WO2015102220A1 - 보안저장장치를 구비하는 저장 시스템 및 그 관리 방법 - Google Patents
보안저장장치를 구비하는 저장 시스템 및 그 관리 방법 Download PDFInfo
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- WO2015102220A1 WO2015102220A1 PCT/KR2014/010490 KR2014010490W WO2015102220A1 WO 2015102220 A1 WO2015102220 A1 WO 2015102220A1 KR 2014010490 W KR2014010490 W KR 2014010490W WO 2015102220 A1 WO2015102220 A1 WO 2015102220A1
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- digital key
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/06—Digital input from, or digital output to, record carriers, e.g. RAID, emulated record carriers or networked record carriers
- G06F3/0601—Interfaces specially adapted for storage systems
- G06F3/0602—Interfaces specially adapted for storage systems specifically adapted to achieve a particular effect
- G06F3/062—Securing storage systems
- G06F3/0622—Securing storage systems in relation to access
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F12/00—Accessing, addressing or allocating within memory systems or architectures
- G06F12/14—Protection against unauthorised use of memory or access to memory
- G06F12/1408—Protection against unauthorised use of memory or access to memory by using cryptography
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F12/00—Accessing, addressing or allocating within memory systems or architectures
- G06F12/14—Protection against unauthorised use of memory or access to memory
- G06F12/1458—Protection against unauthorised use of memory or access to memory by checking the subject access rights
- G06F12/1466—Key-lock mechanism
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F21/00—Security arrangements for protecting computers, components thereof, programs or data against unauthorised activity
- G06F21/60—Protecting data
- G06F21/62—Protecting access to data via a platform, e.g. using keys or access control rules
- G06F21/6209—Protecting access to data via a platform, e.g. using keys or access control rules to a single file or object, e.g. in a secure envelope, encrypted and accessed using a key, or with access control rules appended to the object itself
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/06—Digital input from, or digital output to, record carriers, e.g. RAID, emulated record carriers or networked record carriers
- G06F3/0601—Interfaces specially adapted for storage systems
- G06F3/0628—Interfaces specially adapted for storage systems making use of a particular technique
- G06F3/0629—Configuration or reconfiguration of storage systems
- G06F3/0637—Permissions
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/06—Digital input from, or digital output to, record carriers, e.g. RAID, emulated record carriers or networked record carriers
- G06F3/0601—Interfaces specially adapted for storage systems
- G06F3/0668—Interfaces specially adapted for storage systems adopting a particular infrastructure
- G06F3/0671—In-line storage system
- G06F3/0673—Single storage device
- G06F3/0674—Disk device
Definitions
- the present invention relates to a storage system of a computer, and more particularly, in an inactive state, it is not known whether an application exists through an application of an operating system, and when the user's password is input through an application including a digital key, the digital key and the password are used.
- the present invention relates to a storage system and a method including a secure storage device including a secured disk area that is activated and used only by a.
- Such security systems include a login-type security system that inputs an ID / password when the computer is booted, and the entire storage device or a partial area of the storage device, such as Korean Patent Laid-Open Publication No. [10-2009-0067649]. Or an encryption type storage security system for encrypting a specific file selected only, and allowing the partial area or file to be used only through a specific authentication procedure.
- the conventional storage security system has a problem that all information of the computer can be leaked if only the ID and password, or password is exposed.
- the conventional storage security system can know that there is a separate area encrypted in the storage device even if you do not know the ID and password, may cause an attempt to hack the ID and password for any area of the expert by hackers, such as Attempts could be hacked username and password, this has caused a problem that information can be leaked.
- the object of the present invention can not know whether the presence of any of the application including the operating system in the inactive state, and can be activated and used only by the digital key and password when inputting the user's password through the application including the digital key.
- the present invention provides a storage system and method including a secure storage device including a secure disk area.
- a storage system having a secure storage device of the present invention for achieving the above object includes: a digital key area having a capacity of an arbitrary size and a digital data area in which a digital key is stored and a secure data area encrypted by the digital key.
- a storage unit including a secure disc;
- a kernel layer unit for deactivating the secure disk in a secure configuration mode and activating the secure disk with the digital key in a secure configuration release mode;
- a secure disk sub that processes an input / output request of the activated secure disk to an application unit capable of managing data stored in the storage unit when a security setting release request is made by execution of a key application having the same digital key as the digital key.
- the application unit is run on any one of the operating system of Windows, Linux (LINUX), Mac (MAC), Unix, Android and iOS, characterized in that one of the explorer or shell program corresponding to the operating system.
- the key application unit may include: a digital key storage unit having a digital key identical to a digital key stored in a digital key area of a secure disk; It is activated when the key application is executed, installs a secure disk processing unit in the kernel layer, activates the secure disk by the digital key when setting a user password and inputting a set user password, and processes an input / output request to the secure disk.
- a service execution unit ; And a service execution monitoring unit configured to monitor the service execution unit, set the security setting mode when a forced execution event of a service execution unit occurs, unmount the secure disk subsystem from the application unit, and terminate the service execution unit.
- the service execution unit may include: a display processing unit which provides a user interface means including a security setting and release means to be displayed on a screen when the key application is executed; An input processing unit for processing input data input through the user interface means; And a secure disk processing unit for installing the secure disk processing unit when the key application is executed and deleting the secure disk processing unit when the key application is terminated, and a user password for security setting through security setting and releasing means of the user interface means.
- a password setting unit configured to activate the secured disk after authentication by inputting, storing and setting, comparing a user password inputted through the security setting and releasing means with a preset password when a security setting release request is made, and an application through the input processing unit.
- Service execution system including a mount processor configured to process an I / O request according to data processing through a secure disk processor of the kernel layer unit when detecting an I / O event of a secure disk of an activated storage unit by monitoring an I / O generated by the controller It is characterized by including a fisherman.
- the system may include: providing a secured disk setting means on a computer screen, inputting a capacity including a start sector to be set as a secured disk through the secured disk setting means, and setting a secured disk, and a digital key having a predetermined capacity from the starting sector. And a secure disk generating application unit for setting an area and storing the digital key in the digital key area.
- the digital key may include a disk volume name used when the security disk is unsecured; Disk serial number; Disk size information; Starting sector information; An encryption key uniquely assigned to each of the key applications; And sector offset information indicating a distance between the next copy digital key.
- the digital key may further include automatic lock information indicating whether to automatically switch to a security setting mode of closing the secure disk when the computer is not used for a predetermined time.
- the digital key is composed of two or more in the digital key area, characterized in that the start sector information of each of the plurality of digital keys is configured randomly.
- Each of the digital keys may further include user option information set by a user after installation of the key application.
- the user option information includes a disk volume name; User password; Destruction password; And automatic lock information indicating whether to automatically switch to the security setting mode of closing the secure disk when there is no use of the computer for a predetermined time.
- the secured disk creation application unit may include: a secured disk setting unit configured to receive secured disk creation information including a start sector of the secured disk, secured disk volume information, and secured disk size information by displaying a user interface on a screen; Receiving secure disk creation information from the secure disk setting unit, generating a unique encryption key and a destruction key, and generating a digital key including the secure disk creation information, encryption key, destruction key, sector offset and secure disk type information.
- a digital key construction unit for generating and storing the generated digital key in a digital key area of the storage unit; And a key application generator for generating a unique key application including the digital key.
- the kernel layer unit may include an input / output manager configured to manage input / output requests for folders and files generated from a disk subsystem of an application layer;
- a file system processing unit configured to receive and process the request from the input / output management unit in the security setting mode, and to process a folder and a file in the secure disk area in the security setting release mode;
- a device processing unit connected between the file system processing unit and a storage unit which is a physical storage device to control a storage unit according to the request generated by the file system processing unit;
- a storage unit configured by the key application unit and having a secure disc, and a secure disc of the storage unit, and input / output requests for folders and files generated by the secure disc subsystem of the application unit.
- a secure disk processing unit which receives the input through the system processing unit and processes the data directly according to the type of the input / output request or through the device processing unit.
- the secure disk processing unit detects a storage unit having a secure disk, detects the secure disk in the storage unit, and generates connection information for processing input / output requests for folders and files of the secure disk generated from the key application unit.
- a component registration unit for transmitting a request generated from the key application unit to the file system processing unit based on the generated connection information;
- a driving release processing unit which terminates driving of the secure disk processing unit by deleting the generated connection information when the key application termination event occurs.
- the component registration unit may include: an object generation unit generating a kernel device object for directly processing the request generated from the key application unit and initializing a data structure; A secure disk detection unit which receives a digital key from the key application unit and detects a storage unit having a secure disk by the digital key; A subsystem packet processing unit processing packets for a request generated from the key application unit; And a file system packet processing unit that performs a packet processing for the input / output generation request and returns a result when the input / output request for the secured disk area by the disk subsystem is generated.
- the data structure may include: a first item for generating a thread for processing the packet of the file system processing unit in parallel and storing the information; A second item for receiving and storing an encryption key from the key application unit for encrypting and decrypting data provided to the input / output of the secure disk area in the packet of the file system processing unit; A third item for receiving and storing a digital key from a key application unit; A fourth item for storing an object handle of a storage unit having a secured disk; And a fifth item for storing information for plug and play notification notified when the storage unit having the secured disk is separated from the computer by the user.
- the key application unit counts the unused time of the computer, and if there is no use of the computer for a predetermined time, drives the drive release processing unit to delete the connection information registered by the component registration unit. After the deactivation or deletion of the secure disk processing unit, the terminal itself terminates and sets the security setting mode.
- the area of the secured disk of the storage unit is partitioned into an unallocated area.
- Secure storage device management method of a storage system having a secure storage device of the present invention for achieving the above object: a secure disk creation application unit that is created and activated by the execution of the secure disk creation application, the general disk, and unique Creating a secure storage device including a secure disk having a digital key area storing a digital key and a secure data area encrypted by the digital key; A secure storage device having a digital key area having a digital key identical to that of the digital key, the key application being activated by execution of a key application having the same digital key as the digital key stored in the digital key area of the secure disk; Finds, hides the secured disk area in the secured setting mode, and mounts the secured disk subsystem in the application unit when requesting to release the secured set mode by the user's user password.
- the secure disk generating application unit provides a secure disk setting means through a display processing unit, and sets a secure disk by receiving a capacity including a start sector to be set as a secure disk through the secure disk setting means. Setting a secure disk area; And a digital key configuration step of setting a digital key area of a predetermined capacity from a start sector by the secure disk generating application unit and configuring a digital key in the digital key area.
- the secure storage device generation process may further include a key application generation step of generating a key application having the digital key.
- the digital key may include a disk volume name used when the security disk is unsecured; Disk serial number; Disk size information; Starting sector information; An encryption key uniquely assigned to each of the key applications; And sector offset information indicating a distance between the next copy digital key.
- the digital key is composed of two or more in the digital key area, characterized in that the start sector information of each of the plurality of digital keys is configured randomly.
- the secure disk activation process may include: configuring a secure disk processing unit configured to configure a secure disk processing unit in a kernel layer in a key application unit driven when a key application is executed; A user interface display step of displaying the user interface means by the key application unit; A secure disk activation request checking step of checking whether a secure disk activation request is generated through the user interface means; Determining whether to input a user password to determine whether a user password input through the user interface means is input when the activation request is generated; And a secure disk activation step of activating the secure disk if it is determined that the user password has been input in the user password input decision, and compares the input user password with a preset password.
- the secure disk activation process may include: a first user determination step of determining whether a user is a first user according to whether a user password is registered in advance when it is determined that a user password is input in the user password input determination step; A user password registration user interface means displaying step of displaying a user interface means including user password registration means if the first user; And a user password registration step of storing the input user password in a user option area of the digital key when the user password is input through the user interface means.
- the method may include: deactivating a secure disk by deactivating the secure disk by deleting a secure disk processing unit and requesting the operating system to terminate driving of the key application unit when a secure disk deactivation event occurs during use of the secure disk. It features.
- the secure disk deactivation process may include: removing a secure disk processing unit by removing a registered component by driving a key decommissioning processing unit when the key application driving termination event occurs while the secure disk is in use; And the key application unit driving termination step of terminating the driving by requesting the operation termination of the key application unit from the operating system.
- the method comprises: permanently deleting a digital key in the digital key area of the secure disk if the key application unit matches the destroyed password of the digital key upon entry of the destruction password through the user interface means indicated by activation of the key application. And a secure disk destruction process for destroying data stored in the secure data area of the secure storage area.
- the method may include: a digital key of a secure disk destroyed by the start sector information of the digital key stored in the digital key storage unit and the information of the digital key area, driven by the re-execution of the key application after the secure disk destruction process; The method further includes a process of restoring the destroyed secure disk by reactivating the secure disk by storing the digital key in the found digital key area.
- the present invention can activate and deactivate the secure disk encrypted with the digital key only through a unique key application having a password set by the user and a unique digital key, thereby providing strong security.
- the present invention eliminates the need to operate various mapping table areas used in conventional similar technologies by detecting the secured disk using a digital key method, and further secures the secured disk by not operating the mapping table. Has the effect of raising.
- the present invention provides a pre-set unique destruction key, and only destroys the digital key by the destruction key when the destruction key is input from the user, so that the data of the secure disk encrypted with the digital key cannot be accessed and used. By doing so, it is possible to prevent the leakage of important data.
- the data stored in the secured disk may be copied only by copying the digital key included in the application to a region where the destroyed digital key has been stored later through the application.
- the present invention has the effect of more securely protecting the data stored in the secure disk by driving the timer to lock the secure disk when not using the computer for a predetermined time or when the standby screen switching event occurs.
- FIG. 1 is a view showing the configuration of a storage system having a secure storage device according to the present invention.
- FIG. 2 is a view showing the configuration of the secure disk generation application unit of the storage system having a secure storage device according to the present invention.
- FIG 3 is a view showing the configuration of the key application unit of the storage system having a secure storage device according to the present invention.
- FIG. 4 is a diagram illustrating a configuration of a secure disk processing unit of a storage system having a secure storage device according to the present invention.
- FIG. 5 is a view showing a data storage structure of the secure storage device according to the present invention.
- FIG. 6 is a flowchart illustrating a method for managing a secure storage device in a storage system having a secure storage device according to the present invention.
- FIG. 7 is a flowchart illustrating a method of creating a secure disk in a method of managing a secure storage device in a storage system having a secure storage device according to the present invention.
- FIG. 8 is a flowchart illustrating a secure disk activation method of the secure storage device managing method in the storage system having the secure storage device according to the present invention.
- FIG. 9 is a flowchart illustrating a secure disk deactivation method of a secure storage device managing method in a storage system having a secure storage device according to the present invention.
- FIG. 10 is a flowchart illustrating a secure disk destruction method and a restore method of a secure storage device managing method in a storage system having a secure storage device according to the present invention.
- FIGS. 1 and 5 are views showing the configuration of a storage system having a secure storage device according to the invention.
- Figure 5 is a view showing a data storage structure of the secure storage device according to the present invention.
- a storage system having a secure storage device includes an application unit 100, a kernel layer unit 200, a storage unit 300, and a security application unit 600.
- the storage unit 300 is a mass storage device having a random size of 16G, 32G, 100G, 1T, etc., and has a general disk 301 configured as a general area for storing general data as shown in FIG. 5. And a secure disc 302 having a digital key area 303 for storing a digital key and a secure data area 304 for storing secure data encrypted by the digital key.
- the digital key region 303 may be determined to have any size, and FIG. 5 illustrates a case of 1M.
- the digital key stored in the digital key area 303 may consist of one original digital key 305-1, and one original digital key 305-1 and the original digital key 305-as shown in FIG. 5. It may be composed of one or more duplicate digital keys 305-2,..., 305-n replicating 1). Each of the original digital key 305-1 and the duplicate digital keys 305-2,..., 305-n has the same start sector information. Only sector offset information may be different.
- the original digital key 305-1 and the duplicate digital keys 305-2, ..., 305-n are encryption keys, disk volume names, passwords, destruction keys (or "break passwords"), and a series of disks. Number, start sector information, secure disk size, automatic lock setting information, sector offset information, and secure disk type information.
- the encryption key is the only globally unique identifier (GUID) in the world, which is the actual digital key.
- GUID globally unique identifier
- the disk volume name is a name that can be displayed on the screen (explorer in Windows, etc.) when the secure disk 302 is opened, or can be searched on the prompt.
- the password is an initial password used when activating a secured disk.
- the password is a user password input by a user, and a value obtained by one-way hashing of the user password using a SHA1 algorithm is stored.
- the destruction key is a globally unique identification information generated at the same time as the encryption key, and is a key for destroying the digital key in the digital key area 303 so that the secure disk 302 cannot be found.
- the disk serial number is obtained from the serial number assigned by the manufacturer of the mass storage device.
- the start sector information the sector number of the sector where the secure disc 302 starts in the storage unit 300 may be used.
- the start sector information may be configured to have different start sector information for each storage device used as a secure storage device for the hard readability of the secure disk 302 of the storage unit 300.
- the disk size information is capacity information of a secure disk.
- the automatic lock information may be set to automatically close the secure disk 302 when the computer is not used for a certain period of time after the secure disk 302 is activated, that is, to set the security so that the secure disk 302 is not visible.
- the automatic lock setting may be set to 0 (or "1") and the automatic lock setting to 1 (or "0").
- the next duplicate digital key (one of 305-2, ..., 305-n) is either the current original digital key (305-1) or duplicate digital key (305-2, ..., 305-n). It indicates how many sectors are moved and copied rather than one, and may be set in units of a predetermined sector (for example, 50 sectors) or randomly.
- the original digital key 305-1 and the duplicate digital keys 305-2,..., 305-n may further include user option information.
- uniquely generated information such as encryption key, disk volume name, password, destruction password, disk serial number, start sector information, secure disk size, automatic lock setting information, sector offset information and type information may be referred to as a "digital key.
- Configuration information " and the " digital key configuration information area 306 " The area for storing the digital key configuration information is called a " digital key configuration information area 306. " 307).
- the digital key configuration information area 306 and the user option information area 307 may be configured in 512 bytes, and the digital key configuration information area and the user option information area 307 may be stored in the digital key configuration information area 306. The stored user information will be stored encrypted.
- the secured disc type information is information on whether or not to grant a user the right to change a password or a configuration item when creating the secured disc 302.
- the user option information is information that can be applied when a part of the configuration item of the digital key used when the secure disk 302 is first created can be changed by the user by the secure disk type. It may include user passwords, destruction passwords and automatic lock information.
- the digital key area 303 may be configured to be as large as the capacity from the start sector of the secure disk 302 or may be configured to be as large as the capacity from the end sector of the secure disk 302. However, it would be desirable to be configured in the start sector of the secured disc 302.
- the size of the digital key region may be set to various sizes, but may be configured to about 1Mbyte.
- Data stored in the secure data area 304 is encrypted and stored.
- AES256 may be applied.
- Only one secure disk 302 having the digital key area 303 and the secure data area 304 for storing the digital key may be configured in one physical storage unit 300 as shown in FIG. Two or more may be configured.
- the application unit 100 is an application that runs in the user mode (or "application layer") of the operating system, and is an explorer or shell program of an operating system such as Windows, Linux (LINUX), Mac, UNIX, Android, or iOS. And so on.
- an operating system such as Windows, Linux (LINUX), Mac, UNIX, Android, or iOS. And so on.
- the application unit 100 includes a disk subsystem 10 and a secure disk subsystem 20 according to an embodiment of the present invention.
- the disk subsystem 10 is driven together with the driving of the application unit 100 to store data such as folders and files in the storage unit 300 through the kernel layer unit 200, and to read and display the stored data. And the like.
- the secure disk subsystem 20 processes input and output to the secure disk 302 of the storage unit 300 generated by the key application according to the present invention.
- the secure disk subsystem 20 encrypts the data through the secure disk processing unit 240 when the input and output of data to the activated secure disk 302 occurs in the secure disk 302, and reads the stored encrypted data. Decrypt
- the security application unit 600 is generated by an application such as an ActiveX, a security application, or the like provided from a security application stored in the storage unit 300 or other storage means or a service server (not shown) connected on the web, and the storage unit 300.
- a secure disk 302 is mounted, and the secure disk subsystem 20 is mounted on the application unit 100.
- the security application may be configured in the form of a library such as xxx.dll and xxx.lib when the operating system is Windows may be provided to a third application. That is, the security application unit 600 may be configured to be generated by a third application that operates by loading the xxx.dll and xxx.lib libraries according to the present invention.
- the secure application unit 600 includes a key application unit 500 activated by a key application and a secure disk generation application unit 400 activated by a secure disk creation application.
- a key application unit 500 activated by a key application
- a secure disk generation application unit 400 activated by a secure disk creation application.
- the key application may be configured in the form of xxx.dll and xxx.lib.
- the security disk 302 of the storage unit 30 is activated in the security setting release mode and the secure disk subsystem ( 20).
- the key application unit 500 unmounts the secure disk subsystem 20 from the application unit 100 when the secure disk deactivation event occurs.
- the secure disk deactivation event may be a key application termination event due to normal termination or forced termination of the key application unit 500 by the user interface means activated when the key application unit 500 is activated. It may also be a storage detach event generated by the detachment of a storage device 300 including 302.
- the kernel layer unit 200 is configured between the application unit 100, the security application unit 600, and the storage unit 300 to store in the storage unit 300 in response to input / output requests generated by the application unit 100. Data input / output processing for input / output of data and stored data is performed.
- the kernel layer unit 200 includes an input / output management unit 210, a file system processing unit 220, a device processing unit 230, and a secure disk processing unit 240.
- the input / output management unit 210 manages the overall input / output for processing the input / output generated by the disk subsystem 10 and the secure disk subsystem 20 of the application unit 100.
- the input / output management unit 210 may be configured to include an input / output service system (I / O system service), an object manager (Object Manager), a security manager (Security) and an input / output manager (I / O Manager). Since the configuration of the input / output management unit 210 of Windows is a well-known technique, detailed description thereof will be omitted.
- the file system processing unit 220 manages logical information configured to store the input / output provided through the input / output management unit 210 in the storage 300 with data such as a folder and a file according to the operating system. Configures and provides data, such as folders and files, or performs data processing for providing to the application unit 100.
- the file system processing unit 220 may be a file system driver that processes data according to a file system such as NTFS, FAT16, FAT32, etc., when the operating system is Windows, and stores data such as folders and files according to the file system. Configure and store in the storage unit 300, and reads the stored data. Since the Windows file system configuration is a well-known technique, detailed description thereof will be omitted.
- the device processor 230 controls the physical storage unit 300 with respect to the data processing request requested by the file system processor 220 to perform processing on the corresponding data, and transmits the result to the file system processor 220. Returns.
- the key application unit 500 is activated and a secure disk processor 240 is generated in the kernel layer unit 200 by the key application unit 500.
- the generated secure disk processing unit 240 detects the storage unit 300 including the secure disk 302 under the control of the key application unit 500, and stores the secure disk 302 in the security release mode. Receives an I / O request according to data input / output from the secure disk subsystem 20 mounted in 100, and creates objects for processing the input / output requests.
- the secure disk processing unit 240 outputs an I / O request for data and stored data to be stored in the detected secure disk 302 corresponding to requests generated by the security subsystem 20 and the input and output management unit 210 and
- the processing result received through the file system processing unit 220 and performing a process corresponding to an input / output request is returned to the secure disk subsystem 20 through the file system processing unit 220 and the input / output management unit 210 or the device.
- the I / O request is processed to the secure disk 302 of the storage unit 300 through the processor 230.
- the secured disk processor 240 encrypts and provides the data for the request to the device processor 230 according to the present invention, and is processed by the device processor 230 from the secured disk 302 of the storage unit 300.
- the read encrypted data is decrypted and provided to the secure disk subsystem 20.
- the input and output is information input and output (disk information, volume information and partition information, etc.) for the security disk 302
- the input and output is the secure disk subsystem 20 ⁇ -> I / O management unit 210 ⁇ -> File system processing unit 220 is processed through the ⁇ -> secure disk processing unit 240
- the input and output is a data input and output for the file or folder for the secure disk 302
- the input and output is secure disk sub System 20 ⁇ -> input and output management unit 210 ⁇ -> file system processing unit 220 ⁇ -> secure disk processing unit 240 ⁇ -> is processed through the device processing unit 230.
- the AES256 method may be applied.
- the configuration of the secure disk processing unit 240 will be described in detail with reference to FIG. 4.
- the secured disk creation application unit 400 is generated when the secured disk creation application is driven in the user mode like the application unit 100 to generate the storage unit 300 including the secured disk 302 according to the present invention. Detailed configuration and operation of the secure disk creation application unit 400 will be described in detail with reference to FIG.
- FIG. 2 is a view showing the configuration of the secure disk generation application unit of the storage system having a secure storage device according to the present invention.
- the secure disk generating application unit 400 includes a secure disk configuration unit 410, a display processing unit 420, and an input processing unit 430.
- the display processor 420 may input a start sector, a capacity (secure disk size), and disk volume information for creating a storage unit 300 including a secure disk on a screen of a computer on which a secure disk creating application is driven.
- a user interface means including a secured disk creation means and the like is displayed.
- the input processor 430 receives an input corresponding to the user interface means and outputs the input to the secure disk configuration unit 410.
- Secure disk configuration unit 410 provides a user interface means to the display processing unit 420, and receives the secure disk generation information input through the input processing unit 430, encryption key, destruction key, sector offset, After generating a digital key including sector start information, disk size information, disk volume information, and the like, the secure disk processor 240 is called to generate a digital key having a predetermined size from the start sector of the start sector information of the storage unit 300.
- a secure disk 302 having a secure data area 304 for encrypting and storing the digital key in the area 303 and encrypting and storing data after the digital key is stored.
- the secure disk configuration unit 410 provides the user interface means through the display processing unit 420 to receive secure disk creation information such as a start sector of the secure disk, secure disk volume information, and secure disk size information.
- Receive secure disk creation information from the disk setting unit 411, the secure disk setting unit 411, generates a unique encryption key and destruction key, the secure disk creation information, encryption key, destruction key, sector offset and
- a digital key constructing unit 412 for generating a digital key including secure disk type information and storing the generated digital key in the digital key area 303 of the storage unit 300 and a unique key including the digital key.
- a key application generating unit 413 for generating an application.
- the generated key application may be provided to any user together with the storage unit 300, and provided in the form of an ActiveX and security application from a service server when the user accesses any service server (not shown) on the Internet. You might get it.
- FIG 3 is a view showing the configuration of the key application unit of the storage system having a secure storage device according to the present invention.
- the key application unit 500 includes a service execution unit 510, a digital key storage unit 520, and a service execution monitoring unit 530.
- the digital key storage unit 520 stores the same digital key as the digital key (except user option information) stored in the digital key area 303 of the secure disk 302 of the storage unit 300.
- the service execution unit 510 controls the overall operation of the storage system having a secure storage device according to the present invention.
- the service execution unit 510 processes the overall operation of activating or deactivating the user option information setting and the secure disk 302 of the storage unit 300 according to the present invention.
- the service execution unit 510 includes a display processing unit 511, an input processing unit 512, and a service execution control unit 513.
- the display processing unit 511 displays user interface means including user option information setting, security setting release, and security setting means on the screen of the computer on which the key application is driven.
- the input processor 512 receives an input corresponding to the user interface means and outputs it to the service execution controller 513.
- the service execution control unit 513 may provide the user interface means provided through the secure disk processing unit installation unit 514 and the display processing unit 511 to generate the secure disk processing unit 240 in the kernel layer unit 200 when the key application is executed.
- the user password setting means is provided, and the user password setting means registers or changes the user password, so that the user option area of the digital key of the digital key storage unit 520 or the digital key area 303 of the storage unit 300 is provided.
- the secure disk 302, that is, the secure disk subsystem 20, is mounted or unmounted to the application unit 100 through the password setting unit 515 and the input processing unit 512.
- the data processing input and output to the secure disk 302 of the storage unit 300 occurs by the application unit 100 by the secure disk processing unit 240 of the kernel layer unit 200 It includes a mount processing unit 516 to perform data processing, and to stop it if the mount is released.
- the service execution monitoring unit 530 monitors an operation state of the service execution unit 510 and closes the secure disk 302 when detecting a forced termination event of the service execution unit 510. That is, the service execution monitoring unit 530 deactivates the security disk 302 by switching from the security setting release mode to the security setting mode when the service execution unit 510 is forcibly terminated. This is to prevent a hacker from forcibly terminating the service execution unit 510 and extracting data from the activated secure disk 302.
- the service execution unit forced termination event may be generated when the operation of the service execution unit 510 is terminated and the storage unit 300 including the secure disk 302 is detached. Operation termination of the service execution unit 510 may mean termination of a process (* .exe) for driving the service execution unit 510 in the case of a Windows operating system.
- FIG. 4 is a diagram illustrating a configuration of a secure disk processing unit of a storage system having a secure storage device according to the present invention.
- the secure disk processing unit 240 includes a component registration unit 241 and a drive release processing unit 242.
- the component registration unit 241 detects the storage unit 300 including the secure disk 302, and input / output or security for the digital key and user option information of the secure disk 302 generated from the key application unit 500.
- the secure disk 302 is activated by the processing of the mode release request.
- the component register 241 After the secure disk 302 is activated, the component register 241 generates connection information such as object information for processing an input / output request for data such as a folder and a file for the secure disk 302, Based on the generated connection information, the I / O request generated from the secure disk subsystem 20 is directly processed according to the I / O request type and returned to the file system processor 220 or transmitted to the device processor 230.
- most of the commands for controlling the use / stop of the secure disk 302, etc. These commands are generated in the key application unit 500, and not via the input / output management unit 210 and the file system processing unit 220, Directly received from the key application unit 500 is processed in the secure disk processing unit 240.
- the drive release processing unit 242 deletes the generated connection information when the secure disk deactivation event such as the key application termination event, the service execution unit 510 forced termination event, and the storage device detach event occurs.
- the drive of the drive is terminated and the key application unit 500 notifies the drive completion.
- the configuration of the component register 241 will be described in detail.
- the component register 241 includes an object generator 2411, a secure disk detector 2412, a subsystem packet processor 2413, and a file system packet processor 2414. And a notification processing unit 2415.
- the object generator 2411 generates a kernel device object, which is connection information for directly processing the request generated from the key application unit 500, and initializes a data structure.
- the items of the data structure include the following items for the secure disk in addition to the basic items provided in the Windows device driver structure.
- a second item for receiving and storing an encryption key for encrypting and decrypting data provided to the input / output of the secure disk area of the packet of the file system processing unit from the key application unit 500.
- the secure disk detection unit 2412 receives a digital key from the key application unit 500, detects the storage unit 300 including the secure disk 302 by the digital key, and detects the storage unit 300. The secure disk 302 is detected.
- the subsystem packet processing unit 2413 processes packets for requests originating from the secure disk subsystem 20.
- the file system packet processor 2414 stores the file in the disk subsystem 10 or the secure disk subsystem 20. Processes the packet transmitted directly to the device processing unit 230 as a request for the area of the secure disk 302 through the system processing unit 220 or the packet transmitted to the device processing unit 230 through the secure disk processing unit 240, Return the result.
- the file system packet processor 2414 processes the following message when the operating system is Windows.
- IRP_MJ_CREATE Request to create a kernel object delivered by the application unit (explorer), and returned in response to normal processing.
- IRP_MJ_CLOSE This is a request to destroy the kernel object delivered by the application unit. It returns in response to normal processing.
- IRP_MJ_READ All read requests sent by the application unit when a user reads or saves an actual file or when an operation such as formatting, creating, or deleting a virtual volume provided by the secure disk 302 is performed. (The kernel may have a read request even if the user makes a write request)
- 4.IRP_MJ_WRITE All read requests sent by the application unit when a user reads or saves an actual file or performs an operation such as formatting, creating, or deleting a virtual volume provided by the secure disk 302. Handle
- IRP_MJ_DEVICE_CONTROL When the user reads or saves an actual file by the application unit 100, all control requests transmitted when formatting, creating, or deleting a virtual volume provided by the secure disk 302 are performed. process. Ignore all but necessary processing for normal operation of secure disk 302
- IOCTL_DISK_GET_DRIVE_GEOMETRY The DISK_GEOMETRY information requested by the file system processing unit 220 (file system driver in Windows) is constructed and returned as follows. This information is for recognizing the normal volume in the application unit (explorer of Windows) based on the information of the digital key for the secure disk.
- Disk size / 512 (default sector size) / 32/2 of digital key for secure disk
- IOCTL_DISK_GET_LENGTH_INFO The GET_LENGTH_INFOMATION_INFO information requested by the file system driver is constructed and returned as follows. This information is for recognizing a normal volume or partition in Windows Explorer based on the information of the digital key for the secure disk.
- Disk size Size of digital key area for secure disk
- IOCTL_DISK_GET_PARTITION_INFO Configure and return the PATRTITION_INFORMATION information requested by the file system driver as follows. This information is for recognizing a normal volume or partition in Windows Explorer based on the information of the digital key for the secure disk.
- IOCTL_DISK_GET_PARTITION_INFO_EX Configure and return the PARTITION_INFORMATION_EX information requested by the file system driver as follows. This information is for recognizing a normal volume or partition in Windows Explorer based on the information of the digital key for the secure disk.
- Partition Type 0
- Partition length disk size of the digital key for the secured disk -512
- Partition Type 0
- the notification processing unit 2415 receives and processes a Plug and Play notification that is notified when a specific storage unit 300 used as a general disk 301 or a secure disk 302 is detached from a computer by a user. do.
- a Plug and Play notification that is notified when a specific storage unit 300 used as a general disk 301 or a secure disk 302 is detached from a computer by a user. do.
- the volume for the secure disk is already mounted by the key application unit 500 and is provided to the application unit 100. Since the state is notified, the key application unit 500 is inverted through this process, and a series of processes are performed to prevent access to the secured disk volume by the searcher any more.
- FIG. 6 is a flowchart illustrating a method for managing a secure storage device in a storage system having a secure storage device according to the present invention.
- the secure disk creating application unit 400 generates the secure disk 302 in a storage unit 300 which is an arbitrary storage device (S511).
- the secured disc 302 may be created during the production of the storage unit 300 or in a computer manufacturing process such as a desktop and a laptop including the storage unit 300, or may be generated by a computer user.
- the present invention aims to increase security by providing a key application having a unique digital key to a user, it may be desirable to configure a secure disk in the production process of the storage unit 300.
- the secured disk creation process will be described in detail with reference to FIG. 7 to be described later.
- the key application unit 500 is generated as described above, and the generated key application unit 500 is generated.
- the key application unit 500 displays the user interface means on the screen after creation of the secure disk processing unit 240, sets a password by the user, and then enters the same password as the set password.
- step S513 the storage unit 300 including the storage unit 300 is detected, and the secure disk processing unit 240 is mounted on the application unit 100 to activate the detected secure disk 302 as a drive (S513).
- the secure disk 302 is mounted in the application unit 100 as a virtual volume. The method of activating the secure disk 302 will be described in detail with reference to FIG. 8.
- the application unit 100 After activating the secure disk, the application unit 100 displays the secure disk 302 as a normal drive, and stores or reads data on the secure disk 302 according to a user's request to use the secure disk 302. (S515).
- the key application unit 500 deactivates or deletes the secure disk processing unit 240 and the secure disk subsystem 20 installed in the kernel layer unit 200. After deactivating the secured disk 302, it ends itself (S517).
- the deactivation process of the secure disk 302 will be described in detail with reference to FIG. 9.
- FIG. 7 is a flowchart illustrating a method of creating a secure disk in a method of managing a secure storage device in a storage system having a secure storage device according to the present invention.
- the secure disk creating application unit 400 displays a user interface means displayed on a computer screen, and whether a secure disk creation event is generated by pressing a button for generating a secure disk from the user interface means.
- Check (S611).
- the secured disk creation event may be generated by the secured disk creation button of the user interface means as described above, but may also be the execution of the secured disk creation application itself.
- the secured disk creation application unit 400 displays a secured disk creation user interface means for inputting secured disk creation information for creating a secured disk when a secured disk creation event occurs and requests input of the secured disk creation information.
- the secured disk creation user interface means may be a means for setting an area range of the secured disk.
- the secure disk area range may be a starting sector and a capacity (secure disk size) of the secure disk 302.
- the secured disk creation application unit 400 After displaying the secured disk creation user interface means, the secured disk creation application unit 400 checks whether a secured disk creation request is generated through the secured disk creation user interface means (S615).
- the secured disk creation application unit 400 When the secured disk creation request is generated, the secured disk creation application unit 400 generates and stores a unique encryption key and destruction key (S617, S619).
- the secure disk generation application unit 400 After generating the encryption key and the destruction key, the secure disk generation application unit 400 allocates a digital key region having a predetermined size from the start sector (S621).
- the secure disk generating application unit 400 When the digital key area is allocated, the secure disk generating application unit 400 generates a digital key including the input encryption key, destruction key, start sector information, disk size information, disk serial number, and at least one sector offset ( In operation S 625, the digital key area 303 is stored in the digital key area 303.
- the secure disk creating application unit 400 After generating the secure disk, the secure disk creating application unit 400 generates a unique key application including the digital key (S627).
- FIG. 8 is a flowchart illustrating a secure disk activation method of the secure storage device managing method in the storage system having the secure storage device according to the present invention.
- the key application unit 500 is driven (S713).
- the driven key application unit 500 generates the secure disk processing unit 240 in the kernel layer unit 200 (S715).
- the key application unit 500 displays the user interface means on the computer screen (S717), whether a secure disk activation request is generated (S719), or whether a user password registration or change request is generated. Check (S720).
- the key application unit 500 checks whether a user password has been input through the user interface means (S721). If the user password is not entered, a message requesting to input the user password is displayed on the screen (S723), and if the user password is entered, it is determined whether there is an existing registered user password to determine whether it is a first time user or an existing user. (S724).
- the key application unit 500 is the encryption key and the digital key storage unit of the digital key stored in the digital key area 303 ( The encryption key of the digital key stored in 520 is compared (S725) and checked for matching (S727). That is, it is checked whether the digital key stored in the secure disk 302 and the digital key of the key application match.
- the key application unit 500 terminates if the two digital keys do not match, and if it matches, displays the user password registration or change user interface means (S729), and checks whether a user password registration or change request is generated (S731). .
- the user password entered through the user password registration or change user interface means is converted into the original digital key 305-1 and the copy digital key 305 of the digital key in the digital key area 303 as shown in FIG. -2, ..., 305-n), the user option information is stored (S733).
- the encryption key of the digital key stored in the digital key area 303 and the encryption key of the digital key stored in the digital key storage unit 520 are determined. A comparison is made (S735) and a check is made (S737).
- the key application unit 500 compares the user password stored in the user option area 307 of the digital key area 303 with the input password (S739) and determines whether they match (S741). ).
- the key application unit 500 mounts the secure disk subsystem 20 on the application unit 100 to activate the secure disk 302 (S743).
- the digital key stored in the digital key area 303 of the secure disk 302 matches the digital key stored in the digital key storage unit 520 after the first user determination.
- the secure disk processor 240 Is configured (S715)
- the key application unit 500 may be configured to perform digital key authentication after searching the secure disk 302 through the secure disk drive unit 240.
- FIG. 9 is a flowchart illustrating a secure disk deactivation method of a secure storage device managing method in a storage system having a secure storage device according to the present invention.
- the key application unit 500 checks whether a secure disk deactivation event occurs (S811).
- the secure disk deactivation event may occur due to normal termination and forced termination of a key application, or detachment of the storage unit 300 including the secure disk 302.
- the key application unit 500 drives the drive release processing unit 242 of the secure disk processing unit 240 to delete the connection information generated when the secure disk is activated (S813).
- the key application unit 500 deactivates or removes the secure disk processing unit 240 (S815), and terminates itself (S817).
- FIG. 10 is a flowchart illustrating a secure disk destruction method and a restore method of a secure storage device managing method in a storage system having a secure storage device according to the present invention.
- the key application unit 500 checks whether the secure disk 302 is activated (S913).
- the secure disk activation process will be performed as shown in FIG.
- the key application unit 500 will display or display the user interface means on the screen (S917).
- the key application unit 500 checks whether a destruction request is generated by inputting a destruction key, that is, a destruction password through the displayed user interface means (S919), and whether a restoration request is generated (S921).
- the key application unit 500 compares the destruction key input through the user interface means with the destruction key of the digital key stored in the digital key storage unit 520 or the digital key area 303 (S923). ) Checks for a match (S925).
- the key application unit 500 deletes the digital key from the digital key area 303 (S927).
- the key application unit 500 loads the start sector information and the size information of the digital key area from the digital key in the digital key storage unit 520 and stores the digital key area ( 303), and stores the digital key stored in the digital key storage box 520 in the found digital key area 303 to restore the logically destroyed secure disk (S931).
- the present invention is not limited to the above-described typical preferred embodiment, but can be carried out in various ways without departing from the gist of the present invention, various modifications, alterations, substitutions or additions in the art réelle who has this can easily understand it. If the implementation by such improvement, change, replacement or addition falls within the scope of the appended claims, the technical idea should also be regarded as belonging to the present invention.
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Abstract
Description
Claims (28)
- 임의의 크기의 용량을 가지고, 디지털키가 저장되는 디지털키 영역과 상기 디지털키에 의해 암호화되는 보안 데이터 영역을 구비하는 보안디스크를 포함하는 저장부;보안설정모드에서 상기 보안디스크를 비활성화하고, 보안설정 해제모드에서 상기 디지털키에 의해 상기 보안디스크를 활성화시키는 커널계층부; 및상기 디지털키와 동일한 디지털키를 구비하는 열쇠 어플리케이션의 실행에 의한 보안설정해제 요청 시 상기 저장부에 저장된 데이터를 관리할 수 있는 어플리케이션부에 상기 활성화된 보안디스크의 입출력 요청을 처리하는 보안디스크 서브시스템을 마운트하고 상기 커널계층부를 제어하여 상기 보안디스크의 디지털키 영역에 저장되어 있는 디지털키와 동일한 상기 열쇠 어플리케이션의 디지털키에 의해 보안디스크를 활성화시키고, 상기 활성화된 보안디스크에 저장된 데이터에 대한 입출력 요청을 상기 커널계층부를 통해 처리하는 열쇠 어플리케이션부를 포함하는 것을 특징으로 하는 보안저장장치를 구비하는 저장 시스템.
- 제1항에 있어서,상기 어플리케이션부는 윈도우즈, 리눅스(LINUX), 맥(MAC), 유닉스, 안드로이드 및 iOS 중 어느 하나의 운영시스템 상에서 구동되고, 상기 운영시스템에 대응되는 탐색기 또는 쉘프로그램 중 하나인 것을 특징으로 하는 보안저장장치를 구비하는 저장 시스템.
- 제1항에 있어서,상기 열쇠 어플리케이션부는,보안디스크의 디지털키 영역에 저장되어 있는 디지털키와 동일한 디지털키를 구비하는 디지털키 보관부;상기 열쇠 어플리케이션의 실행 시 활성화되어 상기 커널계층부에 보안디스크 처리부를 설치하고 사용자 암호의 설정 및 설정된 사용자 암호의 입력 시 상기 디지털키에 의해 상기 보안디스크를 활성화시키고 상기 보안디스크로의 입출력 요청을 처리하는 서비스 실행부; 및상기 서비스 실행부를 감시하고, 서비스 실행부 강제 종료 이벤트 발생 시 상기 보안설정 모드를 설정하고, 상기 어플리케이션부로부터 상기 보안디스크 서브시스템을 마운트 해제한 후 종료시키는 서비스 실행 감시부를 포함하는 것을 특징으로 하는 보안저장장치를 구비하는 저장 시스템.
- 제3항에 있어서,상기 서비스 실행부는,상기 열쇠 어플리케이션의 실행 시 보안설정 및 해제 수단을 포함하는 사용자 인터페이스 수단이 화면에 표시될 수 있도록 제공하는 디스플레이 처리부;상기 사용자 인터페이스 수단을 통해 입력되는 입력 데이터를 처리하는 입력 처리부; 및상기 열쇠 어플리케이션 실행 시 보안디스크 처리부를 설치하고, 열쇠 어플리케이션의 종료 시 상기 보안디스크 처리부를 삭제하는 보안디스크 처리부 설치부와, 사용자 인터페이스 수단의 보안설정 및 해제 수단을 통해 보안설정을 위한 사용자 암호를 입력받아 저장하여 설정하고, 보안설정해제 요청 시 상기 보안설정 및 해제 수단을 통해 입력된 사용자 암호와 미리 설정된 암호를 비교하여 인증 후 상기 보안디스크를 활성화시키는 암호 설정부와, 상기 입력 처리부를 통해 어플리케이션부에서 발생되는 입출력을 모니터링하여 활성화된 저장부의 보안디스크에 대한 데이터 처리 입출력 이벤트를 검출 시 해당 데이터 처리에 따른 입출력 요청을 상기 커널계층부의 보안디스크 처리부를 통해 처리하는 마운트 처리부를 포함하는 서비스 실행 제어부를 포함하는 것을 특징으로 하는 보안저장장치를 구비하는 저장 시스템.
- 제1항에 있어서,컴퓨터 화면에 보안디스크 설정 수단을 제공하고, 상기 보안디스크 설정 수단을 통해 보안디스크로 설정할 시작섹터를 포함하는 용량을 입력받아 보안디스크를 설정하고, 상기 시작섹터로부터 일정 용량의 디지털키 영역을 설정하고, 상기 디지털키 영역에 디지털키를 저장하는 보안디스크 생성 어플리케이션부를 포함하는 것을 특징으로 하는 보안저장장치를 구비하는 저장 시스템.
- 제1항에 있어서,상기 디지털키는,보안디스크의 보안설정해제 시 사용되는 디스크 볼륨 이름;디스크 일련번호;디스크 크기 정보;시작섹터 정보;상기 열쇠 어플리케이션별로 고유하게 할당되는 암호화키; 및다음 복제 디지털키 간의 거리를 나타내는 섹터 오프셋 정보를 포함하는 것을 특징으로 하는 보안저장장치를 구비하는 저장 시스템.
- 제2항에 있어서,상기 디지털키는,일정 시간 동안 컴퓨터의 사용이 없을 경우, 상기 보안디스크를 닫는 보안설정모드로 자동 전환할지의 여부를 지정하는 자동 잠금 여부 정보를 더 포함하는 것을 특징으로 하는 보안저장장치를 구비하는 저장 시스템.
- 제2항에 있어서,상기 디지털키는 상기 디지털키 영역 내에 둘 이상으로 구성되되,상기 복수의 각 디지털키의 시작섹터 정보는 랜덤하게 구성되는 것을 특징으로 하는 보안저장장치를 구비하는 저장 시스템.
- 제8항에 있어서,상기 각 디지털키는 상기 열쇠 어플리케이션의 설치 후 사용자에 의해 설정된 사용자 옵션 정보를 더 포함하는 것을 특징으로 하는 보안저장장치를 구비하는 저장 시스템.
- 제9항에 있어서,상기 사용자 옵션 정보는 디스크 볼륨 이름; 사용자 비밀번호; 파괴용 비밀번호; 및 일정 시간 동안 컴퓨터의 사용이 없을 경우, 상기 보안디스크를 닫는 보안설정모드로 자동 전환할지의 여부를 지정하는 자동 잠금 여부 정보를 포함하는 것을 특징으로 하는 보안저장장치를 구비하는 저장 시스템.
- 제5항에 있어서,상기 보안디스크 생성 어플리케이션부는,사용자 인터페이스 수단을 화면에 표시하여 보안디스크의 시작섹터, 보안디스크 볼륨 정보 및 보안디스크 크기 정보를 포함하는 보안디스크 생성 정보를 입력받는 보안디스크 설정부;상기 보안디스크 설정부로부터 보안디스크 생성 정보를 입력받고, 고유의 암호키 및 파괴키를 생성하고, 상기 보안디스크 생성 정보, 암호키, 파괴키, 섹터 오프셋 및 보안디스크 타입 정보를 포함하는 디지털키를 생성하며, 생성된 디지털키를 저장부의 디지털키 영역에 저장하는 디지털키 구성부; 및상기 디지털키를 포함하는 고유의 열쇠 어플리케이션을 생성하는 열쇠 어플리케이션 생성부를 포함하는 것을 특징으로 하는 보안저장장치를 구비하는 저장 시스템.
- 제7항에 있어서,상기 커널계층부는,어플리케이션 계층의 디스크 서브시스템으로부터 발생되는 폴더 및 파일에 대한 입출력 요청을 관리하는 입출력 관리부;상기 보안설정모드에서 상기 입출력 관리부로부터 상기 요청 입력받아 처리하고, 상기 보안설정해제모드에서 상기 보안디스크 영역의 폴더 및 파일에 대한 처리를 수행하는 파일시스템 처리부;상기 파일시스템 처리부와 물리적인 저장장치인 저장부 사이에 연결되어 상기 파일시스템 처리부에서 발생된 상기 요청에 따라 저장부를 제어하는 디바이스 처리부; 및상기 열쇠 어플리케이션부에 의해 구성되어 보안디스크를 구비하는 저장부 및 상기 저장부의 보안디스크를 검출하고, 상기 어플리케이션부의 보안디스크 서브시스템에 의해 발생되는 폴더 및 파일에 대한 입출력요청을 상기 입출력 관리부 및 파일시스템 처리부를 통해 입력받아 입출력 요청의 종류에 따라 직접 처리하거나 상기 디바이스 처리부를 통해 처리하는 보안디스크 처리부를 포함하는 것을 특징으로 하는 보안저장장치를 구비하는 저장 시스템.
- 제12항에 있어서,상기 보안디스크 처리부는,보안디스크를 구비하는 저장부를 검출하고, 저장부에서 보안디스크를 검출하고, 열쇠 어플리케이션부로부터 발생되는 보안디스크의 폴더 및 파일에 대한 입출력 요청을 처리하기 위한 연결정보를 생성하고, 생성된 연결정보에 의해 상기 열쇠 어플리케이션부로부터 발생된 요청을 상기 파일 시스템 처리부로 전달하는 구성 요소 등록부; 및상기 열쇠 어플리케이션 종료 이벤트의 발생 시 상기 생성된 연결정보를 삭제하여 보안디스크 처리부의 구동을 종료하는 구동 해제 처리부를 포함하는 것을 특징으로 하는 보안저장장치를 구비하는 저장 시스템.
- 제13항에 있어서,상기 구성 요소 등록부는,상기 열쇠 어플리케이션부로부터 발생되는 상기 요청을 직접 처리하기 위한 커널 디바이스 오브젝트를 생성하고 자료구조를 초기화하는 객체 생성부;상기 열쇠 어플리케이션부로부터 디지털키를 입력받고, 상기 디지털키에 의해 보안디스크를 구비하는 저장부를 검출하는 보안디스크 검출부;상기 열쇠 어플리케이션부로부터 발생되는 요청에 대한 패킷들을 처리하는 서브시스템 패킷 처리부; 및상기 디스크 서브시스템에 의한 보안디스크 영역에 대한 입출력 요청 발생 시 상기 입출력 발생 요청에 대한 패킷의 처리를 수행한 후 그 결과를 리턴하는 파일시스템 패킷 처리부를 포함하는 것을 특징으로 하는 보안저장장치를 구비하는 저장 시스템.
- 제14항에 있어서,상기 자료구조는,상기 파일시스템 처리부의 패킷을 병행적으로 처리하기 위한 쓰레드(Thread)를 생성하고 그 정보를 저장하기 위한 제1항목;파일시스템 처리부의 패킷 중 보안디스크 영역에 대한 입출력에 부속되어 제공되는 데이터를 암호화 및 복호화하기 위한 암호화키를 열쇠 어플리케이션부로부터 수신받아 보관하기 위한 제2항목;디지털키를 열쇠 어플리케이션부로부터 수신받아 보관하기 위한 제3항목;보안디스크를 구비하는 저장부의 오브젝트 핸들을 보관하기 위한 제4항목; 및보안디스크를 구비하는 저장부가 사용자에 의해 컴퓨터로부터 분리되었을 때 통지되는 플러그 앤 플레이 통지를 위한 정보를 보관하기 위한 제5항목을 더 포함하는 것을 특징으로 하는 보안저장장치를 구비하는 저장 시스템.
- 제13항에 있어서,상기 자동 잠금 여부 정보가 자동 잠금으로 설정되어 있으면, 상기 열쇠 어플리케이션부는, 컴퓨터 미사용 시간을 카운트하여 일정 시간 컴퓨터의 사용이 없으면 상기 구동 해제 처리부를 구동하여 구성 요소 등록부에 의해 등록된 연결정보들을 삭제하고, 보안디스크 처리부를 비활성화시키거나 삭제한 후, 자신도 종료하여 보안설정모드를 설정하는 것을 특징으로 하는 보안저장장치를 구비하는 저장 시스템.
- 제1항에 있어서,상기 저장부의 보안디스크의 영역은,미할당 영역으로 파티션되는 것을 특징으로 하는 보안저장장치를 구비하는 저장 시스템.
- 보안디스크 생성 어플리케이션의 실행에 의해 생성 및 활성화되는 보안디스크 생성 어플리케이션부가 일반 디스크와, 고유의 디지털키가 저장되는 디지털키 영역 및 상기 디지털키에 의해 암호화되는 보안 데이터 영역을 구비하는 보안디스크를 포함하는 저장장치를 생성하는 보안저장장치 생성 과정;상기 보안디스크의 디지털키 영역에 저장되는 디지털키와 동일한 디지털키를 구비하는 열쇠 어플리케이션의 실행에 의해 활성화된 열쇠 어플리케이션부가 상기 디지털키와 동일한 디지털키를 구비하는 디지털키 영역을 구비하는 보안저장장치를 찾고, 보안설정모드에서 상기 보안디스크 영역을 숨기고, 사용자의 사용자 비밀번호에 의한 보안설정모드 해제 요청 시 어플리케이션부에 보안디스크 서브시스템을 마운트하여 상기 디지털키 영역에 저장된 디지털키와 동일한 자신이 가지고 있는 디지털키에 의해 상기 보안디스크의 볼륨이 보이도록 하여 상기 보안디스크에 데이터를 입출력할 수 있도록 설정하는 보안디스크 활성화 과정; 및상기 보안디스크 서브시스템이 상기 활성화된 보안디스크에 데이터를 입출력하는 보안디스크 사용 과정을 포함하는 것을 특징으로 하는 보안저장장치를 구비하는 저장 시스템의 관리 방법.
- 제18항에 있어서,상기 보안저장장치 생성 과정은,보안디스크 생성 어플리케이션부가 디스플레이 처리부를 통해 보안디스크 설정 수단을 제공하고, 상기 보안디스크 설정 수단을 통해 보안디스크로 설정할 시작섹터를 포함하는 용량을 입력받아 보안디스크를 설정하는 보안디스크 영역 설정 단계; 및상기 보안디스크 생성 어플리케이션부가 시작섹터로부터 일정 용량의 디지털키 영역을 설정하고, 상기 디지털키 영역에 디지털키를 구성하는 디지털키 구성 단계를 포함하는 것을 특징으로 하는 보안저장장치를 구비하는 저장 시스템의 관리 방법.
- 제19항에 있어서,상기 보안저장장치 생성 과정은,상기 디지털키를 구비하는 열쇠 어플리케이션을 생성하는 열쇠 어플리케이션 생성 단계를 더 포함하는 것을 특징으로 하는 보안저장장치를 구비하는 저장 시스템의 관리 방법.
- 제19항에 있어서,상기 디지털키는,보안디스크의 보안설정해제 시 사용되는 디스크 볼륨 이름;디스크 일련번호;디스크 크기 정보;시작섹터 정보;상기 열쇠 어플리케이션별로 고유하게 할당되는 암호화키; 및다음 복제 디지털키 간의 거리를 나타내는 섹터 오프셋 정보를 포함하는 것을 특징으로 하는 보안저장장치를 구비하는 저장 시스템의 관리 방법.
- 제21항에 있어서,상기 디지털키는 상기 디지털키 영역 내에 둘 이상으로 구성되되,상기 복수의 각 디지털키의 시작섹터 정보는 랜덤하게 구성되는 것을 특징으로 하는 보안저장장치를 구비하는 저장 시스템의 관리 방법
- 제18항에 있어서,상기 보안디스크 활성화 과정은,열쇠 어플리케이션의 실행 시 구동된 열쇠 어플리케이션부가 커널계층부에 보안디스크 처리부를 구성하는 보안디스크 처리부 구성 단계;상기 열쇠 어플리케이션부가 사용자 인터페이스 수단을 표시하는 사용자 인터페이스 표시 단계;상기 사용자 인터페이스 수단을 통한 보안디스크 활성화 요청이 발생되는지를 검사하는 보안디스크 활성화 요청 검사 단계;상기 활성화 요청이 발생되면 상기 사용자 인터페이스 수단을 통해 입력되는 사용자 비밀번호가 입력되었는지를 판단하는 사용자 비밀번호 입력 여부 판단 단계; 및상기 사용자 비밀번호 입력 여부 판단에서 입력된 것으로 판단되면 입력된 사용자 비밀번호와 미리 설정되어 있는 비밀번호와 비교하여 일치하면 상기 보안디스크를 활성화시키는 보안디스크 활성화 단계를 포함하는 것을 특징으로 하는 보안저장장치를 구비하는 저장 시스템의 관리 방법.
- 제23항에 있어서,상기 보안디스크 활성화 과정은,상기 사용자 비밀번호 입력 여부 판단 단계에서 사용자 비밀번호가 입력된 것으로 판단되면 미리 등록된 비밀번호의 존재 여부에 따라 처음 사용자인지를 판단하는 처음 사용자 판단 단계;처음 사용자이면 사용자 비밀번호 등록 수단을 포함하는 사용자 인터페이스 수단을 표시하는 사용자 비밀번호 등록 사용자 인터페이스 수단 표시 단계;상기 사용자 인터페이스 수단을 통해 사용자 비밀번호가 입력되면 입력된 사용자 비밀번호를 디지털키의 사용자 옵션 영역에 저장하는 사용자 비밀번호 등록 단계를 더 포함하는 것을 특징으로 하는 보안저장장치를 구비하는 저장 시스템의 관리 방법.
- 제18항에 있어서,상기 보안디스크의 사용 중 보안디스크 비활성화 이벤트의 발생 시 열쇠 어플리케이션부가 보안디스크 처리부를 삭제하고 운영시스템에 열쇠 어플리케이션부의 구동 종료를 요청하여 보안디스크를 비활성화시키는 보안디스크 비활성화 과정을 포함하는 것을 특징으로 하는 보안저장장치를 구비하는 저장 시스템의 관리 방법.
- 제25항에 있어서,상기 보안디스크 비활성화 과정은,상기 보안디스크의 사용 중 열쇠 어플리케이션 구동 종료 이벤트의 발생 시 열쇠 어플리케이션부가 구동 해제 처리부를 구동하여 등록된 구성요소들을 삭제하여 보안디스크 처리부를 제거하는 보안디스크 처리부 제거 단계; 및상기 열쇠 어플리케이션부가 운영시스템에 자신의 구동 종료를 요청하여 구동을 종료하는 열쇠 어플리케이션부 구동 종료 단계를 포함하는 것을 특징으로 하는 보안저장장치를 구비하는 저장 시스템의 관리 방법.
- 제18항에 있어서,열쇠 어플리케이션부가 열쇠 어플리케이션의 활성화에 의해 표시된 사용자 인터페이스 수단을 통해 파괴 비밀번호의 입력 시 디지털키의 파괴 비밀번호와 비교하여 일치하면 상기 보안디스크의 디지털키 영역에서 디지털키를 영구 삭제하여 보안디스크의 보안 데이터 영역에 저장된 데이터를 사용할 수 없도록 파괴하는 보안디스크 파괴 과정을 포함하는 것을 특징으로 하는 보안저장장치를 구비하는 저장 시스템의 관리 방법.
- 제27항에 있어서,상기 보안디스크 파괴 과정 후, 상기 열쇠 어플리케이션의 재실행에 의해 구동된 열쇠 어플리케이션부가 디지털키 보관부에 저장된 디지털키의 시작섹터 정보 및 디지털키 영역의 정보에 의해 파괴된 보안디스크의 디지털키 영역을 찾고 찾아진 디지털키 영역에 디지털키를 저장하여, 상기 보안디스크를 다시 활성화시키는 파괴 보안디스크 복원 과정을 더 포함하는 것을 특징으로 하는 보안저장장치를 구비하는 저장 시스템의 관리 방법.
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