CN101656744B - Device and method for retransmitting communication protocol of cash-out machine - Google Patents
Device and method for retransmitting communication protocol of cash-out machine Download PDFInfo
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Abstract
The invention discloses a device and a method for retransmitting communication protocol of a cash-out machine. A main control module is used for carrying out data communication with a industrial personal computer through a first communication interface module, carrying out data communication with the cash-out machine through a second communication interface module, analyzing the received data, and then converting the analyzed data to a corresponding control command to finish the protocol conversion. A software updating module is used for analyzing the data sent by the industrial personal computer, and if the software updating module analyzes a software updating command, a software updating program is started. By using the ATM matching with the device for retransmitting the communication protocol, the safety of the cash-out machine can be greatly improved.
Description
Technical Field
The invention relates to a safety technology of a cash dispenser, in particular to a device and a method for controlling safety through communication.
Background
With the popularization and application of bank ATMs (Automatic Teller machines), various different measures are competitively sampled by various banks to improve the transaction security of the ATM.
At present, various types of ATM cash dispensers are pushed out by various manufacturers to different degrees, and the ATM provides quick and convenient service for people and simultaneously puts higher requirements on safety. As professional ATM manufacturers and matching manufacturers, higher requirements must be made on the ATM machines, and various ATM manufacturers and matching suppliers are continuously perfecting their products to improve the safety of the ATM complete machine.
Meanwhile, with the rapid development of internet technology, the interconnection and intercommunication among the banks, and therefore, the emerging network hackers are in endless. In order to improve the security of the bank network, the bank adopts a special network. Even so, a wide variety of viruses are organically multiplied.
At present, communication commands of professional ATM cash dispensers and cash recycling machine manufacturers are all published for the industry, ATM cash dispenser interfaces are directly connected with an industrial personal computer, and ATM client software communicates through a public protocol provided by the cash dispenser manufacturers and dispenses cash when the cash is dispensed. Any person can find the corresponding cash dispenser communication command through the network, and for the phenomenon, if viruses or malicious software invade the ATM equipment, the cash dispenser is directly controlled to dispense cash through the open cash dispenser control command, and the result is very serious.
Therefore, with the popularization and the continuous abundance of the ATM, how to improve the reliability of the cash output of the whole ATM cash dispenser and make the product have more market competitiveness becomes a problem to be solved urgently.
Disclosure of Invention
The invention aims to provide a communication protocol forwarding device and a method of a cash dispenser.
In order to solve the technical problem of the invention, the invention discloses a communication protocol forwarding device of a cash dispenser, which comprises: the system comprises a main control module, a first communication interface module, a second communication interface module and a software updating module; the main control module is connected with the industrial personal computer through the first communication interface module and connected with the cash dispenser through the second communication interface module, and the main control module is connected with the software updating module. Wherein,
the main control module is used for carrying out data communication with the industrial personal computer through the first communication interface module and carrying out data communication with the cash dispenser through the second communication interface module, analyzing the received data, converting the analyzed data into a corresponding control command and finishing protocol conversion;
and the software updating module is used for starting a software updating program if a software updating command is analyzed after the main control module analyzes the data sent by the industrial personal computer.
Preferably, the method further comprises:
and the display and indication module is connected with the main control module and is used for indicating the related codes.
Preferably, the method further comprises:
and the keyboard input module is connected with the main control module and is used for finishing auxiliary setting and inputting of parameters.
Preferably, the first communication interface module or the second communication interface module includes an interface module of RS232, RS485, USB, I2C, SPI, and 2.4GHz wireless standard communication standard.
Preferably, the main control module further comprises:
and the encryption module is used for encrypting the received data.
In order to solve the technical problem of the invention, the invention also discloses a communication protocol conversion method of the cash dispenser, which comprises the following steps:
the main control module receives ATM client software protocol conversion;
the main control module receives and analyzes the data of the first communication interface module;
and the main control module performs protocol conversion after the analysis is completed and sends data to the second communication interface module.
In order to solve the technical problem of the invention, the invention also discloses a communication protocol conversion method of the cash dispenser, wherein the method comprises the following steps:
the main control module receives protocol conversion of the cash dispenser;
the main control module receives the data of the second communication interface module, carries out protocol conversion and sends the data to the first communication interface module.
In order to solve the technical problem of the invention, the invention also discloses a method for encrypting the communication protocol by software, which comprises the following steps:
the encryption equipment receives encrypted data sent by the industrial personal computer and sends the encrypted data to the main control module through the first communication interface module;
the main control module analyzes the protocol format and the command required by the cash dispenser and controls the cash dispenser to dispense cash through the second communication interface module.
Preferably, the method further comprises:
after the cash dispenser responses to the command sent by the encryption equipment, the cash dispenser sends a response signal to the encryption equipment;
and the encryption equipment is encrypted and subjected to protocol conversion and then sent to the industrial personal computer so as to complete bidirectional data transmission.
Compared with the prior art, the invention has the following beneficial effects:
the ATM is added with the communication protocol forwarding device disclosed by the invention, so that the cash-out safety of the cash-out machine can be greatly improved.
Drawings
Fig. 1 is a block diagram of a circuit structure of a communication protocol forwarding device of a cash dispenser according to an embodiment of the present invention;
fig. 2 is a schematic diagram illustrating a software upgrading process of an encryption device of a cash dispenser according to an embodiment of the present invention;
fig. 3 is a schematic view illustrating a communication protocol conversion process of a cash dispenser according to an embodiment of the present invention;
fig. 4 is a schematic view illustrating a communication protocol conversion process of another banknote dispenser according to an embodiment of the invention.
DETAILED DESCRIPTION OF EMBODIMENT (S) OF INVENTION
The invention discloses a communication protocol forwarding device and a method of a cash dispenser, and the cash dispenser can greatly improve the cash dispensing safety by adding the communication protocol forwarding device disclosed by the invention on an ATM.
As shown in fig. 1, which is a block diagram of a circuit structure of a communication protocol forwarding apparatus of a cash dispenser according to an embodiment of the present invention, the circuit may include: the main control module 101, and the software update module 102, the first communication interface module 103, the second communication interface module 104, the display and indication module 105 and the keyboard input module 106 connected thereto.
Wherein, the communication protocol forwarding device is respectively connected with the industrial personal computer and the cash dispenser.
The connection may be a communication connection or an electrical connection, and the present invention is not limited thereto.
The main control module 101 includes an MCU (e.g., a single chip microcomputer, also referred to as a microprocessor) and a peripheral circuit, and is used to provide a platform for the operation of the cash dispenser device, thereby ensuring the reliable operation of the device. The MCU mainly undertakes: converting a protocol; receiving, sending and processing communication interface data; fault handling (e.g., display, etc.); input processing of the keyboard, and the like. The functions of the main control module 101 specifically include: receiving a keypad design input from the keypad input module 106; sending data to the second communication interface module 104; receiving input data of the second communication interface module 104; sending data to the first communication interface module 103; receiving input data of the first communication interface module 103; a display indication module; the protocol conversion is completed.
The software updating module 102 is mainly used for starting a software updating program after the main control module 101 analyzes data sent by the industrial personal computer and if a software updating command is analyzed, so that the software updating module 102 can be configured according to different requirements and a new encryption mode.
First communication interface module 103, including RS232, RS485, USB, I2C, SPI and 2.4GHz wireless standard communication standard's interface module, the communication of the data between industrial computer and the encryption module mainly used. Wherein RS232, RS485, USB, I2C and SPI are standard IEEE standard protocols. The data is encrypted and transmitted to the encryption module by its standard protocol.
The second communication interface module 104 includes interfaces of RS232, RS485, USB, I2C, SPI, and 2.4GHz wireless standard communication standard, and is used for data communication between the encryption module and the cash dispenser. Wherein RS232, RS485, USB, I2C and SPI are standard IEEE standard protocols. The command and data analyzed by the encryption module are transmitted to the cash dispenser through the second communication interface module 104 by the standard protocol, so as to realize the control of cash dispensing and the like.
The display and indication module 105 is used for indicating relevant codes, such as occurrence of errors and indication of module error.
The keyboard input module 106 is mainly used for completing auxiliary setting input of some parameters.
The specific operation principle of the communication protocol forwarding device of the cash dispenser can be as follows.
The industrial personal computer is connected with an encryption module in the main control module 101 through a first communication module interface 103. The industrial personal computer encrypts the self-defined command through the encryption device, and transmits data to the main control module 101 through the first communication module 103. The main control module 101 performs internal parsing and converts the parsed data into corresponding control commands. At this time, if the parsing command is a software upgrade command, a software upgrade command flow is converted. If not, the control command flow of the cash dispenser is switched to. The control command of the cash dispenser is transmitted to the cash dispenser through the second communication module 104 so as to control the cash dispenser.
After the cash dispenser executes the corresponding command, the returned data passes through the second communication interface module 104, is encrypted by the main control module 101 and is subjected to protocol conversion, and then is transmitted to the industrial personal computer through the first communication interface module 103, so that the two-way control of the cash dispenser is realized. During the operation of the encryption device, the software update module 102 is mainly used for software update. When the encryption device fails, the display and indication module 105 will indicate the type or status of the failure. In operation, according to particular requirements, for example: the software communication standard protocol is changed, etc., and the operation is completed through the keyboard input module 106.
Fig. 2 is a schematic flow chart of a software upgrading method for an encryption device of a cash dispenser according to an embodiment of the present invention, which mainly includes the following contents.
Step 201, when the preparation of the encryption equipment of the cash dispenser is finished, a starting program is operated;
step 202, loading an application program from Flash to a memory;
step 203, running the application program;
the industrial personal computer sends defined encrypted data to the ATM client software through the first communication interface module 103, transmits the data to the main control module 101, and analyzes the data.
Step 204, determining whether the software is upgraded; if so, step 205 is performed, otherwise, step 206 is performed.
The main control module 101 analyzes the received data, and if a software upgrading command is analyzed, a software upgrading program is entered.
Step 205, software upgrading is carried out;
and updating the software program of the new version, and after the updating is finished, automatically starting the encryption equipment to finish the program updating.
Step 206, controlling each function and converting a protocol;
and (6) ending.
Fig. 3 and 4 are schematic diagrams illustrating a flow of a communication protocol conversion method of a banknote dispenser according to an embodiment of the present invention, and the operation process of the apparatus of fig. 1 may be specifically described as follows.
As shown in fig. 3, the process of the communication protocol conversion method of the banknote dispenser includes: receiving the protocol conversion of the ATM client software, receiving the data of the first communication interface module by the main control module, analyzing by the main control module, performing the protocol conversion after the analysis by the main control module is completed, sending the data to the second communication interface module, and ending.
As shown in fig. 4, the process of the communication protocol conversion method of the banknote dispenser includes: and receiving protocol conversion of the cash dispenser, receiving data of the second communication interface module by the main control module, carrying out protocol conversion by the main control module, sending the data to the first communication interface module, and ending.
Further, the invention also discloses a method for encrypting the communication protocol by software, which comprises the following steps: the encrypted data that the industrial computer sent is received to encryption equipment, sends for main control module through first communication interface module, and main control module analyzes, analyzes out and goes out the required protocol format of cash dispenser and after the order, and the cash dispenser of rethread second communication interface module control cash dispenser goes out.
When the cash dispenser responses the command sent by the encryption equipment, the cash dispenser sends a response signal to the encryption equipment, and the response signal is encrypted by the encryption equipment and subjected to protocol conversion and then sent to the industrial personal computer so as to complete bidirectional data transmission.
In summary, by adding the communication protocol forwarding device disclosed by the invention to the ATM, the cash dispensing safety of the cash dispenser can be greatly improved, and the safety guarantee of the bank fund safety is also increased.
Claims (5)
1. A communication protocol forwarding device of a cash dispenser is characterized by comprising: the system comprises a main control module, a first communication interface module, a second communication interface module and a software updating module; the main control module is connected with an industrial personal computer through the first communication interface module and is connected with the cash dispenser through the second communication interface module, and the main control module is connected with the software updating module;
the main control module comprises an encryption module used for encrypting the received data;
the main control module receives an encryption command of the industrial personal computer through the first communication interface module, analyzes the received data, converts the analyzed data into a corresponding control command, transmits the control command to the software updating module for software updating if the control command is a software updating command, and transmits the control command to the cash dispenser through the second communication interface module to execute a command if the control command is not a software updating command;
after the cash dispenser executes the command, the returned data is transmitted to the main control module through the second communication interface module;
the main control module encrypts data and converts a protocol, and then transmits the data to the industrial personal computer through the first communication interface module.
2. The apparatus of claim 1, wherein the method further comprises:
and the display and indication module is connected with the main control module and is used for indicating the related codes.
3. The apparatus of claim 1, wherein the method further comprises:
and the keyboard input module is connected with the main control module and is used for finishing auxiliary setting and inputting of parameters.
4. The apparatus of claim 1, wherein the first communication interface module or the second communication interface module comprises an interface module of RS232, RS485, USB, I2C, SPI, and 2.4GHz wireless standard communication standard.
5. A communication protocol conversion method of a cash dispenser is characterized by comprising the following steps:
step 1, after the preparation of the encryption equipment of the cash dispenser is finished, running a starting program;
step 2, loading an application program from Flash to a memory;
step 3, running the application program;
step 4, the industrial personal computer sends an encryption command to the main control module through the first communication interface module 103;
step 5, the main control module analyzes the received data and converts the data into a corresponding control command;
step 6, judging whether the control command is a software upgrading command, if so, updating the software, and automatically starting the encryption equipment after the updating is finished to finish the program updating; if not, the control command is transmitted to the cash dispenser through the second communication module;
and 7, the cash dispenser executes the corresponding command, the returned data passes through the second communication interface module, is encrypted and converted by the main control module and is transmitted to the industrial personal computer through the first communication interface module.
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| CN200910189989.4A CN101656744B (en) | 2009-09-04 | 2009-09-04 | Device and method for retransmitting communication protocol of cash-out machine |
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| CN200910189989.4A CN101656744B (en) | 2009-09-04 | 2009-09-04 | Device and method for retransmitting communication protocol of cash-out machine |
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| CN101656744B true CN101656744B (en) | 2014-08-27 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN102306134A (en) * | 2011-08-15 | 2012-01-04 | 福州科迪电子技术有限公司 | Method and device for converting serial data of electronic scale into computer universal serial bus (USB) data |
| CN104123783B (en) * | 2013-04-28 | 2017-06-06 | 恒银金融科技股份有限公司 | A kind of safety device and its implementation for paper money supplying module |
| JP6254517B2 (en) * | 2014-12-22 | 2017-12-27 | 富士通フロンテック株式会社 | Media handling device |
| AU2015100234A4 (en) * | 2015-02-27 | 2015-04-02 | Sec Eng Systems Pty Ltd | Security system for cash handling machine |
| CN107680295A (en) * | 2017-06-12 | 2018-02-09 | 平安科技（深圳）有限公司 | Automatic teller machine control update method and device |
| CN110930603B (en) * | 2019-12-04 | 2021-06-04 | 中钞科堡现金处理技术（北京）有限公司 | Bidirectional encryption verification system and cash recycling machine with same |
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| CN1643843A (en) * | 2002-03-29 | 2005-07-20 | Nti股份有限公司 | Communication device |
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| WO2005027417A1 (en) * | 2003-09-18 | 2005-03-24 | Utstarcom (China) Co. Ltd. | Method of ip multimedia session radio access bearing in the umts network |
| JP4070763B2 (en) * | 2004-11-24 | 2008-04-02 | 富士通株式会社 | ATM inter-device communication support system, data transmission support device, data transmission method, and computer program |
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| CN1524102A (en) * | 2001-03-26 | 2004-08-25 | Melt polycarbonate exhibiting an improved resistance to hydrolysis | |
| CN1643843A (en) * | 2002-03-29 | 2005-07-20 | Nti股份有限公司 | Communication device |
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Inventor after: Guo Lihu Inventor after: Wang Bing Inventor after: Yong Jibing Inventor before: Guo Lihu Inventor before: Wang Bing Inventor before: Luo Jiaxian Inventor before: Yong Jibing |
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Address after: 601, room 13, building two, two software park, Shenzhen Road, Nanshan District science and technology, Guangdong, Shenzhen 518000, China Applicant after: NDT Science & Technology Co., Ltd. Address before: Luohu District Buji road 518019 Shenzhen city Guangdong Province China No. 1028 compound 2 Building 4 layer Applicant before: Shenzhen Newdatong Science & Technology Corporation |
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Denomination of invention: Device and method for retransmitting communication protocol of cash-out machine Effective date of registration: 20170908 Granted publication date: 20140827 Pledgee: Shenzhen SME financing Company limited by guarantee Pledgor: NDT Science & Technology Co., Ltd. Registration number: 2017990000853 |
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