CN101916351A - Smart card multi-protocol adaptive method and smart card - Google Patents
Smart card multi-protocol adaptive method and smart card Download PDFInfo
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Abstract
The embodiment of the invention discloses a smart card multi-protocol adaptive method and a smart card. A bit zone is stored in a memory of the smart card, and is used for storing characteristic values, so that the communication protocol types supported by the current smart card can be determined, wherein the characteristic values correspond to the communication protocol types supported by the smart card. The method comprises the following steps of: receiving a communication request of a terminal, wherein the communication protocol type supported by the terminal is a first communication protocol; modifying the bit zone to be a second characteristic value after the bit zone is read to be the first characteristic value; and re-reading the bit zone after the communication protocol type corresponding to the first characteristic value is determined to be not the first communication protocol. The method is suitable for adaption of the smart card among multiple protocols.
Description
Technical field
The present invention relates to technical field of intelligent card, particularly a kind of smart card multi-protocol adaptive method and smart card.
Background technology
Contactless smart card claims radio-frequency card again, is the product that REID and smart card techniques organically combine, and it has solved passive (non-transformer in the card) and has exempted to contact this difficult problem.Contactless smart card compare with bar code card, magnetic card, contact intelligent card have high security, high reliability, advantage such as convenient to use, be widely used in E-Payment, passage control, public transport charge, Car park payment, dining room and sell multiple occasions such as meal, work attendance and gate inhibition.
At present, the standard that contactless smart card is mainly followed is ISO14443, and according to the difference of carrier modulation mode, ISO14443 is divided into various communications protocols again, and communication protocol commonly used at present is TYPE A, TYPE B and TYPE C.Non-contact intelligent is stuck in after the initialization, and the communication protocol that it is supported will be fixed, and can not change again, and can only use on the read write line of supporting this communication protocol.For example: the communication protocol of supporting after the non-contact intelligent card initialization is TYPE A, and then this contactless smart card only can use on the read write line of supporting TYPE A, and can not use on the read write line of supporting other communication protocols.
In realizing process of the present invention, the inventor finds that there are the following problems at least in the prior art:
One non-contact smart card is only supported a kind of communication protocol, and can only use on the read write line of supporting same type communication protocol, and the versatility of contactless smart card is poor.
Summary of the invention
Embodiments of the invention provide a kind of smart card multi-protocol adaptive method and smart card, can improve the versatility of smart card.
The technical scheme that the embodiment of the invention adopts is:
A kind of smart card multi-protocol adaptive method, store zone bit in the storer of described smart card, described zone bit is used to store eigenwert, so that determine the communication protocol type that current smart card is supported, described eigenwert is corresponding one by one with the communication protocol type that described smart card is supported, described method comprises:
The communication request of receiving terminal, the communication protocol type of described terminal support are first communication protocol;
After reading described zone bit and being first eigenwert, revising described zone bit is second eigenwert;
After definite pairing communication protocol type of described first eigenwert is not first communication protocol, read zone bit again.
A kind of smart card comprises:
Storer is used for the storage mark position, and described zone bit is used to store eigenwert, so that determine the communication protocol type that current smart card is supported, described eigenwert is corresponding one by one with the communication protocol type that described smart card is supported;
Receiving element is used for the communication request of receiving terminal, and the communication protocol type of described terminal support is first communication protocol;
Reading unit, being used to read described zone bit is first eigenwert;
Revise the unit, being used to revise described zone bit is second eigenwert;
Determining unit is used for determining the pairing communication protocol type of described first eigenwert;
After described determining unit determined that the pairing communication protocol type of described first eigenwert is not first communication protocol, described reading unit read zone bit again.
Embodiment of the invention smart card multi-protocol adaptive method and smart card, store zone bit in the described smart card, described zone bit is used to store eigenwert, described eigenwert is corresponding one by one with the communication protocol type that described smart card is supported, after smart card receives the communication request of terminal that communication protocol type is first communication protocol, the zone bit that reads smart card is first eigenwert, and to revise described zone bit be second eigenwert, after definite pairing communication protocol type of described first eigenwert is not first communication protocol, read zone bit again.Compared with prior art, same sheet smart card can be supported various communications protocols, and can change between various communications protocols, adapting to the communication protocol that terminal is supported, thereby can improve the versatility of smart card.
Description of drawings
In order to be illustrated more clearly in the embodiment of the invention or technical scheme of the prior art, to do to introduce simply to the accompanying drawing of required use in embodiment or the description of the Prior Art below, apparently, accompanying drawing in describing below only is some embodiments of the present invention, for those of ordinary skills, under the prerequisite of not paying creative work, can also obtain other accompanying drawing according to these accompanying drawings.
The method flow diagram that Fig. 1 provides for the embodiment of the invention one;
The method flow diagram that Fig. 2 provides for the embodiment of the invention two;
The smart card architecture synoptic diagram that Fig. 3, Fig. 4 provide for the embodiment of the invention three.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the invention, the technical scheme in the embodiment of the invention is clearly and completely described, obviously, described embodiment only is the present invention's part embodiment, rather than whole embodiment.Based on the embodiment among the present invention, those of ordinary skills belong to the scope of protection of the invention not making all other embodiment that obtained under the creative work prerequisite.
For the advantage that makes technical solution of the present invention is clearer, the present invention is elaborated below in conjunction with drawings and Examples.
Embodiment one
Present embodiment provides a kind of smart card multi-protocol adaptive method, store zone bit in the storer of described smart card, described zone bit is used to store eigenwert, so that determine the communication protocol type that current smart card is supported, described eigenwert is corresponding one by one with the communication protocol type that described smart card is supported, as shown in Figure 1, described method comprises:
101, the communication request of receiving terminal, the communication protocol type of described terminal support are first communication protocol.
102, after reading described zone bit and being first eigenwert, revising described zone bit is second eigenwert.
103, after definite pairing communication protocol type of described first eigenwert is not first communication protocol, read zone bit again.
Embodiment of the invention smart card multi-protocol adaptive method, store zone bit in the described smart card, described zone bit is used to store eigenwert, described eigenwert is corresponding one by one with the communication protocol type that described smart card is supported, after smart card receives the communication request of terminal that communication protocol type is first communication protocol, the zone bit that reads smart card is first eigenwert, and to revise described zone bit be second eigenwert, after definite pairing communication protocol type of described first eigenwert is not first communication protocol, read zone bit again.Compared with prior art, same sheet smart card can be supported various communications protocols, and can change between various communications protocols, adapting to the communication protocol that terminal is supported, thereby can improve the versatility of smart card.
Embodiment two
Present embodiment provides a kind of smart card multi-protocol adaptive method, in the present embodiment, stores zone bit in the smart card, and this zone bit is used to store eigenwert, so that determine the communication protocol type that current smart card is supported.In the present embodiment, this zone bit has two eigenwerts: 0 and 1, and the communication protocol type corresponding with eigenwert 0 is TYPE A; The communication protocol type corresponding with eigenwert 1 is TYPE B.
As shown in Figure 2, described smart card multi-protocol adaptive method comprises:
201, the communication request of receiving terminal transmission, the communication protocol type of described terminal support is TYPE A.
202, read the eigenwert of described zone bit among the EEPROM (Electrically Erasable Programmable Read-OnlyMemory, EEPROM (Electrically Erasable Programmable Read Only Memo)) by self.
Optionally, described zone bit can have a plurality of eigenwerts, and described eigenwert can be multidigit, and for example: described zone bit has four eigenwerts, and described eigenwert is two, and described eigenwert can be 00,01,10 and 11.When this eigenwert was 00, the communication protocol type of described smart card support was TYPE A; When this eigenwert was 01, the communication protocol type of described smart card support was TYPE B; When this eigenwert was 10, the communication protocol type of described smart card support was TYPE C; When this eigenwert was 11, the communication protocol type of described smart card support was TYPE D.
The eigenwert of the zone bit that 203, reads is first eigenwert, and described first eigenwert is temporary in the register.
204, described zone bit is revised as second eigenwert by first eigenwert.
Particularly, when described zone bit had two eigenwerts, if described first eigenwert is 0, then amended second eigenwert was 1; If described first eigenwert is 1, then amended second eigenwert is 0.
Optionally, when described zone bit has two above eigenwerts, when described first eigenwert is rewritten, described first eigenwert is rewritten according to default rule.For example: if described first eigenwert is 00, then amended second eigenwert is 01; If described first eigenwert is 01, then amended second eigenwert is 10; If described first eigenwert is 10, then amended second eigenwert is 11; If described first eigenwert is 11, then amended second eigenwert is 00.
Certainly, the mode of revising described first eigenwert is not limited thereto, and also can carry out according to Else Rule.
205, determine whether the pairing communication protocol type of first eigenwert temporary in the described register is TYPE A, if not, execution in step 206, if, execution in step 207.
Particularly, if the first temporary eigenwert is 0 in the register, then Dui Ying communication protocol type is TYPEA; If first temporary in the register eigenwert is 1, then Dui Ying communication protocol type is TYPE B.
206, first temporary in the described register eigenwert is removed, returned step 202.
207, communicate according to TYPE A and described terminal, and first temporary in the described register eigenwert is removed.
In the present embodiment, described terminal can be read write line, but is not limited only to this.
Embodiment of the invention smart card multi-protocol adaptive method, store zone bit in the described smart card, described zone bit is used to store eigenwert, described eigenwert is corresponding one by one with the communication protocol type that described smart card is supported, after smart card receives the communication request of terminal that communication protocol type is first communication protocol, the zone bit that reads smart card is first eigenwert, and to revise described zone bit be second eigenwert, after definite pairing communication protocol type of described first eigenwert is not first communication protocol, read zone bit again; After definite pairing communication protocol type of described first eigenwert is first communication protocol, communicate according to described first communication protocol and described terminal.Compared with prior art, same sheet smart card can be supported various communications protocols, and can change between various communications protocols, adapting to the communication protocol that terminal is supported, thereby can improve the versatility of smart card; Same sheet smart card can use on the terminal of supporting dissimilar communication protocols, thereby can save cost, reduces the waste of resource.
Embodiment three
Present embodiment provides a kind of smart card, and as shown in Figure 3, described smart card comprises:
Described storer 301 can be EEPROM, but is not limited only to this;
Wherein, described eigenwert is used for the communication protocol type that this smart card of mark is supported, the communication protocol type that the different characteristic value is corresponding different.This eigenwert can be 0 or 1, and when this eigenwert was 0, the communication protocol type of described smart card support was TYPE A; When this eigenwert was 1, the communication protocol type of described smart card support was TYPE B.
Optionally, described zone bit can have a plurality of eigenwerts, and this eigenwert can be multidigit, and for example: described zone bit has four eigenwerts, and described eigenwert is two, and described eigenwert can be 00,01,10 and 11.When this eigenwert was 00, the communication protocol type of described smart card support was TYPE A; When this eigenwert was 01, the communication protocol type of described smart card support was TYPE B; When this eigenwert was 10, the communication protocol type of described smart card support was TYPE C; When this eigenwert was 11, the communication protocol type of described smart card support was TYPE D.
Receiving element 302 is used for the communication request of receiving terminal, and the communication protocol type of described terminal support is first communication protocol;
Wherein, described terminal can be read write line, but is not limited only to this.
Revise unit 304, being used to revise described zone bit is second eigenwert;
Determining unit 305 is used for determining the pairing communication protocol type of described first eigenwert;
After described determining unit 305 determined that the pairing communication protocol type of described first eigenwert is not first communication protocol, described reading unit 303 read zone bit again.
Further, after described determining unit 305 determined that the pairing communication protocol type of described first eigenwert is first communication protocol, described smart card communicated according to described first communication protocol and described terminal.
Further, as shown in Figure 4, described smart card can also comprise:
Further, as shown in Figure 4, described smart card can also comprise:
Particularly, after described determining unit 305 determines that the pairing communication protocol type of described first eigenwert is not first communication protocol, described clearing cell 307 is removed described first eigenwert temporary in the described register 306, and described reading unit 303 reads zone bit again.
After described determining unit 305 determines that the pairing communication protocol type of described first eigenwert is first communication protocol, described smart card communicates according to described first communication protocol and described terminal, and described clearing cell 307 is removed described first eigenwert temporary in the described register 306.
When the storage mark position had two eigenwerts in the described storer 301, described modification unit 304 specifically was used for described first eigenwert 0 is revised as second eigenwert 1, perhaps, described first eigenwert 1 is revised as second eigenwert 0.
When the zone bit of storage in the described storer 301 had two above eigenwerts, described modification unit 304 specifically was used for described first eigenwert is rewritten according to default rule.
For example: if described first eigenwert is 00, then amended second eigenwert is 01; If described first eigenwert is 01, then amended second eigenwert is 10; If described first eigenwert is 10, then amended second eigenwert is 11; If described first eigenwert is 11, then amended second eigenwert is 00.
Certainly, the mode of revising described first eigenwert is not limited thereto, and also can carry out according to Else Rule.
Embodiment of the invention smart card, store zone bit in the described smart card, described zone bit is used to store eigenwert, described eigenwert is corresponding one by one with the communication protocol type that described smart card is supported, after smart card receives the communication request of terminal that communication protocol type is first communication protocol, the zone bit that reads smart card is first eigenwert, and to revise described zone bit be second eigenwert, after definite pairing communication protocol type of described first eigenwert is not first communication protocol, read zone bit again; After definite pairing communication protocol type of described first eigenwert is first communication protocol, communicate according to described first communication protocol and described terminal.Compared with prior art, same sheet smart card can be supported various communications protocols, and can change between various communications protocols, adapting to the communication protocol that terminal is supported, thereby can improve the versatility of smart card; Same sheet smart card can use on the terminal of supporting dissimilar communication protocols, thereby can save cost, reduces the waste of resource.
The above-mentioned method embodiment that provides can be provided the smart card that the embodiment of the invention provides.Smart card multi-protocol adaptive method that the embodiment of the invention provides and smart card go for non-contact intelligent and are stuck in and carry out self-adaptation between the multi-protocols, but are not limited only to this.
One of ordinary skill in the art will appreciate that all or part of flow process that realizes in the foregoing description method, be to instruct relevant hardware to finish by computer program, described program can be stored in the computer read/write memory medium, this program can comprise the flow process as the embodiment of above-mentioned each side method when carrying out.Wherein, described storage medium can be magnetic disc, CD, read-only storage memory body (Read-Only Memory, ROM) or at random store memory body (Random Access Memory, RAM) etc.
The above; only be the specific embodiment of the present invention, but protection scope of the present invention is not limited thereto, anyly is familiar with those skilled in the art in the technical scope that the present invention discloses; the variation that can expect easily or replacement all should be encompassed within protection scope of the present invention.Therefore, protection scope of the present invention should be as the criterion with the protection domain of claim.
Claims (8)
1. smart card multi-protocol adaptive method, it is characterized in that, store zone bit in the storer of described smart card, described zone bit is used to store eigenwert, so that determine the communication protocol type that current smart card is supported, described eigenwert is corresponding one by one with the communication protocol type that described smart card is supported, described method comprises:
The communication request of receiving terminal, the communication protocol type of described terminal support are first communication protocol;
After reading described zone bit and being first eigenwert, revising described zone bit is second eigenwert;
After definite pairing communication protocol type of described first eigenwert is not first communication protocol, read zone bit again.
2. method according to claim 1 is characterized in that, also comprises:
After definite pairing communication protocol type of described first eigenwert is first communication protocol, communicate according to described first communication protocol and described terminal.
3. method according to claim 1 is characterized in that, reads after zone bit is first eigenwert described, also comprises:
Described first eigenwert that reads is temporary in the register.
4. method according to claim 3 is characterized in that, after the communication protocol type of described definite described first eigenwert correspondence, also comprises:
Described first eigenwert temporary in the described register is removed.
5. a smart card is characterized in that, comprising:
Storer is used for the storage mark position, and described zone bit is used to store eigenwert, so that determine the communication protocol type that current smart card is supported, described eigenwert is corresponding one by one with the communication protocol type that described smart card is supported;
Receiving element is used for the communication request of receiving terminal, and the communication protocol type of described terminal support is first communication protocol;
Reading unit, being used to read described zone bit is first eigenwert;
Revise the unit, being used to revise described zone bit is second eigenwert;
Determining unit is used for determining the pairing communication protocol type of described first eigenwert;
After described determining unit determined that the pairing communication protocol type of described first eigenwert is not first communication protocol, described reading unit read zone bit again.
6. smart card according to claim 5 is characterized in that, after described determining unit determines that the pairing communication protocol type of described first eigenwert is first communication protocol, communicates according to described first communication protocol and described terminal.
7. smart card according to claim 5 is characterized in that, also comprises:
Register is used for described first eigenwert that temporary described reading unit reads.
8. smart card according to claim 7 is characterized in that, also comprises:
Clearing cell is used for described first eigenwert that described register is temporary and removes.
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| CN104378348A (en) * | 2014-09-17 | 2015-02-25 | 酷派软件技术（深圳）有限公司 | Data link authentication method and device |
| CN107516055A (en) * | 2017-07-12 | 2017-12-26 | 飞天诚信科技股份有限公司 | A kind of non-contact card for supporting multi-protocols, non-switched letter method and system |
| CN110210597A (en) * | 2019-07-02 | 2019-09-06 | 金邦达有限公司 | Smart card and communications protocol switching method |
| CN111506477A (en) * | 2020-04-16 | 2020-08-07 | Oppo广东移动通信有限公司 | Log capture method and device of touch screen and mobile terminal |
| CN114827302A (en) * | 2022-04-06 | 2022-07-29 | 广东万颗子智控科技有限公司 | Communication protocol adaptation method, device, equipment and storage medium |
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| CN114827302B (en) * | 2022-04-06 | 2024-03-12 | 广东万颗子智控科技有限公司 | Communication protocol adaptation method, device, equipment and storage medium |
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