CN214507071U

CN214507071U - NFC adds identity magnetic card encryption and decryption device who sweeps sign indicating number

Info

Publication number: CN214507071U
Application number: CN202120593145.2U
Authority: CN
Inventors: 杨倩; 胡彬; 陈贞翔; 郑永强
Original assignee: Shandong Sizheng Information Technology Co Ltd; University of Jinan
Current assignee: Shandong Sizheng Information Technology Co Ltd; University of Jinan
Priority date: 2021-03-23
Filing date: 2021-03-23
Publication date: 2021-10-26
Anticipated expiration: 2031-03-23

Abstract

The utility model relates to the technical field of card reading and unfreezing of magnetic cards, in particular to an identity magnetic card encryption and decryption device for NFC code scanning, which comprises a top shell, wherein an identity magnetic card insertion hole is formed in the side surface of the top shell; the identity magnetic card insertion port is connected with the internal magnetic card insertion slot; an NFC induction coil is attached to one surface of the magnetic card slot; the other surface of the magnetic card slot, which corresponds to the surface attached with the NFC induction coil, is provided with a magnetic card slot bottom light-transmitting area, and an infrared code scanning device is arranged in the magnetic card slot bottom light-transmitting area; the NFC magnetic card reader-writer is integrated with an NFC read-write area and an infrared code scanning area, and is integrated with an equipment encryption and decryption module and an equipment power supply module, so that the information of the NFC module of the magnetic card and the information in the two-dimensional code can be read simultaneously. The device judges whether the information is encrypted or not according to the obtained NFC information and the two-dimension code information, and if the information is encrypted, a decryption module of the device is used for decryption.

Description

NFC adds identity magnetic card encryption and decryption device who sweeps sign indicating number

Technical Field

The utility model relates to a magnetic card reads card and unfreezes technical field, especially relates to a NFC adds identity magnetic card encryption and decryption device who sweeps a code.

Background

The prior card reading and releasing equipment of the identity magnetic card has the following problems:

1. the traditional equipment is provided with an independent NFC module and code scanning equipment, but some magnetic cards can read and release cards only by utilizing the simultaneous work of NFC and code scanning functions and mutual assistance.

2. Use split type NFC and sweep a yard equipment and carry out two steps simultaneous operation can be very loaded down with trivial details, and equipment is complicated simultaneously, brings not good use experience for the user, has also increased the wire rod to equipment simultaneously, and it is comparatively inconvenient to carry.

3. At present, no equipment for encrypting and decrypting the identity card exists. The information of the NFC module and the information of the bar code cannot be simultaneously acquired from an encrypted identity magnetic card with NFC and the bar code, and the magnetic card cannot be encrypted and decrypted.

SUMMERY OF THE UTILITY MODEL

In order to solve the not enough of prior art, the utility model provides a NFC adds identity magnetic card encryption and decryption device who sweeps the sign indicating number is a neotype card reading equipment, and the magnetic card that has NFC and two-dimensional code can be fast convenient reading, and whether the data in NFC and the two-dimensional code in the magnetic card that can make full use of can the automatic judgement gathers need encrypt the deciphering operation.

The utility model adopts the following technical scheme:

an identity magnetic card encryption and decryption device for NFC code scanning comprises a top shell, wherein an identity magnetic card insertion hole is formed in the side face of the top shell; the identity magnetic card insertion port is connected with the internal magnetic card insertion slot; an NFC induction coil is attached to one surface of the magnetic card slot;

and the other surface of the magnetic card slot, which corresponds to the surface attached with the NFC induction coil, is provided with a magnetic card slot bottom light-transmitting area, and an infrared code scanning device is arranged in the magnetic card slot bottom light-transmitting area.

Preferably, an NFC induction coil driving chip is connected to the NFC induction coil.

Preferably, the infrared code scanning device is connected with the integrated circuit board through a data line.

Preferably, the integrated circuit board is integrated with a signal encryption module, a signal decryption module and a power supply module.

Preferably, the integrated circuit board is further connected with magnet patches, and the magnet patches are symmetrically distributed on two sides of the integrated circuit board.

Preferably, two holes are formed in the magnet patch and used for placing contacts, and the contacts are power supply contacts and signal interaction contacts.

Preferably, an encryption ROM and an encryption RAM are embedded in the encryption module.

Preferably, a decryption ROM and a decryption RAM are embedded in the decryption module.

Preferably, the encrypted ROM stores the MAC address and the encryption algorithm of the device and performs cooperative operation with an upper system; the upper system returns the public key to be stored in the encryption RAM for fast encryption of the identity card.

Preferably, the decryption ROM stores the device MAC address and the decryption algorithm and performs a cooperative operation with the upper system; the private key corresponding to the identity card is returned by the upper layer system and stored in the decryption RAM for fast decryption of the identity card.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the utility model discloses integrateed NFC read write area and infrared code scanning area, the equipment encryption decryption module that has integrateed simultaneously, equipment power module can read the information in NFC module information and the two-dimensional code of magnetic card simultaneously, has solved and has used split type NFC and have swept the not enough that code equipment carries out two steps simultaneous operation.

2. The utility model integrates the equipment encryption and decryption module and the equipment power supply module, and can read the information of the NFC module of the magnetic card and the information of the two-dimensional code at the same time; the device judges whether the information is encrypted according to the obtained NFC information and the two-dimension code information.

3. The utility model discloses can also independently encrypt or decrypt the operation to the magnetic card, should set up and appoint through upper system, also can unite upper system and encrypt the operation of deciphering in coordination. The device also supports the situation that after power failure, the RAM is overwritten for the second time, and then power failure is carried out to clear the RAM, so that data leakage is prevented.

Drawings

The accompanying drawings, which form a part of the specification, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention without unduly limiting the scope of the invention.

FIG. 1 is a schematic view of the front structure of the apparatus of the present invention;

FIG. 2 is a front exploded view of the apparatus of the present invention;

FIG. 3 is a schematic view of the bottom of the apparatus according to the present invention;

in the figure: 1. a top housing; 2. a magnetic card insertion opening; 3. a magnetic card slot; 4, an NFC induction coil; 5. magnet sticking; 6. an infrared code scanning device; 7. a light-transmitting area at the bottom of the magnetic card slot; 8. an integrated circuit board; 9, driving a chip of the NFC induction coil; 10. and (4) a contact.

Detailed Description

The present invention will be further explained with reference to the accompanying drawings and examples.

It should be noted that the following detailed description is exemplary and is intended to provide further explanation of the invention. Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs.

Examples

Referring to fig. 1-3, the present invention provides an embodiment:

the embodiment discloses an identity card encryption and decryption device for NFC code scanning, which comprises a top shell, wherein an identity card insertion hole is formed in the side surface of the top shell; the identity magnetic card insertion opening is connected with the internal magnetic card insertion opening; an NFC induction coil is attached to one surface of the magnetic card slot; the other surface of the magnetic card slot corresponding to the surface attached with the NFC induction coil is provided with a magnetic card slot bottom light-transmitting area, and an infrared code scanning device is arranged in the magnetic card slot bottom light-transmitting area.

The device has integrateed NFC read-write area and infrared code scanning area, has integrateed equipment encryption decryption module simultaneously, and information in the NFC module information and the two-dimensional code of magnetic card can be read simultaneously to equipment power module, has solved and has used split type NFC and have swept the sign indicating number equipment and carry out the not enough of two steps simultaneous operation.

Furthermore, an NFC induction coil driving chip is connected to the NFC induction coil.

Furthermore, the infrared code scanning device is connected with the integrated circuit board through a data line, and a circuit board pin specially connected with the infrared code scanning device is arranged on the integrated circuit board.

Furthermore, the integrated circuit board is integrated with a signal encryption module, a signal decryption module and a power supply module, that is, the integrated circuit board is actually a circuit board integrated with three functional modules.

The bottom of the whole magnetic card slot can be actually decomposed into three layers, wherein the three layers are respectively a light-transmitting area, an infrared code scanning device and an integrated circuit board in sequence.

The integrated circuit board is also connected with a pair of magnet patches, and the two magnet patches are symmetrically distributed on two sides of the integrated circuit board; the magnet patch is used for adsorbing the metal shell to prevent poor contact of a contact or facilitate adjustment of the position of later-stage equipment, and can be adsorbed on the metal shell of other equipment.

Each magnet patch is provided with two holes for placing a power supply contact and a signal interaction contact; the four contacts are connected to an integrated circuit board through data lines, and circuit board pins specially used for contact connection are arranged on the integrated circuit board.

The internal connection wire of the equipment does not necessarily use a USB data line, but only four common wires are possible, or two wires are used for supplying power to two wires with multiple copper cores for transmitting data, and the type of the data line is actually used according to the requirement.

The device judges whether the obtained NFC information and the two-dimensional code information are encrypted or not through the two kinds of information, if the information is encrypted, a decryption module of the equipment is used for decryption, and after decryption, data are transmitted back to a higher-level system through an electric shock at the bottom of the equipment to be applied or processed to the read decrypted information. The processed data is encrypted by an encryption module in the equipment and then written into a magnetic card NFC module.

Furthermore, an encryption ROM and an encryption RAM are embedded in the encryption module; a decryption ROM and a decryption RAM are embedded in the same decryption module.

Further, the encryption ROM stores the MAC address of the device and the encryption algorithm, and cooperates with the upper system; the upper system returns the public key to be stored in the encryption RAM for fast encryption of the identity card.

Further, the decryption ROM stores the MAC address of the device and the decryption algorithm, and performs cooperative operation with an upper-layer system; the private key corresponding to the identity card is returned by the upper layer system and stored in the decryption RAM for fast decryption of the identity card.

In the embodiment, a ROM and a RAM are embedded in the encryption and decryption module, the ROM stores an equipment MAC address and a specific encryption and decryption algorithm, the encryption and decryption operations can be performed independently, the encryption and decryption operations can also be performed in cooperation with an upper-layer system, and the upper-layer system returns a public key and a private key to be stored in the RAM for performing rapid encryption and decryption on the identity card. After the equipment is powered off or disconnected with an upper system, the equipment forcibly overwrites all the spaces in the RAM to be all 0 and discharges the spaces to clear data in the RAM, and the phenomenon that an encryption key is leaked on the equipment is avoided.

One or more of the above embodiments have the following technical effects:

the embodiment provides a novel card reading device, which can quickly and conveniently read a magnetic card with NFC and two-dimensional codes, can fully utilize the data in the NFC and the two-dimensional codes in the magnetic card, and can automatically judge whether the acquired data needs encryption and decryption operations; meanwhile, the equipment can also independently encrypt or decrypt the magnetic card, and the setting can be specified by an upper layer system and can also be combined with the upper layer system to carry out the cooperative encryption and decryption operation. The device also supports the situation that after power failure, the RAM is overwritten for the second time, and then power failure is carried out to clear the RAM, so that data leakage is prevented.

The working principle is as follows:

after the utility model is powered on, the identity magnetic card is inserted through the identity magnetic card insertion hole, the NFC induction coil induces the NFC information of the identity magnetic card, the infrared code scanning device acquires the two-dimension code information of the identity magnetic card, and transmits the data back to the RAM of the decryption module after acquiring the NFC information and the two-dimension code information, the decryption chip identifies the data transmitted into the RAM of the decryption chip and further judges whether the data is encrypted or not, if the data is not encrypted, the data is directly transmitted to an upper layer system for use through a metal contact of the equipment, if the data is encrypted, whether an encryption algorithm used by the encrypted data is consistent with a decryption algorithm stored in a decryption chip of the equipment is judged, if the encryption algorithm used by the encrypted data is consistent with the decryption algorithm stored in the decryption chip of the equipment, a private key corresponding to the magnetic card is directly requested to the upper layer system, the equipment acquires the corresponding private key and then performs rapid decryption through the decryption algorithm stored in the decryption chip, and decrypted data information is transmitted back to the upper layer system; if the encryption algorithm used by the encrypted data is inconsistent with the decryption algorithm stored in the decryption chip, the device transmits the acquired encrypted data to the upper system, and the upper system finds the matched decryption algorithm for decryption. When an upper system needs to write data into the magnetic card, the upper system transmits the data and the encrypted public key to the RAM of the encryption module, the encryption module uses an encryption algorithm of the encryption module to quickly encrypt the data by using the public key transmitted by the upper layer, then transmits the data to the NFC module and writes the data into the magnetic card, and after the data is written into the magnetic card, the equipment immediately clears and rewrites RAM data information in the encryption module, so that leakage of unencrypted data and the public key is prevented. When the equipment is suddenly powered off, the power supply chip detects the power off, and the RAM data in the encryption and decryption module is cleared and overwritten through the micro power storage device in the chip.

Finally, it should be noted that the above mentioned embodiments are only preferred embodiments of the present invention, and not intended to limit the present invention, and although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that the technical solutions described in the foregoing embodiments can be modified or some technical features can be replaced equally, and any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention should be included in the scope of the present invention.

Claims

1. An identity magnetic card encryption and decryption device for NFC code scanning is characterized by comprising a top shell, wherein an identity magnetic card insertion opening is formed in the side face of the top shell; the identity magnetic card insertion port is connected with the internal magnetic card insertion slot; an NFC induction coil is attached to one surface of the magnetic card slot;

2. The magnetic card encryption and decryption device for encrypting and scanning an NFC (near field communication) code according to claim 1, wherein an NFC induction coil driving chip is connected to the NFC induction coil.

3. The magnetic card identification encryption and decryption device with NFC code scanning function according to claim 1, wherein the infrared code scanning device is connected with the integrated circuit board through a data line.

4. The identity card encryption and decryption device for the NFC encryption and scanning code according to claim 3, wherein a signal encryption module, a signal decryption module and a power supply module are integrated on the integrated circuit board.

5. The identity card encryption and decryption device for the NFC encryption and scanning code according to claim 3, wherein the integrated circuit board is further connected with magnet patches which are symmetrically distributed on two sides of the integrated circuit board.

6. The encryption and decryption device for the NFC code-scanning identity magnetic card according to claim 5, wherein the magnet patch is provided with two holes for receiving contacts, the contacts being power supply contacts and signal interaction contacts.

7. The device as claimed in claim 4, wherein the encryption module has an encryption ROM and an encryption RAM embedded therein.

8. The magnetic card identity encryption and decryption device for NFC encryption and code scanning according to claim 4, wherein a decryption ROM and a decryption RAM are embedded in the decryption module.

9. The magnetic card identification encryption and decryption device for NFC code scanning according to claim 7, wherein the encryption ROM stores a MAC address and an encryption algorithm and cooperates with an upper system; the upper system returns the public key to be stored in the encryption RAM for fast encryption of the identity card.

10. The magnetic card identification encryption and decryption device for NFC code scanning according to claim 8, wherein the decryption ROM stores a MAC address and a decryption algorithm and cooperates with an upper system; the private key corresponding to the identity card is returned by the upper layer system and stored in the decryption RAM for fast decryption of the identity card.