CN101098232A - Dynamic password and multiple biological characteristics combined identification authenticating method - Google Patents
Dynamic password and multiple biological characteristics combined identification authenticating method Download PDFInfo
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Abstract
The invention relates to an identification method with combined dynamic password and multiple biologic characters, which comprises that in user identification check, a client via a dynamic password realizes the identification on server, and uses the generated dynamic password to encrypt extracted user biologic characters (fingerprint, iris, and face character or the like)as the identification message to be sent to the server, the server decrypts each user biologic character to match the biological characters of relative template to obtain match similarity, and fuse all biological character match results to obtain an integral similarity, to be compared with a threshold value to judge if the user legally completes the identification of server on the client.
Description
Technical field
The present invention relates to the method for authentication in a kind of network safety filed, particularly discern the identity identifying method that combines based on dynamic password and multi-biological characteristic.
Background technology
In the network environment of complexity, user's authentication is a matter of utmost importance.Authentication is the first line of defence of network safety system, in case identity authorization system is broken, all safety measures of system will perform practically no function.At present the most traditional and the most generally based on the identity identifying method of user name and static password, there are many shortcomings in this authentication, at first the user must remember some complicated passwords, secondly static password is many transmits on the net and immobilizes with the plaintext form, even transmit with the ciphertext form through encrypting the back, used encryption key also is constant, and this makes that the assailant can be by eavesdropping to such an extent that password reaches the purpose of intrusion system.Safer identity identifying method is to adopt dynamic password authentication method to carry out authentication at present, perhaps adopts the living things feature recognition method to carry out authentication.
The applicant of present patent application once proposed a kind of identity identifying method based on the S/Key system in Chinese patent application 200710089999.1.This method may further comprise the steps: the user submits user name ID by safe lane to certificate server by client when registering first
A, secret current password, and the iterative value N that the one-time password sequence is set provides registered user's biological characteristic value T ' simultaneously, server generates the seed S corresponding with this user, and first password P of calculating password sequence
0=H
N(W+S).The user at first inputs user name ID by client browser in the authentication process
A, Query Database after server submits to authentication request, server to receive authentication request is found out and user name ID
ACorresponding seed S and current iteration value N-i, and be used to decipher the one-time password P of biological characteristic value when authenticating last time
I-1, and these values are sent to client browser as response message, client calculates current one-time password P according to secret pass phrases W, the current iteration value N-i and the seed S that server sends over of user's input
i=H
N-i(W+S), and to current password P
iCarry out a Hash operation again and obtain P '
I-1=H (P
i), client is with P '
I-1Be used to decipher the one-time password P of biological characteristic value when authenticating with last time
I-1Relatively, if unanimity as a result thinks that then iterative value is errorless, client is by the checking to server.Simultaneously client is gathered user biological information, extracts characteristic value T, and client is with the one-time password P of this authentication
iAs key user biological characteristic value T is encrypted, the information after transmission is encrypted is to server, and server by utilizing and client same procedure calculate the one-time password P ' of this authentication
i, with this one-time password P '
iThe enciphered message that receives is decrypted, user biological characteristic value T after the deciphering and the biological characteristic value T ' that is kept at active user in the server biological characteristic storehouse mate, the match is successful then server and preserve this one-time password P ' by to the checking of client
i, not matching illustrates that then the user is illegal, refuses this logging request.As seen this patent is to add that with dynamic password checking to the biological characteristic value realizes the identification to login user.Thisly add the fail safe that method that biological characteristic discerns has improved authentication with dynamic password.
But because each living things feature recognition mode all has its advantage, all obtained success in various degree, its intrinsic shortcoming that is difficult to overcome has also been arranged in different field.For example, in the fingerprint recognition owing to there being reasons such as scar, elongated cocoon, dry skin, ill skin, skin aging, transducer be contaminated may be difficult to extract appropriate information in practice; Though obtaining of iris image is comparatively strict, in general the Black Eyes iris difficulty read; Facial image can be along with change of age, and discrimination is subjected to factor affecting such as cosmetic, expression, posture, illumination variation easily; Change when sound can change in people's health status, and same individual's recording also can be cheated speech recognition system.Because the noise of transducer and the defective of feature extraction and coupling, can not guarantee to draw correct recognition result at every turn, a jactitator might be by the acceptance of a living creature characteristic recognition system mistake, and false acceptance rate and false rejection rate can not be low simultaneously.Other biological characteristic value also has similar situation.Therefore cause the accuracy rate of single creature feature identification limited.Particularly extract and normally to login fully when wrong when the biological characteristic value.
On the other hand, because the biological characteristic value that biological characteristic value of extracting in login authentication and system store in advance is difficult to realize coupling fully, the phenomenon that this problem also can cause the user to login smoothly.
Because biological characteristic is an individual privacy, and be unique, irrevocable.If in a single day biological attribute data leaks in the network transport process, just can cause catastrophic effect.And by illegally obtaining other people biological characteristic and duplicated, also happen occasionally with the false biological characteristic that the duplicates example that computer system assumes another's name to authenticate of out-tricking.Therefore in today that the security requirement to identity authorization system is increased day by day, can not satisfy the demands based on the authentication of single creature feature.Enter more and also need a kind of more reliable and safe identity identifying method in the sophisticated system.
Summary of the invention
The invention provides a kind of identity identifying method that can solve the prior art deficiency.The present invention relates to following three kinds of situations exactly:
1, provide a kind of can the solution in the prior art because of the problem of a kind of biological characteristic value in extracting to cause a kind of dynamic password of the deficiency that system can not be by authentication and the identity identifying method that multi-biological characteristic identification combines.This is first purpose of the present invention.
Single biological characteristic can't be fully and the prior problem that the biological characteristic value is mated fully, accuracy rate is limited of storing of system when 2, solving login, can realize the purpose of logining when making the biological characteristic value of extracting certain matching degree smoothly.This is second purpose of the present invention.
3,, provide a kind of more senior and safe identity identifying method at the requirement of special system.This is the 3rd purpose of the present invention.
First purpose of the present invention realizes: set user name ID in advance by the user in Verification System
A, secret pass phrases W, one-time password sequence iterative value N, registered user's biological characteristic value is provided simultaneously, it is characterized in that the biological characteristic value that the user provides is at least two kinds of different biological characteristic values, the user name ID that the user is provided by client browser the user by server in the authentication process in Verification System
AInquire about, find and user name ID
ACorresponding seed S, current iteration value N-i, be used to decipher the one-time password P of each biological characteristic value when authenticated last time
I-1, and with the hashed value K of these three values with W
wEncrypt the back and send to client browser as response message, client is according to the hashed value K ' of the W of user's input
wDecrypt current iteration value N-i, seed S that server sends over and the one-time password P of authentication last time
I-1, calculate current one-time password P
i=H
N-i(W+S), and to P
iCarry out a Hash operation again and obtain P '
I-1=H (P
i), client is P ' relatively
I-1With P
I-1If unanimity then think that iterative value is errorless, client be by the checking to server, the similar user biological characteristic value T ' of biological characteristic that client collection simultaneously and user provide in advance
x, client is with the one-time password P of this authentication
iAs key to every kind of biological characteristic value of user T '
xEncrypt, enciphered message is sent to server.Server by utilizing and client same procedure calculate the one-time password P ' of this authentication
i, use P '
iThe enciphered message that receives is decrypted every kind of biological characteristic value of user T ' that deciphering obtains
xBiological characteristic value T with active user in the corresponding biometric templates storehouse that is kept at server
xMate, as any biological characteristic value T '
xBiological characteristic value T with active user in the biometric templates storehouse that is kept at server in advance
xWhen being complementary, think that then the user is legal, server end passes through the authentication to client, and preserves this one-time password P '
i, so far authentification of user is finished; If any biological characteristic value T '
xWith the user biological characteristic value T in the biometric templates storehouse that is kept at server in advance
xWhen all misfitting, then the user is illegal, the refusal logging request.
Second purpose of the present invention realizes: set user name ID in advance by the user in Verification System
A, secret pass phrases W, one-time password sequence iterative value N, registered user's biological characteristic value is provided simultaneously, it is characterized in that the biological characteristic value that the user provides in Verification System is at least two kinds of different biological characteristic values, the discrimination to variant biological characteristic in the system is set different weight Q respectively
xX wherein is a positive integer, its span is 1 number to used biological characteristic, the arithmetic mean of the weights that use biological characteristic simultaneously and the biological characteristic number of being gathered is as threshold value, the user name ID that the user is provided by client browser the user by server in the authentication process
AInquire about, find and user name ID
ACorresponding seed S, current iteration value N-i, be used to decipher the secret pass phrases P of each biological characteristic value when authenticated last time
I-1, and with the hashed value K of these three values with W
wEncrypt the back and send to client browser as response message, client is according to the hashed value K ' of the W of user's input
wDecrypt current iteration value N-i, seed S that server sends over and the one-time password P of authentication last time
I-1, calculate current one-time password P
i=H
N-i(W+S), and to P
iCarry out a Hash operation again and obtain P '
I-1=H (P
i), client is P ' relatively
I-1With P
I-1If unanimity then think that iterative value is errorless, client be by the checking to server, client collection simultaneously is similar with the biological characteristic that the user provides in advance respectively verifies user biological characteristic value T '
x, client is with the one-time password P of this authentication
iAs key to every kind of biological characteristic value of user T '
xEncrypt, enciphered message is sent to server, server by utilizing and client same procedure calculate the one-time password P ' of this authentication
i, use P '
iThe enciphered message that receives is decrypted every kind of biological characteristic value of user T ' that deciphering obtains
xWith the corresponding biological characteristic value T that is kept at active user in the server biometric templates storehouse
xMate, obtain the matching similarity r of every kind of biological characteristic
x, and the matching result of every kind of biological characteristic is carried out fusion treatment obtain comprehensive similarity R, relatively adjudicate by R and threshold value V at last, if R＞V thinks that then the user is legal, server end is by the authentication to client, and preserves this one-time password P '
i, so far authentification of user is finished; If R≤V, then the user is illegal, the refusal logging request.
The 3rd purpose of the present invention realizes: set user name ID in advance by the user in Verification System
A, secret pass phrases W, one-time password sequence iterative value N, registered user's biological characteristic value is provided simultaneously, it is characterized in that the biological characteristic value T ' that the user provides in Verification System
xBe at least two kinds of different biological characteristic values, the user name ID that the user is provided by client browser the user by server in the authentication process
AInquire about, find and user name ID
ACorresponding seed S, current iteration value N-i, be used to decipher the one-time password P of each biological characteristic value when authenticated last time
I-1, and with the hashed value K of these three values with W
wEncrypt the back and send to client browser as response message, client is according to the hashed value K ' of the W of user's input
wDecrypt current iteration value N-i, seed S that server sends over and the one-time password P of authentication last time
I-1, calculate current one-time password P
i=H
N-i(W+S), and to P
iCarry out a Hash operation again and obtain P '
I-1=H (P
i), client is P ' relatively
I-1With P
I-1If unanimity then think that iterative value is errorless, client be by the checking to server, client collection simultaneously is similar with the biological characteristic that the user provides in advance respectively verifies user biological characteristic value T '
x, client is with the one-time password P of this authentication
iAs key to every kind of biological characteristic value of user T '
xEncrypt, enciphered message is sent to server, server by utilizing and client same procedure calculate the one-time password P ' of this authentication
i, use P '
iThe enciphered message that receives is decrypted every kind of biological characteristic value of user T ' that deciphering obtains
xWith the corresponding biological characteristic value T that is kept at active user in the server biometric templates storehouse
xMate, if all T '
xAll with corresponding T
xBe complementary, think that then the user is legal, server end passes through the authentication to client, and preserves this one-time password P '
i, so far authentification of user is finished; If any T ' is arranged
xWith corresponding T
xBe not complementary, then the user is illegal, the refusal logging request.
From the above mentioned, in fact the present invention has adopted multi-biological characteristic identification, to solve the deficiencies in the prior art.
In fact multi-biological characteristic identification be exactly the multi-biological characteristic information fusion, and by the method for multi-biological characteristic information fusion, different authentication is the result complement one another, and can improve the accuracy of living creature characteristic recognition system.The multi-biological characteristic recognition technology makes the identity authorization system of design high-performance practicality become possibility.
The present invention is directed to the importance of secret pass phrases in the dynamic password S/Key system, and can't prevent leaks such as decimal attack, and single-factor biometrics identification technology existence leakage biological attribute data and the limited shortcoming of accuracy rate, a kind of identity identifying method that combines with multi-biological characteristic identification based on dynamic password is proposed.
In the method that the present invention proposes, one-time password mainly is the fail safe that utilizes one-way hash function, the characteristics that promptly calculating is easy to forward, backwards calculation but is difficult to, the secret pass phrases of seed and user input coupled together carry out repeatedly hash, the hash number of times is the iterations in the server acknowledge information, and iteration result is as user's one-time password.Each is that iterations is as uncertain factor with different numerical value; And the multi-biological characteristic in the identification is meant two or more biological characteristic is gathered, made up, pass through fusion treatment again, to improve identification, overcome in the prior art and can not pass through the deficiency of authentication because of the problem in a kind of biological characteristic value extraction causes system to the biological characteristic value.
Can also directly obtain another kind of method by above method of the present invention, i.e. the condition that is identification with multiple biological characteristic value, and then realization further improves the purpose of identification authentication security.
Advantage of the present invention has following several respects at least:
1, in the authentication method of the present invention, the authentication information that client passes to server is not single dynamic password or single biological information, but with each all at the dynamic password that changes to every kind of biological characteristic value encrypted ciphertext.It all is invalid that any playback or eavesdropping are attacked, and has effectively prevented the leakage problem of secret pass phrases and biological attribute data, has higher fail safe.
2, in the authentication method of the present invention, increased the authentication of client, realized the two-way authentication between the client and server, improved the fail safe of system server.
3, in the authentication method of the present invention, the matching result of multiple biological characteristic authentication is carried out certain fusion, further improved the accuracy of Verification System.
4, authentication method of the present invention has wide practical use, and can be applied in the industry that finance, public security etc. have higher requirements to the fail safe of own service.
Description of drawings
The identity authorization system flow chart that Fig. 1 dynamic password combines with multi-biological characteristic
The frame diagram that Fig. 2 multi-biological characteristic merges
Embodiment
Identity identifying method of the present invention may further comprise the steps:
(1) client user sends ID authentication request to server:
User identity ID
A
(2) server sends response message according to the user name that client sends to client:
Server sends hashed value K with secret pass phrases W to client
wIterative value N-i, the seed S that encrypts and be used to decipher the various biological characteristic values dynamic password P of (comprising fingerprint characteristic value, iris feature value, face characteristic value etc.) when authenticating last time
I-1
(3) client is with the hashed value K ' of the secret pass phrases W of user input
wDeciphering obtains the dynamic password P of current iteration value N-i, seed S, authentication last time
I-1Be calculated as follows:
P
i＝H
N-i(W+S)；
Client storage current password P
i, and to current password P
iCarry out Hash operation again one time, be calculated as follows:
P’
i-1＝H(P
i)；
Client is with P '
I-1Be used to decipher every kind of biological characteristic value dynamic password P of (comprising fingerprint characteristic value, iris feature value, face characteristic value etc.) when authenticating with last time
I-1Relatively, if unanimity as a result thinks that then iterative value is errorless, client is by the checking to server.If difference thinks that then iterative value is wrong as a result, authentication this time stops.
Client is extracted this user's associated biomolecule characteristic value T ' by various physical characteristics collecting instrument
x, these associated biomolecule features comprise: fingerprint characteristic value T
1', iris feature value T
2', face characteristic value T
3' etc., can choose as required.Use P
iAs encryption key to T '
x(x ∈ Z wherein
+) encrypt, encrypt as follows:
M
x＝E(T’
x，P
i)；
Then with ciphertext M
xSend to server as authentication information.
(4) server is according to this user's current iteration value N-i, seed S, secret pass phrases W, use with the client mutually
Calculate dynamic password P ' with hash function
i, be calculated as follows:
P’
i＝H
N-i(W+S)；
With dynamic password P '
iAs the ciphertext M of decruption key to receiving
xBe decrypted, decipher as follows:
T’
x＝D(M
x，P’
i)；
The every kind of biological characteristic value T ' that obtains after the deciphering
xBe kept at template characteristic value T in the biometric templates storehouse of server end with the active user respectively
x(comprise fingerprint characteristic value T
1, iris feature value T
2, face characteristic value T
3Deng) mate, obtain the matching result of every kind of biological characteristic.
Be identical in each step more than in three purpose implementation procedures of the present invention.
A. when adopting first purpose of the present invention, only need find the solution the various biological characteristic value T ' that obtain after close
xIn any can be kept at corresponding template characteristic value T in the biometric templates storehouse of server end with the active user
xCoupling can be by authentication.
B. when adopting second purpose of the present invention, need to consider earlier the every kind of biological characteristic value T ' that obtains after the deciphering
xBe kept at template characteristic value T in the biometric templates storehouse of server end with the active user respectively
x(comprise fingerprint characteristic value T
1, iris feature value T
2, face characteristic value T
3Deng) match condition, and then obtain the matching result of every kind of biological characteristic.This matching result can be used corresponding matching similarity r
xExpression.Server merges the matching result of every kind of biological characteristic and obtains comprehensive similarity R, is calculated as follows (Q wherein
xRepresenting the weights of every kind of biological characteristics such as fingerprint, iris, people's face respectively, is the constant between 0 to 1, is obtained by experiment; X ∈ Z
+):
R＝∑r
xQ
x/∑Q
x；
At last, R and threshold value V=∑ Q
x/ n (n is the biological characteristic number, is any positive integer in theory) relatively adjudicates, if R＞V thinks that then this user is legal, server is by the authentication to client, and preservation dynamic password P '
i, so far this authentification of user is finished.If R≤V, then this user is illegal, the refusal logging request.
C. similar to some extent with the situation of first purpose when adopting the 3rd purpose of the present invention, but require each biological characteristic value all to mate with the biological characteristic value of template stores, could pass through like this to authenticate.
Obviously, when adopting the 3rd purpose of the present invention, also can use and second technical measures that purpose is similar of the present invention, suitably reduce server and the matching result of every kind of biological characteristic is merged obtain comprehensive similarity R, suitably improve threshold value simultaneously, to improve the reliability of authentication.
On the other hand, in above-mentioned three purposes of the present invention realized, at every turn successfully after the login, iterative value was successively decreased, and when iterative value is kept to 0 or after secret pass phrases W divulges a secret, must reinitialize iterative value and revise secret pass phrases.
As seen from the above, the realization of three purposes of the present invention is to make corresponding authority restriction by software in system to finish the not special difficulty of its mutual realization.
Can be about concrete condition of the present invention referring to the content of accompanying drawing 1 to accompanying drawing 2.
The example that is applied as that realizes with the present invention's second purpose in the concrete information management system illustrates process of the present invention below:
1. authentication process:
(1) user inputs user name hualong06 by client browser, submits authentication request to server.
(2) server lookup database is found out seed S=z812h103wj corresponding with user name hualong06 and current iteration value N-i=10, finds out the dynamic password P that was used for decruption key when authenticating last time simultaneously
I-1,
P
i-1＝e172155aca3780552e49b34d0cef86a9
And with the hashed value K of these three values with secret pass phrases W
wEncrypt the back and send to client browser as response message.If the record corresponding then refuse this logging request not in the database with this user name.
(3) after client is received the response message of server transmission, prompting hualong06 imports secret pass phrases W=cominf505, gather the hand thumb fingerprint image of hualong06 simultaneously by fingerprint acquisition instrument, by iris camera collection iris of left eye image, by people's face camera collection facial image, the corresponding Fingerprint Processing Module of client call, iris processing module and people's face processing module extract fingerprint characteristic value T ' respectively
1, iris feature value T '
2With face characteristic value T '
3, and call corresponding computing module and do following computing:
Calculate the hashed value K ' of secret pass phrases W
w, and deciphering obtains S, N-i, P
I-1
Calculate the dynamic password of this authentication as encryption key:
P
i＝H
N-i(W+S)＝87f25293e1ab871e91d59049ec7fb40b
Calculate the dynamic password of authentication last time as decruption key:
P’
i-1＝H(P
i)＝e172155aca3780552e49b34d0cef86a9
Compare P
I-1With P '
I-1Value (, then stopping login this time) if inequality.Come to the same thing, use P
iEncrypt as every kind of biological characteristic value that secret key pair extracts:
M
x＝E(T
x，P
i)
With each enciphered message M
xSend to server as authentication information.
(4) after server is received the authentication information of client, do following computing:
P’
i＝H
N-i(W+S)＝87f25293e1ab871e91d59049ec7fb40b
Use P '
iBe decrypted as deciphering secret key pair enciphered message:
T’
x＝D(M
x，P’
i)
With each the biological characteristic value T ' that obtains after the deciphering
xCorresponding biological characteristic value T with this user who preserves in the server biometric templates storehouse
xMate, obtain the matching result of every kind of biological characteristic, matching result matching similarity r
xExpression, wherein fingerprint matching similarity are r
1, the iris matching similarity is r
2, people's face matching similarity is r
3
Server merges the matching result of every kind of biological characteristic and obtains comprehensive similarity R, is calculated as follows:
R＝∑r
xQ
x/∑Q
x；
Threshold value V=∑ Q
x/ n, n wherein are the number of used biological characteristic.R and V are relatively adjudicated, if R＞V thinks that then this user is legal, server end is by the authentication to client, and preservation dynamic password P '
iIf, R≤V, then this user is illegal, the refusal logging request.
Get Q in this example
1=60%, Q
2=80%, Q
3=40%, ∑ Q then
x=180%, n=3, V=60%.
If r1=92%, r2=98%, r3=81%, R=92.2% then, R＞V, this user is legal;
If r1=92%, r2=98%, r3=10%, R=76.4% then, R＞V, this user is legal;
If r1=60%, r2=80%, r3=50%, R=66.7% then, R＞V, this user is legal;
If r1=40%, r2=50%, r3=30%, R=40.0% then, R＜V, this user is illegal, the refusal login.
Need the practical application of the present invention of explanation to be not limited to the above embodiment that provides, employed biological characteristic can be the combination of two or more biological characteristic arbitrarily such as fingerprint, iris, people's face, palmmprint, retina, people's ear, cheilogramma, voice, person's handwriting, gait, gesture.
Claims (3)
1, a kind of dynamic password is discerned the identity identifying method that combines with multi-biological characteristic, sets user name ID in advance by the user in Verification System
A, secret pass phrases W, one-time password sequence iterative value N, registered user's biological characteristic value is provided simultaneously, it is characterized in that the biological characteristic value T ' that the user provides in Verification System
xBe at least two kinds of different biological characteristic values, the user name ID that the user is provided by client browser the user by server in the authentication process
AInquire about, find and user name ID
ACorresponding seed S, current iteration value N-i, be used to decipher the one-time password P of each biological characteristic value when authenticated last time
I-1, and with the hashed value K of these three values with W
wEncrypt the back and send to client browser as response message, client is according to the hashed value K ' of the W of user's input
wDecrypt current iteration value N-i, seed S that server sends over and the one-time password P of authentication last time
I-1, calculate current one-time password P
i=H
N-1(W+S), and to P
iCarry out a Hash operation again and obtain P '
I-1=H (P
i), client is P ' relatively
I-1With P
I-1If unanimity then think that iterative value is errorless, client be by the checking to server, the similar user biological characteristic value T ' of biological characteristic that client collection simultaneously and user provide in advance
x, client is with the one-time password P of this authentication
iAs key to every kind of biological characteristic value of user T '
xEncrypt, enciphered message is sent to server.Server by utilizing and client same procedure calculate the one-time password P ' of this authentication
i, use P '
iThe enciphered message that receives is decrypted every kind of biological characteristic value of user T ' that deciphering obtains
xBiological characteristic value T with active user in the corresponding biometric templates storehouse that is kept at server
xMate, as any biological characteristic value T '
xBiological characteristic value T with active user in the biometric templates storehouse that is kept at server in advance
xDuring coupling, think that then the user is legal, server end passes through the authentication to client, and preserves this one-time password P '
i, so far authentification of user is finished; If any biological characteristic value T '
xWith the user biological characteristic value T in the biometric templates storehouse that is kept at server in advance
xWhen all misfitting, then the user is illegal, the refusal logging request.
2, a kind of dynamic password is discerned the identity identifying method that combines with multi-biological characteristic, sets user name ID in advance by the user in Verification System
A, secret pass phrases W, one-time password sequence iterative value N, registered user's biological characteristic value is provided simultaneously, it is characterized in that the biological characteristic value that the user provides in Verification System is at least two kinds of different biological characteristic values, the discrimination to variant biological characteristic in the system is set different weight Q respectively
xX wherein is a positive integer, its span is 1 number to used biological characteristic, the arithmetic mean of the weights that use biological characteristic simultaneously and the biological characteristic number of being gathered is as threshold value, the user name ID that the user is provided by client browser the user by server in the authentication process
AInquire about, find and user name ID
ACorresponding seed S, current iteration value N-i, be used to decipher the secret pass phrases P of each biological characteristic value when authenticated last time
I-1, and with the hashed value K of these three values with W
wEncrypt the back and send to client browser as response message, client is according to the hashed value K ' of the W of user's input
wDecrypt current iteration value N-i, seed S that server sends over and the one-time password P of authentication last time
I-1, calculate current one-time password P
i=H
N-i(W+S), and to P
iCarry out a Hash operation again and obtain P '
I-1=H (P
i), client is P ' relatively
I-1With P
I-1If unanimity then think that iterative value is errorless, client be by the checking to server, client collection simultaneously is similar with the biological characteristic that the user provides in advance respectively verifies user biological characteristic value T '
x, client is with the one-time password P of this authentication
iAs key to every kind of biological characteristic value of user T '
xEncrypt, enciphered message is sent to server, server by utilizing and client same procedure calculate the one-time password P ' of this authentication
i, use P '
iThe enciphered message that receives is decrypted every kind of biological characteristic value of user T ' that deciphering obtains
xWith the corresponding biological characteristic value T that is kept at active user in the server biometric templates storehouse
xMate, obtain the matching similarity r of every kind of biological characteristic
x, and the matching result of every kind of biological characteristic is carried out fusion treatment obtain comprehensive similarity R, relatively adjudicate by R and threshold value V at last, if R＞V thinks that then the user is legal, server end is by the authentication to client, and preserves this one-time password P '
i, so far authentification of user is finished; If R≤V, then the user is illegal, the refusal logging request.
3, a kind of dynamic password is discerned the identity identifying method that combines with multi-biological characteristic, sets user name ID in advance by the user in Verification System
A, secret pass phrases W, one-time password sequence iterative value N, registered user's biological characteristic value is provided simultaneously, it is characterized in that the biological characteristic value that the user provides is at least two kinds of different biological characteristic values, the user name ID that the user is provided by client browser the user by server in the authentication process in Verification System
AInquire about, find and user name ID
ACorresponding seed S, current iteration value N-i, be used to decipher the one-time password P of each biological characteristic value when authenticated last time
I-1, and with the hashed value K of these three values with W
wEncrypt the back and send to client browser as response message, client is according to the hashed value K ' of the W of user's input
wDecrypt current iteration value N-i, seed S that server sends over and the one-time password P of authentication last time
I-1, calculate current one-time password P
i=H
N-i(W+S), and to P
iCarry out a Hash operation again and obtain P '
I-1=H (P
i), client is P ' relatively
I-1With P
I-1If unanimity then think that iterative value is errorless, client be by the checking to server, client collection simultaneously is similar with the biological characteristic that the user provides in advance respectively verifies user biological characteristic value T '
x, client is with the one-time password P of this authentication
iAs key to every kind of biological characteristic value of user T '
xEncrypt, enciphered message is sent to server, server by utilizing and client same procedure calculate the one-time password P ' of this authentication
i, use P '
iThe enciphered message that receives is decrypted every kind of biological characteristic value of user T ' that deciphering obtains
xWith the corresponding biological characteristic value T that is kept at active user in the server biometric templates storehouse
xMate, if all T '
xAll with corresponding T
xBe complementary, think that then the user is legal, server end passes through the authentication to client, and preserves this one-time password P '
i, so far authentification of user is finished; If any T ' is arranged
xWith corresponding T
xBe not complementary, then the user is illegal, the refusal logging request.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2007101374295A CN101098232B (en) | 2007-07-12 | 2007-07-12 | Dynamic password and multiple biological characteristics combined identification authenticating method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2007101374295A CN101098232B (en) | 2007-07-12 | 2007-07-12 | Dynamic password and multiple biological characteristics combined identification authenticating method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101098232A true CN101098232A (en) | 2008-01-02 |
| CN101098232B CN101098232B (en) | 2012-05-09 |
Family
ID=39011774
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2007101374295A Expired - Fee Related CN101098232B (en) | 2007-07-12 | 2007-07-12 | Dynamic password and multiple biological characteristics combined identification authenticating method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101098232B (en) |
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| CN114338146A (en) * | 2021-12-27 | 2022-04-12 | 中国民航信息网络股份有限公司 | Dynamic code-based crawler-resistant method, system, client and server |
| CN114338146B (en) * | 2021-12-27 | 2023-08-15 | 中国民航信息网络股份有限公司 | Anti-crawler method, system, client and server based on dynamic code |
| CN114915486A (en) * | 2022-06-02 | 2022-08-16 | 北京天融信网络安全技术有限公司 | Identity authentication method, device, system, electronic equipment and medium |
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