CN103178906A - Communication system and communication method - Google Patents
Communication system and communication method Download PDFInfo
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- CN103178906A CN103178906A CN2011104346645A CN201110434664A CN103178906A CN 103178906 A CN103178906 A CN 103178906A CN 2011104346645 A CN2011104346645 A CN 2011104346645A CN 201110434664 A CN201110434664 A CN 201110434664A CN 103178906 A CN103178906 A CN 103178906A
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Abstract
The invention relates to a communication system and a communication method. The communication system comprises a first communication device and a second communication device, the starting and closing of a data exchange channel of the first communication device and the second communication device are controlled through an optical communication channel, and the data exchange of the first communication device and the second communication device is performed through the data exchange channel. The first communication device includes an optical signal transmitter and a first data exchange module. The second communication device includes an optical signal receiver and a second data exchange module. According to the communication system and the communication method, the optical communication channel is used for authentication, data integrity verification and the control of the data exchange of the data exchange channel, so that the security of the data exchange is improved. Particularly, the communication system provides a new way to solve the problem of short-range communication by opening a new communication channel which is the optical communication channel in the short-range communication.
Description
Technical field
The present invention relates to the communications field, relate in particular to a kind of communication system and communication means.
Background technology
Smart card market presents the situation with geometric growth in recent years.Smart card with its distinctive simple to operate, with low cost, a plurality of fields such as being widely used in finance, medical treatment, traffic, telecommunications are easy to carry.Yet there is safety problem in smart card and card reader reciprocal process.Illegal molecule utilizes legal card reader in the situation that the confidential data of holder's the unknown in attempting to read smart card, and the information of transmitting between smart card and card reader may be distorted by the third party in channel or because the third party disturbs, the transmission of data be changed.
Summary of the invention
Technical problem to be solved by this invention is to provide a kind of communication system and communication means, improves the fail safe of data interaction.
For solving the problems of the technologies described above, the present invention proposes a kind of communication system, comprise the first communication equipment and second communication equipment, described the first communication equipment and described second communication equipment are controlled the opening and closing of data exchange channel by optical communication path, carry out exchanges data by data exchange channel, wherein:
The first communication equipment comprises:
Optical signal transmitter, for generation of and launch light signal;
The first data exchange module is used for carrying out exchanges data with the second data exchange module;
Second communication equipment comprises:
Optical signal receiver is used for receiving and resolving light signal, and is used for determining whether to open the second data exchange module according to the light signal analysis result;
The second data exchange module is used for carrying out exchanges data with the first data exchange module.
Further, above-mentioned communication system also can have following characteristics,
Described optical signal transmitter comprises: the first modulating unit is used for authentication information is loaded into light signal;
Described optical signal receiver comprises:
The first acquiring unit is used for obtaining authentication information from the light signal that described optical signal receiver receives;
The first resolution unit, the authentication information that is used for obtaining according to described the first acquiring unit carries out authentication to described the first communication equipment;
The first control unit is used for determining whether to open described the second data exchange module according to the identity authentication result of described the first resolution unit.
Further, above-mentioned communication system also can have following characteristics, comprises the physics access authority information in described authentication information.
Further, above-mentioned communication system also can have following characteristics,
Described optical signal transmitter comprises: the second modulating unit is used for data integrity verifying information is loaded into light signal;
Described optical signal receiver comprises:
Second acquisition unit is used for obtaining data integrity verifying information from the light signal that described optical signal receiver receives;
The second resolution unit, the data integrity verifying information that is used for obtaining according to described second acquisition unit is carried out integrity verification to the data that described the second data exchange module receives.
Further, above-mentioned communication system also can have following characteristics, described optical signal receiver also comprises: the second control unit is used for determining whether to ask described the first data exchange module to retransmit the data of this transmission according to the result of described the second resolution unit.
Further, above-mentioned communication system also can have following characteristics, and described the first communication equipment is card reader, and described second communication equipment is IC-card.
Further, above-mentioned communication system also can have following characteristics, and described the first data exchange module, described the second data exchange module are radio-frequency communication module.
Further, above-mentioned communication system also can have following characteristics, and described the first data exchange module, described the second data exchange module are the contact communication module.
Further, above-mentioned communication system also can have following characteristics, and described second communication equipment is IC-card, and described optical signal receiver is placed in the IC-card card of IC-card chip internal or IC-card chip exterior.
For solving the problems of the technologies described above, the invention allows for a kind of communication means, be applied to comprise the communication system of the first communication equipment and second communication equipment, comprising:
Described the first communication equipment and described second communication equipment are controlled the opening and closing of data exchange channel by optical communication path;
Described the first communication equipment and described second communication equipment carry out exchanges data by data exchange channel.
Further, above-mentioned communication means also can have following characteristics, and described the first communication equipment and described second communication equipment are by the integrality of optical communication path checking data interchange channel institute the transmission of data.
Further, above-mentioned communication means also can have following characteristics, and the opening and closing that described the first communication equipment and described second communication equipment are controlled data exchange channel by optical communication path comprise:
Described the first communication equipment sends authentication information by optical communication path to described second communication equipment;
Described second communication equipment receives described authentication information by optical communication path;
Described second communication equipment carries out authentication according to described authentication information to described the first communication equipment;
Described second communication equipment determines whether the turn-on data interchange channel according to identity authentication result.
Further, above-mentioned communication means also can have following characteristics, comprises the physics access authority information in described authentication information.
Further, above-mentioned communication means also can have following characteristics, and described the first communication equipment and described second communication equipment comprise by the integrality of optical communication path checking data interchange channel institute the transmission of data:
Described the first communication equipment by optical communication path to described second communication equipment sending data integrity check information;
Described second communication equipment receives described data integrity verifying information by optical communication path;
The data that described second communication equipment receives the data interchange channels according to described data integrity verifying information are carried out the data integrity checking.
Further, above-mentioned communication means also can have following characteristics, and described the first communication equipment and described second communication equipment also comprise by the integrality of optical communication path checking data interchange channel institute the transmission of data:
Described second communication equipment determines whether to ask described the first communication equipment to retransmit the data of this transmission according to the data integrity the result.
Further, above-mentioned communication means also can have following characteristics, and described the first communication equipment is card reader, and described second communication equipment is IC-card.
Further, above-mentioned communication means also can have following characteristics, and described data exchange channel is radio communication passage or contact communication port.
For solving the problems of the technologies described above, the invention allows for a kind of communication equipment, comprising:
Optical signal transmitter, for generation of and launch light signal;
The first data exchange module is used for carrying out exchanges data by data exchange channel.
Further, above-mentioned communication equipment also can have following characteristics, and described optical signal transmitter comprises: the first modulating unit is used for authentication information is loaded into light signal.
Further, above-mentioned communication equipment also can have following characteristics, comprises the physics access authority information in described authentication information.
Further, above-mentioned communication equipment also can have following characteristics, and described optical signal transmitter comprises: the second modulating unit is used for data integrity verifying information is loaded into light signal.
Further, above-mentioned communication equipment also can have following characteristics, and described communication equipment is card reader.
Further, above-mentioned communication equipment also can have following characteristics, and described the first data exchange module is radio-frequency communication module or contact communication module.
For solving the problems of the technologies described above, the invention allows for a kind of communication equipment, comprising:
Optical signal receiver is used for receiving and resolving light signal, and is used for determining whether to open the second data exchange module according to the light signal analysis result;
The second data exchange module is used for carrying out exchanges data by data exchange channel.
Further, above-mentioned communication equipment also can have following characteristics, and described optical signal receiver comprises:
The first acquiring unit is used for obtaining authentication information from the light signal that described optical signal receiver receives;
The first resolution unit is used for the authentication information that obtains according to described the first acquiring unit the transmitting apparatus of described authentication information is carried out authentication;
The first control unit is used for determining whether to open described the second data exchange module according to the identity authentication result of described the first resolution unit.
Further, above-mentioned communication equipment also can have following characteristics, and described optical signal receiver comprises:
Second acquisition unit is used for obtaining data integrity verifying information from the light signal that described optical signal receiver receives;
The second resolution unit, the data that the data integrity verifying information that is used for obtaining according to described second acquisition unit receives described the second data exchange module are carried out the data integrity checking.
Further, above-mentioned communication equipment also can have following characteristics, and described optical signal receiver also comprises:
The second control unit is for determine whether the data of this transmission of request repeat according to the data integrity the result of described the second resolution unit.
Further, above-mentioned communication equipment also can have following characteristics, and described communication equipment is IC-card.
Further, above-mentioned communication equipment also can have following characteristics, and described the second data exchange module is radio-frequency communication module or contact communication module.
For solving the problems of the technologies described above, the invention allows for a kind of communication connecting method, comprising:
Receive authentication information by optical communication path;
According to described authentication information, the transmitting apparatus of described authentication information is carried out authentication;
Determine whether to set up the connection of data exchange channel according to identity authentication result.
For solving the problems of the technologies described above, the invention allows for a kind of communication means, comprising:
By optical communication path receive data integrity check information;
Carry out the data integrity checking according to the data that described data integrity verifying information receives the data interchange channels.
Further, above-mentioned communication means also can have following characteristics, also comprises: according to data integrity the result specified data interchange channel whether proceeding exchanges data.
Communication system of the present invention and communication means carry out authentication and data integrity verifying by optical communication path, and the data interaction of data interchange channels is controlled, and have improved the fail safe of data interaction.Particularly, communication system of the present invention has been opened up a new communication port in short-range communication, and namely optical communication path, provide a kind of new way for solving the short-range communication problem.
Description of drawings
Fig. 1 is the structured flowchart of communication system in the embodiment of the present invention;
Fig. 2 is a kind of structured flowchart of optical signal transmitter 110 and optical signal receiver 210 in Fig. 1;
Fig. 3 is the another kind of structured flowchart of optical signal transmitter 110 and optical signal receiver 210 in Fig. 1;
Fig. 4 is a kind of structured flowchart of communication equipment in the embodiment of the present invention;
Fig. 5 is the another kind of structured flowchart of communication equipment in the embodiment of the present invention.
Embodiment
Below in conjunction with accompanying drawing, principle of the present invention and feature are described, example only is used for explaining the present invention, is not be used to limiting scope of the present invention.
Fig. 1 is the structured flowchart of communication system in the embodiment of the present invention.As shown in Figure 1, in the present embodiment, communication system comprises the first communication equipment 10 and second communication equipment 20.The first communication equipment 10 and second communication equipment 20 are controlled the opening and closing of data exchange channel by optical communication path, carry out exchanges data by data exchange channel.Wherein, the first communication equipment 10 comprises optical signal transmitter 110 and the first data exchange module 120.Optical signal transmitter 110 for generation of and launch light signal.The first data exchange module 120 is used for carrying out exchanges data with the second data exchange module.Second communication equipment 20 comprises optical signal receiver 210 and the second data exchange module 220.Optical signal receiver 210 is used for receiving and resolving light signal, and is used for determining whether to open the second data exchange module according to the light signal analysis result.The second data exchange module 220 is used for carrying out exchanges data with the first data exchange module 120.
In an embodiment of communication system of the present invention, the first communication equipment 10 can be card reader, and second communication equipment 20 can be IC-card.At this moment, communication system of the present invention is a kind of communication system for short-range communication.Wherein, IC-card can be the smart cards such as SIM card, usim card or UIM card, can be also the storage cards such as SD card, mmc card.
When second communication equipment 20 is IC-card, optical signal receiver 210 can be placed in the IC-card chip internal, also can be placed on the IC-card card of IC-card chip exterior, optical signal receiver 210 separated with the IC-card chip but was connected and is packaged in IC-card with the IC-card chip by wire this moment.
Wherein, the first data exchange module and the second data exchange module can be all radio-frequency communication module, for example bluetooth communication, Wi-Fi communication module, Zigbee communication module, UWB(Ultra Wideband, super wideband wireless transmission) communication module etc.At this moment, data exchange channel is the radio communication passage.
Wherein, the first data exchange module and the second data exchange module can be all the contact communication module.At this moment, data exchange channel is the contact communication port.
Fig. 2 is a kind of structured flowchart of optical signal transmitter 110 and optical signal receiver 210 in Fig. 1.As shown in Figure 2, in the present embodiment, optical signal transmitter 110 can comprise the first modulating unit 111.The first modulating unit 111 is used for authentication information is loaded into light signal.Wherein, can comprise the physics access authority information in authentication information.According to the physical access authority information, second communication equipment 20 can determine whether to provide for the first communication equipment 10 access of sensitive data.Again as shown in Figure 2, when optical signal transmitter 110 comprised the first modulating unit 111, optical signal receiver 210 can comprise the first acquiring unit 211, the first resolution unit 212 and the first control unit 213.The first acquiring unit 211 is used for obtaining authentication information from the light signal that optical signal receiver 210 receives.The authentication information that the first resolution unit 212 is used for obtaining according to the first acquiring unit 211 carries out authentication to the first communication equipment 10.The first control unit 213 is used for determining whether to open the second data exchange module 220 according to the identity authentication result of the first resolution unit 212.If the identity authentication result of the first resolution unit 212 is legal, open the second data exchange module 220, make the second data exchange module 220 be in normal operating conditions; If the identity authentication result of the first resolution unit 212 is illegal, close the second data exchange module 220, make the second data exchange module 220 be in non operating state.
Fig. 3 is the another kind of structured flowchart of optical signal transmitter 110 and optical signal receiver 210 in Fig. 1.As shown in Figure 3, in the present embodiment, optical signal transmitter 110 can comprise the second modulating unit 112.The second modulating unit 112 is used for data integrity verifying information is loaded into light signal.When optical signal transmitter 110 comprised the second modulating unit 112, optical signal receiver 210 can comprise second acquisition unit 214 and the second resolution unit 215.Second acquisition unit 214 is used for obtaining data integrity verifying information from the light signal of optical signal receiver reception 210.The data integrity verifying information that the second resolution unit 215 is used for obtaining according to second acquisition unit 214 is carried out the data integrity checking to the data that the second data exchange module 220 receives.The data integrity checking can be parity check, MD5 verification, checksummat, the BCC(Block Check Character that commonly uses, information group check code), CRC(Cyclic Redundancy Check, cyclic redundancy check (CRC)), LRC(Longitudinal Redundancy Check, LRC) method of calibration such as, but be not limited to these methods of calibration.
Again as shown in Figure 3, in the present embodiment, optical signal receiver 210 can also comprise the second control unit 216.The second control unit 216 is used for determining whether to ask the first data exchange module 120 to retransmit the data of this transmission according to the data integrity the result of the second resolution unit 215.If the data integrity the result of the second resolution unit 215 is data integrity, do not need to ask the first data exchange module 120 to retransmit the data of this transmission, proceed the transmission of data next time.If the data integrity the result of the second resolution unit 215 is that data are imperfect, ask the first data exchange module 120 to retransmit the data of this transmission, after this secondary data is transmitted again, the second modulation module 112 is loaded into data integrity verifying information in light signal again, and second communication module 20 carries out completeness check to the data that retransmit again.
Communication system of the present invention is carried out authentication and data integrity verifying by optical communication path, and the data interaction of data interchange channels is controlled, and has improved the fail safe of data interaction.Particularly, communication system of the present invention has been opened up a new communication port in short-range communication, and namely optical communication path, provide a kind of new way for solving the short-range communication problem.
The invention allows for a kind of communication means, this communication means is applied to comprise the communication system of the first communication equipment and second communication equipment, for example communication system shown in Figure 1.This communication means comprises:
Step a, the first communication equipment and second communication equipment are controlled the opening and closing of data exchange channel by optical communication path;
Wherein, the first communication equipment can be card reader, and second communication equipment can be IC-card.
Wherein, data exchange channel can be radio communication passage or contact communication port.
Step b, the first communication equipment and second communication equipment carry out exchanges data by data exchange channel.
This communication means can also comprise:
Step c, the first communication equipment and second communication equipment are by the integrality of optical communication path checking data interchange channel institute the transmission of data.
Wherein, step a can comprise the steps:
Step a1, the first communication equipment sends authentication information by optical communication path to second communication equipment;
Wherein, can comprise the physics access authority information in authentication information.
Step a2, second communication equipment receives by optical communication path the authentication information that the first communication equipment sends;
Step a3, second communication equipment carries out authentication according to authentication information to the first communication equipment;
The identity of Hash Value checking first communication equipment that for example, can obtain according to model and unique sequence number of the first communication equipment.
Step a4, second communication equipment determines whether the turn-on data interchange channel according to identity authentication result.
If identity authentication result is legal, second communication opening of device data exchange channel, otherwise if identity authentication result is illegal, second communication equipment makes data exchange channel keep closed condition.
Wherein, step b can comprise the steps:
Step b1, the first communication equipment by optical communication path to second communication equipment sending data integrity check information;
Step b2, second communication equipment receives by optical communication path the data integrity verifying information that the first communication equipment sends;
Step b3, the data that second communication equipment receives the data interchange channels according to data integrity verifying information are carried out the data integrity checking.
Data integrity checking can be the methods of calibration such as the parity check commonly used, MD5 verification, checksummat, BCC, CRC, LRC, but is not limited to these methods of calibration.
Verify by data integrity, just can know that the information of transmitting between the first communication equipment and second communication equipment has and do not distorted by the third party or because the third party disturbs, the data of transmission changed in channel, in order to according to circumstances take timely measure, avoid damage.
Further, step b can also comprise:
Step b4, whether second communication equipment proceeds exchanges data according to data integrity the result specified data interchange channel.
If the data integrity the result is data integrity, the transmission of data does not suffer that the third party distorts, and proceeds transfer of data and exchange.Otherwise, if the data integrity the result is that data are imperfect, illustrate that change has occured data in transmitting procedure, no longer original the transmission of data, need to ask the first communication equipment retransmission data, and after receiving data retransmission, the integrality of these data is verified again.
The communication means of the embodiment of the present invention carries out authentication and data integrity verifying by optical communication path, the data interaction of data interchange channels is controlled, thereby can be improved the fail safe of data interaction.Particularly, communication means of the present invention has been opened up a new communication port in short-range communication, and namely optical communication path, provide a kind of new way for solving the short-range communication problem.
The invention allows for a kind of communication equipment.Fig. 4 is a kind of structured flowchart of communication equipment in the embodiment of the present invention.The first communication equipment 10 shown in Figure 4 is the first communication equipment 10 in communication system shown in Figure 1.As shown in Figure 4, in the present embodiment, the first communication equipment 10 comprises optical signal transmitter 110 and the first data exchange module 120.Optical signal transmitter 110 for generation of and launch light signal.The first data exchange module 120 is used for carrying out exchanges data by data exchange channel.
The first communication equipment 10 can be card reader.
Wherein, the first data exchange module 120 can be radio-frequency communication module or contact communication module.
As previously mentioned, optical signal transmitter 110 can comprise the first modulating unit 111.The first modulating unit 111 is used for authentication information is loaded into light signal.Wherein, can comprise the physics access authority information in authentication information.Can also comprise in optical signal transmitter 110 that the second modulating unit 112 is used for data integrity verifying information is loaded into light signal.
The communication equipment of the embodiment of the present invention is controlled the data interaction of data interchange channels by optical communication path, has improved the fail safe of data interaction.Particularly, communication equipment of the present invention has been opened up a new communication port in short-range communication, and namely optical communication path, provide a kind of new way for solving the short-range communication problem.
Fig. 5 is the another kind of structured flowchart of communication equipment in the embodiment of the present invention.Second communication equipment 20 shown in Figure 5 is the second communication equipment 20 in communication system shown in Figure 1.As shown in Figure 5, in the present embodiment, second communication equipment 20 comprises optical signal receiver 210 and the second data exchange module 220.Optical signal receiver 210 is used for receiving and resolve light signal, and determines whether to open the second data exchange module 220 according to the light signal analysis result.The second data exchange module 220 is used for carrying out exchanges data by data exchange channel.
Wherein, second communication equipment 20 can be IC-card.The second data exchange module 220 can be radio-frequency communication module or contact communication module.
As previously mentioned, optical signal receiver 210 can comprise the first acquiring unit 211, the first resolution unit 212 and the first control unit 213.The first acquiring unit 211 is used for obtaining authentication information from the light signal that optical signal receiver 210 receives.The first resolution unit 212 is used for the authentication information that obtains according to the first acquiring unit 211 transmitting apparatus of authentication information is carried out authentication.The first control unit 213 is used for determining whether to open the second data exchange module 220 according to the identity authentication result of the first resolution unit 212.If the identity authentication result of the first resolution unit 212 is legal, open the second data exchange module 220, make the second data exchange module 220 be in normal operating conditions; If the identity authentication result of the first resolution unit 212 is illegal, close the second data exchange module 220, make the second data exchange module 220 be in non operating state.
As previously mentioned, optical signal receiver 210 can also comprise second acquisition unit 214 and the second resolution unit 215.Second acquisition unit 214 is used for obtaining data integrity verifying information from the light signal of optical signal receiver reception 210.The data integrity verifying information that the second resolution unit 215 is used for obtaining according to second acquisition unit 214 is carried out the data integrity checking to the data that the second data exchange module 220 receives.Optical signal receiver 210 can also comprise the second control unit 216.The second control unit 216 is used for determining whether to allow the second data exchange module 220 to proceed exchanges data according to the data integrity the result of the second resolution unit 215.If the data integrity the result of the second resolution unit 215 is data integrity, do not need to ask the first data exchange module 120 to retransmit the data of this transmission, proceed the transmission of data next time.If the data integrity the result of the second resolution unit 215 is that data are imperfect, the data of this transmission of request repeat, after this secondary data is transmitted again, then carry out completeness check to the data that retransmit.
Wherein, data integrity checking can be the methods of calibration such as the parity check commonly used, MD5 verification, checksummat, BCC, CRC, LRC, but is not limited to these methods of calibration.
The communication equipment of the embodiment of the present invention is controlled the data interaction of data interchange channels by optical communication path, has improved the fail safe of data interaction.Particularly, communication equipment of the present invention has been opened up a new communication port in short-range communication, and namely optical communication path, provide a kind of new way for solving the short-range communication problem.
The invention allows for a kind of communication connecting method, this communication means can be applied to second communication equipment 20 shown in Figure 5.This communication connecting method comprises:
Receive authentication information by optical communication path;
According to the authentication information that receives, the transmitting apparatus of this authentication information is carried out authentication;
Determine whether to set up the connection of data exchange channel according to identity authentication result.If identity authentication result is legal, the connection of setting up data exchange channel allows to carry out exchanges data.Otherwise if identity authentication result is illegal, the connection of not setting up data exchange channel does not allow to carry out exchanges data.
The communication connecting method of the embodiment of the present invention is set up the connection of data interchange channels by optical communication path and is controlled, and has improved the fail safe of data interaction.And communication connecting method of the present invention has been opened up a new communication port in short-range communication, and namely optical communication path, provide a kind of new way for solving the short-range communication problem.
The invention allows for a kind of communication means, this communication means can be applied to second communication equipment 20 shown in Figure 5.This communication means comprises:
By optical communication path receive data integrity check information;
Carry out the data integrity checking according to the data that data integrity verifying information receives the data interchange channels.
This communication means can further include:
According to data integrity the result specified data interchange channel whether retransmitting the transmission of data.
The communication means of the embodiment of the present invention carries out verification by optical communication path to the integrality of the transfer of data of data interchange channels, has improved the fail safe of data interaction.And communication connecting method of the present invention has been opened up a new communication port in short-range communication, and namely optical communication path, provide a kind of new way for solving the short-range communication problem.
The above is only preferred embodiment of the present invention, and is in order to limit the present invention, within the spirit and principles in the present invention not all, any modification of doing, is equal to replacement, improvement etc., within all should being included in protection scope of the present invention.
Claims (32)
1. communication system, it is characterized in that, comprise the first communication equipment and second communication equipment, described the first communication equipment and described second communication equipment are controlled the opening and closing of data exchange channel by optical communication path, carry out exchanges data by data exchange channel, wherein:
The first communication equipment comprises:
Optical signal transmitter, for generation of and launch light signal;
The first data exchange module is used for carrying out exchanges data with the second data exchange module;
Second communication equipment comprises:
Optical signal receiver is used for receiving and resolving light signal, and is used for determining whether to open the second data exchange module according to the light signal analysis result;
The second data exchange module is used for carrying out exchanges data with the first data exchange module.
2. communication system according to claim 1, is characterized in that,
Described optical signal transmitter comprises: the first modulating unit is used for authentication information is loaded into light signal;
Described optical signal receiver comprises:
The first acquiring unit is used for obtaining authentication information from the light signal that described optical signal receiver receives;
The first resolution unit, the authentication information that is used for obtaining according to described the first acquiring unit carries out authentication to described the first communication equipment;
The first control unit is used for determining whether to open described the second data exchange module according to the identity authentication result of described the first resolution unit.
3. communication system according to claim 2, is characterized in that, comprises the physics access authority information in described authentication information.
4. communication system according to claim 1, is characterized in that,
Described optical signal transmitter comprises: the second modulating unit is used for data integrity verifying information is loaded into light signal;
Described optical signal receiver comprises:
Second acquisition unit is used for obtaining data integrity verifying information from the light signal that described optical signal receiver receives;
The second resolution unit, the data integrity verifying information that is used for obtaining according to described second acquisition unit is carried out integrity verification to the data that described the second data exchange module receives.
5. communication system according to claim 4, is characterized in that,
Described optical signal receiver also comprises: the second control unit is used for determining whether to ask described the first data exchange module to retransmit the data of this transmission according to the result of described the second resolution unit.
6. communication system according to claim 1, is characterized in that, described the first communication equipment is card reader, and described second communication equipment is IC-card.
7. communication system according to claim 1, is characterized in that, described the first data exchange module, described the second data exchange module are radio-frequency communication module.
8. communication system according to claim 1, is characterized in that, described the first data exchange module, described the second data exchange module are the contact communication module.
9. communication system according to claim 1, is characterized in that, described second communication equipment is IC-card, and described optical signal receiver is placed in the IC-card card of IC-card chip internal or IC-card chip exterior.
10. communication means is applied to comprise it is characterized in that the communication system of the first communication equipment and second communication equipment, comprising:
Described the first communication equipment and described second communication equipment are controlled the opening and closing of data exchange channel by optical communication path;
Described the first communication equipment and described second communication equipment carry out exchanges data by data exchange channel.
11. communication means according to claim 10 is characterized in that, also comprises:
Described the first communication equipment and described second communication equipment are by the integrality of optical communication path checking data interchange channel institute the transmission of data.
12. communication means according to claim 10 is characterized in that, the opening and closing that described the first communication equipment and described second communication equipment are controlled data exchange channel by optical communication path comprise:
Described the first communication equipment sends authentication information by optical communication path to described second communication equipment;
Described second communication equipment receives described authentication information by optical communication path;
Described second communication equipment carries out authentication according to described authentication information to described the first communication equipment;
Described second communication equipment determines whether the turn-on data interchange channel according to identity authentication result.
13. communication means according to claim 12 is characterized in that, comprises the physics access authority information in described authentication information.
14. communication means according to claim 11 is characterized in that, described the first communication equipment and described second communication equipment comprise by the integrality of optical communication path checking data interchange channel institute the transmission of data:
Described the first communication equipment by optical communication path to described second communication equipment sending data integrity check information;
Described second communication equipment receives described data integrity verifying information by optical communication path;
The data that described second communication equipment receives the data interchange channels according to described data integrity verifying information are carried out the data integrity checking.
15. communication means according to claim 14 is characterized in that, described the first communication equipment and described second communication equipment also comprise by the integrality of optical communication path checking data interchange channel institute the transmission of data:
Described second communication equipment determines whether to ask described the first communication equipment to retransmit the data of this transmission according to the data integrity the result.
16. communication means according to claim 10 is characterized in that, described the first communication equipment is card reader, and described second communication equipment is IC-card.
17. communication means according to claim 10 is characterized in that, described data exchange channel is radio communication passage or contact communication port.
18. a communication equipment is characterized in that, comprising:
Optical signal transmitter, for generation of and launch light signal;
The first data exchange module is used for carrying out exchanges data by data exchange channel.
19. communication equipment according to claim 18 is characterized in that, described optical signal transmitter comprises:
The first modulating unit is used for authentication information is loaded into light signal.
20. communication equipment according to claim 19 is characterized in that, comprises the physics access authority information in described authentication information.
21. communication equipment according to claim 18 is characterized in that, described optical signal transmitter comprises:
The second modulating unit is used for data integrity verifying information is loaded into light signal.
22. communication equipment according to claim 18 is characterized in that, described communication equipment is card reader.
23. communication equipment according to claim 18 is characterized in that, described the first data exchange module is radio-frequency communication module or contact communication module.
24. a communication equipment is characterized in that, comprising:
Optical signal receiver is used for receiving and resolving light signal, and is used for determining whether to open the second data exchange module according to the light signal analysis result;
The second data exchange module is used for carrying out exchanges data by data exchange channel.
25. communication equipment according to claim 24 is characterized in that, described optical signal receiver comprises:
The first acquiring unit is used for obtaining authentication information from the light signal that described optical signal receiver receives;
The first resolution unit is used for the authentication information that obtains according to described the first acquiring unit the transmitting apparatus of described authentication information is carried out authentication;
The first control unit is used for determining whether to open described the second data exchange module according to the identity authentication result of described the first resolution unit.
26. communication equipment according to claim 24 is characterized in that, described optical signal receiver comprises:
Second acquisition unit is used for obtaining data integrity verifying information from the light signal that described optical signal receiver receives;
The second resolution unit, the data that the data integrity verifying information that is used for obtaining according to described second acquisition unit receives described the second data exchange module are carried out the data integrity checking.
27. communication equipment according to claim 26 is characterized in that, described optical signal receiver also comprises:
The second control unit is for determine whether the data of this transmission of request repeat according to the data integrity the result of described the second resolution unit.
28. communication equipment according to claim 24 is characterized in that, described communication equipment is IC-card.
29. communication equipment according to claim 24 is characterized in that, described the second data exchange module is radio-frequency communication module or contact communication module.
30. a communication connecting method is characterized in that, comprising:
Receive authentication information by optical communication path;
According to described authentication information, the transmitting apparatus of described authentication information is carried out authentication;
Determine whether to set up the connection of data exchange channel according to identity authentication result.
31. a communication means is characterized in that, comprising:
By optical communication path receive data integrity check information;
Carry out the data integrity checking according to the data that described data integrity verifying information receives the data interchange channels.
32. communication means according to claim 31 is characterized in that, also comprises:
According to data integrity the result specified data interchange channel whether proceeding exchanges data.
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