CN101159072A - Device for preventing financial terminal susceptivity data missing - Google Patents
Device for preventing financial terminal susceptivity data missing Download PDFInfo
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- CN101159072A CN101159072A CNA2007100359461A CN200710035946A CN101159072A CN 101159072 A CN101159072 A CN 101159072A CN A2007100359461 A CNA2007100359461 A CN A2007100359461A CN 200710035946 A CN200710035946 A CN 200710035946A CN 101159072 A CN101159072 A CN 101159072A
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Abstract
A device for preventing important data from disclosing at a finance terminal, includes a closed device for preventing a data encryption circuit from being sensed, a circuit for detecting dismounting of the closed device, and a data self damage circuit. The closed device is composed of a main printed circuit board, an upper wall protecting circuit board and a side walls protecting ring. The circuit for detecting dismounting of the closed device consists mainly of detecting wires distributed in the main printed circuit board, the upper wall protecting circuit board and the side walls protecting ring; conductive rubber wires connecting the main printed circuit board and the side walls protecting ring; a detecting circuit and the data self damage circuit. The side walls protecting ring is fixed on the main printed circuit board; the upper wall protecting circuit board is fixed on the main printed circuit board and the side walls protecting ring; the detecting circuit, the data storing circuit and the data self damage circuit are connected with a chargeable battery. The invention can effectively prevent bank card keys inputted by a cardholder from disclosing.
Description
Technical field
The present invention relates to a kind of device that prevents susceptivity data missing, especially relate to a kind of device that prevents financial terminal susceptivity data missing.
Background technology
Progressively perfect along with all kinds of bank card environments for use, a large amount of bank card holders use ATM (Automatic Teller Machine) to carry out fund access and inquiry, and the social consumption clearing also progressively realize electronization, and many trade companies have brought into use the POS terminal to consume clearing.In this process, guarantee that holder's fund security is a very important problem.At present, the payment of fund control mainly is to depend on the password that the holder is provided with, and therefore will guarantee holder's fund security, must guarantee that the password that the holder inputs when financial terminals such as use ATM (Automatic Teller Machine) or POS does not leak.For preventing susceptivity data missing such as password in the communication process, the data (comprising sensitive datas such as bank card password and amount of the fund) of transmission are always encrypted earlier and are afterwards transmitted, if but encryption key is given away secrets or the password of holder's input is just leaked before encryption, the data of encrypting have no safety and can say, because participate in design and the technician of exploitation financial terminal and the related personnel who grasps this technology, as long as can touch the interlock circuit of financial terminal, with regard to the easy encryption key that obtains this terminal of energy, and then decode the bank card password of holder input like a cork, even also can answer the bank card password that connects direct acquisition holder input, the hidden danger of the holder's fund security that constitutes a threat to by circuit.
Summary of the invention
The objective of the invention is to overcome the hidden danger that sensitive datas such as having bank card password now is given away secrets easily, a kind of device that can prevent financial terminal susceptivity data missing is provided.
Purpose of the present invention is achieved by the following technical programs: it comprises an obturator that prevents from the data encrypted circuit is surveyed, an obturator disassemble testing circuit, data self-destruct circuit;
Described obturator is by main printed circuit board, above holding circuit plate and lateral protection circle constitute; Described obturator disassemble testing circuit mainly by the detection lead that is distributed in main printed circuit board, top holding circuit plate and lateral protection circle inside and be connected main printed circuit board and conductive rubber line, the testing circuit of lateral protection circle constitute, the lateral protection circle is fixed on the main printed circuit board, top holding circuit plate is fixed on main printed circuit board and the lateral protection circle, has hole slot and pass through for the conductive rubber line on the lateral protection circle; Testing circuit, data storage cell, data self-destruct circuit are connected with rechargeable battery, externally power-off or when outage, testing circuit, data storage cell, data self-destruct circuit are powered by rechargeable battery, and external power source is just often also charged to rechargeable battery simultaneously by external power source.
For more effectively detecting disassembling to top holding circuit plate, be distributed with the detection lead on the top holding circuit plate, at least one group on every limit, and link to each other with main printed circuit board by the conductive rubber line, these detect lead and are woven into netted, be arranged on the top holding circuit plate, form top holding circuit plate is disassembled the traverse net of detection; Two end points on every lead are connected respectively on two different pins of testing circuit, all have different pulse signals to pass through on the every lead, when these detect open wires or will detected circuit detect during short circuit mutually.
One of purpose of using top holding circuit plate of conductive rubber line connection and main printed circuit board is easy for installation, and two of purpose is can detect top holding circuit plate effectively to be opened.During the holding circuit plate, can cause disconnecting with the nature that is connected of main printed circuit board above taking apart, testing circuit detects top holding circuit plate and is opened; Do not take top holding circuit plate apart, but when punching is attempted the circuit in the obturator surveyed on the holding circuit plate, can cause part to detect opening circuit or short circuit of lead in the above, can detected circuit detect equally.
Equally also arrange in the lateral protection circle and detect lead, and directly link to each other with main printed circuit board, the layout of the detection lead on these layouts that detect leads and the top holding circuit plate is similar, netted layout, when these detect open wires or mutual short circuit, can detected circuit detect too; At least arrange also on the main printed circuit board that one deck detects lead and links to each other with testing circuit; the method for arranging of these detection leads is identical with the detection lead on the top holding circuit plate, can effectively prevent from from the main printed circuit board punching circuit in the obturator to be surveyed.
The present invention effectively bank card password of holder's input is decrypted, and prevents to answer the bank card password that connects direct acquisition holder input by circuit, eliminates the hidden danger that threatens holder's fund security.
Description of drawings
Fig. 1 is the structural representation of one embodiment of the invention;
Fig. 2 detects the traverse net structural representation for embodiment illustrated in fig. 1 disassembling.
Embodiment
Below in conjunction with drawings and Examples the present invention is described in further detail.
With reference to Fig. 1, present embodiment comprises an obturator that prevents from the data encrypted circuit is surveyed, an obturator disassemble testing circuit and data self-destruct circuit 6;
Described obturator, by main printed circuit board 1, above holding circuit plate 2 and lateral protection circle 3 constitute; Described obturator disassemble testing circuit mainly by the detection lead 9-3 of detection lead 9-2 that is distributed in the detection lead 9-1 of main printed circuit board 1, top holding circuit plate 2 and lateral protection circle 3 inside, the conductive rubber line 4, the testing circuit 5 that connect main printed circuit board 1 and lateral protection circle 3 constitute, lateral protection circle 3 directly is welded on the main printed circuit board 1, top holding circuit plate 2, has hole slot and passes through for conductive rubber line 4 on main printed circuit board 1 and lateral protection circle 3 by screw retention on lateral protection circle 3; Testing circuit 5, data storage cell 7 and data self-destruct circuit 6 link to each other with rechargeable battery 8; Testing circuit 5, data storage cell 7 and data self-destruct circuit 6, externally power-off or when outage, by rechargeable battery 8 power supplies, externally power supply just often, by external power source and give rechargeable battery 8 chargings simultaneously.The data storage cell 7 of storage sensitive data is low-power consumption RAM.
When external power source cut out, if take off rechargeable battery 8, testing circuit 5 quit work, but the data that are stored in the storage unit 7 also can be because of outage disappears simultaneously, therefore can not cause detecting the data that occur when the quitting work phenomenon of giving away secrets because of outage.But have only externally power supply just often could change rechargeable battery 8, otherwise can cause losing of data.Conductive rubber line 4, data storage cell 7, testing circuit 5, data the self-destruct circuit 6 and interlock circuit of these data processing all is placed in this obturator, only handle or ciphered data just spread out of this obturator by lead.
For detecting disassembling effectively to top holding circuit plate 2; be distributed with 4 groups on the top holding circuit plate 2 and detect lead; one group on every limit; and link to each other with main printed circuit board 1 by conductive rubber line 4; these detect leads be woven into netted be clouded in to form on the top holding circuit plate 2 top holding circuit plate 2 is disassembled the traverse net of detection, as shown in Figure 2.Two end points on every lead are connected respectively on two different pins of testing circuit, all have different pulse signals to pass through on the every lead, when these detect open wires or will detected circuit detect during short circuit mutually.One of purpose of using top holding circuit plate 2 of conductive rubber line connection and main printed circuit board 1 is easy for installation, and two of purpose is can detect top holding circuit plate 2 effectively to be opened.During holding circuit plate 2, can cause disconnecting with the nature that is connected of main printed circuit board 1 above taking apart, testing circuit 5 detects top holding circuit plate 2 and is opened; Do not take top holding circuit plate 2 apart, but when punching is attempted the circuit in the obturator surveyed on the holding circuit plate 2, can cause part to detect opening circuit or short circuit of lead in the above, can detected circuit 5 detect equally.
Arranged equally also in the lateral protection circle 3 that many are detected lead; and directly link to each other with main printed circuit board 1; the layout of the detection lead on these layouts that detect leads and the top holding circuit plate 2 is similar, when these detect open wires or mutual short circuit, can detected circuit 5 detect too.Arrange on the main printed circuit board 1 that one deck detects lead and links to each other with testing circuit 5; the method for arranging of these detection leads is identical with the detection lead on the top holding circuit plate 2, can effectively prevent from from main printed circuit board 1 punching the circuit in the obturator to be surveyed.
Claims (6)
1. device that prevents financial terminal susceptivity data missing, it is characterized in that, it comprises an obturator that prevents from the data encrypted circuit is surveyed, an obturator disassemble testing circuit, the data self-destruct circuit, described obturator is by main printed circuit board, above holding circuit plate and lateral protection circle constitute; Described obturator disassemble testing circuit mainly by the detection lead that is distributed in main printed circuit board, top holding circuit plate and lateral protection circle inside and be connected main printed circuit board and conductive rubber line, the testing circuit of lateral protection circle constitute, the lateral protection circle is fixed on the main printed circuit board, top holding circuit plate is fixed on main printed circuit board and the lateral protection circle, has hole slot and pass through for the conductive rubber line on the lateral protection circle; Testing circuit, data storage cell, data self-destruct circuit are connected with rechargeable battery.
2. the device that prevents financial terminal susceptivity data missing according to claim 1, it is characterized in that, be distributed with the detection lead on the holding circuit plate above described, at least one group on every limit, and link to each other with main printed circuit board by the conductive rubber line, these detection leads are woven into mesh cloth and place on the top holding circuit plate, form top holding circuit plate is disassembled the traverse net of detection; Two end points on every lead are connected respectively on two different pins of testing circuit, all have different pulse signals to pass through on the every lead.
3. the device that prevents financial terminal susceptivity data missing according to claim 1 and 2; it is characterized in that; equally also arranged the detection lead in the described lateral protection circle; and directly link to each other with main printed circuit board; the layout of the detection lead on these layouts that detect leads and the top holding circuit plate is similar, reticulates layout.
4. the device that prevents financial terminal susceptivity data missing according to claim 1 and 2 is characterized in that, also is furnished with one deck detection lead on the described main printed circuit board at least and links to each other with testing circuit.
5. the device that prevents financial terminal susceptivity data missing according to claim 3 is characterized in that, also is furnished with one deck detection lead on the described main printed circuit board at least and links to each other with testing circuit.
6. the device that prevents financial terminal susceptivity data missing according to claim 1 and 2 is characterized in that, described data storage cell is low-power consumption RAM.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2007100359461A CN101159072B (en) | 2007-10-22 | 2007-10-22 | Device for preventing financial terminal susceptivity data missing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2007100359461A CN101159072B (en) | 2007-10-22 | 2007-10-22 | Device for preventing financial terminal susceptivity data missing |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101159072A true CN101159072A (en) | 2008-04-09 |
| CN101159072B CN101159072B (en) | 2012-01-11 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2007100359461A Expired - Fee Related CN101159072B (en) | 2007-10-22 | 2007-10-22 | Device for preventing financial terminal susceptivity data missing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101159072B (en) |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101582108B (en) * | 2009-06-05 | 2010-12-29 | 青岛海信智能商用设备有限公司 | Sensitive data protection system |
| CN102968854A (en) * | 2012-11-29 | 2013-03-13 | 长城信息产业股份有限公司 | Uncovered data self-destruction device for safety payment terminal and method |
| CN103530579A (en) * | 2013-10-31 | 2014-01-22 | 太阳神(珠海)电子有限公司 | Electronic product security device, magnetic head and card reader |
| CN103544789A (en) * | 2013-09-30 | 2014-01-29 | 福建联迪商用设备有限公司 | POS (point of sale) machine and method and devices for protecting sensitive data in POS machine |
| CN104852804A (en) * | 2015-05-11 | 2015-08-19 | 苏州锟恩电子科技有限公司 | Dynamic token device |
| CN105185003A (en) * | 2015-09-14 | 2015-12-23 | 深圳市新国都支付技术有限公司 | POS machine safety protection method, installation structure and POS machine based thereon |
| CN105279461A (en) * | 2015-10-29 | 2016-01-27 | 江苏和乔科技股份有限公司 | Safety protection device capable of preventing information stealing through disassembling shell and LCD screen |
| CN107358130A (en) * | 2016-05-10 | 2017-11-17 | 佛山市顺德区顺达电脑厂有限公司 | Tamperproof system and its tamper-protection circuit |
| CN114113699A (en) * | 2021-11-03 | 2022-03-01 | 广东天波信息技术股份有限公司 | Anti-disassembly device and method and electronic equipment |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1377218A (en) * | 2001-03-23 | 2002-10-30 | 黄国铉 | Method for making short-circuit test tool of PCB and its short-circuit test method |
| CN2563643Y (en) * | 2001-12-28 | 2003-07-30 | 深圳市华美龙防伪网络系统有限公司 | Dynamic variable cod eelectronic anti-fake device |
| CN2779485Y (en) * | 2005-08-16 | 2006-05-10 | 北京捷联浩迪科技有限公司 | High-security mobile data storage device |
-
2007
- 2007-10-22 CN CN2007100359461A patent/CN101159072B/en not_active Expired - Fee Related
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101582108B (en) * | 2009-06-05 | 2010-12-29 | 青岛海信智能商用设备有限公司 | Sensitive data protection system |
| CN102968854A (en) * | 2012-11-29 | 2013-03-13 | 长城信息产业股份有限公司 | Uncovered data self-destruction device for safety payment terminal and method |
| CN103544789A (en) * | 2013-09-30 | 2014-01-29 | 福建联迪商用设备有限公司 | POS (point of sale) machine and method and devices for protecting sensitive data in POS machine |
| CN103544789B (en) * | 2013-09-30 | 2016-02-03 | 福建联迪商用设备有限公司 | The method and apparatus of sensitive data in POS, protection POS |
| CN103530579A (en) * | 2013-10-31 | 2014-01-22 | 太阳神(珠海)电子有限公司 | Electronic product security device, magnetic head and card reader |
| CN104852804A (en) * | 2015-05-11 | 2015-08-19 | 苏州锟恩电子科技有限公司 | Dynamic token device |
| CN105185003A (en) * | 2015-09-14 | 2015-12-23 | 深圳市新国都支付技术有限公司 | POS machine safety protection method, installation structure and POS machine based thereon |
| CN105279461A (en) * | 2015-10-29 | 2016-01-27 | 江苏和乔科技股份有限公司 | Safety protection device capable of preventing information stealing through disassembling shell and LCD screen |
| CN107358130A (en) * | 2016-05-10 | 2017-11-17 | 佛山市顺德区顺达电脑厂有限公司 | Tamperproof system and its tamper-protection circuit |
| CN107358130B (en) * | 2016-05-10 | 2020-06-26 | 佛山市顺德区顺达电脑厂有限公司 | Tamper-resistant system and tamper-resistant circuit therefor |
| CN114113699A (en) * | 2021-11-03 | 2022-03-01 | 广东天波信息技术股份有限公司 | Anti-disassembly device and method and electronic equipment |
Also Published As
| Publication number | Publication date |
|---|---|
| CN101159072B (en) | 2012-01-11 |
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| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120111 Termination date: 20211022 |