CN101604404A - A kind of Updatable universal smart card and system and method thereof - Google Patents
A kind of Updatable universal smart card and system and method thereof Download PDFInfo
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- CN101604404A CN101604404A CNA2009101614599A CN200910161459A CN101604404A CN 101604404 A CN101604404 A CN 101604404A CN A2009101614599 A CNA2009101614599 A CN A2009101614599A CN 200910161459 A CN200910161459 A CN 200910161459A CN 101604404 A CN101604404 A CN 101604404A
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Abstract
The invention provides a kind of Updatable universal smart card and system and method thereof.Described smart card comprises: interface unit is used for communicating by letter between described smart card and the peripherals; Storage unit, its storage is corresponding to user key and corresponding algorithm more than an application; The application management unit is used for when receiving user command via described interface unit, the identification application corresponding, and indication cryptographic calculations unit carries out cryptographic calculations; When receiving lastest imformation via described interface unit, the identification application corresponding is also upgraded the corresponding information of being stored in the storage unit; The cryptographic calculations unit based on relative users key and the algorithm stored from the indication and the storage unit of described application management unit, calculates described user's password and offers the user via described interface unit.
Description
Technical field
The present invention relates to field of intelligent cards, more specifically, relate to the Updatable universal smart card that is used for identification, and system and the correlation technique of using this type of smart card.
Background technology
Smart card (Smart Card) also be IC-card, and it is a kind of card that has micro integrated circuit chips such as microprocessor and storer, has standard specification.Smart card is followed corresponding standard, for example ISO7816.Wherein, the ISO7816 standard code profile of smart card, thickness, contact position, electric signal, agreement etc.According to the difference of standard that smart card is followed, its interface can have different forms such as ISO7816, SD, USB.Along with developing rapidly of smart card, be applied to various fields such as bank, telecommunications, traffic, social insurance, ecommerce, SIM card in IC phonecard, financial IC card, social insurance card and the mobile phone or the like all belongs to the category of smart card.
At present, smart card and adopt the safety chip (being also referred to as safety card) of smart card techniques to can be the user identification at a certain application-specific is provided.For example, store static password in the smart card, the user can sign in to specific application server by the static password that smart card provides.But, because this type of password is static, if do not comprise special character then wait by the method for exhaustion easily and crack, so the security that this type of smart card provides is lower.And when password was updated, the user need change smart card, and this also causes bigger waste.
Another kind of is that the webserver provides dynamic password by portable terminal for the user via network for the user provides the mode of identification.This is that mode by short message provides disposal password so that the user logins.But this mode depends on mobile communications network, and is subjected to the restriction of network quality and security, and has produced certain communications cost, has also increased offered load simultaneously.
Also there is a kind of widely used safety card at present, as shown in Figure 1.This equipment has the display interface that is used to show up-to-date password, and is built-in with the proprietary key of battery, clock and user.Itself and security server are synchronous, and combine with the key information with subscriber-related in the safety card according to the current time, calculate login password by RSA cryptographic algorithms, so that the disposal password that is provided for the Internet bank etc. to the user is used for identification.During use, after the user logined with this password, server end adopted the synchronous time to carry out same computing as the factor.If the password that server calculated is identical with the password that the user is inputed, then the user can login specific application, otherwise login failure.The shortcoming of this equipment is that the user can not operate on it, the encrypted message that can only use it to provide.And, because its built-in algorithm is only at single application, and not chargeable, therefore, the user often need have a plurality of safety cards owing to used a plurality of application, and this has also brought the waste on the cost.
In addition, carry out user's authentication as the factor with the time usually in the prior art.In this case, if the temporal information between client and the server is asynchronous, then password just can't with server sync, this often causes login failure.And the resulting login password of user is effective within a certain period of time usually, for example 1 minute, if this password is intercepted and captured by the disabled user and carried out register rapidly, then may login success, and cause security of users to be on the hazard.
Summary of the invention
The objective of the invention is by a kind of Updatable universal smart card is provided, to solve or to alleviate the problems referred to above of the prior art at least.
According to an aspect of the present invention, provide a kind of Updatable universal smart card, having comprised:
Interface unit is used for communicating by letter between described smart card and the peripherals;
Storage unit, its storage is corresponding to user key and corresponding algorithm more than an application;
The application management unit is used for when receiving user command via described interface unit, the identification application corresponding, and indication cryptographic calculations unit carries out cryptographic calculations; When receiving lastest imformation via described interface unit, the identification application corresponding is also upgraded the corresponding information of being stored in the storage unit;
The cryptographic calculations unit based on relative users key and the algorithm stored from the indication and the storage unit of described application management unit, calculates described user's password and offers the user via described interface unit.
Alternatively, described application management unit is further configured to providing the application management interface by interface unit to described user, so that carry out at least one operation in following: the selection of application, renewal, interpolation, deletion.
Alternatively, described cell stores has the login times of user about respective application.
Alternatively, described cryptographic calculations unit is the factor with described user key and described user's login times, is used for user's password based on corresponding algorithm computation.
Preferably, if be used to verify that at respective application user's server is the factor with identical described user key with the login times that is not more than described user, the password that goes out based on identical algorithm computation is identical with the password that described cryptographic calculations unit calculates, and the difference between above-mentioned two login times is in predetermined scope, and then described user is by checking.
Alternatively, the renewal of described user key and/or corresponding algorithm is used to verify that by described user or at respective application user's server initiates.
Alternatively, described peripherals is at least a in portable terminal, laptop computer, desktop PC, portable mobile termianl, mp3, the mp4 equipment.
Alternatively, described smart card has display device, user's operating means.
Alternatively, described smart card has battery and/or extraneous power supply.
Alternatively, described algorithm is at least a in following: RSA, DSA, AES, DES, 3DES, IDEA, MD5, Comp128, Cave, Milenage.
Wherein, described smart card is the smart card with ISO7816 contact or ISO14443 non-contact interface; Or the device that possesses intelligent card function of SD card or USB interface.
According to a further aspect in the invention, provide a kind of equipment that carries smart card, it comprises:
Interface unit can communicate via network and other equipment by the described equipment of this interface unit;
Aforementioned any smart card;
Wherein, the interface unit by described equipment upgrades described smart card.
Preferably, described renewal comprises in following at least one: the user key that is used to use, the respective algorithms that is used to use, the increase of application, the deletion of application.
Preferably, described peripherals is at least a in portable terminal, laptop computer, desktop PC, portable mobile termianl, mp3, the mp4 equipment.
According to a further aspect in the invention, the system that provides a kind of identifying information that Updatable universal smart card is provided to verify comprises:
Authentication server is used at application corresponding the user being carried out authentication;
Aforementioned arbitrary smart card;
Wherein, described authentication server is verified the user by the customer identification information that is received from described smart card.
Alternatively, described authentication server or based on the request from described smart card, upgrades it on one's own initiative.
Preferably, described smart card and described authentication server are the factor with described user key and described user's login times all, are used for user's password based on corresponding algorithm computation.
Preferably, if described authentication server calculates the password identical with described smart card with the login times that is not more than described user, and the difference between above-mentioned two login times is in predetermined scope, and then described user is by checking.
A kind of by Updatable universal smart card to the method that the user carries out authentication, comprise step:
When described smart card receives that needs from the user are used for the instruction of user cipher of a certain application, the identification application corresponding, and based on corresponding user key and the algorithm stored, calculate described user's password and provide it to the user;
The user offers the server that is used to verify the user at this application with the password of receiving;
Server is verified described password;
Wherein, described smart card can upgrade when receiving lastest imformation accordingly.
Preferably, described smart card and described authentication server are the factor with described user key and described user's login times all, are used for user's password based on corresponding algorithm computation.
Preferably, if described authentication server calculates the password identical with described smart card with the login times that is not more than described user, and the difference between above-mentioned two login times is in predetermined scope, and then described user is by checking.
According to the solution of the present invention, provide renewable, stored at smart card more than the information of an application.And, be that the factor is calculated user cipher by configurable smart card with user key and login times, and only use corresponding authentication mechanism at server end, strengthened the user identity identification process safe.Thereby preferred version of the present invention has not only solved the safety problem of legacy user's authentication mode but also has solved efficiency.
In addition, smart card of the present invention both can self comprise and show and mutual (for example input media such as keypad, soft keyboard) equipment (preferably also can comprise electric supply installations such as battery, power supply), can show with mutual by peripherals again.Like this, the present invention will show etc. with the operation of the irrelevant operation of safety with security sensitives such as key storage and calculating and be separated, make the operation of security sensitive advance and can be carried out by smart card, other operation then can be transferred to various can carrying out on the peripherals of interface with smart card.Like this, make things convenient for the user to utilize existing equipment to operate, thereby reduced cost significantly.
Description of drawings
Pass through detailed description hereinafter in conjunction with the accompanying drawings, above-mentioned aspect of the present invention and advantage, characteristic and other advantages and feature will become obviously, wherein:
Fig. 1 shows a kind of smart card of the prior art;
Fig. 2 is exemplary to be shown according to smart card of the present invention and can be applied to wherein network environment;
The exemplary synoptic diagram that shows a kind of according to smart card of the present invention of Fig. 3;
The exemplary method flow diagram that shows according to one embodiment of the invention of Fig. 4;
Fig. 5 is exemplary show one according to the present invention the process flow diagram of verification method.
Embodiment
Below, will further describe in detail the present invention in conjunction with the accompanying drawings.Wherein, accompanying drawing and instantiation hereinafter are exemplary only for purpose of explanation, are not appreciated that limitation of the present invention.
Fig. 2 is exemplary to show a kind of network environment, wherein can use smart card of the present invention.As shown in Figure 2, store user key and the algorithm that is used for a certain application in the smart card among Fig. 2.Described user key and algorithm are scheduled to, and can be that storage also can be updated before smart card dispatches from the factory, and also can in use be issued by corresponding Authentication server.Smart card can pass through user key and the algorithm stored, calculates the user cipher that is used for the application corresponding with this algorithm.Storing the smart card of above-mentioned information, is SIM card in this example, can be by peripherals, and mobile phone for example after the user sends the instruction that needs password, shows the user cipher that is calculated and offers the user.Subsequently, the user is by mobile phone, and perhaps other-end equipment uses the user cipher that is obtained to carry out register.Here, user's relevant logging request is sent to network application server, and and then be transmitted to Authentication server, verify by its identity the user.If the verification passes, then the user logins success.
Alternatively, issuing of above being mentioned can be issued by corresponding Authentication server, also can send request to corresponding authentication server by client.
Alternatively, the SIM card among Fig. 2 can provide the application management interface to the user, and this interface can show the pairing application of all algorithms that smart card is stored.Alternatively, the selection that the user can use by this interface, and the instruction of sending the password that need be used for this application to smart card.In addition, the function that this interface can also provide increase, deletion to use to the user, and upgrade functions such as the user key that is used for a certain application, algorithm.
Although it should be noted that only to show a network application server and Authentication server among Fig. 2, it will be appreciated by those skilled in the art that to have a fairly large number of various server in the practical application, rather than be limited to the quantity shown in the figure.In addition, network application server among the figure and Authentication server are exemplary, and according to the needs of practical application, above-mentioned server can be realized by a station server.Understand easily, the SIM card among Fig. 2 also can be waited by the device that possesses intelligent card function of the interface shapes such as smart card, SD card or USB of interfaces such as ISO7816 contact or ISO14443 be contactless and realize.Similarly, the PC terminal also can be realized by the plurality of devices such as at least a in mobile phone, portable terminal, desktop PC, portable mobile termianl, mp3, the mp4 equipment.Alternatively, the user that can come the identification intelligent card by the peripherals of carrying smart card is so that carry out the charging of required/necessity to it.For example, when described peripherals is mobile phone, can discern the user, so that charge according to the needs of applied environment pair and the use of the smart card of this handset binding by phone number.
The exemplary synoptic diagram that shows a kind of according to smart card of the present invention of Fig. 3.It comprises: interface unit is used for communicating by letter between smart card and the peripherals; Storage unit is used for storing and some corresponding user key and corresponding algorithms used; The application management unit, be used for receiving the user via described interface unit when needing the order of user cipher, the identification application corresponding, and indication cryptographic calculations unit carries out cryptographic calculations, when receiving lastest imformation via interface unit, the identification application corresponding is also upgraded the corresponding information of being stored in the storage unit; The cryptographic calculations unit based on from relative users key and the algorithm stored in the indication of application management unit and the storage unit, calculates user's password and offers the user via interface unit.
Wherein, easy to use for the user, described application management unit further provides application management mentioned above interface to the user.
It should be noted that smart card architecture shown in Figure 3 is exemplary, obviously, except shown parts, this smart card can also comprise the miscellaneous part that some function is provided in order to satisfy specific needs.
The exemplary method flow diagram that shows according to one embodiment of the invention of Fig. 4.
At first, Authentication server is arranged is the user key that generates of user and predetermined cryptographic algorithm for smart cards for storage according to the present invention.Wherein, this smart card can be stored user key and the algorithm about a plurality of application as required.When the user issues the password that needs a certain application, in step 401, will receive instruction at the smart card place, after this smartcard identification application corresponding from the user, and, calculate user's password and provide it to the user based on corresponding user key and the algorithm stored.Preferably, key and the login times count value Ac of smart card to be stored, and User Recognition code name etc. goes out this login password of user as the factor based on the algorithm computation corresponding to this application.In step 402, the user offers the server that is used to verify the user at this application with the password of receiving.In step 403, server response login request of users, this login of checking user correctness of password.
Fig. 5 is exemplary show one according to the present invention the process flow diagram of verification method.Wherein, in client, smart card as the factor, goes out user this login password based on the algorithm computation corresponding to this application with the key stored and login times count value Ac.
In step 501, the Authentication server inquiry is this user key of storage in advance, factor information such as login times Counter Value As, and corresponding algorithm, and based on the above-mentioned factor this login password by described this user of algorithm computation.In step 502, Authentication server compares login password that calculates and the user cipher of receiving, if unanimity then feedback user authentication successful information.If it is inconsistent, then in step 503, get greater than the value of current counting As some by counter As and to calculate login password, if consistent value and As＜Ac are arranged, illustrate that then user smart card counter Ac is asynchronous with server counter As, according to the As value replacement As that produces consistent password, and feedback authentication successful information, step 504.If there is not consistent value, then feedback user authentication failure, step 505.Alternatively, Authentication server increases 1 with Counter Value after by subscriber authentication, otherwise it is constant to keep Counter Value.
Below, will illustrate above-mentioned verification mode:
Smart card and server end are scheduled to secure cryptographic algorithm (for example 3DES) and user key K.Here, this algorithm is a symmetry algorithm, and smart card all adopts identical user key K with server, with the login times Counter Value as the factor, by pre-defined algorithm obtain this login usefulness password.
The login password that obtains by algorithm at the smart card end be Pc=f3des (K, Ac);
The login password that obtains by algorithm at the Authentication server end be Ps=f3des (K, As);
The user is after signing in to corresponding server and importing Pc, and server is Pc and Ps comparison, if inconsistent then get value As ' tentative calculation login password Ps ' greater than current counting As some by counter As.The synchronous As of basis As ' at that time if certain Ps ' is consistent with Pc, and feedback authentication success, otherwise the feedback authentication is failed.
Understand easily, in counting process, the smart card of client can user cipher of every calculating then login times increase 1; Authentication server can whenever successfully land start-stop counter and add 1, lands failure and does not change Counter Value.
By as seen above-mentioned, by verification method shown in Figure 5,, client intercepted by the disabled user even if being used for the password of this login, can not be used for next register.And, have only the disabled user to initiate under the situation of checking request to server early than actual user, user security just can be received threat.Because only under the situation of Counter Value less than the Counter Value of client of authentication server end, it is inconsistent that authentication server just can be determined password is by both party asynchronous the causing of Counter Value, just can make the user pass through checking.Therefore, verification method of the present invention and corresponding cryptographic calculations method thereof have strengthened security.
It should be noted that, the 3DES that related algorithm is not limited to mention in above-mentioned cryptographic calculations and the verification method, RSA scheduling algorithm, it will be appreciated by those skilled in the art that the development along with technology, the algorithm at application-specific that any relevant authentication server is adopted all can be used for the present invention.
By above-mentioned explanation as seen, the present invention makes smart card that the user cipher of dynamic generation can be provided to the user by information such as the user key at different application storing predetermined in smart card, algorithms.And smart card of the present invention can carry out information updating by peripherals by its interface, as increasing, revise, delete the information about one or more application, as upgrading user key, corresponding algorithm, Counter Value or the like.Thereby smart card of the present invention can adapt to the Security Assurance Mechanism of respective application self, for example application such as Web bank, online chat, mail, address list along with the development of technology.
Smart card of the present invention refers to various types ofly the intellective IC card of identity identification information is provided and utilize smart card techniques that the device of identity identification information is provided for the user for the user.
Although above described embodiments of the invention in conjunction with the accompanying drawings, should be noted that above-mentioned explanation only is exemplary, not should be understood to limitation of the present invention.It will be appreciated by those skilled in the art that under the situation that does not break away from spirit of the present invention can carry out various modifications, modification, improvement to the foregoing description, it falls within the scope of the present invention.
Claims (10)
1. Updatable universal smart card comprises:
Interface unit is used for communicating by letter between described smart card and the peripherals;
Storage unit, its storage is corresponding to user key and corresponding algorithm more than an application;
The application management unit is used for when receiving user command via described interface unit, the identification application corresponding, and indication cryptographic calculations unit carries out cryptographic calculations; When receiving lastest imformation via described interface unit, the identification application corresponding is also upgraded the corresponding information of being stored in the storage unit;
The cryptographic calculations unit based on relative users key and the algorithm stored from the indication and the storage unit of described application management unit, calculates described user's password and offers the user via described interface unit.
2. smart card as claimed in claim 1, wherein, described application management unit is further configured to providing the application management interface by interface unit to described user, so that carry out at least one operation in following: the selection of application, renewal, interpolation, deletion.
3. smart card as claimed in claim 1 or 2, wherein, described cell stores has login times, and described cryptographic calculations unit is the factor with described user key and described user's login times, based on corresponding algorithm computation user's password.
4. smart card as claimed in claim 3, wherein, if be used to verify that at respective application user's server is the factor with identical described user key with the login times that is not more than described user, the password that goes out based on identical algorithm computation is identical with the password that described cryptographic calculations unit calculates, and the difference between above-mentioned two login times is in predetermined scope, and then described user is by checking.
5. smart card as claimed in claim 1 or 2 wherein, is used to verify that by described user or at respective application user's server initiates to the renewal of described user key and/or corresponding algorithm.
6. smart card as claimed in claim 1 or 2, wherein, described peripherals is at least a in mobile phone, portable terminal, laptop computer, desktop PC, portable mobile termianl, mp3, the mp4 equipment; And/or discern the user of described smart card so that it is chargeed by described peripherals.
7. equipment that carries smart card, it comprises:
Interface unit can communicate via network and other equipment by the described equipment of this interface unit;
As the described smart card of arbitrary claim in the claim 1 to 6;
Wherein, the interface unit by described equipment upgrades described smart card.
8. equipment as claimed in claim 11, wherein, described renewal comprises at least one in following: the user key that is used to use, the respective algorithms that is used to use, the increase of application, the modification of application, the deletion of application.
9. system that the identifying information that Updatable universal smart card is provided is verified comprises:
Authentication server is used at application corresponding the user being carried out authentication;
As the described smart card of arbitrary claim in the claim 1 to 6;
Wherein, described authentication server is verified the user by the customer identification information that is received from described smart card.
One kind by Updatable universal smart card to the method that the user carries out authentication, comprise step:
When described smart card receives that needs from the user are used for the instruction of user cipher of a certain application, the identification application corresponding, and based on corresponding user key and the algorithm stored, calculate described user's password and provide it to the user;
The user offers the server that is used to verify the user at this application with the password of receiving;
Server is verified described password;
Wherein, described smart card can upgrade when receiving lastest imformation accordingly.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2009101614599A CN101604404A (en) | 2009-07-31 | 2009-07-31 | A kind of Updatable universal smart card and system and method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2009101614599A CN101604404A (en) | 2009-07-31 | 2009-07-31 | A kind of Updatable universal smart card and system and method thereof |
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| CN101604404A true CN101604404A (en) | 2009-12-16 |
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| CNA2009101614599A Pending CN101604404A (en) | 2009-07-31 | 2009-07-31 | A kind of Updatable universal smart card and system and method thereof |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101895883A (en) * | 2010-06-04 | 2010-11-24 | 中国联合网络通信集团有限公司 | Smart card supporting authentication arithmetic update and method for updating authentication arithmetic |
| CN102056172A (en) * | 2011-01-04 | 2011-05-11 | 大唐微电子技术有限公司 | Smart card and authentication method thereof |
| CN102404113A (en) * | 2010-09-08 | 2012-04-04 | 中国银联股份有限公司 | Method and system both for safety information interaction |
| CN104320422A (en) * | 2014-11-18 | 2015-01-28 | 中国建设银行股份有限公司 | Password management method, related device and system |
| CN105468408A (en) * | 2015-11-19 | 2016-04-06 | 中国航天科工集团第二研究院七〇六所 | Method for downloading cryptographic algorithm by intelligent card |
| CN108804125A (en) * | 2018-06-29 | 2018-11-13 | 四川科道芯国智能技术股份有限公司 | application management method, device and terminal device |
| US11658997B2 (en) | 2018-10-02 | 2023-05-23 | Capital One Services, Llc | Systems and methods for signaling an attack on contactless cards |
| US11924188B2 (en) | 2018-10-02 | 2024-03-05 | Capital One Services, Llc | Systems and methods for cryptographic authentication of contactless cards |
-
2009
- 2009-07-31 CN CNA2009101614599A patent/CN101604404A/en active Pending
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101895883A (en) * | 2010-06-04 | 2010-11-24 | 中国联合网络通信集团有限公司 | Smart card supporting authentication arithmetic update and method for updating authentication arithmetic |
| CN101895883B (en) * | 2010-06-04 | 2013-01-30 | 中国联合网络通信集团有限公司 | Smart card supporting authentication arithmetic update and method for updating authentication arithmetic |
| CN102404113A (en) * | 2010-09-08 | 2012-04-04 | 中国银联股份有限公司 | Method and system both for safety information interaction |
| CN102056172A (en) * | 2011-01-04 | 2011-05-11 | 大唐微电子技术有限公司 | Smart card and authentication method thereof |
| CN104320422A (en) * | 2014-11-18 | 2015-01-28 | 中国建设银行股份有限公司 | Password management method, related device and system |
| CN105468408A (en) * | 2015-11-19 | 2016-04-06 | 中国航天科工集团第二研究院七〇六所 | Method for downloading cryptographic algorithm by intelligent card |
| CN108804125A (en) * | 2018-06-29 | 2018-11-13 | 四川科道芯国智能技术股份有限公司 | application management method, device and terminal device |
| US11658997B2 (en) | 2018-10-02 | 2023-05-23 | Capital One Services, Llc | Systems and methods for signaling an attack on contactless cards |
| US11924188B2 (en) | 2018-10-02 | 2024-03-05 | Capital One Services, Llc | Systems and methods for cryptographic authentication of contactless cards |
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Application publication date: 20091216 |