CN209120221U - A kind of contactless smart card Protocol Analysis device - Google Patents
A kind of contactless smart card Protocol Analysis device Download PDFInfo
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- CN209120221U CN209120221U CN201821504280.XU CN201821504280U CN209120221U CN 209120221 U CN209120221 U CN 209120221U CN 201821504280 U CN201821504280 U CN 201821504280U CN 209120221 U CN209120221 U CN 209120221U
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Abstract
The utility model relates to test verifying field, communicate for contactless smart card with contactless card reader in the interaction abnormal problem that occurs, need to grab and analyze the total data in interactive process, propose a kind of contactless smart card Protocol Analysis device.The contactless smart card Protocol Analysis device includes: lower coupling high frequency antenna, card reader data resolution module, card data parsing module, card reader transmission data baud rate monitoring module, embeded processor and the end PC display module.The utility model can grab interaction data in contactless smart card and contactless card reader interactive process, in the case where not influencing communications status, provide support rapidly and efficiently to analyze interaction abnormal problem.
Description
Technical field
The utility model relates to test verifying field, a kind of contactless smart card Protocol Analysis device is provided.
Background technique
With popularizing for contactless smart card application, issued volume constantly increases, and the application scenarios of smart card are also more and more richer
Richness, but due to the technical characterstic that the intrinsic contactless communication of contactless communication is interfered vulnerable to outside noise, it is non-in practical application
Contact smart card will appear various interact extremely with card reader.
In order to quickly positioning and repair the problem of interaction exception, it is badly in need of a kind of not influencing original communications status and can be with
Contactless smart card and all interactive signals of card reader are grabbed, practical interaction data is gone out according to contactless communications protocol demodulating and decoding
And to the device that data are analyzed, contactless smart card or Reader Design personnel is helped to be quickly found out the original of interaction exception
Cause.
Utility model content
The actual demand of abnormal problem analyzing and positioning is interacted with card reader for existing contactless smart card, this is practical new
Type proposes a kind of contactless smart card Protocol Analysis device, can grab under conditions of not influencing original communications status
Contactless smart card and all interactive signals of card reader are taken, practical interaction is gone out according to non-contact intelligent card communication protocol demodulating and decoding
Data and to the device that data are analyzed can effectively improve contactless smart card or card reader positioning problems efficiency and effectively
Property.
The utility model proposes a kind of contactless smart card Protocol Analysis devices, comprising: data capture module, height
Frequency lower coupling antenna and data parsing and display module.
The data capture module of the device is connected with high frequency lower coupling antenna, and data capture module and data are parsed and shown
Module is connected.High frequency lower coupling antenna is put into the 13.56Mhz radiofrequency field of contactless card reader generation, by way of coupling
It obtains the signal that contactless card reader and contactless smart card are respectively modulated 13.56Mhz carrier wave, and acquisition is existed
The modulated signal of contactless card reader and contactless smart card is transferred to data capture module in 13.56Mhz carrier signal；Data
Handling module modulation /demodulation rule according to as defined in non-contact intelligent card communication protocol is to contactless card reader and non-contact intelligent
The modulated signal of card carries out demodulating and decoding respectively, obtains the data that contactless card reader and contactless smart card are sent respectively, and
Increase temporal information, transmission source information and baud rate information to transmit to data parsing and display module；Data are parsed and are shown
Show the data that module provides that parsing contactless card reader and contactless smart card are sent according to non-contact intelligent card communication protocol, deposits
It stores up and is shown according to user demand.
Data capture module includes: card data parsing module, card reader data resolution module, card reader transmission data wave
Special rate monitoring module and embeded processor；Card data parsing module is connected with high frequency lower coupling antenna, and sheet data parses mould
Block is connected with embeded processor；Card reader data resolution module is connected with high frequency lower coupling antenna, and card reader data parse mould
Block is connected with embeded processor；Card reader sends data baud rate monitoring module and is connected with high frequency lower coupling antenna, card reader
Data baud rate monitoring module is sent to be connected with embeded processor；
Card reader sends data baud rate monitoring module and is existed by high frequency lower coupling antenna acquisition contactless card reader
The encoded signal modulated on 13.56Mhz carrier wave is sent according to card reader is obtained after non-contact intelligent card communication protocol demodulating and decoding
The baud rate information of data, and the baud rate information is sent to embeded processor；
Embeded processor initializes card reader data resolution module according to the card reader baud rate information of acquisition, so that reading
Card device data resolution module can correctly demodulate modulated signal of the contactless card reader on 13.56Mhz carrier wave, and can correctly solve
The encoded signal of code contactless card reader obtains the data that contactless card reader is sent, and is sent to embeded processor；Insertion
Formula processor is according to the card reader baud rate information initialized card sheet data parsing module of acquisition, so that card data parsing module
The modulated signal that non-contact intelligent is stuck on 13.56Mhz carrier wave can be correctly demodulated, and contactless smart card can be correctly decoded
Encoded signal obtains the data that contactless smart card is sent, and is sent to embeded processor；
The contactless card reader that embeded processor obtains the correct demodulating and decoding of card reader data resolution module sends data,
Increase after data send the information such as information source, receiving time stamp, baud rate and transmits to data parsing and display module；Insertion
The contactless smart card that formula processor obtains the correct demodulating and decoding of card data parsing module sends data, increases data and sends letter
It is transmitted after the information such as breath source, receiving time stamp, baud rate to data parsing and display module；
Detailed description of the invention
Fig. 1 shows the specific embodiment structural block diagrams of the utility model.
Specific embodiment
In the following detailed description, with reference to the specific reality of the wherein the utility model implementation described by way of diagram
Apply example.The embodiment is described in sufficient detail, so that those skilled in the art can implement the utility model.But it is following
Detailed description should not be construed limited significance.
In the attached drawing 1 of utility model embodiment, a kind of contactless smart card Protocol Analysis device, comprising: data
Handling module, high frequency lower coupling antenna and data parsing and display module.Data capture module is connected with high frequency lower coupling antenna,
Data capture module is parsed with data and display module is connected.Data capture module is connected with high frequency lower coupling antenna, and data are grabbed
Modulus block is parsed with data and display module is connected.
Contactless card reader is obtained by way of coupling for high frequency lower coupling antenna and contactless smart card is right respectively
The signal that 13.56Mhz carrier signal is modulated, and the contactless card reader in 13.56Mhz carrier signal of acquisition and non-
The modulated signal of contact smart card is transferred to data capture module；Data capture module is advised according to non-contact intelligent card communication protocol
Fixed modulation /demodulation rule carries out demodulating and decoding to the modulated signal of contactless card reader and contactless smart card respectively, obtains non-
The data that contact card reader and contactless smart card are sent respectively are transmitted to data parsing and display module；Data parsing
And the number that display module is sent according to non-contact intelligent card communication protocol provision discussion contactless card reader and contactless smart card
According to storing and show.
Claims (8)
1. a kind of contactless smart card Protocol Analysis device characterized by comprising data capture module (2), high frequency are low
Coupled antenna (3) and data parsing and display module (4)；Wherein data capture module (2) and high frequency lower coupling antenna (3) phase
Even, data capture module (2) is parsed with data and display module (4) is connected.
2. a kind of contactless smart card Protocol Analysis device as described in claim 1, which is characterized in that the high frequency is low
Coupled antenna (3) is put into the 13.56Mhz radiofrequency field of contactless card reader generation, and non-contact reading is obtained by way of coupling
The signal that card device and contactless smart card are respectively modulated 13.56Mhz carrier wave, and believing in 13.56Mhz carrier wave acquisition
The modulated signal of contactless card reader and contactless smart card is transferred to the data capture module (2) on number；The data are grabbed
Modulus block (2) modulation /demodulation rule according to as defined in non-contact intelligent card communication protocol is to contactless card reader and non-contact intelligent
The modulated signal of card carries out demodulating and decoding respectively, obtains the data that contactless card reader and contactless smart card are sent respectively, and
Increase temporal information, transmission source information and baud rate information to transmit to data parsing and display module (4)；The number
Parsing contactless card reader and contactless smart card are provided according to non-contact intelligent card communication protocol according to parsing and display module (4)
The data of transmission are stored and are shown according to user demand.
3. a kind of contactless smart card Protocol Analysis device as described in claim 1, which is characterized in that the data are grabbed
Modulus block (2), comprising: card data parsing module (5), card reader data resolution module (6), card reader send data baud rate
Monitoring module (7) and embeded processor (8)；Wherein, card data parsing module (5) is connected with high frequency lower coupling antenna (3),
Sheet data parsing module (5) is connected with embeded processor (8)；Card reader data resolution module (6) and high frequency lower coupling antenna
(3) it is connected, card reader data resolution module (6) is connected with embeded processor (8)；Card reader sends data baud rate and monitors mould
Block (7) is connected with high frequency lower coupling antenna (3), and card reader sends data baud rate monitoring module (7) and embeded processor (8)
It is connected.
4. a kind of contactless smart card Protocol Analysis device as described in claim 1 and 3, which is characterized in that the reading
Card device sends data baud rate monitoring module (7) and obtains contactless card reader in 13.56Mhz by high frequency lower coupling antenna (3)
The encoded signal modulated on carrier wave, according to the wave for obtaining card reader transmission data after non-contact intelligent card communication protocol demodulating and decoding
Bit rate information, and the baud rate information is sent to embeded processor (8).
5. a kind of contactless smart card Protocol Analysis device as described in claim 1 and 3, which is characterized in that described embedding
Enter formula processor (8) and card reader data resolution module (6) are initialized according to the card reader baud rate information of acquisition, so that card reader
Data resolution module (6) can correctly demodulate modulated signal of the contactless card reader on 13.56Mhz carrier wave, and can correctly solve
The encoded signal of code contactless card reader obtains the data that contactless card reader is sent, and is sent to embeded processor (8).
6. a kind of contactless smart card Protocol Analysis device as described in claim 1 and 3, which is characterized in that described embedding
Enter formula processor (8) according to the card reader baud rate information initialized card sheet data parsing module (5) of acquisition, so that card data
Parsing module (5) can correctly demodulate the modulated signal that non-contact intelligent is stuck on 13.56Mhz carrier wave, and can be correctly decoded non-
The encoded signal of smart card is contacted, obtains the data that contactless smart card is sent, and be sent to embeded processor (8).
7. a kind of contactless smart card Protocol Analysis device as described in claim 1 and 3, which is characterized in that described embedding
Enter the contactless card reader transmission data that formula processor (8) obtain card reader data resolution module (6) correct demodulating and decoding, increases
Data transmit after sending the information such as information source, receiving time stamp, baud rate to data parsing and display module (4).
8. a kind of contactless smart card Protocol Analysis device as described in claim 1 and 3, which is characterized in that described embedding
Enter the contactless smart card transmission data that formula processor (8) obtain card data parsing module (5) correct demodulating and decoding, increases number
It is parsed to data and display module (4) according to sending to transmit after information source, receiving time stamp, the information such as baud rate.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201821504280.XU CN209120221U (en) | 2018-09-14 | 2018-09-14 | A kind of contactless smart card Protocol Analysis device |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201821504280.XU CN209120221U (en) | 2018-09-14 | 2018-09-14 | A kind of contactless smart card Protocol Analysis device |
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| CN209120221U true CN209120221U (en) | 2019-07-16 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109150896A (en) * | 2018-09-14 | 2019-01-04 | 北京中电华大电子设计有限责任公司 | A kind of contactless smart card Protocol Analysis device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109150896A (en) * | 2018-09-14 | 2019-01-04 | 北京中电华大电子设计有限责任公司 | A kind of contactless smart card Protocol Analysis device |
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