CN102739403A - Identity authentication method and device for dynamic token - Google Patents
Identity authentication method and device for dynamic token Download PDFInfo
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- CN102739403A CN102739403A CN2012102031325A CN201210203132A CN102739403A CN 102739403 A CN102739403 A CN 102739403A CN 2012102031325 A CN2012102031325 A CN 2012102031325A CN 201210203132 A CN201210203132 A CN 201210203132A CN 102739403 A CN102739403 A CN 102739403A
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Abstract
The invention discloses an identity authentication method for a dynamic token, which comprises following steps that the setting of a public-private key pair is accepted by the dynamic token, and a dynamic token server is enabled to be provided with a public key of the dynamic token; a dynamic password is generated by the dynamic token and is encrypted by utilizing a private key in the public-private key pair, so as to obtain a cipher text of the dynamic password; and the cipher text of the dynamic password is output according to a preset dynamic token output rule so as to be authenticated by the server. The invention additionally discloses an identity authentication device of the dynamic token. The identity authentication method for the dynamic token, which is disclosed by the invention, has the advantages that through presetting an asymmetric algorithm and the public-private key pair in the dynamic token and enabling the authentication server of the dynamic token to be provided with the public key, the dynamic password generated by the dynamic token can be asymmetrically encrypted to be authenticated by the dynamic token server; and since the private key preset in the dynamic token cannot be sent out of the dynamic token and cannot be violently obtained through an illegal means, the safety of the dynamic password can be greatly improved.
Description
Technical field
The present invention relates to the network security technology field, relate in particular to a kind of identity identifying method and device of dynamic token.
Background technology
Dynamic password is the combination of a uncertain random digit generating according to special algorithm, and a dynamic password can only use once in preset time, and above this preset time, this dynamic password promptly lost efficacy.Dynamic password can be confirmed user's legal identity, thereby on the basis that the user logins with legal identity, ensures the fail safe of customer service visit.The dynamic password authentication technology is considered to can the most effectively solve one of mode of authenticating user identification at present, thereby the dynamic password authentication technology is widely used in the various information system scenes such as bank, security, third party's payment, large enterprises inside.
Dynamic token is that dynamic token of the prior art adopts the symmetric key system mostly with the terminal that generates dynamic password, and the key of this key code system encryption and decryption is identical; Therefore, the fail safe of this dynamic token key that places one's entire reliance upon just means that anyone can both carry out encryption and decryption to user profile in case key is revealed; And in the time of in the process that key is write dynamic token and authenticating device thereof, when still issuing when no matter this process occurs in the production of dynamic token and authenticating device thereof, all possibly cause the leakage of key; And using this key to carry out in the process of authentication, its authentication information also possibly intercepted and captured or Brute Force by illegal, thereby causes the leakage of key; So the identity identifying method that this dependence symmetric key system of prior art carried out dynamic token exists great potential safety hazard.
Summary of the invention
Main purpose of the present invention provides a kind of identity identifying method and device of dynamic token, and the dynamic token key that is intended to solve because of using the symmetric key system to carry out authentication is revealed the safety problem that causes, and improves the fail safe of authentication.
The invention discloses a kind of identity identifying method of dynamic token, may further comprise the steps:
Dynamic token is accepted the public private key pair setting, and makes the dynamic token server have the dynamic token PKI;
Said dynamic token generates dynamic password, utilizes the private key in the said public private key pair that said dynamic password is encrypted, and obtains the dynamic password ciphertext;
According to the dynamic token output rule that presets, export said dynamic password ciphertext, supply said dynamic token server authentication.
Preferably, said dynamic token is accepted the public private key pair setting, and the step that makes the dynamic token server have the dynamic token PKI also comprises step before:
Preset said asymmetric arithmetic.
Preferably, the dynamic token output rule that said basis presets is exported said dynamic password ciphertext, supplies the step of said dynamic token server authentication also to comprise step before:
Preset said dynamic token output rule.
Preferably, the mode of said generation dynamic password comprises: time synchronizing method, event synchronization mode or challenge/response mode.
Preferably, said dynamic token output rule comprises: the fixedly information output of figure place of intercepting from said dynamic password ciphertext; Perhaps said dynamic password ciphertext is all exported.
The present invention also discloses a kind of identification authentication system of dynamic token, comprising:
Key is used to accept the public private key pair setting to acquisition module, and makes the dynamic token server have the dynamic token PKI;
The dynamic password generation module is used to generate dynamic password, utilizes the private key in the said public private key pair that said dynamic password is encrypted, and obtains the dynamic password ciphertext;
Message output module is used for exporting said dynamic password ciphertext according to the dynamic token output rule that presets, and supplies said dynamic token server authentication.
Preferably, the identification authentication system of said dynamic token also comprises:
The asymmetric arithmetic setting module is used to preset said asymmetric arithmetic.
Preferably, the identification authentication system of said dynamic token also comprises:
Export regular setting module, be used to preset said dynamic token output rule.
Preferably, the mode of said generation dynamic password comprises: time synchronizing method, event synchronization mode or challenge/response mode.
Preferably, said dynamic token output rule comprises: the fixedly information output of figure place of intercepting from said dynamic password ciphertext; Perhaps said dynamic password ciphertext is all exported.
The identity identifying method of dynamic token of the present invention is through presetting asymmetric arithmetic and public private key pair in dynamic token; And make its authentication server have its PKI; Can carry out asymmetric encryption to the dynamic password that dynamic token generates, supply the dynamic token server authentication, adopt the prior art dynamic token of symmetric key system; Can not spread out of dynamic token and can't obtain yet because of being preset at private key in the dynamic token, can greatly improve the fail safe of dynamic password through the illegal means violence.
Description of drawings
Fig. 1 is the identity identifying method first embodiment schematic flow sheet of dynamic token of the present invention;
Fig. 2 is the identity identifying method second embodiment schematic flow sheet of dynamic token of the present invention;
Fig. 3 is identity identifying method the 3rd embodiment schematic flow sheet of dynamic token of the present invention;
Fig. 4 is the identification authentication system first example structure sketch map of dynamic token of the present invention;
Fig. 5 is the identification authentication system second example structure sketch map of dynamic token of the present invention;
Fig. 6 is identification authentication system the 3rd example structure sketch map of dynamic token of the present invention.
The realization of the object of the invention, functional characteristics and advantage will combine embodiment, further specify with reference to accompanying drawing.
Embodiment
Further specify technical scheme of the present invention below in conjunction with Figure of description and specific embodiment.Should be appreciated that specific embodiment described herein only in order to explanation the present invention, and be not used in qualification the present invention.
With reference to Fig. 1, Fig. 1 is the identity identifying method first embodiment schematic flow sheet of dynamic token of the present invention; As shown in Figure 1, the identity identifying method of dynamic token of the present invention may further comprise the steps:
Step S01, dynamic token are accepted the public private key pair setting, and make the dynamic token server have the dynamic token PKI;
In a preferred embodiment, dynamic token presets asymmetric arithmetic and public private key pair, and PKI is preset in the dynamic token server; Asymmetric in the said asymmetric key algorithm is meant that the encryption key of an AES and decruption key are different, can not go out another key by one of them key derivation in other words.Said key is to comprising PKI and private key.
Step S02, said dynamic token generate dynamic password, utilize the private key in the said public private key pair that said dynamic password is encrypted, and obtain the dynamic password ciphertext;
Dynamic token generates dynamic password, and particularly, in a preferred embodiment, said dynamic token can generate dynamic password according to the mode of time synchronized; Perhaps the mode according to event synchronization generates dynamic password; Perhaps generate dynamic password according to the mode of challenging/replying; Dynamic token is based on the above-mentioned asymmetric arithmetic that presets, and the private key of employing key pair calculates dynamic password and generates the dynamic password ciphertext, with the safety output of protection dynamic password, avoids because of illegally intercepting or Brute Force obtain relevant important information.
Step S03, regular according to the dynamic token output of presetting exports said dynamic password ciphertext, supplies said dynamic token server authentication.
Dynamic token with said dynamic password ciphertext output, supplies the user that the dynamic password ciphertext is transmitted through the network to the dynamic token server according to the dynamic token output rule that presets; The dynamic token server adopts the PKI that presets that it is carried out decrypt operation after obtaining said dynamic password ciphertext, and reduction obtains dynamic password; And use with the corresponding verification algorithm of dynamic token generation dynamic password this dynamic password is verified, and then accomplish authentication.
The identity identifying method of present embodiment dynamic token is through presetting asymmetric arithmetic and public private key pair in dynamic token; And make its authentication server have its PKI; Can carry out asymmetric encryption to the dynamic password that dynamic token generates; Supply the dynamic token server authentication, can not spread out of dynamic token and also can't obtain, can greatly improve the fail safe of dynamic password through the illegal means violence because of being preset at the interior private key of dynamic token.
With reference to Fig. 2, Fig. 2 is the identity identifying method second embodiment schematic flow sheet of dynamic token of the present invention; Present embodiment has only increased step S11 on the basis of the said embodiment of Fig. 1; Present embodiment only specifically describes step S11, and related other steps of the identity identifying method of dynamic token of the present invention repeat no more at this please with reference to the said embodiment of Fig. 1.As shown in Figure 2, the identity identifying method of dynamic token of the present invention is accepted the public private key pair setting at step S01, dynamic token, and the step that makes the dynamic token server have the dynamic token PKI also comprises step before:
Step S11, preset said asymmetric arithmetic.
In dynamic token inside said asymmetric arithmetic is set in advance; Be appreciated that; In order to decipher the dynamic password ciphertext that generates by dynamic token; In the dynamic token server, preset the asymmetric arithmetic corresponding with said asymmetric arithmetic too, this asymmetric arithmetic is the basis that the identity identifying method of dynamic token of the present invention is implemented; In the process of the identity identifying method of dynamic token of the present invention, dynamic token obtains dynamic password ciphertext, dynamic token server this dynamic password ciphertext process such as decipher is all realized based on this asymmetric arithmetic.Because the encryption key of asymmetric key algorithm and decruption key are different, promptly can not go out another key by one of them key derivation, therefore, safe.
The identity identifying method of present embodiment dynamic token is through being provided with asymmetric arithmetic in advance in dynamic token, and carries out the method for the correlation step of follow-up authentication based on this asymmetric arithmetic, realized improving the beneficial effect of authentication fail safe.
With reference to Fig. 3, Fig. 3 is identity identifying method the 3rd embodiment schematic flow sheet of dynamic token of the present invention; Present embodiment has only increased step S21 on the basis of the foregoing description; Present embodiment only specifically describes step S21, and related other steps of the identity identifying method of dynamic token of the present invention repeat no more at this please with reference to above-mentioned related embodiment.As shown in Figure 3, the identity identifying method of dynamic token of the present invention is exported said dynamic password ciphertext at step S03, according to presetting dynamic token output rule, supplies the step of said dynamic token server authentication also to comprise step before:
Step S21, preset said dynamic token output rule.
In a preferred embodiment, the predefined output rule of dynamic token comprises: from said dynamic password ciphertext intercepting fixedly figure place information output or said dynamic password ciphertext is all exported.Be appreciated that the dynamic token server need preset with dynamic token and export regular corresponding dynamic password ciphertext reception rule in order to obtain correct dynamic password from the dynamic password decrypt ciphertext.Dynamic token is according to predetermined output rule; From the dynamic password ciphertext intercepting fixedly figure place information output or the dynamic password ciphertext all exported; The dynamic token server receives rule according to the dynamic password ciphertext that presets and receives said dynamic password ciphertext; Further, obtain dynamic password, verify according to PKI that presets and asymmetric arithmetic deciphering dynamic password ciphertext.
The identity identifying method of present embodiment dynamic token is through be provided with dynamic token output rule in advance in dynamic token; And, realized further improving the beneficial effect of authentication fail safe based on the method that this dynamic token output rule is carried out the output of dynamic password ciphertext.
With reference to Fig. 4, Fig. 4 is the identification authentication system first example structure sketch map of dynamic token of the present invention; As shown in Figure 4, the identification authentication system of dynamic token of the present invention comprises:
Key is used for dynamic token and accepts the public private key pair setting acquisition module 01, and makes the dynamic token server have the dynamic token PKI;
In a preferred embodiment, the key in the dynamic token presets asymmetric arithmetic and public private key pair to acquisition module 01, and PKI is preset in the dynamic token server; Asymmetric in the said asymmetric key algorithm is meant that the encryption key of an AES and decruption key are different, can not go out another key by one of them key derivation in other words.Said key is to comprising PKI and private key.
Dynamic password generation module 02 is used to generate dynamic password, utilizes the private key in the said public private key pair that said dynamic password is encrypted, and obtains the dynamic password ciphertext;
Dynamic password generation module 02 in the dynamic token generates dynamic password, and particularly, in a preferred embodiment, said dynamic password generation module 02 can generate dynamic password according to the mode of time synchronized; Perhaps the mode according to event synchronization generates dynamic password; Perhaps generate dynamic password according to the mode of challenging/replying; Dynamic token is based on the above-mentioned asymmetric arithmetic that presets, and the private key of employing key pair calculates dynamic password and generates the dynamic password ciphertext, with the safety output of protection dynamic password, avoids because of illegally intercepting or Brute Force obtain relevant important information.
The identification authentication system of present embodiment dynamic token is through through presetting asymmetric arithmetic and public private key pair in dynamic token; And make its authentication server have its PKI; Can carry out asymmetric encryption to the dynamic password that dynamic token generates; Supply the dynamic token server authentication, can not spread out of dynamic token and also can't obtain, can greatly improve the fail safe of dynamic password through the illegal means violence because of being preset at the interior private key of dynamic token.
With reference to Fig. 5, Fig. 5 is the identification authentication system second example structure sketch map of dynamic token of the present invention; Present embodiment has only increased asymmetric arithmetic setting module 11 on the basis of the said embodiment of Fig. 4; Present embodiment only specifically describes asymmetric arithmetic setting module 11; Related other modules of the identification authentication system of dynamic token of the present invention repeat no more at this please with reference to above-mentioned each related embodiment.As shown in Figure 5, the identification authentication system of dynamic token of the present invention also comprises:
Asymmetric arithmetic setting module 11 is used to preset said asymmetric arithmetic.
Asymmetric arithmetic setting module 11 is provided with said asymmetric arithmetic in advance in dynamic token inside; Be appreciated that; In order to decipher the dynamic password ciphertext that generates by dynamic token; Asymmetric arithmetic setting module 11 presets the asymmetric arithmetic corresponding with said asymmetric arithmetic too in the dynamic token server, this asymmetric arithmetic is the basis that the identity identifying method of dynamic token of the present invention is implemented; In the process of the identity identifying method of dynamic token of the present invention, dynamic token obtains dynamic password ciphertext, dynamic token server this dynamic password ciphertext process such as decipher is all realized based on this asymmetric arithmetic.Because the encryption key of asymmetric key algorithm and decruption key are different, promptly can not go out another key by one of them key derivation, therefore, safe.
The identification authentication system of present embodiment dynamic token is through being provided with asymmetric arithmetic in advance in dynamic token, and carries out the method for the correlation step of follow-up authentication based on this asymmetric arithmetic, realized improving the beneficial effect of authentication fail safe.
With reference to Fig. 6, Fig. 6 is identification authentication system the 3rd example structure sketch map of dynamic token of the present invention.Present embodiment has only increased the regular setting module 12 of output on the basis of the foregoing description; Present embodiment only specifically describes exporting regular setting module 12; Related other modules of the identification authentication system of dynamic token of the present invention repeat no more at this please with reference to above-mentioned each related embodiment.As shown in Figure 6, the identification authentication system of dynamic token of the present invention also comprises:
Export regular setting module 12, be used to preset said dynamic token output rule.
In a preferred embodiment, output in dynamic token rule setting module 12 predefined output rules comprise: from said dynamic password ciphertext intercepting fixedly the information output of figure place perhaps said dynamic password ciphertext is all exported.Be appreciated that in order to obtain correct dynamic password, export regular setting module 12 and need preset and export regular corresponding dynamic password ciphertext with dynamic token and receive rule from the dynamic password decrypt ciphertext.The output rule that dynamic token is scheduled to according to the regular setting module 12 of output; From the dynamic password ciphertext intercepting fixedly figure place information output or the dynamic password ciphertext all exported; The dynamic token server receives rule according to the dynamic password ciphertext that presets and receives said dynamic password ciphertext; Further, obtain dynamic password, verify according to PKI that presets and asymmetric arithmetic deciphering dynamic password ciphertext.
The identification authentication system of present embodiment dynamic token is through be provided with dynamic token output rule in advance in dynamic token; And, realized further improving the beneficial effect of authentication fail safe based on the method that this dynamic token output rule is carried out the output of dynamic password ciphertext.
The above is merely the preferred embodiments of the present invention; Be not so limit its claim; Every equivalent structure or equivalent flow process conversion that utilizes specification of the present invention and accompanying drawing content to be done; Directly or indirectly be used in other relevant technical fields, all in like manner be included in the scope of patent protection of the present invention.
Claims (10)
1. the identity identifying method of a dynamic token is characterized in that, may further comprise the steps:
Dynamic token is accepted the public private key pair setting, and makes the dynamic token server have the dynamic token PKI;
Said dynamic token generates dynamic password, utilizes the private key in the said public private key pair that said dynamic password is encrypted, and obtains the dynamic password ciphertext;
According to the dynamic token output rule that presets, export said dynamic password ciphertext, supply said dynamic token server authentication.
2. the identity identifying method of dynamic token according to claim 1 is characterized in that, said dynamic token is accepted the public private key pair setting, and the step that makes the dynamic token server have the dynamic token PKI also comprises step before:
Preset said asymmetric arithmetic.
3. the identity identifying method of dynamic token according to claim 1 and 2 is characterized in that, the dynamic token output rule that said basis presets is exported said dynamic password ciphertext, supplies the step of said dynamic token server authentication also to comprise step before:
Preset said dynamic token output rule.
4. the identity identifying method of dynamic token according to claim 1 is characterized in that, the mode of said generation dynamic password comprises: time synchronizing method, event synchronization mode or challenge/response mode.
5. the identity identifying method of dynamic token according to claim 3 is characterized in that, said dynamic token output rule comprises: the fixedly information output of figure place of intercepting from said dynamic password ciphertext; Perhaps said dynamic password ciphertext is all exported.
6. the identification authentication system of a dynamic token is characterized in that, comprising:
Key is used to accept the public private key pair setting to acquisition module, and makes the dynamic token server have the dynamic token PKI;
The dynamic password generation module is used to generate dynamic password, utilizes the private key in the said public private key pair that said dynamic password is encrypted, and obtains the dynamic password ciphertext;
Message output module is used for exporting said dynamic password ciphertext according to the dynamic token output rule that presets, and supplies said dynamic token server authentication.
7. the identification authentication system of dynamic token according to claim 6 is characterized in that, also comprises:
The asymmetric arithmetic setting module is used to preset said asymmetric arithmetic.
8. according to the identification authentication system of claim 6 or 7 described dynamic tokens, it is characterized in that, also comprise:
Export regular setting module, be used to preset said dynamic token output rule.
9. the identification authentication system of dynamic token according to claim 6 is characterized in that, the mode of said generation dynamic password comprises: time synchronizing method, event synchronization mode or challenge/response mode.
10. the identification authentication system of dynamic token according to claim 8 is characterized in that, said dynamic token output rule comprises: the fixedly information output of figure place of intercepting from said dynamic password ciphertext; Perhaps said dynamic password ciphertext is all exported.
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| CN2012102031325A CN102739403A (en) | 2012-06-19 | 2012-06-19 | Identity authentication method and device for dynamic token |
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| CN103269266A (en) * | 2013-04-27 | 2013-08-28 | 北京宏基恒信科技有限责任公司 | Safety authentication method and system of dynamic password |
| CN104994114A (en) * | 2015-07-27 | 2015-10-21 | 尤磊 | Identity authentication system and method based on electronic identification card |
| CN105391549A (en) * | 2015-12-10 | 2016-03-09 | 四川长虹电器股份有限公司 | Method for realizing communication dynamic keys between client and server |
| CN105656862A (en) * | 2014-11-21 | 2016-06-08 | 航天恒星科技有限公司 | Authentication method and device |
| CN108123796A (en) * | 2016-11-29 | 2018-06-05 | 展讯通信（上海）有限公司 | Method and device, fingerprint tokens and its control method and device of fingerprint comparison |
| CN109409065A (en) * | 2018-10-15 | 2019-03-01 | 福州超体健康科技有限公司 | A kind of workout data number ciphertext dynamic generation personal identification method |
| CN110032858A (en) * | 2019-03-06 | 2019-07-19 | 阿里巴巴集团控股有限公司 | Dynamic confirming method, system and terminal |
| CN113037682A (en) * | 2019-12-09 | 2021-06-25 | 西安诺瓦星云科技股份有限公司 | Encrypted communication method, encrypted communication device, and encrypted communication system |
| CN118473838A (en) * | 2024-07-15 | 2024-08-09 | 神州医疗科技股份有限公司 | Medical knowledge distribution method and system based on dynamic token technology |
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| WO2014161442A1 (en) * | 2013-04-03 | 2014-10-09 | 天地融科技股份有限公司 | Operation request response method and system for electronic signature token, and electronic signature token |
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| CN105391549A (en) * | 2015-12-10 | 2016-03-09 | 四川长虹电器股份有限公司 | Method for realizing communication dynamic keys between client and server |
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| CN108123796A (en) * | 2016-11-29 | 2018-06-05 | 展讯通信（上海）有限公司 | Method and device, fingerprint tokens and its control method and device of fingerprint comparison |
| CN109409065A (en) * | 2018-10-15 | 2019-03-01 | 福州超体健康科技有限公司 | A kind of workout data number ciphertext dynamic generation personal identification method |
| CN110032858A (en) * | 2019-03-06 | 2019-07-19 | 阿里巴巴集团控股有限公司 | Dynamic confirming method, system and terminal |
| CN110032858B (en) * | 2019-03-06 | 2023-07-18 | 创新先进技术有限公司 | Dynamic authentication method, system and terminal |
| CN113037682A (en) * | 2019-12-09 | 2021-06-25 | 西安诺瓦星云科技股份有限公司 | Encrypted communication method, encrypted communication device, and encrypted communication system |
| CN118473838A (en) * | 2024-07-15 | 2024-08-09 | 神州医疗科技股份有限公司 | Medical knowledge distribution method and system based on dynamic token technology |
| CN118473838B (en) * | 2024-07-15 | 2024-09-20 | 神州医疗科技股份有限公司 | Medical knowledge distribution method and system based on dynamic token technology |
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Application publication date: 20121017 |