CN105096484A - Method for protecting core area of POS device - Google Patents
Method for protecting core area of POS device Download PDFInfo
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- CN105096484A CN105096484A CN201510433418.6A CN201510433418A CN105096484A CN 105096484 A CN105096484 A CN 105096484A CN 201510433418 A CN201510433418 A CN 201510433418A CN 105096484 A CN105096484 A CN 105096484A
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Abstract
The invention provides a method for protecting the core area of a POS device. An infrared emitter and a receiver are installed on the periphery of the core area of the POS device, wherein the emitter is provided with a plurality of emission ports for emitting infrared signals, and the receiver is provided with a plurality of reception ports which receive infrared signals and correspond to the emission ports one by one. A plurality of infrared rays emitted by the emitter form an infrared protection network, and the emitter and the receiver are respectively connected with the CPU of the POS device. The CPU compares the infrared signals emitted by the emitter with the infrared signals received by the receiver one by one. If the results are consistent, the POS device is not attacked; otherwise, the POS device is attacked and the self protection mechanism of the core area is triggered. The capability for protecting security of important data of a POS device is substantially improved, the user experience is improved, and maintenance on important area is more convenient.
Description
Technical field
The present invention relates to a kind of guard method of POS core space.
Background technology
POS is a kind of point-of-sale terminal with clearing of account function, is widely used in the places such as supermarket, chain store, hypermarket, restaurant.Because relating to the transaction of bank card, very high requirement is had to its security performance, must ensure that the significant data (such as key etc.) inside POS is not stolen, in order to the security performance of specification POS, payment card industry data security standard committee makes PCI Valuation Standard, and PCI Valuation Standard is intended to strict control data and stores with the data security standard ensureing Payment Card user online transaction safety.POS is for meeting PCI standard; by POS core space is surrounded; POS core space internal information is detected to prevent someone; POS core space has generally concentrated all significant data line and sensitive elements carrying key code system and sensitive signal, so this core space becomes the most important thing in safeguard protection.Guard method common at present adopts safety signal line to protect POS core space; safety signal line is a kind of signal wire to signal level sensitivity; safety signal line protected mode mainly contains coiling, protection contact, zebra bar etc.; by the CPU of POS, safety signal line is detected in real time; so that when the level in safety signal line changes; CPU can carry out data self-protection in time, ensures the security of important information.But because safety signal line is a kind of entity apparatus; it comprises input endpoint and exit point; as long as signal source shorted on both ends just can be realized cracking together; therefore there is larger potential safety hazard in this guard method; and this signal protection method is under relatively rugged environment; as steam and salt fog larger when, easily cause signal wire false triggering, impact normally work.
Summary of the invention
The technical problem to be solved in the present invention, is the guard method providing a kind of POS core space, forms infrared catch net, improves the security protection ability of important area, improves Consumer's Experience, and provides convenience for the maintenance of important area.
The present invention is achieved in that a kind of guard method of POS core space, at emitter and the receiving trap of the surrounding installation infrared of POS core space; Described emitter is provided with a plurality of emission port for launching infrared signal, described receiving trap be provided with a plurality of for receive infrared signal with emission port receiving port one to one, the complex root infrared ray that described emitter is launched forms an infrared catch net;
Described emitter and receiving trap are connected with the CPU of POS respectively;
The infrared signal that the infrared signal that emitter is launched by described CPU and corresponding receiving trap receive is compared one by one, if comparison result is consistent, is then judged to not under fire; otherwise; if comparison result is inconsistent, be then judged under fire, and trigger the self-protective mechanism of core space.
Further, described receiving trap and emitter arrange two respectively, receiving trap described in emitter described in two and two surrounds a quadrilateral in the surrounding of described POS core space, and the opposite side of each emitter installs a receiving trap corresponding with it.
Further, described infrared signal carries the random data of encryption, and enciphered data is not easy to be cracked, and ensures signal wire complete safety.
Further, the self-protective mechanism of described core space is specially: wipe all protected datas, to ensure that data are not stolen.
Further, described POS core space comprises CPU, flash memory (FLASH) and random access memory (RAM).
Further; described emission port comprises two-layer up and down; be respectively upper strata emission port and lower floor's emission port; described receiving port correspondence arranges two-layer up and down; comprise upper strata receiving port and lower floor's receiving port, and described upper strata emission port launches infrared signal to upper strata receiving port, lower floor's emission port launches infrared signal to lower floor's receiving port; to increase the closeness of infrared catch net, improve security.
Tool of the present invention has the following advantages:
1, by building infrared catch net, covering protection is carried out to core space, ensure that core space information is not stolen, the strong interference immunity of this infrared catch net, even if also can not cause false triggering in the presence of a harsh environment, do not affect the normal work of POS, improve Consumer's Experience;
2, the random data of encryption is carried by infrared ray, even if to ensure that infrared ray intercepts, the random data of the encryption of the inside is also not easy to be cracked, substantially increase security, and this infrared catch net is different from other switch protection circuits, there is not the potential safety hazard that signal source two ends are cracked by malice short circuit, its security is higher;
3, this infrared catch net constructed by the present invention is made up of the sightless infrared ray of human eye, is different from other entity protective covers.When needing the maintenance carrying out core space, only need close this function of safety protection, just can keep in repair the components and parts of POS core space, and not need to dismantle protection network, greatly facilitate later period maintenance work.
Accompanying drawing explanation
The present invention is further illustrated in conjunction with the embodiments with reference to the accompanying drawings.
Fig. 1 is the logical framework figure of CPU and emitter in the guard method of a kind of POS core space of the present invention, receiving trap.
Fig. 2 is the distribution plan of infrared catch net in the guard method of a kind of POS of the present invention core space.
Fig. 3 is the fundamental diagram of emitter and receiving trap in the guard method of a kind of POS core space of the present invention.
Embodiment
Below in conjunction with a specific embodiment, the present invention is further illustrated:
Refer to Fig. 1 to Fig. 3, a kind of guard method of POS core space, described POS core space 1 comprises CPU11, flash memory (FLASH) and random access memory (RAM), at emitter 2 and the receiving trap 3 of the surrounding installation infrared of POS core space 1, and described receiving trap 3 and emitter 2 arrange two respectively, described in emitter 2 described in two and two, receiving trap 3 surrounds a quadrilateral in the surrounding of described POS core space 1, and the opposite side of each emitter 2 installs a receiving trap 3 corresponding with it, described emitter 2 is provided with a plurality of emission port 21 for launching infrared signal, described receiving trap 3 be provided with a plurality of for receive infrared signal with emission port 21 receiving port 31 one to one, the complex root infrared ray that described emitter 2 is launched forms an intensive infrared catch net 4, described infrared signal carries the random data of encryption,
Described emitter 2 is connected with the CPU11 of POS respectively with receiving trap 3;
As shown in Figure 3, described emission port 21 comprises two-layer up and down, be respectively upper strata emission port A1 and lower floor emission port A2, described receiving port 31 correspondence arranges two-layer up and down, be respectively upper strata receiving port B1 and lower floor receiving port B2, the upper strata emission port A1 of emitter 2 launches infrared signal to the upper strata receiving port B1 of receiving trap 3 correspondence, the lower floor emission port A2 of emitter 2 launches infrared signal to the lower floor receiving port B2 of receiving trap 3 correspondence, two-layer emission port 21 is set and two-layer receiving port 31 can form more intensive infrared catch net 4, improves security protection ability;
The infrared signal that the infrared signal that emitter 2 is launched by described CPU11 receives with corresponding receiving trap 3 is compared one by one, infrared signal as upper strata emission port A1 is compared with the infrared signal that corresponding upper strata receiving port B1 receives, the infrared signal of lower floor emission port A2 is compared with the infrared signal that corresponding lower floor receiving port B2 receives simultaneously, when attempting there being people to attack POS core space 1, infrared catch net 4 will be destroyed, as long as the infrared signal of the receiving port 31 having the infrared signal of an emission port 21 corresponding with it is inconsistent, at this moment the comparison result obtained will be inconsistent, then represent that POS receives attack, CPU11 will trigger the self-protective mechanism of core space 1 immediately, all protected datas are wiped, otherwise, when not having under attack, comparison result is consistent, POS is normally run.The present invention carries out covering protection by building infrared catch net 4 pairs of POS core spaces 1, and ensure that core space information is not stolen, security is high, and the strong interference immunity of this infrared catch net 4, false triggering rate is low, substantially increases Consumer's Experience.
When needs keep in repair POS core space 1, only need close this function of safety protection, just can keep in repair, greatly reduce maintenance difficulty.
Although the foregoing describe the specific embodiment of the present invention; but be familiar with those skilled in the art to be to be understood that; specific embodiment described by us is illustrative; instead of for the restriction to scope of the present invention; those of ordinary skill in the art, in the modification of the equivalence done according to spirit of the present invention and change, should be encompassed in scope that claim of the present invention protects.
Claims (6)
1. a guard method for POS core space, is characterized in that:
At emitter and the receiving trap of the surrounding installation infrared of POS core space; Described emitter is provided with a plurality of emission port for launching infrared signal, described receiving trap be provided with a plurality of for receive infrared signal with emission port receiving port one to one, the complex root infrared ray that described emitter is launched forms an infrared catch net;
Described emitter and receiving trap are connected with the CPU of POS respectively; The infrared signal that the infrared signal that emitter is launched by described CPU and corresponding receiving trap receive is compared one by one, if comparison result is consistent, is then judged to not under fire; otherwise; if comparison result is inconsistent, be then judged under fire, and trigger the self-protective mechanism of core space.
2. the guard method of a kind of POS core space according to claim 1; it is characterized in that: described receiving trap and emitter arrange two respectively; receiving trap described in emitter described in two and two surrounds a quadrilateral in the surrounding of described POS core space, and the opposite side of each emitter installs a receiving trap corresponding with it.
3. the guard method of a kind of POS core space according to claim 1, is characterized in that: described infrared signal carries the random data of encryption.
4. the guard method of a kind of POS core space according to claim 1, is characterized in that: the self-protective mechanism of described core space is specially: wipe all protected datas.
5. the guard method of a kind of POS core space according to claim 1, is characterized in that: described POS core space comprises CPU, flash memory (FLASH) and random-access memory (ram).
6. the guard method of a kind of POS core space according to claim 1; it is characterized in that: described emission port comprises two-layer up and down; be respectively upper strata emission port and lower floor's emission port; described receiving port correspondence arranges two-layer up and down; comprise upper strata receiving port and lower floor's receiving port; and described upper strata emission port launches infrared signal to upper strata receiving port, lower floor's emission port launches infrared signal to lower floor's receiving port.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510433418.6A CN105096484A (en) | 2015-07-22 | 2015-07-22 | Method for protecting core area of POS device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510433418.6A CN105096484A (en) | 2015-07-22 | 2015-07-22 | Method for protecting core area of POS device |
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| Publication Number | Publication Date |
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| CN105096484A true CN105096484A (en) | 2015-11-25 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201510433418.6A Pending CN105096484A (en) | 2015-07-22 | 2015-07-22 | Method for protecting core area of POS device |
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Citations (6)
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|---|---|---|---|---|
| CN2632786Y (en) * | 2003-04-17 | 2004-08-11 | 徐瑞鸿 | Infrared detector |
| US20090162601A1 (en) * | 2007-12-20 | 2009-06-25 | International Business Machines Corporation | Reducing Incident Infrared Radiation Received By One Or More Infrared Detectors In A Self Checkout Point Of Sale System |
| CN102610048A (en) * | 2012-03-31 | 2012-07-25 | 南京物联传感技术有限公司 | Wireless infrared electronic fence and working method thereof |
| CN203217669U (en) * | 2013-03-25 | 2013-09-25 | 同亨科技(苏州)有限公司 | A POS card-swiping terminal with an encryption function |
| CN203773658U (en) * | 2013-12-04 | 2014-08-13 | 杭州海康威视数字技术股份有限公司 | Active infrared intrusion detector alarm system |
| CN204695481U (en) * | 2015-06-23 | 2015-10-07 | 焦作大学 | The antitheft figure bookcase of a kind of alarming electric shock |
-
2015
- 2015-07-22 CN CN201510433418.6A patent/CN105096484A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2632786Y (en) * | 2003-04-17 | 2004-08-11 | 徐瑞鸿 | Infrared detector |
| US20090162601A1 (en) * | 2007-12-20 | 2009-06-25 | International Business Machines Corporation | Reducing Incident Infrared Radiation Received By One Or More Infrared Detectors In A Self Checkout Point Of Sale System |
| CN102610048A (en) * | 2012-03-31 | 2012-07-25 | 南京物联传感技术有限公司 | Wireless infrared electronic fence and working method thereof |
| CN203217669U (en) * | 2013-03-25 | 2013-09-25 | 同亨科技(苏州)有限公司 | A POS card-swiping terminal with an encryption function |
| CN203773658U (en) * | 2013-12-04 | 2014-08-13 | 杭州海康威视数字技术股份有限公司 | Active infrared intrusion detector alarm system |
| CN204695481U (en) * | 2015-06-23 | 2015-10-07 | 焦作大学 | The antitheft figure bookcase of a kind of alarming electric shock |
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Application publication date: 20151125 |
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