CN102013026A - Smart card dynamic password authentication system and smart card dynamic password authentication method - Google Patents
Smart card dynamic password authentication system and smart card dynamic password authentication method Download PDFInfo
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Abstract
The invention discloses a smart card dynamic password authentication system which is used for the field of smart cards and is used for solving the data security problem of the traditional smart card. The system comprises a smart card, a port manager, a central processing unit (CPU) and a remote server, wherein the CPU is electrically connected with the smart card by the port manager; the CPU comprises a dynamic password generation module; the port manager is used for providing a communication interface for the smart card and the CPU; the CPU is used for activating the dynamic password generation module to generate a dynamic password when receiving a read/write command of a card reader on the smart card; and the remote server is used for producing a random password at definite time and authenticating the dynamic password to verify whether the random password is the same with the synchronously generated dynamic password. By using the dynamically generated password to encrypt and verify the read/write process of the smart card, the data security and trading security of the smart card are effectively improved.
Description
Technical field
The present invention relates to the IC field of intelligent cards, relate in particular to a kind of smart card dynamic password Verification System and smart card dynamic password authentication method.
Background technology
IC-card (integrated circuit card, Integrated Circuit Card) is another the novel information instrument that after magnetic card, occurs, IC-card also claims smart card (smart card), smart card (intelligent card), microcircuit card (microcircuit card) or chip card etc. in some countries and regions, it is a microelectronic chip to be embedded meet in the card base of ISO7816 standard, makes card form; Ten minutes has been widely used in and has comprised a lot of fields such as finance, traffic, social security, is mainly used in the automatic fare collection system of public transport, ferry, subway, also is applied in entrance guard management, proof of identification and stored value card.
Smart card belongs to the semiconductor card, adopts microelectric technique to carry out storage, the processing of information.According to the composition structure of smart card, can be divided into general memory card, encrypted memory card, central processor CPU card and supper-intelligent card:
(1) memory card, its embedded chip is equivalent to common Serial E 2PROM storer, this class card information convenient storage, use simply low price, a lot of alternative magnetic cards of occasion, but, therefore can only be used for the less demanding application scenario of confidentiality owing to itself do not possess the information privacy function.
(2) encrypted memory card, its embedded chip has increased steering logic outside the memory block, needed password check before access storage areas, has only password correct, just can carry out accessing operation, and this category information confidentiality is better, but uses with the normal memory card similar.
(3) CPU card, its embedded chip is equivalent to the single-chip microcomputer of a specific type, and is inner except having controller, storer, time sequence control logic etc., also has algorithm unit and operating system.Characteristics such as memory capacity is big because the CPU card has, processing power is strong, information stores safety are widely used in Information Security and require extra high occasion.
(4) supper-intelligent card, it has little central processing unit MPU and storer and keyboard, LCD and power supply is housed, and also has fingerprint identification device etc. on the card that has.
Compete under the fierce more situation in global IC industrial market, smart card develops to higher level direction, such as shifting to the non-contact type smart card from contact-type, smart cards, develop to high storage capacity from low memory capacity smart card, transform to multi-function intelligent card from single function smart card, transform to the multisystem smart card, turn to banking system to use by the non-banking system from the smart card of single system, by civilian turn to military, by LAN (Local Area Network) to the Internet migration etc.Along with these development, also more and more higher to the application security requirement of smart card.Especially as the smart card of electronic money, record a large amount of important informations on it, security is extremely important, is necessary for smart card system as the application of IC cards system developer rational and effective safety practice is provided, to guarantee the transaction data safety of smart card and application system thereof.
The principal element that influences smart card and application system safety has: (1) uses the user to lose or stolen smart card, pretends to be validated user to enter application system, obtains unlawful interests; (2) with forge or blank card come the bootlegging data, enter application system; (3) the outer read-write equipment for smart card of using system is made amendment to the data on the legal card, changes operation rank etc.; (4) in the smart card process of exchange, finish authentication with normal card after, conversion smart card midway, thus inconsistent in data that card gone up store and the system; (5) in the smart card read-write operation, the information flow of doing to exchange when docking port equipment and smart card communications carries out interception, and revise, even insert invalid information, obtaining unlawful interests, or the destruction system.
To above security implication factor, safety technique commonly used has: identity is differentiated and the smart card legitimacy is confirmed message authentication technique, data encryption mechanics of communication etc.These technology adopt the integrality of data in storage and process of exchange that can guarantee smart card to a certain extent, validity and authenticity, thus prevent from effectively smart card is is illegally read and write and revised.But steal situation with interception for information flow, above technology just can not guarantee that turnover or the code data in the process of exchange all is safe.
Summary of the invention
Can not satisfy the requirement of high security based on existing smart card techniques, the invention provides a kind of novel smart card dynamic password Verification System, its embedded dynamic password generation technique, further on the basis that existing intelligent card data is encrypted, carry out the safety certification of once intelligent card data being read and write again.
In order to realize above goal of the invention, a kind of smart card dynamic password Verification System that the embodiment of the invention provided is to realize by following technical scheme:
A kind of smart card dynamic password Verification System, described system comprises:
Smart card, port manager, CPU and far-end server, described CPU are set up by described port manager and described smart card and are electrically connected, and wherein, described CPU comprises a dynamic password generation modules;
Described port manager is used to provide the communication interface of described smart card and CPU;
CPU is used for starting described dynamic password generation modules when receiving smart card reader to the read write command of described smart card, generates one group of dynamic password;
Described far-end server is used for regularly producing random cipher, and authenticates described dynamic password to verify whether described random cipher is consistent with the dynamic password that generates synchronously.
Further, described CPU also comprises a synchronous clock, is used to provide the time synchronized of described CPU and far-end server.
Further, when described random cipher was consistent with the dynamic password that generates synchronously, described CPU started described smart card by described port manager, and described smart card carries out the read operation of data message.
Further, described system also comprises a display screen and button, and described CPU links to each other respectively with display screen, keyboard, and described button is used for controlling described display screen and whether shows described dynamic password.
Further, described display screen also is used to show the result that reads of described intelligent card data information.
In order to realize the foregoing invention purpose, the embodiment of the invention also provides a kind of smart card dynamic password authentication method, said method comprising the steps of:
When smart card reader carried out read-write operation to described smart card, the CPU reception that is connected with described smart card by a port manager was synchronized to read write command, and the dynamic password generation modules among the described CPU is activated and generates one group of dynamic password;
Far-end server regularly produces random cipher, and receives synchronously and authenticate described dynamic password, verifies whether the dynamic password that described random cipher and described CPU generate synchronously is consistent.
Further, when described random cipher was consistent with the dynamic password that generates synchronously, described CPU started described smart card by described port manager, carries out the read operation of described intelligent card data information.
Further, described method comprises that also the time synchronized of described far-end server and CPU is finished by a synchronous clock.
Further, described method also comprises, a button and a display screen that is connected with described CPU respectively is provided, and when described button was pressed, described display screen showed described dynamic password.
Further, described method comprises that also after intelligent card data information read and finishes, described display screen showed that described is the result that reads that can block data message.
The smart card system that the embodiment of the invention provides and based on the smart card dynamic password verification method of this system utilizes the password that dynamically generates smart card read-write process is encrypted and to verify, has effectively improved the data security and the transaction security of smart card.
Description of drawings
The present invention is further described below in conjunction with drawings and Examples:
Fig. 1 is the synoptic diagram of 1 one kinds of smart card dynamic password Verification Systems of the embodiment of the invention;
Fig. 2 is the synoptic diagram of the embodiment of the invention 2 another kind of smart card dynamic password Verification Systems;
Fig. 3 is the process flow diagram of the embodiment of the invention 3 smart card dynamic password authentication methods.
Embodiment
As Fig. 1 is the synoptic diagram of the smart card dynamic password Verification System of the embodiment of the invention 1.
As shown in Figure 1, a kind of smart card dynamic password Verification System of the embodiment of the invention 1, described system comprises:
Smart card, port manager, CPU and far-end server, described CPU are set up by described port manager and described smart card and are electrically connected, and wherein, described CPU comprises a dynamic password generation modules;
Described port manager is used to provide the communication interface of described smart card and CPU;
CPU is used for starting described dynamic password generation modules when receiving smart card reader to the read write command of described smart card, generates one group of dynamic password;
Described far-end server is used for regularly producing random cipher, and receives and authenticate described dynamic password to verify whether described random cipher is consistent with the described dynamic password of generation synchronously.
Intelligent card read/write device is the bridge between smart card and application system, is called as IFD (interfacing equipment, Interface Device) in the ISO international standard.CPU in the card reader links to each other with smart card by an interface circuit and communicates.This interface circuit is a vital part in the intelligent card read/write device, according to the difference of real application systems, can select parallel communications, half duplex series communication and I2C different communication protocol and the read-write chip of smart card such as communicate by letter to communicate.
Smart card reader comprises contact Card Reader and contactless read-write card dual mode to the Card Reader mode of smart card: (1) contact read-write card is contacted by the contact of card reader and the contact on the smart card card and to carry out reading and writing data; (2) contactless read-write card is not had circuit contacts, is read and write (for example light or radiotelegraphy) by contactless read-write technology by smart card and card reader.This class read-write mode generally is used in the occasion that access is frequent, environment for use is abominable.
When smart card reader carried out read-write card to smart card, synchronously, described CPU received read write command, when described CPU receives card reader to the read write command of described smart card, with starting its built-in dynamic password generation modules, generated one group of dynamic password.
Far-end server is as an authentication main body, is used for a plurality of smart cards in the management server system, and the identity authentication function of smart card is provided; It is ceaselessly generating random cipher, in order to the authentication comparison of the dynamic password that generates with the CPU dynamic password generation modules of smart card system to be provided.When described dynamic password generated, far-end server received the dynamic password that generates, and the authentication of the dynamic password that should generate synchronously.That is to say that at a time, the dynamic password that random cipher that far-end server generates and smart card generate synchronously authenticates, whether consistently see at two passwords of synchronization.
Further, described system also comprises a synchronous clock, is used to provide the time synchronized of described far-end server and CPU.Could guarantee like this to use the smart card of same password create-rule and far-end server to authenticate at synchronization.Synchronous clock is used to provide the time synchronized that generates described dynamic password CPU and far-end server.
When described random cipher is consistent with the dynamic password that generates synchronously, the authentication of described smart card is passed through, described CPU will start described port manager, and start described smart card by this port manager, carry out the read operation of described intelligent card data information; When two passwords were inconsistent, described smart card was illegal card, can not be by authentication, with the further data read-write operation of the described smart card of refusal.Preferably, described system also comprises a battery, links to each other with described CPU, is used for the power supply to described system.
Here, this smart card system is as being widely used in the stored value card on-site payment occasion, safe and reliable or fiscard, by the dynamic password that produces,, all have certain security and reliability to support that the card user carries out authentication in occasions such as network trading, phone tradings.
As shown in Figure 2, the embodiment of the invention 2 provides another kind of smart card dynamic password system, and described system comprises:
Smart card, port manager, CPU and far-end server, described CPU are set up by described port manager and described smart card and are electrically connected, and wherein, described CPU comprises a dynamic password generation modules;
Described port manager is used to provide the communication interface of described smart card and CPU;
CPU is used for starting described dynamic password generation modules when receiving card reader to the read write command of described smart card, generates one group of dynamic password;
Described far-end server is used for regularly producing random cipher, and receives and authenticate described dynamic password to verify whether described random cipher is consistent with the described dynamic password of generation synchronously;
Described system also comprises a display screen and button, and described CPU links to each other respectively with display screen, keyboard, and described button is used for controlling described display screen and whether shows described dynamic password.
When described button was pressed, the described display screen of CPU showed described dynamic password.
Preferably, described system also comprises a battery, links to each other with described CPU, is used for the power supply to described system.
When described random cipher is consistent with the dynamic password that generates synchronously, the authentication of described smart card is passed through, described CPU will start described port manager, and start described smart card by this port manager, carry out the read operation of described intelligent card data information; When two passwords were inconsistent, described smart card was illegal card, can not be by authentication, with the further data read-write operation of the described smart card of refusal.Further preferably, described display screen also is used to show the result that reads of described intelligent card data information.
Checking by dynamic password, can carry out read operation to intelligent card data, after sense data is handled, result data to smart card shows again, the user can see the result data that returns by display screen, judge that by these data whether this transaction results meets correctly, avoids the error in data that may cause in the process operation data.
As shown in Figure 3, the embodiment of the invention 3 also provides a kind of smart card dynamic password verification method, said method comprising the steps of:
Step 1, when smart card reader carries out read-write operation to described smart card, the CPU that is connected with described smart card by a port manager receives read write command synchronously;
Dynamic password generation modules among step 2, the described CPU is activated and generates one group of dynamic password;
Step 3, far-end server regularly produce random cipher, and receive synchronously and authenticate described dynamic password, verify whether the dynamic password that described random cipher and described CPU generate synchronously is consistent.
The time synchronized of described far-end server and CPU is finished by a synchronous clock.Far-end server is as an authentication main body, is used for a plurality of smart cards in the management server system, and the identity authentication function of smart card is provided; It is ceaselessly generating random cipher, in order to the authentication comparison of the dynamic password that generates with the CPU dynamic password generation modules of smart card system to be provided.When described dynamic password generated, far-end server received the dynamic password that generates, and the authentication of the dynamic password that should generate synchronously.That is to say that at a time, the dynamic password that random cipher that far-end server generates and smart card generate synchronously authenticates, whether consistently see at two passwords of synchronization.
When described random cipher is consistent with the dynamic password that generates synchronously, the authentication of described smart card is passed through, described CPU will start described port manager, and start described smart card by this port manager, carry out the read operation of described intelligent card data information; When two passwords were inconsistent, described smart card was illegal card, can not be by authentication, with the further data read-write operation of the described smart card of refusal.Further preferably, provide a button and a display screen that is connected with described CPU respectively, when described button was pressed, described display screen showed described dynamic password.
Further preferably, after intelligent card data information read and finishes, described display screen showed that described is the result that reads that can block data message.Like this, the user can see the result data that returns by display screen, judges that by these data whether this transaction results meets correctly, avoids the error in data that may cause in the process operation data.
The dynamic password of above method by producing to support that the card user carries out authentication in occasions such as network trading, phone tradings, has certain security and reliability.
Those skilled in the art will recognize that; above-mentioned embodiment is exemplary; be in order to make those skilled in the art can better understand this patent content; should not be construed as is restriction to this patent protection domain; change or modify so long as disclose spiritual any being equal to of being done, all fall into this patent protection domain according to this patent.
Claims (10)
1. a smart card dynamic password Verification System is characterized in that, described system comprises:
Smart card, port manager, CPU and far-end server, described CPU are set up by described port manager and described smart card and are electrically connected, and wherein, described CPU comprises a dynamic password generation modules;
Described port manager is used to provide the communication interface of described smart card and CPU;
CPU is used for starting described dynamic password generation modules when receiving smart card reader to the read write command of described smart card, generates one group of dynamic password;
Described far-end server is used for regularly producing random cipher, and authenticates described dynamic password to verify whether described random cipher is consistent with the described dynamic password that generates synchronously.
2. smart card dynamic password Verification System according to claim 1 is characterized in that, described CPU also comprises a synchronous clock, is used to provide the time synchronized of described far-end server and CPU.
3. smart card dynamic password Verification System according to claim 1, it is characterized in that, when described random cipher was consistent with the dynamic password that generates synchronously, described CPU started described smart card by port manager, and described smart card carries out the read operation of data message.
4. smart card dynamic password Verification System according to claim 1, it is characterized in that, described system also comprises a display screen and button, and described CPU links to each other respectively with display screen, keyboard, and described button is used for controlling described display screen and whether shows described dynamic password.
5. smart card dynamic password Verification System according to claim 4 is characterized in that, described display screen also is used to show the result that reads of described intelligent card data information.
6. a smart card dynamic password authentication method is characterized in that, said method comprising the steps of:
When smart card reader carried out read-write operation to described smart card, the CPU that is connected with described smart card by a port manager received read write command synchronously, and the dynamic password generation modules among the described CPU is activated and generates one group of dynamic password;
Far-end server regularly produces random cipher, and receives synchronously and authenticate described dynamic password, verifies whether the dynamic password that described random cipher and described CPU generate synchronously is consistent.
7. smart card dynamic password authentication method according to claim 6, it is characterized in that, when described random cipher was consistent with the dynamic password that generates synchronously, described CPU started described smart card by described Port Management, and described smart card carries out the read operation of data message.
8. smart card dynamic password authentication method according to claim 7 is characterized in that, the time synchronized of described far-end server and CPU is finished by a synchronous clock.
9. smart card dynamic password authentication method according to claim 6 is characterized in that,
Described method also comprises:
One button and the display screen that is connected with described CPU respectively is provided, and when described button was pressed, described display screen showed described dynamic password.
10. smart card dynamic password authentication method according to claim 9 is characterized in that, described method comprises that also after intelligent card data information read and finishes, described display screen showed that described is the result that reads that can block data message.
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| CN102932146A (en) * | 2012-10-08 | 2013-02-13 | 天地融科技股份有限公司 | Electronic signature tool and system |
| CN103905388A (en) * | 2012-12-26 | 2014-07-02 | 中国移动通信集团广东有限公司 | Authentication method, authentication device, smart card, and server |
| CN103971139A (en) * | 2013-01-29 | 2014-08-06 | 上海易销电子商务有限公司 | IC-card remote operation system and method |
| CN104281952A (en) * | 2013-07-08 | 2015-01-14 | 北京旋极信息技术股份有限公司 | Dynamic password verification method |
| CN108599962A (en) * | 2018-05-08 | 2018-09-28 | 国网天津市电力公司 | A kind of switchgear house comprehensive entrance guard system and application method based on time synchronization dynamic password |
| CN109074574A (en) * | 2016-03-08 | 2018-12-21 | 格马尔托股份有限公司 | A method of by the clock jitter of server compensation card |
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| CN109074574A (en) * | 2016-03-08 | 2018-12-21 | 格马尔托股份有限公司 | A method of by the clock jitter of server compensation card |
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| CN102013026B (en) | 2016-06-01 |
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Effective date of registration: 20240530 Address after: 310000, No. 197 Golf Road, Dongzhou Street, Fuyang District, Hangzhou City, Zhejiang Province (1st and 3rd floors of Building 4) Patentee after: Zhejiang Yidian Technology Co.,Ltd. Country or region after: China Address before: Room 503, Building 3, No. 6, Xicheng Xi'an North Road, Xinluo District, Longyan City, Fujian Province, 364000 Patentee before: Xie Xinyong Country or region before: China |
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