker generates the dynamic password of 6 bit digital, the dynamic password of 6 bit digital, and input is convenient, has very high password to pacify again
Full strength, can be not only used for automatic teller machine and withdraws the money, and can be used for Internet bank's on-line payment and GID protection etc. again.
Realize mobile phone no card enchashment with the technology that the present invention provides, facilitate than the no card enchashment operation of current mobile phone
Many it is not necessary to logging in online banks, the step of operation is considerably less, can obtain dynamic password within several seconds.
Even if mobile phone is poisoned, the account of user's binding and the dynamic password obtaining are all obtained by a hacker, but hacker does not know
The account number cipher of road user, still can not log in.
In order to further enhance safety, developer can arrange the entry password of cell phone software, even if others steals
The mobile phone of oneself, nor enter cell phone software acquisition dynamic password.
Although dynamic password has very high safety, when User logs in, or require to be simultaneously entered use
Family password and dynamic password carry out multiple authentication, make login safer；It is not recommended that merely entering dynamic password to carry out login authentication.
Certainly, the present invention also can have other various embodiments, in the case of without departing substantially from present invention spirit and its essence, ripe
Know those skilled in the art to make various corresponding changes according to the present invention and deform, but these corresponding changes and deformation
The protection domain of appended claims of the invention all should be belonged to.
Claims (1)
1. a kind of Novel dynamic password protection system, generates including account centralized stores mechanism, account binding mechanism, dynamic character
Mechanism and login authentication mechanism it is characterised in that：There are account name memorizer, serial number storage in described account centralized stores mechanism
Device, crypto key memory, dynamic character memorizer, fixed character memorizer, dynamic character marker, other character memory, use
Family encryption memory and effect duration memorizer；There are account authenticator, account binder in account binding mechanism；Dynamic character generates
There are the built-in device of serial number renderer, key, the built-in device of fixed character, fixed character marker, dynamic character maker in mechanism
With dynamic character renderer；Have in login authentication mechanism serial number loader, dynamic character loader, user cipher loader and
Login authentication device；
The information of proof oneself identity that account authenticator provides to user is identified, without by certification, then user
Account can not be bound, if pass through certification, account binder will for user distribution one serial number, a key and
Multiple fixed character, the account of user is bound with this serial number, and this serial number, key and multiple fixed character are divided
It is not stored in account corresponding serial number memorizer, crypto key memory and the fixed character memorizer of user；
Serial number corresponding to dynamic character generating mechanism acquisition user account, key and multiple fixed character, are stored in sequence respectively
In the built-in device of row number renderer, key and the built-in device of fixed character, user, when needing, is given birth to using dynamic character maker
Become dynamic password, the operational rule generating dynamic password is as follows：
（a）The fixed character not having to use searched from fixed character marker by dynamic character maker, built-in from fixed character
Select fixed character m not having to use in device, then obtain current date literal d, m and d is combined into a character
String s；
（b）Dynamic character maker is encrypted to character string s using the key k in the built-in device of key, obtains ciphertext u, then will
Ciphertext u is processed into character string v of regular length, shows character string v in dynamic character renderer；
（c）Dynamic character maker by fixed character m be designated using, and this mark is stored in fixed character marker
In, if all of fixed character all using, then by all fixed character be designated not using, and respectively should
Mark is stored in fixed character marker；
User inputs the serial number of display in user account or serial number renderer in serial number loader, in dynamic character
Input character string v in loader, user cipher loader inputs password, the information above to user input for the login authentication device
Verified, judged in client or service end whether the login of user is legal, judgment rule other associative operations with execution
Step as follows：
（ⅰ）If being not provided with effective phase in effect duration memorizer, then just there is no dynamic character in dynamic character memorizer, then
Login authentication device itself or login authentication device request service end carry out following computing：
（ⅰ1）Generate one or more effect duration character string, whole effect duration character strings are stored in effect duration memorizer, will be every
One effect duration character string respectively with fixed character memorizer in each fixed character combination of two, form n new word
Symbol string, is designated as s respectively1, s2, s3……sn；
（ⅰ2）Using the key k in crypto key memory respectively to character string s1, s2, s3……snIt is encrypted, respectively obtain ciphertext
u1, u2, u3……un, more respectively by ciphertext u1, u2, u3……unIt is processed into character string v of regular length1, v2, v3……vn, and
By character string v1, v2, v3……vnIt is stored in dynamic character memorizer；
（ⅰ3）By v1, v2, v3……vnBe individually identified as not using, and respectively these marks are stored in dynamic character marker
In；
（ⅱ）If the date that user prepares to log in has exceeded effect duration, login authentication device itself or the login authentication of regulation
Device asks service end to empty all dynamic characters in dynamic character memorizer, and empty all of in effect duration memorizer has simultaneously
The effect phase, then according to situation（ⅰ）Execution associative operation；
（ⅲ）For situation（ⅰ）And situation（ⅱ）, after execution associative operation, in effect duration memorizer, always have one or more to have
The effect phase, equally, except situation（ⅰ）And situation（ⅱ）, also have one or more effect duration in effect duration memorizer, as long as effectively
Be provided with effect duration in phase memorizer, in dynamic character memorizer, just have multiple dynamic characters, if input serial number or
User account and password are correct, and dynamic password character string v inputting not only not using, also with character string v1, v2,
v3……vnIn some character string viCoupling, then the information of user input pass through checking, permit User logs in, and by viMark
Know for using, then this mark is stored in dynamic character marker；Otherwise forbid User logs in.
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| CN201410054544.6A CN103747021B (en) | 2014-02-18 | 2014-02-18 | Novel dynamic password protection system |
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| CN103747021B true CN103747021B (en) | 2017-02-22 |
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