CN104123783A - Safety device for cash-out module and realization method of safety device - Google Patents
Safety device for cash-out module and realization method of safety device Download PDFInfo
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- CN104123783A CN104123783A CN201310153978.7A CN201310153978A CN104123783A CN 104123783 A CN104123783 A CN 104123783A CN 201310153978 A CN201310153978 A CN 201310153978A CN 104123783 A CN104123783 A CN 104123783A
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- paper money
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- money supplying
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Abstract
The invention relates to an encryption safety device for preventing any other equipment from withdrawing bank notes through giving a cash-out module control command when the cash-out module of an ATM is communicated, and a realization method of the safety device. The safety device comprises a host, an encryption plate and a cash-out module. The host and the encryption plate carry out twice secret key transmission, confirmation and storage, and then, the host, when no error is made, begins to send command data for controlling the cash-out module to act to the encryption plate, the transmitted command data being ciphertexts; and the encryption plate carries out decryption according to a preset secret key, and then, forwards the plaintext obtained after the decryption to the cash-out module so as to control the cash-out module to work. The communication between the host and the cash-out module fully adopts the ciphertext transmission mode, so that the safety of the communication data is fully guaranteed. The safety of the communication data outside a safety cabinet is guaranteed, and meanwhile, double insurance of finance equipment on cash safety is realized; and cash stealing cases since other illegal data is directly sent to the cash-out module to control the cash-out module to spit cashes are prevented.
Description
Technical field
The present invention relates to finance self-help terminal device field, more particularly, relate to a kind ofly while communicating by letter with ATM paper money supplying module, prevent encryption safe device and its implementation that any other equipment can take out banknote by sending the order of paper money module controls.
Background technology
At present, along with the demand increase year after year to domestic ATM ATM (Automatic Teller Machine), country advocates the industrialization of accelerating to advance the relevant critical product of financial field safety, wherein ATM tool is ingredient important in safety product, the hardware and software of ATM tool Related product is upgraded, and improve not only can be for supporting after other financial security product improvements, and can expand existing security mechanism, makes ATM tool safer, reduce financial crime case, guarantee social stability.And the mode that atm device on current market generally adopts main frame to be directly connected and to communicate with the order wire of paper money supplying module, that is to say that main frame can directly send the bottom communication order of paper money supplying module, and the end of the C by bank (be ATM in bank deposit and withdraw operation interface) does not say the word, directly control paper money supplying module realize dig paper money, send paper money, cash dispensing port gets paper money action, and then easily money stolen.There is so very large potential safety hazard, if someone gets bottom communication instrument, enter between line ATM, open electronic cabinet lock, without opening safety cabinet, paper money supplying module order wire is linked in own computer, by bottom instrument, directly controlling paper money supplying module takes out money, and need not attack safety cabinet, and easy money is stolen, cause some heavy losses.
Summary of the invention
Technical matters to be solved by this invention is to overcome the deficiencies in the prior art, when a kind of ATM paper money supplying module communication is provided, prevent a kind of novel encryption safe device and its implementation that any other equipment can take out banknote by sending the order of paper money module controls.
The present invention is achieved by the following technical programs:
For a safety feature for paper money supplying module, comprise main frame, densifying plate and paper money supplying module,
Described main frame, according to preset parameter, is sent to densifying plate with ciphertext form,
Described densifying plate is decrypted according to preset parameter, then deciphering is expressly transmitted to paper money supplying module, and then controls paper money supplying module work,
Described paper money supplying module, receives densifying plate steering order and carries out corresponding note output action.
Described main frame is the device with the ability of transmitting and receive data.
The communication interface that described densifying plate can be received and dispatched by microcontroller, storer, two-way forms, and connects respectively main frame and paper money supplying module in two-way communication interface.
An implementation method for the safety feature of paper money supplying module, comprises the steps:
Step 1: main frame is meeting under testing conditions, sends out a string plain-text instructions data first in advance to densifying plate, and densifying plate is encrypted according to preset associated encryption parameter, the ciphertext after encryption is stored in to power down and does not lose in device;
Step 2: under the testing conditions cancellation condition in step 1; main frame sends out ciphertext director data a string again to densifying plate; the data that densifying plate transmits for the first time according to main frame are deciphered accordingly; again the plaintext decrypting is proofreaded to checking, finally correct ciphertext is stored in to power down and does not lose in device;
Step 3: under the condition that two steps are successfully completed more than detecting, main frame just can issue the director data of controlling paper money supplying module action, director data still sends with the form of ciphertext, via densifying plate, be decrypted, decruption key is the plaintext that step 2 decrypts, finally the director data decrypting is forwarded to paper money supplying module, and then controls the work of paper money supplying module.
The invention has the beneficial effects as follows:
Owing to being provided with densifying plate between main frame and paper money supplying module, described main frame is according to preset parameter, with ciphertext form, be sent to densifying plate, described densifying plate is decrypted according to preset parameter, again deciphering is expressly transmitted to paper money supplying module, and then control paper money supplying module work, communicating by letter between main frame and paper money supplying module adopts ciphertext to transmit completely, fully guaranteed the security of communication data.Thereby avoid any equipment to communicate and then to control it with paper money supplying module and carry out illegal operation.The method is particularly useful for financial industry, can effectively solve other illegal host can directly control paper money supplying module and tell money, even if cause finance self-help terminal not pry open the adverse consequences that safety cabinet also can be stolen money, realized the dual fail-safe object that prevents that in paper money supplying module, money is stolen.Practical simple, I&M is all more convenient.
Accompanying drawing explanation
Fig. 1 is link block schematic diagram of the present invention.
Fig. 2 is schematic flow sheet of the present invention.
Embodiment
In order to make those skilled in the art understand better technical scheme of the present invention, below in conjunction with accompanying drawing and most preferred embodiment, the present invention is described in further detail.
As shown in the figure, the present invention includes main frame, densifying plate and paper money supplying module,
Described main frame, according to preset parameter, is sent to densifying plate with ciphertext form,
Described densifying plate is decrypted according to preset parameter, then deciphering is expressly transmitted to paper money supplying module, and then controls paper money supplying module work,
Described paper money supplying module, receives densifying plate steering order and carries out corresponding note output action.
Described main frame is the device with the ability of transmitting and receive data.
The communication interface that described densifying plate can be received and dispatched by microcontroller, storer, two-way forms, and connects respectively main frame and paper money supplying module in two-way communication interface.
Paper money supplying module and densifying plate are installed in the safety cabinet of finance device, and PC is installed in electronic housing equipment.During first use, should, first for densifying plate pours into master key and working key, then just can issue the director data of controlling paper money supplying module.
Realize the transmission method of the communication data of above-mentioned safety feature:
Step 1: main frame is meeting under testing conditions, sends out a string plain-text instructions data first in advance to densifying plate, and densifying plate is encrypted according to preset associated encryption parameter, the ciphertext after encryption is stored in to power down and does not lose in device.
Step 2: under the testing conditions cancellation condition in step 1, main frame sends out ciphertext director data a string again to densifying plate, and the data that densifying plate transmits for the first time according to main frame are deciphered accordingly, then the plaintext decrypting is proofreaded to checking.Finally correct ciphertext being stored in to power down does not lose in device.
Step 3: under the condition that two steps are successfully completed more than detecting, main frame just can issue the director data of controlling paper money supplying module action.Director data still sends with the form of ciphertext, via densifying plate, is decrypted, and decruption key is the plaintext that step 2 decrypts.Finally the director data decrypting is forwarded to paper money supplying module, and then controls the work of paper money supplying module.
Concrete methods of realizing is as follows:
First, need to open safety cabinet, use the wire jumper on short circuit cap short circuit densifying plate, prepare to receive the master key that PC issues.Master key adopts 16 bytes expressly to issue, and utilizes intrinsic 16 keys of densifying plate self storage to carry out 3DES encryption, and the ciphertext after encryption is stored in the E2PROM of densifying plate.
Secondly, take off the jumper cap on densifying plate, now densifying plate can receive the working key that PC issues.Working key director data can be comprised of three parts: the one, and 16 working keys (DATA1) of ciphertext, two is plaintexts (DATA2) of 8, the 3rd, utilize the ciphertext (DATA3) of 16 plain text encryption secret key encryptions.Wherein the ciphertext working key of 16 is be encrypted and come by the plaintext master key of 16.Therefore densifying plate receives after the working key director data that PC issues, first to DATA1, utilize master key to carry out 3DES and decrypt expressly (DATA4), again DATA2 is used DATA4 to carry out 3DES and encrypt ciphertext (DATA5), contrast DATA3 and DATA5, if data are in full accord, represent that the data that decrypt are correct, are stored in its working key ciphertext (DATA1) in the E2PROM of densifying plate.If DATA3 is different with DATA5 data in contrast, densifying plate returns to error message, requires it again to transmit working key data.
Finally, densifying plate detects under the condition that master key and working key all exist, and densifying plate just can be processed the director data of the control paper money supplying module that PC sends.The director data of the paper money supplying module that PC issues all issues with the form of ciphertext, and densifying plate is decrypted according to preset working key, is then transmitted to paper money supplying module, thereby controls paper money supplying module work.
The advantage of this implementation method is that communication data all adopts encrypted test mode to transmit, and is stored in the data that the power down of densifying plate do not lose in E2PROM chip and is ciphertext, can regularly replace according to actual needs working key simultaneously, safe and reliable.
Owing to being provided with densifying plate between main frame and paper money supplying module, described main frame is according to preset parameter, with ciphertext form, be sent to densifying plate, described densifying plate is decrypted according to preset parameter, again deciphering is expressly transmitted to paper money supplying module, and then control paper money supplying module work, communicating by letter between main frame and paper money supplying module adopts ciphertext to transmit completely, fully guaranteed the security of communication data.Thereby avoid any equipment to communicate and then to control it with paper money supplying module and carry out illegal operation.The method is particularly useful for financial industry, can effectively solve other illegal host can directly control paper money supplying module and tell money, even if cause finance self-help terminal not pry open the adverse consequences that safety cabinet also can be stolen money, realized the dual fail-safe object that prevents that in paper money supplying module, money is stolen.Practical simple, I&M is all more convenient.
The above is only the preferred embodiment of the present invention; it should be pointed out that for those skilled in the art, under the premise without departing from the principles of the invention; can also make some improvements and modifications, these improvements and modifications also should be considered as protection scope of the present invention.
Claims (4)
1. for a safety feature for paper money supplying module, it is characterized in that, comprise main frame, densifying plate and paper money supplying module,
Described main frame, according to preset parameter, is sent to densifying plate with ciphertext form,
Described densifying plate is decrypted according to preset parameter, then deciphering is expressly transmitted to paper money supplying module, and then controls paper money supplying module work,
Described paper money supplying module, receives densifying plate steering order and carries out corresponding note output action.
2. a kind of safety feature for paper money supplying module according to claim 1, is characterized in that, described main frame is the device with the ability of transmitting and receive data.
3. a kind of safety feature for paper money supplying module according to claim 1 and 2, is characterized in that, the communication interface that described densifying plate can be received and dispatched by microcontroller, storer, two-way forms, and connects respectively main frame and paper money supplying module in two-way communication interface.
4. for an implementation method for the safety feature of paper money supplying module, it is characterized in that, comprise the steps:
Step 1: main frame is meeting under testing conditions, sends out a string plain-text instructions data first in advance to densifying plate, and densifying plate is encrypted according to preset associated encryption parameter, the ciphertext after encryption is stored in to power down and does not lose in device;
Step 2: under the testing conditions cancellation condition in step 1; main frame sends out ciphertext director data a string again to densifying plate; the data that densifying plate transmits for the first time according to main frame are deciphered accordingly; again the plaintext decrypting is proofreaded to checking, finally correct ciphertext is stored in to power down and does not lose in device;
Step 3: under the condition that two steps are successfully completed more than detecting, main frame just can issue the director data of controlling paper money supplying module action, director data still sends with the form of ciphertext, via densifying plate, be decrypted, decruption key is the plaintext that step 2 decrypts, finally the director data decrypting is forwarded to paper money supplying module, and then controls the work of paper money supplying module.
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| CN201310153978.7A CN104123783B (en) | 2013-04-28 | 2013-04-28 | A kind of safety device and its implementation for paper money supplying module |
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| CN201310153978.7A CN104123783B (en) | 2013-04-28 | 2013-04-28 | A kind of safety device and its implementation for paper money supplying module |
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| CN104123783A true CN104123783A (en) | 2014-10-29 |
| CN104123783B CN104123783B (en) | 2017-06-06 |
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| CN105574420A (en) * | 2015-12-09 | 2016-05-11 | 深圳市旭子科技有限公司 | Interactive method and interactive device for signaling interface unit (SIU) and terminals |
| CN107430798A (en) * | 2015-02-27 | 2017-12-01 | 赛克恩格系统私人有限公司 | Security system for cash handling machine |
| CN108768924A (en) * | 2018-04-02 | 2018-11-06 | 广州广电运通金融电子股份有限公司 | Cash processing terminal safety certifying method, device and cash processing terminal |
| CN109285299A (en) * | 2018-10-23 | 2019-01-29 | 恒银金融科技股份有限公司 | A kind of financial self-service equipment communication security control system and control method |
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| CN108768924B (en) * | 2018-04-02 | 2021-06-08 | 广州广电运通金融电子股份有限公司 | Cash processing terminal security authentication method and device and cash processing terminal |
| CN109285299A (en) * | 2018-10-23 | 2019-01-29 | 恒银金融科技股份有限公司 | A kind of financial self-service equipment communication security control system and control method |
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| CN104123783B (en) | 2017-06-06 |
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Address after: 300000 Tianjin free trade zone (Airport Economic Zone) West eight Avenue 30 Applicant after: CASHWAY TECHNOLOGY CO., LTD. Address before: 300308, Tianjin Dongli Airport Economic Development Zone, Central Avenue and West eight road junction Applicant before: Cashway Technology Co., Ltd. |
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