CN103152172B - Method and client side and server and system for mobile token dynamic password generation - Google Patents
Method and client side and server and system for mobile token dynamic password generation Download PDFInfo
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- CN103152172B CN103152172B CN201110402615.3A CN201110402615A CN103152172B CN 103152172 B CN103152172 B CN 103152172B CN 201110402615 A CN201110402615 A CN 201110402615A CN 103152172 B CN103152172 B CN 103152172B
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Abstract
The invention provides a method, a client side, a server and a system for mobile token dynamic password generation. A random code and an information code are generated when a dynamic password client side is initialized, according to the random code, the immediately produced information code and a current time parameter are combined, a dynamic password is generated according to a dynamic password algorithm and is uploaded to a dynamic password server; the dynamic password server reads the random code and the information code stored under the dynamic password client side in the server when the dynamic password server verifies the dynamic password generated by the dynamic password client side every time, and according to a current time value, a dynamic password algorithm, the same as that of the dynamic password client side, is adopted to calculate a dynamic password verification code in preset time; and when the dynamic password is the same as any one dynamic password verification code calculated in the preset time, verification is passed. Therefore, the purpose of safe application of the mobile token dynamic password system is realized.
Description
Technical field
The invention belongs to internet information security fields, particularly dynamic password and identity identifying technology.
Background technology
Dynamic password (Dynamic Password) is also referred to as one-time password (One-timePassword), be it is a kind of at any time
Between or event change and the effective in a certain time interval and uncertain password that produces, can typically pass through dynamic password
Generation carrier show, such as scratch card, handset token etc..
In today of Internet high speed developments, dynamic-password technique has been widely used for net with reference to identity identifying technology
The business such as upper shopping, electronic transaction, online stock trading, provide the user safety identification authentication function.For example, in Web bank's environment
In, when Web bank's transaction system is logged in, bank system of web may require that the dynamic that user input dynamic password carrier is generated
Password, is then communicated to verifying dynamic password server and is verified.As each password for generating is change at random, each
Password is used only once, and thoroughly prevents the attack patterns such as various eavesdroppings, playback, personation, conjecture.And user also eliminates note
Recall the worries of various passwords.
But, with the development of mobile Internet, mobile phone viruses are also increasing.For handset token dynamic password system
System, its seed information are typically stored in certain file of mobile phone EMS memory, accordingly, there exist and easily stolen simultaneously by mobile phone viruses
Travel to the possibility on other mobile phones.So, other cellphone subscribers can just utilize the seed information and dynamic password client
End Software Create dynamic password, personation validated user carry out authentication, bring one to the application of handset token dynamic password
Fixed potential safety hazard.
The content of the invention
In view of more than, the present invention proposes a kind of handset token dynamic password generation method, client, server and is
System.
A kind of dynamic password client for generating handset token proposed by the present invention, including：
Random code unit, for generating and preserving random code；
Information code unit, for generating information code according to mobile phone terminal self-information；
Dynamic password signal generating unit, for according to random code, information code and current time parameter, being given birth to by dynamic password
Into algorithm in-time generatin dynamic password；
Transmitting element, for uploading to dynamic password server by random code, information code and dynamic password.
Further, the dynamic password client for generating handset token, wherein：
Described information code unit divides including IMEI, cell phone manufacturer's identification code, mobile phone screen according to mobile phone terminal self-information
Resolution and mobile phone operating system version number produce information code.
Further, the dynamic password client for generating handset token, wherein：
Described information code unit calculates IMEI, cell phone manufacturer's identification code, mobile phone resolution and mobile phone operating system version
Number connection gained character string cryptographic Hash, cryptographic Hash is converted into into the integer of 6 significant digits, the integer is converted into into 32 and is entered
Tabulation is shown, you can obtain the information code that length is 4 character strings.
Further, the dynamic password client for generating handset token, wherein：
The dynamic password signal generating unit generates dynamic password and uses HMAC-SHA1 algorithms, calculates hash=HMAC-SHA1
(key, data), wherein：Key=sha1 (random code+information code), data=fun1 (random code+information code, time parameter).
A kind of mobile phone terminal proposed by the present invention, is provided with any of the above-described dynamic password client for generating handset token
End.
A kind of dynamic password server of checking handset token proposed by the present invention, including：
Receiving unit, for receiving and preserving dynamic password client upload, information code and dynamic password；
Identifying code signal generating unit, for according to random code, information code and current time parameter, by objective with dynamic password
Family end identical dynamic password generating algorithm generates identifying code；
Whether comparing unit, the dynamic password for comparing dynamic password client upload are consistent with the identifying code for generating, if
Unanimously, then it is verified.
A kind of system for generating handset token dynamic password proposed by the present invention, including：Mobile phone terminal described above and
Dynamic password server described above.
A kind of method of checking handset token dynamic password proposed by the present invention, including：
Random code and information code is generated during dynamic password client initialization, is sent it to dynamic password server and is protected
Deposit；
Dynamic password client reading and saving is in the local random code of mobile phone, and combines the information code for producing immediately and work as
Front time parameter, generates dynamic password according to dynamic password algorithm, uploads to dynamic password server；
When dynamic password server verifies the dynamic password that dynamic password client is generated every time, reading and saving is in server
Interior dynamic password client random code under one's name and information code, according to current time value, using and dynamic password client
Identical dynamic password algorithm calculates the verifying dynamic password code in setting time；
Judge whether arbitrary verifying dynamic password code of calculating in the dynamic password and the setting time that are input into is identical, if
It is identical, it is considered to have passed through checking, it is otherwise not verified.
Further, the method for the checking handset token dynamic password, generates information code, comprises the following steps：
Calculate IMEI, cell phone manufacturer's identification code, mobile phone resolution and mobile phone operating system version number connection gained character
Cryptographic Hash is converted into the integer of 6 significant digits by the cryptographic Hash of string, the integer is converted into 32 systems and is represented, you can
Length is the information code of 4 character strings.
Further, the method for the checking handset token dynamic password, reading and saving is in the local random code of mobile phone, and ties
The information code and current time parameter for producing immediately is closed, dynamic password is generated according to dynamic password algorithm, is comprised the following steps：
Generate dynamic password and use HMAC-SHA1 algorithms, calculate hash=HMAC-SHA1 (key, data), wherein：key
=sha1 (random code+information code), data=fun1 (random code+information code, time parameter).
The present invention is generated and guard method by designing a kind of safe seed in handset token dynamic password system, i.e.,
The key information preserved on mobile phone leakage and AES is made to be disclosed and crack, appropriator cannot also generate corresponding dynamic mouth
Order, so that reach the purpose of handset token dynamic password system safety applications.
The present invention is used for the various applications for needing safety service certification.
Description of the drawings
Fig. 1 show a kind of handset token dynamic password of the present invention and generates system.
Fig. 2 show the structural representation of dynamic password client in the present invention.
Fig. 3 verifies the schematic diagram of the dynamic password server of handset token in showing the present invention.
Fig. 4 show a kind of handset token dynamic password generation method of the present invention.
Fig. 5 is dynamic password client initialization flow process in handset token dynamic password generation method of the present invention.
Fig. 6 is the flow chart of one embodiment of handset token dynamic password using method of the present invention.
Specific embodiment
As shown in figure 1, the present invention proposes a kind of handset token dynamic password generates system, including dynamic password client
End, Short Message Service Gateway and dynamic password server, the system can also include third-party application system etc., and third-party application system is
Finger realizes the application system of safety service certification, such as Web bank, online game etc. using dynamic password.
Dynamic password client is used for generating dynamic password seed information, and seed information includes random code and information code, with
And adopt dynamic password generating algorithm in-time generatin dynamic password and show, and dynamic password seed information is uploaded to into dynamic mouth
Make server.
Dynamic password server for carried out using dynamic password safety service certification application management, using and dynamic mouth
Client identical algorithm is made to carry out the functions such as verifying dynamic password.
Wherein, the information exchange between dynamic password client and dynamic password server is realized by short message mode,
Note forwarding is carried out between dynamic password client and dynamic password server by Short Message Service Gateway.
As shown in Fig. 2 for the structural representation of dynamic password client in the present invention.The client is arranged on mobile phone end
In end.
Random code unit, for generating and preserving random code；
Information code unit, for generating information code according to mobile phone terminal self-information；
Dynamic password signal generating unit, for according to random code, information code and current time parameter, being given birth to by dynamic password
Into algorithm in-time generatin dynamic password；
Transmitting element, for uploading to dynamic password server by random code, information code and dynamic password.
As shown in figure 3, the structural representation of the dynamic password server for verifying handset token in the present invention.
Receiving unit, for receiving and preserving dynamic password client upload, information code and dynamic password；
Identifying code signal generating unit, for according to random code, information code and current time parameter, by objective with dynamic password
Family end identical dynamic password generating algorithm generates identifying code；
Whether comparing unit, the dynamic password for comparing dynamic password client upload are consistent with the identifying code for generating, if
Unanimously, then it is verified.
As shown in figure 4, being a kind of handset token dynamic password generation method proposed by the present invention, comprise the following steps：
Produce in step 401, dynamic password client initialization and generate dynamic password seed information, seed information includes
Random code and information code, random code are randomly generated in initialization by dynamic password client, and ensure not repeat.Information code root
Produce according to the software and hardware information of mobile phone itself, for example, according to IMEI, cell phone manufacturer's identification code, mobile phone screen resolution and handss
Machine operating system version number is produced, and described information code can be 4 characters.
In one embodiment of the invention, the generating algorithm of information code is：Calculate IMEI, cell phone manufacturer's identification code, handss
The cryptographic Hash of the information such as machine resolution and mobile phone operating system version number connection gained character string, is converted into 6 the cryptographic Hash
The integer of individual significant digits, is then converted into 32 systems the integer again and represents, you can obtain the information of the character string that length is 4
Code.
In step 402, after dynamic password client produces random code, random code information is stored in into certain local of mobile phone
In file, the random code can be readable not writeable attribute.
In step 403, after dynamic password client produces information code, by short message mode by information code and random code together
It is sent to dynamic password server.Dynamic password client does not preserve information code.In the present invention, dynamic password client will be raw
Seed information into dynamic password is divided into random code and information code two parts, is capable of achieving dynamic password client body by information code
The unique mark of part.Only random code is stored in dynamic password client local folders, and random code and information code are sent out
Deliver to dynamic password server to be preserved.
In step 404, after dynamic password server receives random code and information code, random code and information code are stored in
Corresponding dynamic password client is under one's name.
In step 405, dynamic password client generates dynamic password every time as needed.Dynamic password client reads protects
There is the local random code of mobile phone, and combine the information code and current time parameter for producing immediately, according to dynamic password algorithm
Generate dynamic password and show.
The example for generating dynamic password can be as follows：
The generation of dynamic password uses HMAC-SHA1 algorithms.
Hash=HMAC-SHA1 (key, data) is calculated, wherein：
Key=sha1 (random code+information code)
Data=fun1 (random code+information code, time parameter)
Character string conversion is encoded using UTF8.Time parameter is the string representation of current time, is accurate to minute, its lattice
Formula is：yyyyMMddHHmm+sec.If second value (second) of current time is 0 ＜=second ＜=29, sec is
1, otherwise sec are 2.Such as current time is 10 minutes and 12 seconds 8 points of on May 25th, 2010, then time parameter is
2010052508101。
Generate 8 digital dynamic passwords：
Offset=Low4Bit (hash [17])；// low 4 of hash [17] are taken as side-play amount
Hash [offset]=fun2 (offset) // side-play amount place first byte extreme higher position 0
The integer of the continuous 4 bytes composition for taking digit for starting from offset in hash arrays,
Dynamic password=digit%100000000；// take 100,000,000 moulds obtain 8 it is digital
In step 406, when dynamic password server verifies the dynamic password that dynamic password client is generated every time, read and protect
The dynamic password client in presence server random code under one's name and information code, according to current time value, using and dynamic
Password client identical dynamic password algorithm calculates the verifying dynamic password code in setting time.If the dynamic of user input
Arbitrary verifying dynamic password code-phase of calculating in password and server settings time etc., then it is assumed that be to have passed through checking, otherwise
It is not verified.In setting time e.g. current time value is positive and negative 2 minutes.As long as a dynamic password has passed through checking, then
The dynamic password cannot repeated authentication in the setting time.
Even if the seed information leakage preserved on mobile phone of the invention and the algorithm for generating dynamic password are disclosed and crack, usurp
Person cannot also generate corresponding dynamic password, so as to reach the purpose of handset token dynamic password system safety applications.
Below in conjunction with the accompanying drawing in the embodiment of the present invention, technical scheme is clearly and completely described,
Obviously, described embodiment is only a part of embodiment of the invention, rather than the embodiment of whole.
Fig. 5 is dynamic password client initialization flow process in handset token dynamic password generation method of the present invention.
The embodiment is comprised the following steps：
Dynamic password client software is installed to into mobile phone, client presets dynamic password generating algorithm K1.Start dynamic
State password server normal work, is configured with and dynamic password client identical dynamic password generating algorithm K1.
Dynamic password client initialization, produces random code Code1 needed for dynamic password seed, and is stored in local text
In part folder, the IMEI produced needed for information code, cell phone manufacturer's identification code, mobile phone screen resolution and mobile phone operating system is obtained
Version number information, and produce information code Code2.Dynamic password client sends random code Code1 and information code with short message mode
Code2 gives dynamic password server.Dynamic is sent to after the short message conversion that dynamic password client is sent by Short Message Service Gateway
Password server.
Dynamic password server receives random code Code1 and information code Code2 that client is sended over, and they are protected
Exist local.Dynamic password server sends dynamic password seed confirmation of synchronization information and gives dynamic password client.Short Message Service Gateway
Forwarding dynamic password seed confirmation of synchronization note gives dynamic password client.
Dynamic password client arranges initialization flag position, terminates initial work.
Fig. 6 is the flow chart of one embodiment of handset token dynamic password using method of the present invention, with 189 postals
As a example by case dynamic password application.The embodiment includes below scheme：
189 mailbox system of User logs in, application binding dynamic password application service.189 mailbox systems will apply for binding
User account information is synchronized to dynamic password server.Dynamic password server authentication user's binding information, set up user, 189
Binding relationship between Email Accounts and 189 mailbox dynamic password applications, sends the information for confirming binding to 189 mailbox systems.
189 mailbox systems preserve the binding relationship of 189 Email Accounts of user and 189 mailbox dynamic password application services, send to user
The successful information of binding dynamic password application service.
User uses 189 mailbox services, into safety service certification page.189 mailbox systems prompting user input dynamic
Password.User starts the dynamic password client software on mobile phone, and dynamic password client has completed initialization before this.User
Click on the function items of triggering generation dynamic password in client.Dynamic password client reads IMEI, cell phone manufacturer's identification code, handss
The software and hardware information such as machine screen resolution and mobile phone operating system version number, produces the information code generated needed for dynamic password.
Dynamic password client reading and saving is in local random code, and is generated according to random code, information code and current time parameter dynamic
State password, is displayed on mobile phone screen.
User is input into the dynamic password that client is generated in 189 E mail safety certification pages, and submits to.189 mailbox systems
Dynamic password server is given by 189 Email Accounts of user and dynamic password synchronizing information.Dynamic password server is according to being stored in
The random code of local dynamic password client, information code and current time parameter, generation verifying dynamic password code, and with
The dynamic password that 189 mailbox systems are submitted to is compared.Jing compares, and identifying code is consistent with dynamic password, dynamic password server
Return to 189 mailbox systems and be verified information.
189 mailbox systems prompting user safety authentication passes through.189 mailbox services are used normally.
Claims (9)
1. it is a kind of generate handset token dynamic password client, including：
Random code unit, for generating and preserving random code, random code information is stored in the local file of mobile phone；
Information code unit, for generating information code according to mobile phone terminal self-information, does not preserve described information code, wherein mobile phone end
End self-information includes IMEI, cell phone manufacturer's identification code, mobile phone screen resolution and mobile phone operating system version number；
Dynamic password signal generating unit, for according to being stored in the local random code of mobile phone, the information code for immediately producing and current
Time parameter, by dynamic password generating algorithm in-time generatin dynamic password；
Transmitting element, for random code, information code and dynamic password are uploaded to dynamic password server, so as to dynamic password
Server receives and preserves the random code of dynamic password client upload, information code and dynamic password, by random code and information
Code is stored in corresponding dynamic password client under one's name, according to random code, information code and current time parameter, by with dynamic mouth
Make client identical dynamic password generating algorithm calculate the multiple verifying dynamic password codes in setting time, and judge what is be input into
Whether dynamic password is identical with the arbitrary verifying dynamic password code in multiple verifying dynamic password codes of calculating in setting time, such as
It is really identical, it is considered to have passed through checking, it is otherwise not verified.
2. the dynamic password client of handset token is generated according to claim 1, wherein：
Described information code unit calculates IMEI, cell phone manufacturer's identification code, mobile phone resolution and mobile phone operating system version number and connects
The cryptographic Hash of gained character string is connect, cryptographic Hash is converted into into the integer of 6 significant digits, the integer is converted into into 32 and enters tabulation
Show, you can obtain the information code of the string that length is 4 characters.
3. it is according to claim 1 or claim 2 generate handset token dynamic password client, wherein：
The dynamic password signal generating unit generates dynamic password and uses HMAC-SHA1 algorithms, calculates hash=HMAC-SHA1
(key, data), wherein：Key=sha1 (random code+information code), data=fun1 (random code+information code, time parameter).
4. a kind of mobile phone terminal, installs arbitrary dynamic password client for generating handset token just like in claims 1 to 3
End.
5. it is a kind of checking handset token dynamic password server, including：
Receiving unit, for receiving and preserving random code, information code and the dynamic password of dynamic password client upload, will be with
Machine code and information code are stored in corresponding dynamic password client under one's name, and wherein dynamic password client is believed according to mobile phone terminal itself
Breath generates information code, and dynamic password client does not preserve described information code, and mobile phone terminal self-information includes IMEI, cell phone manufacturer
Identification code, mobile phone screen resolution and mobile phone operating system version number；
Identifying code signal generating unit, for according to random code, information code and current time parameter, by with dynamic password client
Identical dynamic password generating algorithm calculates the multiple verifying dynamic password codes in setting time；
Comparing unit, appointing in the multiple verifying dynamic password codes calculated in the dynamic password and setting time for judgement input
Whether one verifying dynamic password code is identical, is if the same considered to have passed through checking, otherwise not verified.
6. it is a kind of generate handset token dynamic password system, including：As claimed in claim 4 mobile phone terminal and as right will
Seek dynamic password server described in 5.
7. it is a kind of checking handset token dynamic password method, including：
Random code and information code is generated during dynamic password client initialization, is sent it to dynamic password server and is preserved,
Wherein dynamic password client generates information code according to mobile phone terminal self-information, and dynamic password client does not preserve described information
Code, mobile phone terminal self-information include IMEI, cell phone manufacturer's identification code, mobile phone screen resolution and mobile phone operating system version
Number；
Dynamic password client reading and saving in the local random code of mobile phone, and combine the information code for immediately producing and it is current when
Between parameter, according to dynamic password algorithm generate dynamic password, upload to dynamic password server, the random code information is stored in
In the local file of mobile phone, described information code is not preserved；
When dynamic password server verifies the dynamic password that dynamic password client is generated every time, reading and saving is in server
Dynamic password client random code under one's name and information code, according to current time value, using identical with dynamic password client
Dynamic password algorithm calculate setting time in multiple verifying dynamic password codes；
During dynamic password server judges the dynamic password of input and multiple verifying dynamic password codes of calculating in setting time
Whether arbitrary verifying dynamic password code is identical, is if the same considered to have passed through checking, otherwise not verified.
8. the method for verifying handset token dynamic password according to claim 7, generates information code, comprises the following steps：
Calculate IMEI, cell phone manufacturer's identification code, mobile phone resolution and mobile phone operating system version number connection gained character string
Cryptographic Hash is converted into the integer of 6 significant digits by cryptographic Hash, the integer is converted into 32 systems and is represented, you can obtain length
For the information code of the string of 4 characters.
9. the method for verifying handset token dynamic password according to claim 7 or 8, reading and saving is in local random of mobile phone
Code, and combine the information code and current time parameter for immediately producing, generates dynamic password according to dynamic password algorithm, including with
Lower step：
Generate dynamic password and use HMAC-SHA1 algorithms, calculate hash=HMAC-SHA1 (key, data), wherein：Key=
Sha1 (random code+information code), data=fun1 (random code+information code, time parameter).
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| CN1547403A (en) * | 2003-12-12 | 2004-11-17 | ���пƼ���ѧ | A handset used for dynamic identity authentication |
| CN1731723A (en) * | 2005-08-19 | 2006-02-08 | 上海林果科技有限公司 | Electron/handset token dynamic password identification system |
| CN101277182A (en) * | 2008-03-14 | 2008-10-01 | 北京信联恒业通讯技术有限公司 | Method for acquiring dynamic password based on public key architecture-user personal identification card |
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