KR20110024245A - Portable storage device having software therein and method for protecting privacy data in disconnection of the portable storage device from computer - Google Patents

Abstract

PURPOSE: A portable storage device having software therein and a method for protecting privacy data in disconnection of the portable storage device from a computer are provided to automatically delete use history of a user without directly deleting the history when the portable storage device is disconnected from the computer. CONSTITUTION: A portable storage unit(100) loads an auto execution unit(130) to a host computer(200) when accessing the host computer. A virtual environment engine(142) executes the software of the portable storage device under the virtual environment. When the portable storage unit is disconnected from the computer, a deletion module(143) removes the virtual environment and the software from the computer according to a deletion command. The deletion module deletes the stored use history of the host computer.

Description

Portable storage device having software therein and method for protecting privacy data in disconnection of the portable storage device from computer}

The present invention relates to a technology for executing software on a computer by using a portable storage device. More specifically, when the connection is terminated after executing the software on a computer by using a portable storage device equipped with software, all the usage details are recorded. It relates to a personal information protection technology that can prevent personal information leakage by automatically deleting.

Based on the success of the web, technology has been developed in a way that allows anyone, anytime, anywhere to easily use, create and distribute software and contents beyond the existing method of providing public software. In addition, a technology that allows individual users to carry them through portable storage devices and manage them in the same working environment without managing software or contents in a centralized manner by a specific server is attracting attention.

More specifically, for example, when a user uses a document writing software on his or her computer and wants to continue working on another computer by moving to a physical location, the document file created on the user's computer A portable storage device such as a USB memory or a flash memory card is used as a storage medium for moving the data.

However, if the computer you want to use does not have software installed to run the document file, you must find a way to install the software. In other words, you have to go through the cumbersome process of installing the software using the installation CD of the software or downloading the installation file.

In order to alleviate this inconvenience, a technology is introduced in which the portable storage device itself is equipped with software, and when connected to a computer, the necessary operation can be performed as if the software was installed without installing the installed software on the computer. .

That is, when the portable storage device is connected to the computer, a virtual environment in which the software stored in the portable storage device can be driven is established in the computer. At this time, the computer downloads the files necessary for the execution of the software from the portable storage device and performs the necessary tasks. Then, when the portable storage device is disconnected from the computer, the virtual environment built in the working computer is deleted, and the loaded software is also deleted.

However, in this case, the usage history of the computer using the portable storage device remains in the memory of the computer. For example, files you've worked on, Internet lists you've opened, cookies, files stored on your desktop, login IDs, and more remain on your computer unless you find them and delete them manually. If the computer you worked on is a public computer that is free to access by other users, the usage history that remains undeleted can lead to the leakage of personal information.

Accordingly, an object of the present invention is to solve the above-described problems of the prior art, and when the connection is terminated after executing the software on a computer using a portable storage device equipped with the software, all user history is automatically deleted. By providing a portable storage device and a personal information protection method that can prevent personal information leakage.

In order to achieve this object, the portable storage device according to the present invention includes an automatic execution unit, a virtual environment engine, and a deletion module. The automatic execution unit is automatically loaded and executed on the host computer when the portable storage device is connected to the host computer. The virtual environment engine is loaded into the host computer by the automatic execution unit to build a virtual environment, and the software mounted on the portable storage device is executed under the virtual environment. The deletion module is loaded into the host computer by the automatic execution unit, and generates a deletion command when the connection between the portable storage device and the host computer is interrupted to remove the virtual environment and the software from the host computer. And deletes the usage history stored in the host computer while the software is executed.

In the portable storage device, the usage history may include at least one of a file worked by a user on the host computer, an open Internet list, a cookie, a file stored on a desktop, and a login ID.

The portable storage device may further include an initial menu window, wherein the initial menu window is loaded on the host computer by the automatic execution unit and displayed on the display unit, and the software is not installed on the host computer. At least one of the file and the content executed through the include.

In this case, the virtual environment may correspond to a selected item among the software, the file, and the content included in the initial menu window.

On the other hand, the method of protecting personal information when the portable storage device is detached includes the steps of: when the portable storage device is connected to a host computer, an automatic execution unit of the portable storage device is loaded and executed on the host computer; Building a virtual environment by loading, by the automatic execution unit, the virtual environment engine and the deletion module stored in the portable storage device into the host computer; The virtual environment engine loading software stored in the portable storage device to the host computer to execute the software in the virtual environment; Storing usage information generated while the software is executed in the virtual environment on the host computer; And when the connection between the portable storage device and the host computer is interrupted, the deletion module generates a deletion command so that the virtual environment engine removes the virtual environment and the software from the host computer and deletes the usage history. It is configured by.

In this method, the usage history may include at least one of a file, a list of opened Internet, a cookie, a file stored on the desktop, and a login ID.

The method may further include loading the initial menu window stored in the portable storage device on the host computer and displaying the initial menu window on the display unit, wherein the initial menu window is displayed on the host computer. It may include at least one of software not installed and files and contents executed through the software.

In this case, the virtual environment may correspond to a selected item among the software, the file, and the content included in the initial menu window.

The deleting of the usage history may include: recognizing, by the deleting module, that the portable storage device is disconnected; Displaying, by the deletion module, a history deletion query popup window on a display unit of the host computer; If there is a deletion input through the pop-up window, the deletion module may include removing the virtual environment and the software from the host computer and deleting the usage history.

The deleting of the usage history may include: recognizing, by the deletion module, the termination of the initial menu window; Displaying, by the deleting module, a storage device safety removal query pop-up window on a display unit of the host computer; Removing the virtual environment and the software from the host computer at the same time as the deletion module disconnects the portable storage device from the host computer when there is a safe removal input through the pop-up window, and deletes the usage history. can do.

On the other hand, the present invention provides a computer readable recording medium having recorded thereon a program for executing one of the above methods.

According to the present invention, if the user terminates the connection after executing the software on the computer using the portable storage device equipped with the software, all the user's usage history can be automatically deleted even if the user does not find it and delete it directly. There is an advantage that can prevent the leakage of personal information by history.

That is, the present invention has the effect of providing a computing environment that can safely and easily perform the desired work when the computer work in a number of places, such as home, company, school, PC room.

Hereinafter, with reference to the accompanying drawings will be described in detail an embodiment of the present invention. In describing the embodiments, descriptions of technical contents that are well known in the art to which the present invention pertains and are not directly related to the present invention will be omitted. This is to more clearly communicate without obscure the core of the present invention by omitting unnecessary description. On the other hand, the same reference numerals are assigned to the same or corresponding components throughout the accompanying drawings.

1 is a schematic diagram of a host computer and a portable storage device.

Referring to FIG. 1, in the present invention, when the portable storage device 100 has its own software and connects the portable storage device 100 to the host computer 200, the software does not need to be installed on the host computer 200. This is true if you can run the software and perform the necessary tasks as if the software were installed.

The portable storage device 100 collectively refers to a USB memory 101, a flash memory card 102, and various removable and portable storage media corresponding thereto. The structure of the portable storage device 100 will be described later with reference to FIG. 2.

The host computer 200 collectively refers to a computing device having an independent CPU capable of executing software, such as a PC, a notebook, a workstation, and the like. The host computer 200 includes a public computer that is free to access by multiple users. In addition, the host computer 200 must be able to access the portable storage device 100. The connection between the host computer 200 and the portable storage device 100 is generally performed by physical mounting, but is not necessarily limited thereto. For example, a wireless connection is also possible.

Hereinafter, the configuration of the portable storage device 100 will be described.

2 is a block diagram illustrating a configuration of a portable storage device according to an exemplary embodiment of the present invention. Referring to FIG. 2, the portable storage device 100 includes a communication interface 110, an I / O adapter 120, an automatic execution unit 130, a storage unit 140, and a communication bus 150. .

The communication interface 110 performs data communication with a communication interface (not shown) of the host computer 200 when the portable storage device 100 is connected to the host computer 200.

The I / O adapter 120 controls data input and output between the portable storage device 100 and another device (here, the host computer 200).

When the portable storage device 100 is connected to the host computer 200, the automatic execution unit 130 is automatically loaded and executed in a memory (not shown) of the host computer 200 and stored in the storage 140. The initial menu window 141 is loaded into the memory of the host computer 200 and output to the display unit (not shown). In addition, the automatic execution unit 130 builds a virtual environment by loading the virtual environment engine 142 stored in the storage unit 140 into the memory of the host computer 200 when a specific item is selected through the initial menu window 141. do.

The storage 140 stores an initial menu window 141, a virtual environment engine 142, a deletion module 143, a software package 144 (SW package), a process manager 145, and the like.

The initial menu window 141 is loaded into the memory of the host computer 200 by the automatic execution unit 130 and displayed on the display unit when the portable storage device 100 is connected to the host computer 200. The initial menu window 141 is a list of software mounted in the portable storage device 100, a list and folder structure of various files and contents stored in the portable storage device 100, a user data, authentication and security menu, and a configuration menu. , Shortcut menus for specific websites, and the like. The initial menu window 141 may be designed in various forms and may include various contents.

When a specific item is selected through the initial menu window 141 on the host computer 200, the virtual environment engine 142 is loaded into the memory of the host computer 200 by the automatic execution unit 130 to build a virtual environment. In this case, the specific item may be a software, a file, or a content to be executed on the host computer 200, and the software or software for executing the corresponding file or content is not installed in the host computer 200. to be. That is, the virtual environment engine 142 is loaded on the host computer 200 to use the software that is not installed in the host computer 200 to build a virtual environment, and the software mounted on the portable storage device 100 is host. To be executed on the computer 200.

The deletion module 143 is loaded into the memory of the host computer 200 together with the virtual environment engine 142 by the automatic execution unit 130. The deletion module 143 generates a deletion command when the connection between the portable storage device 100 and the host computer 200 is interrupted to remove the virtual environment and the loaded software built in the host computer 200, in particular, the host. The usage history stored in the memory of the computer 200 is deleted.

Software package 144 includes one or more software. The software package 144 may include, for example, office software, graphics software, multimedia software, internet software, game software, system software, and the like. The software package 144 may be configured in units of files or blocks in units of files. In addition, when specific software of the software package 144 is executed in the virtual environment of the host computer 200, the corresponding software may be transmitted to the host computer 200 in units of files or blocks. The transmission method can be either a download method or a streaming method.

The process manager 145 receives a request of a specific file or a specific block from the host computer 200 when specific software of the software package 144 is executed in the virtual environment of the host computer 200, and processes the requested file or block in the software. The package 144 is extracted from the package 144 and transmitted to the host computer 200.

The communication bus 150 provides a signal transmission path between the elements in the portable storage device 100.

Hereinafter, a method of protecting personal information when the connection is terminated after executing software on a computer using a portable storage device equipped with software will be described.

3 is a flowchart illustrating a method of protecting personal information when detaching a portable storage device according to an exemplary embodiment of the present invention.

2 and 3, first, when the portable storage device 100 is connected to the host computer 200 (step S11), the automatic execution unit 130 of the portable storage device 100 may be connected to the host computer 200. It is automatically loaded into a memory (not shown) and executed (step S12).

The automatic execution unit 130 loaded on the host computer 200 loads the initial menu window 141 stored in the storage 140 of the portable storage device 100 into the memory of the host computer 200 to display the display unit (not shown). Not displayed) (step S13). As described above, the initial menu window 141 displays software, files, contents, etc., mounted or stored in the portable storage device 100 in the form of a list.

When the user selects a specific item through the initial menu window 141 (step S14), the automatic execution unit 130 stores the virtual environment engine 142 and the deletion module stored in the storage unit 140 of the portable storage device 100. 143 is loaded into the memory of the host computer 200 (step S15). As described above, the specific item selected through the initial menu window 141 to load the virtual environment engine 142 means software not installed in the host computer 200 itself or a file or content executed through the same. do.

The virtual environment engine 142 loads the host computer 200 and then builds a virtual environment related to the selected specific item in the memory of the host computer 200 (step S16). In this case, the virtual environment refers to an environment in which the software of the portable storage device 100 may be executed as if installed without being actually installed in the host computer 200.

Meanwhile, in another embodiment, the automatic execution unit 130 may build a virtual environment by loading the virtual environment engine 142 and the deletion module 143 into the host computer 200 immediately after being loaded into the host computer 200. At the same time, the initial menu window 141 may be loaded and displayed on the display unit screen.

When the virtual environment is established, the virtual environment engine 142 loads the software related to the specific item selected through the initial menu window 141 from the portable storage device 100 to the memory of the host computer 200 in step S14 (S17). Step) run in a virtual environment (step S18). In this case, the software loaded and executed on the host computer 200 does not need to be an entire file, but a minimum file or minimum block necessary for execution is sufficient. Additional files or blocks required during software execution are requested to the portable storage device 100, and the process manager 145 of the portable storage device 100 extracts the requested files or blocks from the software package 144 to host computer. Send to 200.

As the software is executed on the host computer 200, the user performs a necessary task, and the usage history generated in relation to the software execution and the user task is stored in the memory of the host computer 200 (S19). As described above, the usage history includes a file that the user has worked on, a list of opened Internet, a cookie, a file stored on the desktop, a login ID, and the like.

During the execution of the software, the host computer 200 determines whether the portable storage device 100 is disconnected (step S20). If the connection between the host computer 200 and the portable storage device 100 is interrupted, the host computer 200 notifies the deletion module 143, and the deletion module 143 generates a deletion command to generate the host computer 200. In step S21, the virtual environment and the loaded software are removed and the usage history stored in the memory of the host computer 200 is deleted.

As shown in FIG. 4, the deletion of usage history according to the disconnection of the portable storage device 100 may be performed in two types. 4 is a flowchart illustrating a usage history deleting process according to a disconnection of a portable storage device according to an exemplary embodiment of the present invention.

4 and 2, the deletion module 143 loaded on the host computer 200 first recognizes the connection termination of the portable storage device 100 (step S31), and determines the type of connection termination (S32). step). Types of disconnection include physical disconnection and initial menu window termination. Physical disconnection means that the portable storage device 100 is physically separated from the host computer 200. The initial menu window termination means that the initial menu window 141 output to the display unit of the host computer 200 is closed. It means.

If the type of disconnection is physical disconnection, the deletion module 143 outputs a pop-up window inquiring whether to delete or not through the display unit of the host computer 200 (step S33). 5A illustrates the usage history deletion query popup window 301. As illustrated in FIG. 5A, the deletion query popup window 301 may also include an item for confirming usage history to be deleted.

Subsequently, if the deletion is selected from the user (step S34), when the deletion is input, the deletion module 143 removes the virtual environment and the software from the host computer 200 and simultaneously uses the stored data in the memory of the host computer 200. Delete all the details (step S35).

On the other hand, if the type of connection termination is the end of the initial menu window, the deletion module 143 outputs a pop-up window for inquiring whether or not to safely remove through the display unit of the host computer 200 (step S36). 5B illustrates the storage device safe removal query popup window 302.

Subsequently, by checking whether the safe removal is selected from the user (step S37), when the safe removal is input, the deletion module 143 releases the connection so that the portable storage device 100 can be safely removed from the host computer 200. At the same time, the virtual environment and software are removed from the host computer 200, and all the usage history stored in the memory of the host computer 200 is deleted (step S38).

On the other hand, when the portable storage device 100 is connected to the host computer 200 by a method other than a physical method (for example, a wireless method), the portable storage device 100 may process according to the case of physical disconnection. In addition, when the commercially available hardware safety removal tool provided by the host computer 200 is executed, processing can be performed in accordance with the initial menu window termination.

Thus far, a description has been given of a portable storage device equipped with software according to the present invention and a method of protecting personal information when the portable storage device is separated from a computer. In the present specification and drawings, preferred embodiments of the present invention have been disclosed, and although specific terms have been used, these are merely used in a general sense to easily explain the technical contents of the present invention and to help the understanding of the present invention. It is not intended to limit the scope. It is to be understood by those skilled in the art that other modifications based on the technical idea of the present invention are possible in addition to the embodiments disclosed herein.

The portable storage device equipped with the software according to the present invention and the privacy protection method when the portable storage device is separated from the computer can be usefully applied to the on-demand software service represented by the on-demand software streaming technology. .

1 is a schematic diagram of a host computer and a portable storage device.

2 is a block diagram illustrating a configuration of a portable storage device according to an exemplary embodiment of the present invention.

3 is a flowchart illustrating a method of protecting personal information when detaching a portable storage device according to an exemplary embodiment of the present invention.

4 is a flowchart illustrating a usage history deleting process according to a disconnection of a portable storage device according to an exemplary embodiment of the present invention.

5A is an exemplary diagram of a usage history deletion query popup window according to an exemplary embodiment of the present invention.

5B is an exemplary view of a storage device safe removal query pop-up window according to an embodiment of the present invention.

<Description of main parts of drawing>

100: portable storage device 110: communication interface

120: I / O adapter 130: automatic execution unit

140: storage unit 141: initial menu window

142: virtual environment engine 143: delete module

144: Software Package 145: Process Manager

150: communication bus 200: host computer

Claims (11)

An automatic execution unit that is automatically loaded and executed on the host computer when the portable storage device is connected to the host computer; A virtual environment engine loaded on the host computer by the automatic execution unit to build a virtual environment, and executing software mounted on the portable storage device under the virtual environment; Loaded into the host computer by the automatic execution unit, generating a delete command when the connection between the portable storage device and the host computer is interrupted, thereby removing the virtual environment and the software from the host computer, A deletion module that executes and deletes the usage history stored in the host computer; Portable storage device comprising a. The method according to claim 1, The usage history is a portable storage device comprising at least one of a file the user has worked on the host computer, opened Internet list, cookies, files stored on the desktop, login ID. The method according to claim 1, An initial menu window loaded on the host computer by the automatic execution unit and displayed on a display unit, the initial menu window including software not installed on the host computer and files and contents executed through the software; Portable storage device further comprises. The method of claim 3, The virtual environment is a portable storage device, characterized in that corresponding to the selected item of the software, the file, the content included in the initial menu window. When a portable storage device is connected to a host computer, an automatic execution unit of the portable storage device is loaded and executed on the host computer; Building a virtual environment by loading, by the automatic execution unit, the virtual environment engine and the deletion module stored in the portable storage device into the host computer; The virtual environment engine loading software stored in the portable storage device to the host computer to execute the software in the virtual environment; Storing usage information generated while the software is executed in the virtual environment on the host computer; If the connection between the portable storage device and the host computer is interrupted, the deleting module generates a delete command to remove the virtual environment and the software from the host computer and delete the usage history; Personal information protection method when detaching a portable storage device including a. The method according to claim 5, The usage history is a personal information protection method when the removable storage device, characterized in that it comprises at least one of a file that the user worked on the host computer, opened Internet list, cookies, files stored on the desktop, login ID. The method according to claim 5, Loading, by the automatic execution unit, an initial menu window stored in the portable storage device to the host computer, and displaying the initial menu window on a display unit; More, And the initial menu window comprises at least one of software not installed on the host computer and files and contents executed through the software. The method of claim 7, And the virtual environment corresponds to a selected item of the software, the file, and the content included in the initial menu window. The method according to claim 5, Deletion of the usage history, Recognizing, by the deletion module, that the portable storage device is disconnected; Displaying, by the deletion module, a history deletion query popup window on a display unit of the host computer; Deleting, by the deletion module, the virtual environment and the software from the host computer and deleting the usage history when there is a deletion input through the pop-up window; Personal information protection method when detaching a portable storage device comprising a. The method of claim 7, Deletion of the usage history, The deleting module recognizing the end of the initial menu window; Displaying, by the deleting module, a storage device safety removal query pop-up window on a display unit of the host computer; If there is a safe removal input through the pop-up window, the deletion module disconnects the portable storage device from the host computer and simultaneously removes the virtual environment and the software from the host computer and deletes the usage history; Personal information protection method when detaching a portable storage device comprising a. A computer-readable recording medium having recorded thereon a program for executing the method according to any one of claims 5 to 10.

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