WO2018092938A1

WO2018092938A1 - Pci terminal having cover opening detection circuit

Info

Publication number: WO2018092938A1
Application number: PCT/KR2016/013251
Authority: WO
Inventors: 박경학
Original assignee: 주식회사 신흥정밀
Priority date: 2016-11-16
Filing date: 2016-11-17
Publication date: 2018-05-24
Also published as: KR101879282B1; KR20180055252A

Abstract

The present invention relates to a payment card industry (PCI) terminal and, more specifically, to a PCI terminal having a cover opening detection circuit for reinforcing security. The present invention provides a PCI terminal comprising: a circuit board comprising a memory for storing information, a battery for supplying power to the memory, a circuit for connecting the memory and the battery, and a first opening, located on the circuit, for electrically opening the circuit; an upper cover covering the circuit board, and having a second opening in a location corresponding to the first opening; a lower cover supporting the circuit board, and having a male screw part in a location corresponding to the first and second openings; and a female screw part coupled to the male screw part through the first and second openings, and having a band formed thereon and made of a conductor.

Description

PCI terminal with cover open detection circuit

The present invention relates to a payment card industry (PCI) terminal, and more particularly to a PCI terminal having a cover open detection circuit for enhanced security.

Recently, as credit cards are becoming more common as a third currency, PCI terminal technology for verifying credit cards is being developed at credit card issuers. In particular, as a new type of card (hereinafter referred to as an IC card) in which an IC chip is embedded in an existing plastic credit card is becoming popular as a payment method, PCI terminals for IC cards are widely used.

The PCI terminal stores in the memory an encrypted master key which is used to inquire the IC card information. The conventional PCI terminal has a problem in that the master key information stored in the memory can be hacked because the PCI terminal can easily access the memory provided in the circuit board when opened by an external artificial force.

Therefore, in order to improve such a problem, it is necessary to develop a technology capable of physically preventing intrusion by external artificial force on the PCI terminal and protecting information stored in the memory.

SUMMARY OF THE INVENTION The present invention has been made in view of the above-described problems, and an object thereof is to provide a PCI terminal in which the master key information stored in the memory disappears when opened.

A PCI terminal according to an embodiment of the present invention for achieving the above object, a memory for storing information, a battery for supplying power to the memory, a circuit for connecting the memory and the battery, a circuit located on the circuit A circuit board comprising a first opening for electrically opening the cover, the circuit board covering the circuit board, the upper cover including the second opening at a position corresponding to the first opening, the circuit board, the first opening and the second opening A lower cover having a male screw portion formed at a corresponding position, and a female screw portion coupled to the male screw portion through the first opening portion and the second opening portion, and having a band made of a conductor formed on the surface thereof.

Preferably, the number of each of the first opening portion, the second opening portion, the male screw portion, and the female screw portion is an X integer of 1 or more.

Preferably, when all female threaded portions engage with all male threaded portions, the portions electrically opened by the first openings of the circuit are electrically connected through a band of conductors of the female threaded portion, and power is transferred from the battery to the memory through the circuitry. Supplied, the memory stores information only while the female and male threads are engaged.

Preferably, after all female threaded portions have been combined with all male threaded portions, if at least one female threaded portion is separated from the male threaded portion, the circuit is electrically opened by the first opening, the power supply from the battery to the memory is stopped, and the memory is The stored information is lost.

Preferably, the first opening portion, the second opening portion, the male thread portion and the female thread portion are located near the edge of the PCI terminal.

Preferably, when the female screw portion is engaged with the male screw portion, the coupling of the upper cover and the lower cover is completed.

Preferably, the male screw portion includes a threaded first coupling portion on the outside and the female screw portion includes a threaded second coupling portion on the inside.

Preferably, the male screw portion includes a first coupling portion with a stopper formed therein, and the female screw portion includes a second coupling portion including an insertion hole into which the first coupling portion is inserted and a coupling space engaged with the first coupling portion.

Preferably, the information is encrypted master key information.

According to the PCI terminal according to the present invention, when the PCI terminal is opened, it is possible to enhance security by automatically removing the master key information from the memory on the circuit board in the PCI terminal.

1 is a perspective view showing a PCI terminal according to an embodiment of the present invention.

2 is a side cross-sectional view showing a detached state of a PCI terminal according to an embodiment of the present invention.

Figure 3 is a side cross-sectional view showing a coupling state of the PCI terminal according to an embodiment of the present invention.

Figure 4 is a simplified diagram showing the structure of a circuit board according to an embodiment of the present invention.

Figure 5 (a) is a simplified view of the male screw portion and the female screw portion according to an embodiment of the present invention.

Figure 5 (b) is a simplified view of the female screw portion according to an embodiment of the present invention.

Figure 6 (a) is a simplified view of the male screw portion and female screw portion according to an embodiment of the present invention.

Figure 6 (b) is a simplified view of the female screw portion according to an embodiment of the present invention.

In describing the present invention, the names of the elements defined are defined in consideration of functions in the present invention. Therefore, it should not be understood as a meaning limiting the technical components of the present invention. In addition, each name defined in each component may be referred to as other names in the art.

With reference to the accompanying drawings will be described in detail a PCI terminal according to an embodiment of the present invention.

As shown in FIG. 1, the PCI terminal 100 according to an embodiment includes a circuit board 110, an upper cover 120, a lower cover 130, and

female threads

141, 142, 143, and 144. . The circuit board 100 may include a memory 111 for storing information, a battery 112 for supplying power to the memory 111, a circuit 113 for connecting the memory 111 and the battery 112, and a circuit.

First openings

114, 115, 116, 117 positioned on 113 to electrically open circuit 113.

The memory 111 is for storing encrypted master key information. The master key is needed to interpret the user information obtained from the IC card inserted in the PCI terminal. Therefore, when a master key stored in a PCI terminal is leaked, there is a concern that an outsider who is not authorized by the issuer of the IC card may detect and / or forge / modulate the information of the IC card inserted into the PCI terminal. Therefore, information about the master key uniquely assigned to the PCI terminal is encrypted and stored in the memory 111, and preventing the external exposure of the memory 111 is the most important part of the PCI terminal security.

The memory 111 uses volatile memory for security of the encrypted master key. That is, the memory 111 stores information only while power is supplied from the battery 112. In addition, the memory 111 loses stored information when power supply from the battery 112 is stopped. Therefore, if the power supply to the memory 111 can be stopped when the PCI terminal 100 is opened by an external intrusion, information stored in the memory 111 can be prevented from being exposed due to an external intrusion.

The battery 112 is for supplying power to the memory 111, not for supplying power to the processor of the PCI terminal 100. The PCI terminal 100 may further include a separate battery for supplying power to the processor and the processor. In the case of a battery for the processor, unlike the battery 112, it may be modular and detachable to a PCI terminal.

The battery 112 must always supply power while the memory 111 is storing information. Therefore, the memory 111 after starting to store the encrypted master key information is made without interrupting power supply from the battery 112. The memory 111 whose power supply is disconnected from the battery 112 loses the encrypted master key information, and the PCI terminal in which the encrypted master key information is lost in the memory 111 may be disposed of without a separate reuse for security. Can be.

The circuit 113 is a path through which power is supplied from the battery 112 to the memory 111. When the PCI terminal 100 is opened by an external intrusion, if the circuit 113 is physically open, the power supply to the memory 112 may be stopped so that the information stored in the memory 112 is exposed by the external intrusion. You can stop it.

The

first openings

114, 115, 116, 117 are positioned on the circuit 113 to electrically open the circuit 113. When the PCI terminal 100 is assembled, the

female threads

141, 142, 143, and 144 electrically connect portions opened by the

first openings

114, 115, 116, and 117 on the circuit 113. When the PCI terminal 100 is opened by an external intrusion, the

female thread parts

141, 142, 143, and 144 are separated, and the

first openings

114, 115, 116, and 117 electrically open the circuit 113 again. do. That is, the

first openings

114, 115, 116, and 117 physically stop supplying power to the memory 111 when an external intrusion occurs.

The

first openings

114, 115, 116, and 117 are positioned in contact with the corners of the PCI terminal 100 to be physically interlocked when the PCI terminal 100 is opened by external intrusion. Basically, four can be arranged near each corner to match four of the corners of the PCI terminal 100, but is not necessarily limited to four, and X can be arranged to be an integer of 1 or more.

The upper cover 120 is to cover the circuit board 110, and is combined with the lower cover 130 to prevent the circuit board 110 from being exposed to external intrusion. The upper cover 120 includes

second openings

121, 122, 123, and 124 at positions corresponding to the

first openings

114, 115, 116, and 117.

The lower cover 130 is for supporting the circuit board 110, and is combined with the upper cover 130 to prevent the circuit board 110 from being exposed to external intrusion.

Male thread portions

131, 132, 133, and 134 are formed at positions corresponding to the

first openings

114, 115, 116, and 117 and the

second openings

121, 122, 123, and 124 on the lower cover 130. . The

male thread portions

131, 132, 133, and 134 are

female thread portions

141, 142, 143, and 144 through the

first openings

114, 115, 116, and 117 and the

second openings

121, 122, 123, and 124. Combine with

The

female thread portions

141, 142, 143, and 144 are

male thread portions

131, 132, 133, and 134 through the

first openings

114, 115, 116, and 117 and the

second openings

121, 122, 123, and 124. Combine with The coupling between the upper cover 120 and the lower cover 130 is completed through the coupling of the

female screw parts

141, 142, 143, and 144 and the

male screw parts

131, 132, 133, and 134.

As shown in FIG. 2, the male screw portion 131 formed in the lower cover 130 may be formed using a female screw portion (eg, a first opening 114 of the circuit board 110 and a second opening 121 of the upper cover 120). 141). Specifically, the coupling portion 135 formed at the end of the male screw portion 131 and the coupling portion 146 formed at the end of the female screw portion 141 are coupled to the male screw portion 131 and the female screw portion 141. .

As shown in FIG. 1, a circuit 113 for connecting the battery 112 and the memory 111 is formed on the surface of the circuit board 110. However, as shown in FIG. 2, the circuit 113 is electrically open by the first opening 114.

A band 145 made of a conductor is formed on the surface of the female screw part 141. The band 145 made of a conductor electrically contacts the circuit 113 opened by the first opening 114 when the female thread part 141 is coupled to the male thread part 131. That is, the circuit 113 is electrically connected when the female screw portion 141 is coupled to the male screw portion 131.

As shown in FIG. 3, the upper cover 120, the lower cover 130, and the circuit board 110 are coupled by combining the female screw portion 141 and the male screw portion 131. Specifically, the coupling portion 135 formed at the end of the male screw portion 131 and the coupling portion 146 formed at the end of the female screw portion 141 are coupled to the male screw portion 131 and the female screw portion 141. .

When the female threaded portion 141 and the male threaded portion 131 are coupled, an open portion of the circuit 113 is electrically connected through a band 145 made of a conductor formed in the female threaded portion. Therefore, the circuit 113 may be electrically connected only while the female screw portion 141 and the male screw portion 131 are coupled to each other.

As shown in FIG. 4, the memory 111 and the battery 112 may be electrically connected only through the circuit 113. Therefore, power supply can be performed from the battery 112 to the memory 111 only when the circuit 113 is electrically connected, and ultimately, the memory 111 can store information.

The

first openings

114, 115,..., 117 may be X, which is an integer of 1 or more, and are disposed in series on the circuit 113. Therefore, if any one of the X

first openings

114, 115,..., 117 is electrically open, the circuit 113 is electrically open. Each of the X

first openings

114, 115,..., 117 can be connected only through the corresponding X female threaded

portions

141, 142,..., 144, respectively. Therefore, when any one of the X

female thread portions

141, 142, ..., 144 is separated from the PCI terminal 100, the power supply from the battery 112 to the memory 111 is stopped, and ultimately the memory 111 ) Loses the stored information.

Figure 5 (a) is a simplified view of the male screw portion and the female screw portion according to an embodiment of the present invention. In addition, Figure 5 (b) is a simplified view of the female screw portion according to an embodiment of the present invention.

As shown in FIG. 5 (a), a thread is formed as the first coupling part 135 at the end of the male screw part 131 formed in the lower cover 130, and a band made of a conductor outside the female thread part 141. 145 is formed, and the thread is formed as the second coupling portion 146 inside the female screw portion 141.

As shown in FIG. 5B, a driver hole 147 is formed in the head of the female screw part 141 to insert the driver. When the female screw portion 141 is rotated in one direction by the driver through the driver hole 147, the second screw is formed inside the female screw portion 141 and the thread formed as the first coupling portion 135 on the outside of the male screw portion 131. The female threaded portion 141 and the male threaded portion 131 can be engaged by engaging the thread formed as the portion 146.

Figure 6 (a) is a simplified view of the male screw portion and female screw portion according to an embodiment of the present invention. Figure 6 (b) is a simplified view of the female screw portion according to an embodiment of the present invention.

As shown in FIG. 6A, a first coupling part 135 having a stopper is formed at an end of the male screw part 131 formed in the lower cover 130, and a conductor is formed outside the female screw part 141. A band 145 is formed, and the second coupling part 146 including an insertion hole 149 into which the first coupling part is inserted at the end of the female screw part 141 and a fastening space 148 engaged with the first coupling part is provided. Is formed.

As shown in FIG. 6B, a driver hole 147 is formed in the head of the female screw part 141 to insert the driver. When the first coupling portion 135 of the male screw portion 131 is inserted into the insertion hole 149 of the female screw portion 141, the female screw portion 141 is rotated in one direction by the driver through the driver hole 147. The female screw portion 141 and the male screw portion 131 may be coupled to each other by engaging the first coupling portion 135 of the screw portion 131 with the second coupling portion 146 through the fastening space 148.

What has been described above includes examples of one or more embodiments. Of course, not all possible combinations of components or methods may be described for the purpose of describing the above-described embodiments, but those skilled in the art may recognize that many further combinations and substitutions of the various embodiments are possible. Accordingly, the described embodiments are intended to embrace all such alterations, modifications and variations that fall within the spirit and scope of the appended claims. Moreover, for the scope in which the term "comprises" is used in the description or claims, these terms are similar to "consisting of" as interpreted when the term "consisting of" is used as a transitional word in the claims. It is included in the formula.

Claims

In the Payment Card Industry (PCI) terminal,

A circuit board including a memory for storing information, a battery for supplying power to the memory, a circuit for connecting the memory and the battery, and a first opening positioned on the circuit to electrically open the circuit;

An upper cover covering the circuit board and including a second opening at a position corresponding to the first opening;

A lower cover supporting the circuit board and having a male screw portion formed at a position corresponding to the first opening portion and the second opening portion; And

Including a female screw portion formed with a band formed of a conductor coupled to the male screw portion through the first opening and the second opening, the surface,

PCI terminal.
According to claim 1,

Wherein the number of each of the first opening portion, the second opening portion, the male screw portion and the female screw portion is an integer of 1 or more,

PCI terminal.
The method of claim 2,

When all said female threads engage with all said male threads:

A portion electrically opened by the first opening of the circuit is electrically connected through a band made of the conductor of the female screw portion,

Power is supplied from the battery to the memory through the connected circuit,

Wherein the memory stores the information only while the female screw portion and the male screw portion are engaged.

PCI terminal.
The method of claim 3, wherein

After all the female threaded portions have engaged with all the male threaded portions, and at least one of the female threaded portions is separated from the combined male threaded portions:

The circuit is electrically opened by the first opening corresponding to the separated female screw portion,

Power supply from the battery to the memory is interrupted,

Wherein the memory loses the stored information,

PCI terminal.
The method of claim 2,

The first opening, the second opening, the male screw portion and the female screw portion is located near the edge of the PCI terminal,

PCI terminal.
According to claim 1,

When the female screw portion is combined with the male screw portion, characterized in that the coupling of the upper cover and the lower cover is completed,

PCI terminal.
According to claim 1,

The male screw portion includes a threaded coupling portion on the outside,

The female screw portion is characterized in that it comprises a threaded coupling portion therein,

PCI terminal.
According to claim 1,

The male screw portion includes a first coupling portion formed with a stopper,

The female screw portion includes a second coupling portion including an insertion hole into which the first coupling portion is inserted and a coupling space engaged with the first coupling portion.

PCI terminal.
According to claim 1,

The information is characterized in that the encrypted master key information,

PCI terminal.