KR101553065B1 - Stand alone NFC device using personal information service delete and restore and certification system of mobile terminal and method of the same - Google Patents

Abstract

Provided are a system and method for deleting, restoring, and authenticating a personal information service of a mobile terminal applying a standalone NFC device. According to an embodiment of the present invention, the method for deleting, restoring, and authenticating a personal information service comprises the following steps. An employee of a center explains customer information deletion when a customer visits a business branch, and checks if the customer requests to delete personal information in a customer′s own mobile terminal. When a customer requests to delete personal information, the relevant business branch inputs a mobile terminal model of a requesting customer, and identification serial number (IMEI) after accessing a webpage of a customer server at a deletion and authentication center using a service terminal by inputting an ID and PW, and inputs. A deletion process on personal information stored in the customer′s own mobile terminal is rechecked. When requesting personal information deletion, a customer server links a deletions server, the deletion server analyzes data in the customer′s own mobile terminal using wired and wireless communications network, backs the relevant data up, and deletes personal information stored in various memories, data memory on personal application, and USIM user data memory of the relevant mobile terminal by operating a delete program in the relevant mobile terminal. After issuing an authentication certificate from an authentication server after completely deleting personal information in the customer′s own mobile terminal, the certificate is stored and displayed in the customer′s own mobile terminal. A charging matter processed from a payment server by linking to the authentication server is transmitted to the service terminal of the business branch or webpage of the payment server, and the relevant business branch checks the charging matter.

Description

BACKGROUND OF THE INVENTION 1. Field of the Invention [0001] The present invention relates to a personal information service, a personal information service deletion, a restoration and authentication system, and a personal information service using a stand alone NFC device,

The present invention relates to a system and method for deleting, restoring and authenticating a personal information service of a mobile terminal, and more particularly, it is possible to reduce the load of an authentication center by applying a deletion device and an authentication device capable of NFC communication, The present invention relates to a system and method for deleting, restoring and authenticating a personal information service of a portable mobile terminal employing a stand-alone NFC type device capable of acquiring a fee at a branch office of a communication terminal to provide a business model.

The development of information and communication technology has made our everyday life more convenient by functioning as a key element leading to change in the whole sphere of society as well as everyday life as well as industry and administration. However, behind the development of dazzling technology, And the emergence of the neglected class due to the information gap.

For example, spilled personal information (including codes, letters, voices and images that can be used to identify a specific individual, and information generated by an individual who has downloaded and executed the app) is used for spam mail and illegal telemarketing It is difficult to measure the amount of mental and physical damage to the subjects of personal information, as the advertisement information that is not desired to the individual is transmitted constantly and at the same time, the crime such as account theft and voice phishing for sending a large amount of spam is abused . In addition, personal information once leaked is more serious because it is virtually impossible to recover.

Especially, a mobile communication terminal such as a mobile phone (smart phone) has a lot of possibilities of loss as well as convenience of carrying and mobility, and personal information is immediately exposed when lost.

Korean Patent Registration No. 10-1139449 (a mobile communication terminal equipped with a personal information deletion function and an operation method thereof) has been proposed as a background of the present invention. A memory for storing setting data according to the personal information data and the personal information deletion message; a control unit for reading the received message and deleting the corresponding personal information data according to a result of the reading; And the personal information is automatically deleted through the personal information deletion message when the mobile communication terminal is lost, thereby preventing personal information from being leaked.

However, in the background art, there is no method of data restoration after deletion of personal information when necessary, a business model in which a payment can not be additionally provided after providing a deletion service, and a fee can be collected at a branch of a communication terminal It is hard to say.

Korean Registered Patent No. 10-1139449 (Mobile communication terminal equipped with personal information deletion function and operation method thereof)

SUMMARY OF THE INVENTION The present invention has been made in view of the above circumstances, and it is an object of the present invention to reduce the load of an authentication center by applying a deletion device and an authentication device capable of NFC communication, The present invention is directed to a system and method for deleting, restoring and authenticating a personal information service of a portable mobile terminal employing a standalone NFC device capable of acquiring and providing a business model.

The personal information service deleting, restoring and authenticating system of the portable mobile terminal applying the single type NFC device according to the preferred embodiment of the present invention,

A system for providing a service for deleting personal information in a mobile terminal upon request of a customer, issuing a digital certificate and restoring the digital certificate when necessary,

A customer server each having a branch office authentication, a branch office authentication, a branch office management, and an administrator menu module, storing the unique information of the mobile terminal, the ID and password of the terminal branch, and the processing time,

A deletion device which is provided in a mobile terminal and is connected to the customer server through a network and which deletes the personal information stored in the mobile terminal; and a digital certificate is issued to the mobile terminal after the deletion of the personal information in cooperation with the deletion device A service terminal including an authentication device for performing authentication;

And a mobile terminal having an NFC module connected to the service terminal in a short distance to receive a deletion process and a digital certificate of individual information using mutual NFC communication from the deletion device and the authentication device.

The payment server further includes a settlement server for calculating and sending to the service terminal a personal information protection fund, a distribution agent actual cost, a calculation of a charge for operating fee, a tax statement, a time and an area, an agency, and a processor.

In addition, the NAC server may be further connected to the customer server and the payment server for securing secure access.

Further, in the mobile terminal,

A deletion program operating unit for operating a program for deleting personal information;

A personal information deletion list generation unit for generating a personal information deletion list to be deleted by the deletion program operation unit;

A memory unit for storing the deletion list and the digital certificate generated by the deletion list generation unit;

And an authentication request unit for requesting the digital certificate to the authentication device when personal information in the mobile terminal is deleted according to the deletion list stored in the memory unit.

Meanwhile, a method for deleting, restoring and authenticating a personal information service of a portable mobile terminal using a standalone NFC device according to the present invention includes:

When the customer visits the branch office for new, replacement, or termination of the mobile terminal, the center employee makes a description of the deletion of the customer information and confirms whether the customer requests the deletion of the personal information in the mobile terminal;

When requesting deletion of a customer's personal information, inputting ID and password (PW) to a web page of the customer server using the service terminal at the corresponding branch office and inputting unique information of the requesting customer's mobile terminal;

Re-confirming whether to delete the personal information stored in the mobile terminal;

When the personal information deletion request is made, the mobile terminal approaches the deletion device, analyzes data of the mobile terminal through NFC communication, backs up the data, drives the deletion program in the mobile terminal, Main memory, flash memory), an app personal-related data memory, and personal information stored in the USIM user data memory;

A step of storing and displaying the certificate in the mobile terminal after the certificate is issued from the authentication device after completing the deletion of the personal information of the mobile terminal;

And a billing server for billing the billing server, wherein the billing server transmits the billing information processed by the billing server to the branch office service terminal and the billing item is confirmed at the branch office.

Also, the digital certificate issued from the authentication device is encrypted / decrypted so as not to be copied when the digital certificate is stored in the user's mobile terminal.

The method further includes a step of performing destruction of the internal memory when the data is extracted from the certificate stored in the mobile terminal.

In addition, the deletion device may further include restoring the deleted data in response to a request for data restoration in addition to storing the processed information.

Further, the method may further include repeating the compression five times or more so that the deletion can not be performed when deleting the personal information.

The operating system searches for a start address of each file name in the FAT so that it can not be restored when deleting the personal information, and the deletion speed is increased by filling part of the start address with null filling or zero filling.

In addition, when the personal information is deleted, a user of the mobile terminal of the user himself / herself finds and downloads a program or an application program downloaded and installed.

According to the personal information service deletion / restoration and authentication system and method of the portable mobile terminal applying the single type NFC device of the present invention, since the deletion device and the authentication device capable of NFC communication are applied, The deletion processing of the personal information is quick, the leakage of personal information can be prevented, and the burden on the authentication center can be reduced.

In addition, it is possible to recover through the confirmation of the authenticated digital certificate, and the billing request is linked to the settlement service after the deletion and the restoration, thereby providing an advantage that the commission can be obtained from the branch office of the communication terminal.

BRIEF DESCRIPTION OF THE DRAWINGS The accompanying drawings, which are incorporated in and constitute a part of the specification, illustrate exemplary embodiments of the invention and, together with the description, serve to explain the principles of the invention, Shall not be construed as limiting.
1 is a block diagram of a whole personal information service deletion / restoration and authentication system of a portable mobile terminal according to the present invention;
2 is a configuration diagram of a mobile terminal according to the present invention;
3 is a flowchart illustrating a personal information deletion control process of a mobile terminal according to the present invention;
FIG. 4 is a flowchart of a signal processing when personal information is deleted between a mobile terminal, a mobile terminal, and an operation center according to the present invention.
FIG. 5 is a flow chart illustrating signal processing when restoring personal information between a mobile terminal, a mobile terminal, and an operation center according to the present invention.

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS The present invention will be described in detail below with reference to the embodiments shown in the accompanying drawings, but the present invention is not limited thereto.

In the present specification, the personal information is interpreted as a concept of expanding not only the customer's personal information stored in the mobile terminal, but also all the data related to the customer and downloaded apps. Also, the mobile terminal refers to all communication terminals capable of carrying and moving such as a mobile phone, a smart phone, and a mobile phone.

The personal information service deletion / restoration and authentication system of the portable mobile terminal to which the single type NFC device of the present invention is applied has respective branch store authentication, branch store management and manager menu module as shown in FIGS. 1 and 2, And a customer server 210 storing IDs and passwords and processing times of terminal models (model, serial number, communication company, IP address) and terminal dealers (distribution agencies, retail stores) and managing whether personal information is processed.

As shown in FIG. 2, the customer server 210 includes a branch office authentication module 211 for issuing and managing the certification, issuance and management with the branch office to allow access to the branches, data entry, modification and change, Management and management such as year, month, date, agency, processor, time zone, region, statistics and analysis for branch management module (212) And an administrator menu module 213 for the user. As shown in FIG. 3, the customer server 210 is connected to the service terminal 20 of the branch office (terminal store, distribution agency) through the Internet.

Accordingly, when a customer visits a branch office for new, replacement, or termination related to the mobile terminal, the branch manager (agent or salesperson) makes a description (deletion of personal information deletion instructions) necessary for deleting customer information (personal information) When the customer requests deletion of the personal information, the distribution agent (or the store) accesses the customer server 210 by inputting the ID and the password PW, and after the authentication process, , Serial number and user, IP address and distribution agent (or dealer) of the place.

In this way, the customer server 210 confirms whether the model, the serial number of the customer's mobile terminal, and the input, ID, and password of the user and the distribution agent (or the store)

In addition, a service terminal 20 provided in a mobile terminal branch and connected to the customer server 210 through a network 1 is provided. The service terminal 20 includes an input unit 210, an output unit 202, a deletion device 203, an authentication device 204, an NFC module 205, and a control unit 206.

The deletion device 203 drives the deletion program for deleting the personal information stored in the mobile terminal 10 and the authentication device 204 interlocks with the deletion device 203, The NFC module 205 issues a digital certificate to the corresponding mobile terminal 10 and the NFC module 205 enables NFC communication between the mobile terminal 10 and the deletion device 203 and the authentication device 204. [

The deletion device 203 analyzes all personal information corresponding to the deletion check list when deleting personal information and stores the personal information in the delete DB 250 of the operation center.

The deletion device 203 also deletes all the storage devices (main memory, cache memory, USIM chip, SD card, etc.) of the customer mobile terminal 10 in association with the customer server 210, ) Of the personal information.

Therefore, when the deletion processing of the personal information is requested from the customer server 210, the deletion device 203 drives the deletion program management unit 180 in the corresponding mobile terminal 10 to delete all the personal information upon execution of the deletion program And creates a check list in the deletion list generating unit 185 in the mobile terminal 10. At this time, the personal information stored in the main memory, the cache memory, the USIM chip, the SD card, and the application memory is deleted.

Therefore, personal app information data, data existing in cache memory, phone book, photo, video, and document are deleted. In addition, personal information related matters of USIM (carrier) and terminal manufacturer O / S are deleted.

At this time, in order to increase the processing speed, the deletion method can selectively delete a certain value, not delete the entire data. In addition, compression / repetition may be performed 5 times or more, or zero-filling or null-filing may be applied to the data so that the deleted data can not be recovered (however, If not).

Meanwhile, the deletion device 203 may identify the IMEI for the lost mobile terminal and remotely delete personal information through the remote connection.

In addition, the deletion device 203 checks the deleted personal information and requests the authentication device 204 to issue a digital certificate. In addition, the deletion device 203 executes a restoration program for processing a data restoration request.

When there is a request to issue a certificate, the authentication device 230 analyzes the PDL about the issue, determines the issuance issue, and issues the encrypted / decrypted digital certificate to the corresponding mobile terminal. It is desirable that the issued digital certificate be processed so as not to be duplicated. At this time, if the recovery is attempted without checking the digital certificate, it is desirable that the memory area is destroyed. On the other hand, to customers who make a new basis, a digital certificate is displayed by displaying a PDL in a UI (User Interface).

In this way, the authentication device 204 performs certificate examination, issuance and management, and issues a digital certificate to the corresponding mobile terminal 10 after completing deletion of the personal information.

Accordingly, when the connection request of the customer is large, the processing speed is increased by the NFC communication method, and the load on the process of the operation center for operating the customer server 210 and the payment server 240 can be reduced.

In this system, the deletion device 203 and the authentication device 204 can communicate with the mobile terminal 10 by using the NFC method to quickly delete personal information and maintain digital certificate security. In addition, it is possible to reduce the load compared to the centralized server system.

The mobile terminal 10 having the NFC module is connected to the service terminal 20 in a short distance and receives the deletion processing of the personal information and the digital certificate using the NFC method communication from the deletion device 203 and the authentication device 204 .

The mobile terminal 10 includes a communication processing unit 130 for transferring communication as shown in FIG. 2; A call channel checking unit 145 connected to the communication processing unit 130 and automatically switching the current call channel to a call channel of another wireless zone when the mobile phone subscriber moves to another wireless zone, A control unit 105 for controlling the keyword speech recognition unit 150, the keyword recognition control unit 155, the authentication confirmation unit 160, the authentication output unit 160, the data verification unit 170 and the information transmission unit 175, ; A USIM reader 135 connected to the control unit 105 and reading information of the USIM card; A memory unit 140 connected to the control unit 105 and storing various data and digital certificates for voice, photo moving picture, file, advertisement data, keyword recognition resource condition, and the like; A deletion program operating unit 180 connected to the control unit 105 to operate the deletion program; A deletion check list for various kinds of voice, music, video, photograph, phone book, message, document, USIM personal information, app information (data), and cache memory information stored in the memory unit 140 by the deletion program operating unit 180 An authentication request unit 187 for requesting a digital certificate to the authentication device when the personal information in the mobile terminal is deleted according to the deletion list stored in the memory unit 140, A screen output unit 110 and a sound processing unit 115 connected to the key input unit 105 and a key input unit 120 for transmitting the key input to the control unit.

Accordingly, the mobile terminal 10 generates various personal information deletion lists by the deletion list generation unit 185. [ The personal information deletion list is listed by file name, path, size, creation date, and the like.

The digital certificate stored in the initial screen or the predetermined area after power on of the corresponding mobile terminal 10 is transmitted to the authentication output unit 165 so that the distribution company can confirm that the personal information is the authorized product (mobile terminal) .

Meanwhile, the present invention may further include a payment server 240. The payment server 240 is connected to the service terminal 20 through the network 1. The payment server 240 calculates the charge of the personal information protection fund, the distribution agent actual expenses, and the operation fee using the payment module. In addition, the payment server 240 calculates and records the tax invoice, the time (year, month, day, time) and the details of the area, agency, and processor and transmits them to the branch service terminal 20. The billing can be various payment means such as a prepaid charging type, a postpaid payment type, a giro, a direct debit, a credit card, and a mobile phone payment.

Meanwhile, as shown in FIG. 3, a NAC server (Network Access Control Server) 300 may be further connected to secure the access to the customer server 210.

A method of deleting and authenticating a personal information service of a portable mobile terminal applying the stand-alone server system configured as described above will be described with reference to a control flowchart of FIG. 3 and a signal processing flowchart of FIG.

First, when a customer visits (S10) a business office (including a communication service center, an agency, and a retail store) for new, replacement, and termination reasons of the mobile terminal (S10), the clerk at the branch office performs a customer information deletion description (S11) And confirming whether the personal information deletion request in the mobile terminal is requested (S12).

In the delete request confirmation process, when the customer deletes the personal information, the corresponding branch office accesses the customer server 210 of the operation center using the service terminal 20 and inputs an ID and a password PW (S13) .

Then, unique information (model, identification serial number (IMEI), communication company, IP address) of the requesting customer's mobile terminal is checked and confirmed whether or not the personal information is processed (S14).

Then, when the personal information deletion confirmation is made, the personal information deletion program in the corresponding mobile terminal 10 is operated and deleted through the deletion device 203 in cooperation with the customer server 210 using the NFC communication (S15). At this time, the deletion device 203 analyzes the data of the corresponding mobile terminal and backs up the data to the deletion DB 250. [ At this time, the deletion target is data of various memories (main memory, flash memory) of the mobile terminal, application personal data memory, and USIM user data.

At this time, compression can be repeated 5 times or more so that it can not be restored when personal information is deleted. Also, the operating system searches for the start address of each file name in the FAT (file allocation table) so that it can not be restored when deleting the personal information, and a part of the file name is found by null-filling or zero-filling You can increase the purging speed by filling.

When the deletion is completed, the authentication device 230 generates a digital certificate and transmits it to the mobile terminal 10 using the same NFC communication method (S16). At this time, the deletion DB 210 records and manages digital certificates.

Then, the digital certificate is displayed on the mobile terminal 10, and if the display of the certificate is confirmed as failure (S17), the deletion processing is continuously performed.

Then, the payment server 240 transmits the charge information to the branch office through the service terminal 20 (S18).

Then, the branch office confirms the charge through the service terminal 20 (S19).

On the other hand, the digital certificate issued by the authentication device 204 is further encrypted / decrypted so as not to be copied when it is stored in the mobile terminal 10 of the user.

Further, there may be a step in which the destruction of the internal memory occurs when the data is extracted from the digital certificate stored in the mobile terminal 10.

The deletion device 203 further has a step of immediately restoring, when there is a request for data restoration, in addition to the storage of the deleted information.

In addition, when the personal information is deleted, the deletion can be performed by searching for a program or an application program downloaded and installed by a user of the mobile terminal.

In the meantime, the present invention performs the same process as the deletion control flowchart shown in FIG. 5 when the customer requests restoration. At this time, data restoration and billing are requested through signal processing as shown in FIG.

While the present invention has been particularly shown and described with reference to exemplary embodiments thereof, it is evident that many alternatives, modifications and variations will be apparent to those skilled in the art in light of the above teachings. will be. The invention is not limited by these variations and modifications, but is limited only by the claims appended hereto.

20: service terminal
203: Delete device
204: authentication device
210: customer server
220: Delete server
240: Payment server
300: NAC server

Claims (11)

A system for providing a service for deleting personal information in a mobile terminal upon request of a customer, issuing a digital certificate and restoring the digital certificate when necessary,
A customer server each having a branch office authentication, a branch office authentication, a branch office management, and an administrator menu module, storing the unique information of the mobile terminal, the ID and password of the terminal branch, and the processing time,
A deletion device which is provided in a mobile terminal and is connected to the customer server through a network and which deletes the personal information stored in the mobile terminal; and a digital certificate is issued to the mobile terminal after the deletion of the personal information in cooperation with the deletion device A service terminal including an authentication device for performing authentication;
And a mobile terminal having an NFC module connected to the service terminal in a short distance to receive a deletion process and a digital certificate of individual information by using mutual NFC communication from the deletion device and the authentication device, A Personal Information Service Deletion, Restoration and Authentication System of Portable Mobile Terminal with NFC Device. The method according to claim 1,
And a settlement server for calculating and sending to the service terminal a statistic of the personal information protection fund, distribution agent actual expenses, calculation of the operation fee, bill calculation, time and area, dealer, (Personal Information Service Deletion, Restoration and Authentication System of Portable Mobile Terminal Applied with Device). 3. The method of claim 2,
Wherein the NAC server is further connected to the customer server and the payment server for securing secure access to the private server. The method according to claim 1,
In the mobile terminal,
A deletion program operating unit for operating a program for deleting personal information;
A personal information deletion list generation unit for generating a personal information deletion list to be deleted by the deletion program operation unit;
A memory unit for storing the deletion list and the digital certificate generated by the deletion list generation unit;
And an authentication request unit for requesting a digital certificate to the authentication device when the personal information in the mobile terminal is deleted according to the deletion list stored in the memory unit. Deletion, restoration and authentication system. When the customer visits the branch office for new, replacement, or termination of the mobile terminal, the center employee makes a description of the deletion of the customer information and confirms whether the customer requests the deletion of the personal information in the mobile terminal;
When requesting deletion of a customer's personal information, inputting ID and password (PW) to a web page of the customer server using the service terminal at the corresponding branch office and inputting unique information of the requesting customer's mobile terminal;
Re-confirming whether to delete the personal information stored in the mobile terminal;
When the personal information deletion request is made, the mobile terminal approaches the deletion device, analyzes data of the mobile terminal through NFC communication, backs up the data, drives the deletion program in the mobile terminal, Main memory, flash memory), an app personal-related data memory, and personal information stored in the USIM user data memory;
A step of storing and displaying the certificate in the mobile terminal after the certificate is issued from the authentication device after completing the deletion of the personal information of the mobile terminal;
And a charging step of receiving charges from the payment server and transmitting the charge information to the branch point service terminal and confirming the charge information at the branch point. And authentication methods. 6. The method of claim 5,
Wherein the digital certificate issued by the authentication device is subjected to encryption / decryption processing so that copying is not performed when the digital certificate is stored in the user's mobile terminal. Authentication method. 6. The method of claim 5,
Further comprising the step of destroying the internal memory when the data is extracted from the certificate stored in the mobile terminal. 6. The method of claim 5,
Wherein the deletion device further has a step of restoring the deleted data in response to a request for restoration of data in addition to the storage of the deleted information, wherein the deletion device deletes and restores the personal information service of the portable mobile terminal employing the single type NFC device And authentication methods. 6. The method of claim 5,
Further comprising the step of repeatedly performing compression at least five times so as to prevent restoration when the personal information is deleted. 6. The method of claim 5,
The operating system searches for the start address of each file name in the FAT so that it can not be restored when deleting the personal information, and a part of the file name is filled with a null filling or zero filling method to increase the deletion speed. A method for deleting, restoring and authenticating a personal information service of a portable mobile terminal. 6. The method of claim 5,
And deletes and deletes a program or an application program downloaded and installed by a user of the mobile terminal when the personal information is deleted, and deletes the program or the application program of the mobile terminal using the standalone NFC device.

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