KR20100117455A - Usb mass storage device with rfid security module - Google Patents

Usb mass storage device with rfid security module Download PDF

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Publication number
KR20100117455A
KR20100117455A KR1020090036227A KR20090036227A KR20100117455A KR 20100117455 A KR20100117455 A KR 20100117455A KR 1020090036227 A KR1020090036227 A KR 1020090036227A KR 20090036227 A KR20090036227 A KR 20090036227A KR 20100117455 A KR20100117455 A KR 20100117455A
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KR
South Korea
Prior art keywords
storage device
usb
rfid
mass storage
computer
Prior art date
Application number
KR1020090036227A
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Korean (ko)
Inventor
임완수
Original Assignee
주식회사 모비너스
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Application filed by 주식회사 모비너스 filed Critical 주식회사 모비너스
Priority to KR1020090036227A priority Critical patent/KR20100117455A/en
Publication of KR20100117455A publication Critical patent/KR20100117455A/en

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    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F13/00—Interconnection of, or transfer of information or other signals between, memories, input/output devices or central processing units
    • G06F13/38—Information transfer, e.g. on bus
    • G06F13/382—Information transfer, e.g. on bus using universal interface adapter
    • G06F13/385—Information transfer, e.g. on bus using universal interface adapter for adaptation of a particular data processing system to different peripheral devices
    • 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
    • G06F21/70—Protecting specific internal or peripheral components, in which the protection of a component leads to protection of the entire computer
    • G06F21/78—Protecting specific internal or peripheral components, in which the protection of a component leads to protection of the entire computer to assure secure storage of data
    • G06F21/79—Protecting specific internal or peripheral components, in which the protection of a component leads to protection of the entire computer to assure secure storage of data in semiconductor storage media, e.g. directly-addressable memories

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  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Computer Security & Cryptography (AREA)
  • Computer Hardware Design (AREA)
  • Physics & Mathematics (AREA)
  • General Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Software Systems (AREA)
  • Storage Device Security (AREA)

Abstract

PURPOSE: A USB mass storage device with an RFID security module is provided to prevent the data leakage of a mobile storage device by authenticating use right based on an RFID when being connected to a computer. CONSTITUTION: A USB(Universal Serial Bus) interface unit(100) includes a USB controller which controls the data transfer between a USB port or a USB and the large capacitive storage device, and a storage device control unit(300) allows and disconnects the access between the computer and the large capacitive storage device through the USB interface unit. An RFID(Radio Frequency ID) security module(400) controls the access grant or blocking state for the large capacitive device according to the authentication result of ID information recognized from an RFID tag.

Description

USB mass storage device with RFID security device {USB mass storage device with RFID security module}

The present invention relates to a device for providing a data security function of a USB mass storage device.

Recently, various portable storage media have emerged in order to meet the changing network environment and the demand for more convenient data storage and mobility.In response to the demand of the new storage media, high-capacity storage devices using flash memory Portable storage devices are emerging.

The biggest feature of these portable storage devices is that they can be easily connected without the need for a separate adapter, that the power supplied from the USB port is sufficient and does not require a separate power supply, and the excellent portability and mobility.

The Universal Serial Bus (USB) interface specification, released in 1996, is a kind of interface for expanding compatibility in computer systems or portable devices. It has many advantages, and most of all, it has excellent advantages that can be applied to any device by securing compatibility, which is a problem of other memories.

Such expansion interface designs already include a variety of products, such as computer systems (desktop or notebook), peripheral products (e.g. scanners, keyboards, printers, mice, etc.), as well as various information consumer electronics (IA; It is applied to information terminal (PDA), digital camera (DSC), digital worker (MP3 Player), portable hard disk (Removable Hard Disk, etc.) and is easy to use and compatible. At the same time, consumer interest is increasing day by day.

In addition, USB memory can be plug and play at any time by connecting directly to a computer or other USB-equipped connection slots, and to transfer and exchange data directly with other types of consumer electronics and digital communication devices. Do.

Conventional removable storage devices such as USB memory have many advantages in terms of portability and ease of use, but there are many disadvantages in terms of security of information leakage. The mobile storage device may be easily exposed to information in the mobile storage device due to loss and theft, and there is a vulnerability that information may be easily leaked by an insider. As a security countermeasure, an apparatus and method for providing protection of data using encryption and control of data access using RFID are required.

In general, a simple lock function such as a password is applied as the security of the mobile storage device, but in this case, it is not only cumbersome to memorize the password but also may be exposed to the risk of hacking.

In order to solve the above problems, the present invention is a procedure for authenticating the user's identity when using the USB storage device as having an RFID security device that can use the data of the storage device after identifying and verifying the RFID tag of the user It is a technical problem to provide a USB storage device equipped with an RFID security device to prevent data leakage due to loss or theft of the device.

According to a USB storage device equipped with an RFID security device according to the present invention, it is determined whether or not the original user information stored in the user information storage device matches the ID information of the authenticator obtained from the RFID tag in use and according to the determination result. A USB memory device is connected to a computer, which includes a program memory device for recording an RFID security program for determining whether the device is operated, and an independent microprocessor for loading, executing, and controlling the RFID security program from the program memory device. When not in use, it cannot be used by anyone other than the person who has the right to use by RFID identification, thereby providing a security effect against the leakage of data due to the loss or theft of the mobile storage device.

In order to achieve the above object, the present invention provides a USB storage device 1 having a USB port connected to a USB terminal of a computer, and controls data transmission between the USB port 110 and the mass storage device 200. A USB interface unit 100 formed of a USB controller 120; A mass storage device 200 for storing data input from the computer via the USB interface unit; A storage device controller 300 for controlling a USB interface to access the mass storage device; RFID security device unit for determining whether or not the operation of the storage device (1) by determining whether the registered user information and wirelessly read the ID information and whether to match and control the storage device control unit 300 according to the match ( It is characterized by the technical configuration that comprises a 400).

Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the drawings.

1 is a block diagram showing a USB storage device 1 equipped with an RFID security device according to the present invention.

2 is a conceptual diagram schematically showing an example in which a USB storage device 1 equipped with a computer and an RFID security device is applied to a computer.

1 and 2, the USB storage device 1 equipped with the RFID security device according to the present invention is to be connected to the USB terminal of the computer to use the USB interface unit 100, mass storage device 200 ), The storage device control unit 300, RFID security unit 400.

The USB interface unit 100 is composed of a USB port and a USB controller, the USB controller is approached to the mass storage device 200 by the control of the storage device controller 300, between the computer and mass storage device 200. In this role, it controls the flow of data exchange.

The mass storage device 200 uses a normal nonvolatile flash memory (FLASH MEMORY) for storing data input through the USB interface unit 100.

The mass storage device 200 may additionally record a program code and an RFID code used in the RFID security device unit to replace the program memory device and the RFID code memory device in the RFID security device unit 400 in some cases. The configuration of the device 400 can be simplified.

The storage device control unit 300 serves to block or allow access to the mass storage device 200 by the USB interface unit 100 according to control by the security of the RFID security device unit 400.

The RFID security device 400 includes a microprocessor 410, an antenna 420, an RFID transmitter and receiver 430, a user information memory device 440, a program memory device 450, and a memory (RAM) 460. Is done.

Subsequently, the program memory device 450 of the RFID security apparatus 400 receives ID information of the RFID tag from the RFID transmitter / receiver 430 and determines whether the user information and the code match, and determines whether the user information and the code match. A ROM, a flash memory, or an EPROM is generally used as an element storing an RFID communication protocol, a security algorithm, and a program for controlling whether the storage device is operated by controlling the storage device control unit 300.

Subsequently, the microprocessor 410 of the RFID security device 400 may include a USB controller 120, a program memory device 450, a user information memory device 440, an RFID transmitter and receiver 430, and a storage device controller 300. ), And is connected to the mass storage device 200, and loads and executes an RFID communication protocol, a security algorithm, and a program from the program memory device 450.

Subsequently, the user information storage device 440 of the RFID security device unit 400 stores original user information data used for authentication, and is usually composed of an EEPROM or a nonvolatile memory (FLASH MEMORY).

Subsequently, the RFID transmitter / receiver 430 of the RFID security device unit 400 supports protocols such as ISO14443A, ISO14443B, and ISO15693, which are high-frequency RFID communication standards, and performs data transmission / reception with an RFID tag supporting the protocol. do.

Subsequently, the power of the RFID security device 400 uses power applied through a USB port from a USB terminal of a computer, and since 5V power is normally applied, the system voltage is lowered using a constant voltage regulator as necessary. Sometimes.

The operation of the USB storage device 1 equipped with the RFID security device according to the present invention will be described with reference to FIGS. 1 and 2 as follows.

First, when the user inserts the USB storage device 1 into the USB terminal of the computer and connects it to the computer through the USB interface, the initial state of the storage controller is in an access blocking state for all or part of the mass storage device. . If the user does not own an authenticated RFID tag, the storage device controller 300 cannot access the mass storage device 200 in the storage device 1 from the computer, and the data of the mass storage device 200 It will be safely protected from external spills. The initial state of the RFID transceiver is in a state ready for access of the RFID tag. When the user approaches the RFID tag within 10 cm, the RFID transceiver detects the existence of the tag and performs communication to read the unique information recorded in the RFID tag. In this case, general unique information may be a UID (Unique ID) of a tag or a separate code stored in a tag memory. If the read ID information coincides with the user information registered in the user information storage device, the microprocessor releases the blocking state of the storage controller so that the user can freely read and write from the mass storage device.

1 is a block diagram showing a USB storage device equipped with an RFID security device according to the present invention

Figure 2 is a conceptual diagram showing an application example applied to the USB storage device equipped with the RFID security apparatus according to the present invention.

* Description of the major symbols for the main parts of the drawings *

100: USB interface unit

110: USB port

120: USB controller

200: mass storage device

300: storage device control unit

400: RFID security device

410: microprocessor

420: antenna

430: RFID Transceiver

440: user information memory device

450: program memory device

460: Memory (RAM)

Claims (2)

In the USB storage device which is interfaced to the USB terminal of the computer, allowing data exchange with the computer, A USB interface unit 100 including a USB port, a USB controller for controlling data transmission to the USB port, and a mass storage device; A mass storage device for storing data input from the computer via the USB interface unit; A storage device control unit controlled to allow or block access to the mass storage device from the computer through the USB interface unit; According to authentication result of ID information recognized through wireless interface with external RFID tag RFID security device unit for controlling the state of the storage device control unit to access or block access to the mass storage device; including, the RFID security device unit, A user information memory device for storing registered user information; An antenna for emitting a high frequency signal to communicate with the tag; An RFID transmitter and receiver for performing wireless communication with a tag through an antenna; The ID information is read through communication between the antenna and the RFID tag through the RFID transmitter and receiver to determine whether or not the user information recorded in the user information storage device is matched, and whether or not access to the storage device controller is allowed or blocked according to the match. A program memory device having a built-in RFID security program for determining the status; A microprocessor for executing and controlling the RFID security program of the program memory device; USB storage device provided with an RFID security device, characterized in that configured to be made of a temporary memory used by the microprocessor. The method of claim 1, The storage device of the mass storage device is a NAND flash memory (NAND FLASH MEMORY) or a USB storage device with an RFID security device, characterized in that consisting of a media card containing the NAND flash memory.
KR1020090036227A 2009-04-24 2009-04-24 Usb mass storage device with rfid security module KR20100117455A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR1020090036227A KR20100117455A (en) 2009-04-24 2009-04-24 Usb mass storage device with rfid security module

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1020090036227A KR20100117455A (en) 2009-04-24 2009-04-24 Usb mass storage device with rfid security module

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KR20100117455A true KR20100117455A (en) 2010-11-03

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101530656B1 (en) * 2013-11-25 2015-06-23 (주)세솔 USB memory device with authentication by RFID and its driving method

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101530656B1 (en) * 2013-11-25 2015-06-23 (주)세솔 USB memory device with authentication by RFID and its driving method

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