CN105303129A - Security protection device capable of avoiding from stealing information through IC (Identity Card) reading module - Google Patents
Security protection device capable of avoiding from stealing information through IC (Identity Card) reading module Download PDFInfo
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- CN105303129A CN105303129A CN201510723022.5A CN201510723022A CN105303129A CN 105303129 A CN105303129 A CN 105303129A CN 201510723022 A CN201510723022 A CN 201510723022A CN 105303129 A CN105303129 A CN 105303129A
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F21/00—Security arrangements for protecting computers, components thereof, programs or data against unauthorised activity
- G06F21/70—Protecting specific internal or peripheral components, in which the protection of a component leads to protection of the entire computer
- G06F21/78—Protecting specific internal or peripheral components, in which the protection of a component leads to protection of the entire computer to assure secure storage of data
- G06F21/79—Protecting specific internal or peripheral components, in which the protection of a component leads to protection of the entire computer to assure secure storage of data in semiconductor storage media, e.g. directly-addressable memories
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- General Engineering & Computer Science (AREA)
- General Physics & Mathematics (AREA)
- Control Of Vending Devices And Auxiliary Devices For Vending Devices (AREA)
- Credit Cards Or The Like (AREA)
Abstract
The invention discloses a security protection device capable of avoiding from stealing information through an IC (Identity Card) reading module. A mainboard is provided with an MCU (Microprogrammed Control Unit) with a detection circuit and a self-destruction circuit, the IC card reading module and an IC holder, wherein the mainboard is provided with a wall board and an IC cover board; the wall board surrounds four side surfaces of the IC reading module and other three side surfaces, except an IC card inserting surface, on the IC holder; the IC card cover board is tightly fit and covered on the wall board; the wall board is provided with a first protection circuit conducted with a detection circuit in the MCU; the IC cover board is provided with a second protection circuit conducted with the detection circuit in the MCU; and if the first protection circuit or the second protection circuit is disconnected, or any one protection circuit and the detection circuit are disconnected, the MCU starts the self-destruction circuit to clear data stored in the MCU. The difficulty that storage data in the MCU is stolen through the IC card reading module is greatly improved, and the safety use performance of financial payment terminal equipment is improved.
Description
Technical field
The present invention relates to thief-proof close technical protection field on financial transaction terminal equipment, particularly relate to a kind of preventing and carry out the safety guard of stealing secret information by IC-card read module.
Background technology
Along with the development & application of infotech, financial payment has been widely used in daily life, in most of supermarket, the regular place of business such as brand shop is all equipped with financial payment terminal equipment, as pos machine etc., part financial payment terminal equipment can also carry out payment of swiping the card, the multiple modes of payments such as IC-card payment, people can carry out financial payment by financial payment terminal equipment easily in shopping process, financial payment relates to the data such as the Financial Information of user, once be stolen, consequence is very serious, thus the security performance of financial payment terminal equipment also more and more comes into one's own.The MCU be arranged in the financial payment terminal equipment of IC-card payment on mainboard can be carried out, be called for short micro-control unit, also known as one chip microcomputer or single-chip microcomputer, it is the core of financial payment terminal equipment, in IC-card payment process, the data such as the Financial Information of user are stored in MCU after being read by IC-card read module, at present the anti-dismounting to financial payment terminal device housings body is also only confined to the protection of IC-card read module, tamper-proof protection, once the shell body of financial payment terminal equipment is removed smoothly, the person of stealing secret information just attacks MCU by IC-card read module, thus obtain the data messages such as the financial password of user easily, so just cannot ensure the safe application performance of financial payment terminal equipment well, there is potential safety hazard in the Financial Information of user.
Summary of the invention
The technical matters of solution required for the present invention is: provide a kind of preventing to carry out the safety guard of stealing secret information by IC-card read module, thus improve the safe application performance that in financial payment terminal equipment, IC-card pays.
For solving the problem, the technical solution used in the present invention is: described preventing carries out the safety guard of stealing secret information by IC-card read module, mainboard is provided with the MCU of band testing circuit and self-destruct circuit, IC-card read module and IC-card seat, a wherein side of IC-card seat is the IC-card plug-in card face of inserting for IC-card, mainboard is provided with curtain wall penel and IC-card cover plate, other three sides on four of IC-card read module sides and IC-card seat except IC-card plug-in card face surround by described curtain wall penel, IC-card cover plate is close to and is covered on curtain wall penel, by IC-card read module and IC-card seat respectively cover cap by mainboard, in the IC-card read module container cavity that curtain wall penel and IC-card cover plate are formed and IC-card seat container cavity, curtain wall penel is provided with the first protection circuit, testing circuit in first protection circuit and MCU is conducted and both junctions are outside not exposed, IC-card cover plate is provided with the second protection circuit, testing circuit in second protection circuit and MCU is conducted and both junctions are outside not exposed, if the arbitrary protection circuit in the first protection circuit or the second protection circuit open circuit or the first protection circuit and the second protection circuit and testing circuit disconnect, MCU will start self-destruct circuit and remove the data stored in MCU.
Further, aforesaid preventing carries out the safety guard of stealing secret information by IC-card read module, wherein, the mainboard being positioned at IC-card read module container cavity place is provided with the first inlet wire contact and the first outlet contact that are connected with testing circuit, the curtain wall penel medial surface being positioned at IC-card read module container cavity place is provided with the first inlet wire point and the first outlet point of the first protection circuit, first inlet wire point and the first outlet point respectively with the first inlet wire contact and the first outlet contact conducting, thus make the first protection circuit be connected conducting with testing circuit, first inlet wire point and the first inlet wire contact separation or the first outlet point and the first outlet contact separation, capital makes the first protection circuit and testing circuit disconnect, MCU will start self-destruct circuit and remove the data stored in MCU.
Further, aforesaid preventing carries out the safety guard of stealing secret information by IC-card read module, wherein, the first described protection circuit is at least by two-way labyrinth-like railway superstructures, the number being arranged at the first inlet wire contact on mainboard and the first outlet contact matches corresponding with the number of labyrinth-like circuit, the first inlet wire contact that first inlet wire point of each labyrinth-like circuit and the first outlet point are corresponding with on mainboard respectively and the first outlet contact conducting, thus make each labyrinth-like circuit be connected conducting with testing circuit respectively, arbitrary labyrinth-like line broken circuit or disconnect with testing circuit, MCU will start self-destruct circuit and remove the data stored in MCU.
Further, aforesaid preventing carries out the safety guard of stealing secret information by IC-card read module, and wherein, the first inlet wire point of the first protection circuit and the first outlet point are welded on the first corresponding inlet wire contact and the first outlet contact respectively by scolding tin.
Further; aforesaid preventing carries out the safety guard of stealing secret information by IC-card read module; wherein; the second described protection circuit is at least by two-way labyrinth-like railway superstructures; each labyrinth-like circuit is connected conducting with testing circuit respectively; arbitrary labyrinth-like line broken circuit or disconnect with testing circuit, MCU will start self-destruct circuit and remove the data stored in MCU.
Further, aforesaid preventing carries out the safety guard of stealing secret information by IC-card read module, wherein, the curtain wall penel being positioned at IC-card seat both sides is respectively arranged with the elongated slot of a up/down perforation, a zebra bar is respectively arranged with in two elongated slots, the mainboard being positioned at elongated slot place is provided with the second inlet wire contact and the second outlet contact that are connected conducting with testing circuit, the number of the second inlet wire contact and the second outlet contact and the number Corresponding matching of each labyrinth-like circuit, when IC-card cover plate be close to cover on curtain wall penel time, second inlet wire point of each labyrinth-like circuit and the second outlet point by two zebra bars respectively with the second inlet wire contact on mainboard and the second outlet contact conducting, thus make the second protection circuit and testing circuit conducting.
Further, aforesaid preventing carries out the safety guard of stealing secret information by IC-card read module, wherein, curtain wall penel is provided with some cylindrical rubber conducting particless, IC-card cover plate is provided with can be corresponding with each cylindrical rubber conducting particles conducting contact, each conducting contact is separately positioned in each labyrinth-like circuit, and the labyrinth-like circuit at two ends, each conducting contact disconnects, when IC-card cover plate be close to cover on curtain wall penel time, each cylindrical rubber conducting particles is pressed on corresponding conducting contact, thus the labyrinth-like circuit being positioned at two ends, conducting contact is connected conducting by cylindrical rubber conducting particles.
Further, aforesaid preventing carries out the safety guard of stealing secret information by IC-card read module, and wherein, curtain wall penel lateral surface edge is welded and fixed by scolding tin on the ground wire that is arranged on mainboard.
The invention has the beneficial effects as follows: curtain wall penel and IC-card cover plate by IC-card read module and IC-card seat cover cap by mainboard, in the IC-card read module container cavity that curtain wall penel and IC-card cover plate are formed and IC-card seat container cavity, form the protective barrier of surrounding IC-card read module and IC-card seat, if the person of stealing secret information by holing on IC-card cover plate, curtain wall penel is holed, prize the modes such as curtain wall penel edge to break through protective barrier thus contact IC-card read module, the first protection circuit or the second protection circuit open circuit are caused in capital, or the arbitrary protection circuit in the first protection circuit and the second protection circuit and testing circuit disconnect, now MCU will start the data stored in self-destruct circuit removing MCU, so just considerably increase and steal in MCU by IC-card read module the difficulty storing data, substantially increase the safe application performance of financial payment terminal equipment.
Accompanying drawing explanation
Fig. 1 is the structural representation preventing from being undertaken by IC-card read module the safety guard of stealing secret information of the present invention.
Fig. 2 is the structural representation removing mainboard after IC-card cover plate in Fig. 1.
Fig. 3 is the structural representation removing mainboard after IC-card cover plate and curtain wall penel in Fig. 1.
Fig. 4 is the structural representation of curtain wall penel in Fig. 2.
Fig. 5 be in Fig. 1 on IC-card cover plate with the structural representation of mainboard opposite face.
Fig. 6 is the circuit theory diagrams preventing from being undertaken by IC-card read module the safety guard of stealing secret information of the present invention.
Embodiment
Below in conjunction with accompanying drawing and preferred embodiment, technical solutions according to the invention are described in further detail.
As depicted in figs. 1 and 2, preventing described in the present embodiment carries out the safety guard of stealing secret information by IC-card read module, mainboard 1 is provided with the MCU of band testing circuit and self-destruct circuit, IC-card read module 2 and IC-card seat 3, a wherein side of IC-card seat 3 is the IC-card plug-in card face 31 of inserting for IC-card, metal terminal in IC-card seat 3, IC-card read module 2 and MCU are interconnected conducting, during work, IC-card inserts IC-card seat 3 from IC-card plug-in card face 31, IC-card read module 2 reads the financial information data in IC-card by metal terminal and is stored in MCU by the financial information data of reading, IC-card read module 2 reads chip and IC-card agreement composition primarily of IC-card, the present invention only protects the protective device protected IC-card read module 2, and do not protect the concrete structure of IC-card read module 2, and the concrete structure of IC-card read module 2 is prior art, just repeat no more at this.Mainboard 1 is provided with curtain wall penel 4 and IC-card cover plate 5, other three sides on four of IC-card read module 2 sides and IC-card seat 3 except IC-card plug-in card face 31 surround by described curtain wall penel 4, IC-card cover plate 5 is close to and is covered on curtain wall penel, by IC-card read module 2 and IC-card seat 3 respectively cover cap in the IC-card read module container cavity be made up of mainboard 1, curtain wall penel 4 and IC-card cover plate 5 and IC-card seat container cavity; Curtain wall penel 4 is provided with the first protection circuit; testing circuit in first protection circuit and MCU is conducted and both junctions are outside not exposed; IC-card cover plate 5 is provided with the second protection circuit; testing circuit in second protection circuit and MCU is conducted and both junctions are outside not exposed; if the arbitrary protection circuit in the first protection circuit or the second protection circuit open circuit or the first protection circuit and the second protection circuit and testing circuit disconnect, MCU will start self-destruct circuit and remove the data stored in MCU.
In the present embodiment, the mainboard 1 being positioned at IC-card read module container cavity place is provided with the first inlet wire contact and the first outlet contact that are connected with testing circuit, curtain wall penel 4 medial surface being positioned at IC-card read module container cavity place is provided with the first inlet wire point and the first outlet point of the first protection circuit, first inlet wire point and the first outlet point respectively with the first inlet wire contact and the first outlet contact conducting, thus make the first protection circuit be connected conducting with testing circuit, in the present embodiment, first inlet wire point of the first protection circuit and the first outlet point are welded on the first corresponding inlet wire contact and the first outlet contact respectively by scolding tin.First inlet wire point and the first inlet wire contact separation or the first outlet point and the first outlet contact separation, the first protection circuit and testing circuit all can be made to disconnect, and MCU will start self-destruct circuit and remove the data stored in MCU.In the present embodiment, curtain wall penel 4 lateral surface edge is welded and fixed by scolding tin on the ground wire that is arranged on mainboard 1.The first protection circuit described in the present embodiment is at least by two-way labyrinth-like railway superstructures; the number being arranged at the first inlet wire contact on mainboard 1 and the first outlet contact matches corresponding with the number of labyrinth-like circuit; the first inlet wire contact that first inlet wire point of each labyrinth-like circuit and the first outlet point are corresponding with on mainboard 1 respectively and the first outlet contact conducting; thus make each labyrinth-like circuit be connected conducting with testing circuit respectively; arbitrary labyrinth-like line broken circuit or disconnect with testing circuit, MCU will start self-destruct circuit and remove the data stored in MCU.
See Fig. 3, shown in Fig. 4 and Fig. 6, in the present embodiment with the first protection circuit by two-way labyrinth-like circuit: first branch's labyrinth-like circuit 91 and second branch's labyrinth-like circuit 92 are configured to example and are described, mainboard is provided with the first branch's inlet wire contact 11 be connected with testing circuit, first branch's outlet contact 12, second branch's inlet wire contact 14 and second branch's outlet contact 13, first branch's inlet wire point 41 of first branch's labyrinth-like circuit 91 and the first branch outlet point 42, and second branch's labyrinth-like circuit 92 second branch's inlet wire point 44 and the second branch outlet point 43 be arranged on curtain wall penel 4, when curtain wall penel 4 is fixedly installed on mainboard 1, first branch's inlet wire point 41 of first branch's labyrinth-like circuit 91 to be welded on first branch's inlet wire contact 11 by scolding tin and to contact conducting with first branch's inlet wire contact 11, the first branch outlet point 42 of first branch's labyrinth-like circuit 91 to be welded on first branch's outlet contact 12 by scolding tin and to contact conducting with first branch's outlet contact 12, thus make first branch's labyrinth-like circuit 91 be connected conducting with testing circuit, second branch's inlet wire point 44 of second branch's labyrinth-like circuit 92 to be welded on second branch's inlet wire contact 14 by scolding tin and to contact conducting with second branch's inlet wire contact 14, the second branch outlet point 43 of second branch's labyrinth-like circuit 92 to be welded on second branch's outlet contact 13 by scolding tin and to contact conducting with second branch's outlet contact 13, thus make second branch's labyrinth-like circuit 92 be connected conducting with testing circuit, arbitrary branch labyrinth-like line broken circuit in first branch's labyrinth-like circuit 91 and second branch's labyrinth-like circuit 92 or disconnect with testing circuit, MCU can start self-destruct circuit and remove the data stored in MCU.If the person of stealing secret information contacts IC-card read module by the mode such as edge of curtain wall penel 4 of holing on curtain wall penel 4, prize, first branch's labyrinth-like circuit 91 is caused in capital or/and the second branch labyrinth-like circuit 92 open circuit or disconnect with testing circuit, and now MCU will start self-destruct circuit and removes the data stored in MCU.
The second protection circuit described in the present embodiment is at least by two-way labyrinth-like railway superstructures; each labyrinth-like circuit is connected conducting with testing circuit respectively; arbitrary labyrinth-like line broken circuit or disconnect with testing circuit, MCU will start self-destruct circuit and remove the data stored in MCU.As shown in Figure 2 and Figure 4, the curtain wall penel 4 being positioned at IC-card seat 3 both sides is respectively arranged with the elongated slot 45 of a up/down perforation, a zebra bar 6 is respectively arranged with in two elongated slots 45, the mainboard 1 being positioned at elongated slot 45 place is provided with the second inlet wire contact and the second outlet contact that are connected conducting with testing circuit, number and the number Corresponding matching being arranged at each labyrinth-like circuit in IC-card cover plate 5 of the second inlet wire contact and the second outlet contact, IC-card cover plate 5 is close to when covering on curtain wall penel 4, second inlet wire point of each labyrinth-like circuit and the second outlet point by two zebra bars 6 respectively with the second inlet wire contact on mainboard 1 and the second outlet contact conducting, thus make the second protection circuit and testing circuit conducting.In the present embodiment, curtain wall penel 4 is provided with some cylindrical rubber conducting particless, IC-card cover plate 5 is provided with can be corresponding with each cylindrical rubber conducting particles conducting contact, each conducting contact is separately positioned in each labyrinth-like circuit, the labyrinth-like circuit at two ends, each conducting contact disconnects, when IC-card cover plate 5 be close to cover on curtain wall penel 4 time, each cylindrical rubber conducting particles is pressed on corresponding conducting contact, thus the labyrinth-like circuit being positioned at two ends, conducting contact is connected conducting by cylindrical rubber conducting particles.
Shown in Fig. 3, Fig. 5 and Fig. 6; in the present embodiment with the second protection circuit by two-way labyrinth-like circuit: the 3rd branch's labyrinth-like circuit 93 and the 4th branch's labyrinth-like circuit 94 are configured to example and are described; first conducting contact 81 is arranged in the 3rd branch's labyrinth-like circuit 93; second conducting contact 82 is arranged in the 4th branch's labyrinth-like circuit 94, curtain wall penel 4 is provided with and contacts the first cylindrical rubber conducting particles 71 and the second cylindrical rubber conducting particles 72 of conducting with the second conducting contact 82 with the first conducting contact 81 respectively.When IC-card cover plate 5 be close under external force cover on curtain wall penel 4 time, 3rd inlet wire point 51 of the 3rd branch's labyrinth-like circuit 93 is connected conducting by zebra articles 6 with the 3rd inlet wire contact 16,3rd outlet point 52 of the 3rd branch's labyrinth-like circuit 93 is connected conducting by zebra articles 6 with the 3rd outlet contact 17, first cylindrical rubber conducting particles 71 contacts conducting with the first conducting contact 81, thus makes the 3rd branch's labyrinth-like circuit 93 be connected conducting with testing circuit.4th inlet wire point 53 of the 4th branch's labyrinth-like circuit 94 is connected conducting by zebra articles 6 with the 4th inlet wire contact 18,4th outlet point 54 of the 4th branch's labyrinth-like circuit 94 is connected conducting by zebra articles 6 with the 4th outlet contact 19, second cylindrical rubber conducting particles 72 contacts conducting with the second conducting contact 82, thus makes the 4th branch's labyrinth-like circuit 94 be connected conducting with testing circuit; If the 3rd inlet wire point 51 and the 3rd inlet wire contact 16, the 3rd outlet point 52 and the 3rd outlet contact 17, first cylindrical rubber conducting particles 71 and the first conducting contact 81, the 4th inlet wire point 53 and the 4th inlet wire contact 18, the 4th outlet point 54 and between the 4th outlet contact 19, second cylindrical rubber conducting particles 72 and the second conducting contact 82 arbitrary to mutually depart from not conducting all can cause the 3rd branch's labyrinth-like circuit 93 or the 4th labyrinth-like branched line 94 open circuit or and testing circuit disconnect, now MCU will start self-destruct circuit and removes the data stored in MCU.
In actual installation process; when the shell body of financial payment terminal equipment is involutory upper; IC-card cover plate 5 is close to and is covered on curtain wall penel 4 under the compressing of shell body; if shell body is opened after breaking through the anti-dismounting be originally arranged on shell body, vandal-proof protective device by the person relatively of stealing secret information; then IC-card cover plate 5 is pressed on the power release on curtain wall penel 4; now multiple cylindrical rubber conducting particles will with corresponding conducting contact separation; this will cause multichannel labyrinth-like circuit to disconnect, and MCU will start self-destruct circuit and remove the data stored in MCU.Even if the person's of stealing secret information smooth opening shell body and ensure that IC-card cover plate 5 is still close to and cover on curtain wall penel 4, namely each cylindrical rubber conducting particles still keeps in touch conducting with corresponding conducting contact, or cannot directly contact IC-card read module 2, also need the protective barrier breaking through encirclement IC-card the read module 2 and IC-card seat 3 be made up of curtain wall penel 4 and IC-card cover plate 5 further, if the person of stealing secret information by holing on IC-card cover plate 5, curtain wall penel 4 is holed, prize the modes such as the edge of curtain wall penel 4 to break through protective barrier thus contact IC-card read module 2, capital is caused the first protection circuit or the second protection circuit open circuit or is disconnected with testing circuit, now MCU will start the data stored in self-destruct circuit removing MCU, thus considerably increase and steal in MCU by IC-card read module 2 difficulty storing data, substantially increase the safe application performance of financial payment terminal equipment, just without the need to setting up cryptographic protocol again in such IC-card read module 2, IC-card read module 2 can directly adopt expressly load mode that the data that IC-card read module 2 reads are transferred to MCU, greatly reduce manufacturing cost.
Advantage of the present invention is: curtain wall penel 4 and IC-card cover plate 5 by IC-card read module 2 and IC-card seat 3 cover cap by mainboard 1, in the IC-card read module container cavity that curtain wall penel 4 and IC-card cover plate 5 are formed and IC-card seat container cavity, form the protective barrier of surrounding IC-card read module 2 and IC-card seat 3, if the person of stealing secret information by holing on IC-card cover plate 5, curtain wall penel 4 is holed, prize the modes such as the edge of curtain wall penel 4 to break through protective barrier thus contact IC-card read module 2, the first protection circuit or the second protection circuit open circuit are caused in capital, or the arbitrary protection circuit in the first protection circuit and the second protection circuit and testing circuit disconnect, now MCU will start the data stored in self-destruct circuit removing MCU, so just considerably increase and steal in MCU by IC-card read module 2 difficulty storing data, substantially increase the safe application performance of financial payment terminal equipment.
Claims (8)
1. prevent from carrying out the safety guard of stealing secret information by IC-card read module, mainboard is provided with the MCU of band testing circuit and self-destruct circuit, IC-card read module and IC-card seat, a wherein side of IC-card seat is the IC-card plug-in card face of inserting for IC-card, it is characterized in that: on mainboard, be provided with curtain wall penel and IC-card cover plate, other three sides on four of IC-card read module sides and IC-card seat except IC-card plug-in card face surround by described curtain wall penel, IC-card cover plate is close to and is covered on curtain wall penel, by IC-card read module and IC-card seat respectively cover cap by mainboard, in the IC-card read module container cavity that curtain wall penel and IC-card cover plate are formed and IC-card seat container cavity, curtain wall penel is provided with the first protection circuit, testing circuit in first protection circuit and MCU is conducted and both junctions are outside not exposed, IC-card cover plate is provided with the second protection circuit, testing circuit in second protection circuit and MCU is conducted and both junctions are outside not exposed, if the arbitrary protection circuit in the first protection circuit or the second protection circuit open circuit or the first protection circuit and the second protection circuit and testing circuit disconnect, MCU will start self-destruct circuit and remove the data stored in MCU.
2. carry out the safety guard of stealing secret information according to according to claim 1 preventing by IC-card read module, it is characterized in that: on the mainboard being positioned at IC-card read module container cavity place, be provided with the first inlet wire contact and the first outlet contact that are connected with testing circuit, the curtain wall penel medial surface being positioned at IC-card read module container cavity place is provided with the first inlet wire point and the first outlet point of the first protection circuit, first inlet wire point and the first outlet point respectively with the first inlet wire contact and the first outlet contact conducting, thus make the first protection circuit be connected conducting with testing circuit, first inlet wire point and the first inlet wire contact separation or the first outlet point and the first outlet contact separation, capital makes the first protection circuit and testing circuit disconnect, MCU will start self-destruct circuit and remove the data stored in MCU.
3. carry out the safety guard of stealing secret information according to according to claim 2 preventing by IC-card read module, it is characterized in that: the first described protection circuit is at least by two-way labyrinth-like railway superstructures, the number being arranged at the first inlet wire contact on mainboard and the first outlet contact matches corresponding with the number of labyrinth-like circuit, the first inlet wire contact that first inlet wire point of each labyrinth-like circuit and the first outlet point are corresponding with on mainboard respectively and the first outlet contact conducting, thus make each labyrinth-like circuit be connected conducting with testing circuit respectively, arbitrary labyrinth-like line broken circuit or disconnect with testing circuit, MCU will start self-destruct circuit and remove the data stored in MCU.
4. carry out the safety guard of stealing secret information according to preventing described in Claims 2 or 3 by IC-card read module, it is characterized in that: the first inlet wire point of the first protection circuit and the first outlet point are welded on the first corresponding inlet wire contact and the first outlet contact respectively by scolding tin.
5. carry out the safety guard of stealing secret information according to according to claim 1 preventing by IC-card read module; it is characterized in that: the second described protection circuit is at least by two-way labyrinth-like railway superstructures; each labyrinth-like circuit is connected conducting with testing circuit respectively; arbitrary labyrinth-like line broken circuit or disconnect with testing circuit, MCU will start self-destruct circuit and remove the data stored in MCU.
6. carry out the safety guard of stealing secret information according to according to claim 5 preventing by IC-card read module, it is characterized in that: the elongated slot being respectively arranged with a up/down perforation on the curtain wall penel being positioned at IC-card seat both sides, a zebra bar is respectively arranged with in two elongated slots, the mainboard being positioned at elongated slot place is provided with the second inlet wire contact and the second outlet contact that are connected conducting with testing circuit, the number of the second inlet wire contact and the second outlet contact and the number Corresponding matching of each labyrinth-like circuit, when IC-card cover plate be close to cover on curtain wall penel time, second inlet wire point of each labyrinth-like circuit and the second outlet point by two zebra bars respectively with the second inlet wire contact on mainboard and the second outlet contact conducting, thus make the second protection circuit and testing circuit conducting.
7. carry out the safety guard of stealing secret information according to preventing described in claim 5 or 6 by IC-card read module, it is characterized in that: on curtain wall penel, be provided with some cylindrical rubber conducting particless, IC-card cover plate is provided with can be corresponding with each cylindrical rubber conducting particles conducting contact, each conducting contact is separately positioned in each labyrinth-like circuit, and the labyrinth-like circuit at two ends, each conducting contact disconnects, when IC-card cover plate be close to cover on curtain wall penel time, each cylindrical rubber conducting particles is pressed on corresponding conducting contact, thus the labyrinth-like circuit being positioned at two ends, conducting contact is connected conducting by cylindrical rubber conducting particles.
8. carry out the safety guard of stealing secret information according to according to claim 1 preventing by IC-card read module, it is characterized in that: curtain wall penel lateral surface edge is welded and fixed by scolding tin on the ground wire that is arranged on mainboard.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510723022.5A CN105303129B (en) | 2015-10-29 | 2015-10-29 | Prevent the safety guard stolen secret information by IC card read module |
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| CN201510723022.5A CN105303129B (en) | 2015-10-29 | 2015-10-29 | Prevent the safety guard stolen secret information by IC card read module |
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| CN105303129A true CN105303129A (en) | 2016-02-03 |
| CN105303129B CN105303129B (en) | 2019-04-09 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107980243A (en) * | 2017-03-15 | 2018-05-01 | 深圳大趋智能科技有限公司 | Secure IC protects structure and circuit board |
| CN113837330A (en) * | 2021-09-13 | 2021-12-24 | 深圳市中磁计算机技术有限公司 | Anti-dismantling card reading device |
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| CN102253903A (en) * | 2011-06-27 | 2011-11-23 | 青岛海信智能商用设备有限公司 | Sensitive data anti-theft protection device |
| CN202750378U (en) * | 2012-07-24 | 2013-02-20 | 深圳市新国都技术股份有限公司 | Kernel module protective device and point of sale (POS) composed of the same |
| GB2504481A (en) * | 2012-07-27 | 2014-02-05 | Johnson Electric Sa | Security wrap for protecting electronic device with x-ray impervious screen or x-ray invisible conductive tracks |
| CN203287908U (en) * | 2013-06-20 | 2013-11-13 | 青岛海信智能商用系统有限公司 | Data anti-theft protecting device of IC card base |
| CN203896618U (en) * | 2014-04-30 | 2014-10-22 | 深圳市海能达通信有限公司 | Circuit tamper alarm device |
| CN205121570U (en) * | 2015-10-29 | 2016-03-30 | 江苏和乔科技股份有限公司 | Prevent that it carries out safety arrangement that steals secret information to read module through IC -card |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107980243A (en) * | 2017-03-15 | 2018-05-01 | 深圳大趋智能科技有限公司 | Secure IC protects structure and circuit board |
| WO2018165922A1 (en) * | 2017-03-15 | 2018-09-20 | 深圳大趋智能科技有限公司 | Secure ic protection structure and circuit board |
| CN113837330A (en) * | 2021-09-13 | 2021-12-24 | 深圳市中磁计算机技术有限公司 | Anti-dismantling card reading device |
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