WO2005046130A1 - 無線通信端末および接続情報設定方法 - Google Patents
無線通信端末および接続情報設定方法 Download PDFInfo
- Publication number
- WO2005046130A1 WO2005046130A1 PCT/JP2004/015209 JP2004015209W WO2005046130A1 WO 2005046130 A1 WO2005046130 A1 WO 2005046130A1 JP 2004015209 W JP2004015209 W JP 2004015209W WO 2005046130 A1 WO2005046130 A1 WO 2005046130A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- wireless communication
- communication terminal
- connection information
- terminal
- connection
- Prior art date
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Classifications
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L63/00—Network architectures or network communication protocols for network security
- H04L63/06—Network architectures or network communication protocols for network security for supporting key management in a packet data network
- H04L63/061—Network architectures or network communication protocols for network security for supporting key management in a packet data network for key exchange, e.g. in peer-to-peer networks
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W12/00—Security arrangements; Authentication; Protecting privacy or anonymity
- H04W12/50—Secure pairing of devices
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L63/00—Network architectures or network communication protocols for network security
- H04L63/08—Network architectures or network communication protocols for network security for authentication of entities
- H04L63/0823—Network architectures or network communication protocols for network security for authentication of entities using certificates
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W12/00—Security arrangements; Authentication; Protecting privacy or anonymity
- H04W12/06—Authentication
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W12/00—Security arrangements; Authentication; Protecting privacy or anonymity
- H04W12/60—Context-dependent security
- H04W12/69—Identity-dependent
- H04W12/73—Access point logical identity
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W84/00—Network topologies
- H04W84/02—Hierarchically pre-organised networks, e.g. paging networks, cellular networks, WLAN [Wireless Local Area Network] or WLL [Wireless Local Loop]
- H04W84/10—Small scale networks; Flat hierarchical networks
- H04W84/12—WLAN [Wireless Local Area Networks]
Definitions
- the present invention relates to a wireless communication terminal and a connection information setting method, and more particularly to, for example, a wireless communication terminal that sets connection information to a wireless communication terminal that wirelessly connects to an access point of a network using connection information stored in memory Regarding connection information setting method.
- Conventional technology a wireless communication terminal that sets connection information to a wireless communication terminal that wirelessly connects to an access point of a network using connection information stored in memory Regarding connection information setting method.
- connection information necessary for wireless connection to a wireless LAN (Local Area Network) access point in a PC (Personal Computer) using a keyboard mouse is described in “Wireless LAN and High Speed Internet”. An introduction to setting, Shunichi Murakami, Media Tech Publishing Co., Ltd., May 2003 ".
- connection information for devices with a limited display size and a limited number of operation keys, such as portable music players and Internet radio receivers.
- a main object of the present invention is to provide a new wireless communication terminal and a new connection information setting method.
- Another object of the present invention is to provide a wireless communication terminal and a connection information setting method capable of easily setting connection information for a wireless communication terminal having no character input interface. .
- a wireless communication terminal that sets connection information required for wireless connection to a network access point in a specific wireless communication terminal includes: a terminal identifier for identifying the specific wireless communication terminal; Receiving means for receiving; connecting means for connecting to the specific wireless communication terminal based on the terminal identifier received by the receiving means; and transfer means for transferring connection information to the specific wireless communication terminal after connection by the connecting means.
- the connecting unit connects to the specific wireless communication terminal based on the terminal identifier.
- the transfer means transfers the connection information to the specific wireless communication terminal after the connection by the connection means. This makes it possible to easily set connection information necessary for wireless connection to a network access point for a specific wireless communication terminal having no character input interface.
- the specific wireless communication terminal has an electronic certificate authenticated by an authentication terminal connected to the network, and the wireless communication terminal, after being connected by the connection means, has the specific wireless communication Obtaining means for obtaining an electronic certificate from the terminal; and determining means for determining whether or not the specific wireless communication terminal is a legitimate terminal based on the electronic certificate obtained by the obtaining means; When the determination result of the determination means is positive, the connection information is transferred.
- the specific wireless communication terminal has an electronic certificate authenticated by the authentication terminal.
- the obtaining unit obtains an electronic certificate from the specific wireless communication terminal, and the determining unit determines whether the specific wireless communication terminal is a legitimate terminal based on the electronic certificate obtained by the obtaining unit.
- the transfer means transfers the connection information to the specific wireless communication terminal when the determination result of the determination means is affirmative, that is, when the specific wireless communication terminal is an authorized terminal. Therefore, it is possible to prevent a situation in which an unauthorized wireless communication terminal acquires connection information.
- the electronic certificate includes the address of the authentication terminal, and the determination means determines to the authentication terminal access means for accessing the authentication terminal according to the address, and determination of the validity of the specific wireless communication terminal. Includes requesting means.
- the wireless communication terminal does not need to separately acquire the address of the authentication terminal.
- the connection information includes an access point identifier identifying the access point.
- the identification information of the access point can be given to the specific wireless communication terminal having no character input interface.
- connection information includes encryption key information for performing encrypted communication with the access point. This allows the character input interface An encryption key can be given to a specific wireless communication terminal having no ace.
- the connection information setting method for setting the connection information required for wireless connection to the network access point to the specific wireless communication terminal includes the following steps: (a) identifying the specific wireless communication terminal Receiving the terminal identifier; (b) connecting to the specific wireless communication terminal based on the terminal identifier received in step (a); and (c) transferring the connection information to the specific wireless communication terminal.
- connection information can be easily set to a specific wireless communication terminal that does not have a character input interface.
- connection information setting program executed by the processor of the wireless communication terminal for setting the connection information necessary for the wireless connection to the access point of the network to the specific wireless communication terminal comprises the following: A receiving step of receiving a terminal identifier for identifying the specific wireless communication terminal; a connecting step of connecting the specific wireless communication terminal based on the terminal identifier received in the receiving step; and a connection processing of the specific wireless communication after the connection in the connecting step Transfer step to transfer to the terminal.
- connection information can be easily set for a specific wireless communication terminal that does not have a character input interface.
- FIG. 1 is a block diagram showing the configuration of one embodiment of the present invention
- FIG. 2 is a block diagram showing an example of the configuration of a personal computer applied to the embodiment of FIG. 1;
- FIG. 3 is a block diagram showing an example of the configuration of the in-net radio receiver applied to the embodiment of FIG. 1;
- FIG. 4 is a flowchart showing a part of the operation of the CPU applied to the embodiment of FIG. 2 and the MCU applied to the embodiment of FIG. 3;
- FIG. 5 is a flowchart showing another part of the operation of the CPU applied to the embodiment in FIG. 2 and the MCU applied to the embodiment in FIG. BEST MODE FOR CARRYING OUT THE INVENTION
- PC 10 of this embodiment can be connected to wireless LAN access point router 30 by wireless communication.
- the settings for enabling wireless communication between the Internet radio receiver 20 and the wireless LAN access bottle 30 are made using the PC 10.
- the wireless LAN access point router 30 is connected to the Internet 100.
- An authentication server 40 for authenticating the Internet radio receiver 20 exists on the Internet 100.
- the wireless LAN access point router 30 has a DHCP (Dynamic Host Configuration Protocol) function of assigning network information such as an IP address to a wireless communication terminal connected to a network.
- DHCP Dynamic Host Configuration Protocol
- An electronic certificate issued by the authentication server 40 and a private key corresponding to a public key included in the electronic certificate are written in a storage device of the Internet radio receiver 20 at a manufacturing stage.
- the electronic certificate includes an address (URL: Uniform Resource Locator) indicating the location on the internet 100 of the authentication server 40 in addition to the public key.
- URL Uniform Resource Locator
- the Internet radio receiver 20 connects to the Internet 100 via the wireless LAN access point router 30 and receives streaming distribution of audio contents such as music from radio stations (not shown) existing on the Internet 100.
- the PC 10 is specifically configured as shown in FIG. According to FIG. 2, the PC 10 includes a CPU (Central Processing Unit) 50.
- the CPU 50 is connected to a RAM (Random Access Memory) 52, an HDD (Hard Disc Drive) 54, a wireless LAN card 56, a display 58, a keyboard 60 and a mouse 62 via a bus 64.
- the wireless LAN card 56 has an EEPR0M (Electronically Erasable PROM) 56e.
- the CPU 50 executes a process according to the program recorded on the HDD 54.
- the HDD 54 is set to connect the Internet radio receiver 20 to the wireless LAN access point router 30. Stores application program AP1.
- the Internet radio receiver 20 is specifically configured as shown in FIG. According to FIG. 3, the Internet radio receiver 20 includes an MCU (Micro Controller Unit) 70.
- the MCU 70 is connected to a ROM (Read Only Memory) 72, a RAM 74, a wireless LAN card 76, a keypad 78, and a DSP (Digital Signal Processor) 80.
- the display 82 is directly connected to the DSP 80.
- the speaker 88 is connected to the DSP 80 via an AMP (AMPlifier) 86 and a DAC (Digital to Analog Converter) 84.
- the wireless LAN terminal 76 is provided with an EEPROM 76e.
- the keypad 78 includes a power key 78 p, an up key 7 8 u and a down key 78 d for selecting a radio station 78 d, a plurality of preset keys 78 for selecting a specific stored radio station 78. s. Note that an input interface such as a keyboard that can easily input characters is not provided in the Internet radio receiver 20.
- the MCU 70 executes a process according to the program recorded in the ROM 72.
- the ROM 72 stores an application program AP2 for receiving a setting for connecting the Internet radio receiver 20 to the wireless LAN access point 30.
- the ROM 72 stores the above-described digital certificate and secret key.
- the Internet radio receiver 20 can communicate with the wireless LAN access point router 30. Wireless communication can be performed.
- IEEE 802.11 In this embodiment, in order to realize such wireless communication, a specification called IEEE 802.11 is adopted. This specification has been standardized by I ⁇ EE (Institute of Electrical and Electronics Engineers Inc.) regarding wireless LAN system standardization.
- an access point identifier called SS ID is assigned to a wireless communication terminal.
- Wireless communication according to Infrastructure mode is performed between wireless communication terminals with the same SSID. Only possible in. Therefore, in order to perform wireless communication in the infrastructure mode between the PC 10, the Internet radio receiver 20, and the wireless access point router 30, the PC 10, the Internet radio receiver 20, and the wireless access point router are required. It is necessary to set the same SS ID at night.
- the infrastructure mode is a mode in which wireless communication terminals are connected via an access point such as the wireless access point router 30. Incidentally, the mode in which wireless communication terminals are directly connected to each other wirelessly without going through an access point is called an ad-hoc (Ad-Hoc) mode.
- Ad-Hoc ad-hoc
- a common SSID In the case of ad hoc mode, it is necessary to set a common SSID only between desired wireless communication terminals.
- a security algorithm called WEP is used.
- WEP a security algorithm
- each wireless communication terminal that performs communication holds a WEP key (encryption key), and wireless communication is possible only when the WEP keys match each other.
- the data transmitted from the wireless communication terminal is encrypted using the WEP key, and the wireless communication terminal receiving the data encrypts the data using the same WEP key as the WEP key used for encryption.
- the dangling data is decrypted. Therefore, a common WEP key is used for wireless communication between the PC 10, the Internet radio receiver 20, and the wireless access bottle 30.
- the wireless communication terminal newly connected to the wireless LAN does not have a character input interface like the Internet radio receiver 20, it is difficult to set the SS ID and the WEP key.
- the PC 10 and the Internet radio receiver 20 are wirelessly connected in the ad hoc mode, and the SS ID and the WEP key are set in the wireless LAN card 76 of the Internet radio receiver 20 by the PC 10. I am trying to do it. Specifically, first, set the Internet radio receiver 20 as the default The set SSID is set to PC 10. In PCIO, an IP address whose only part of the network matches the fixed IP (Internet Protocol) address set as a default in the Internet radio receiver 20 is set. The default SS ID and the fixed IP address are obtained from the instruction manual of the Internet radio receiver 20. Thus, a wireless connection according to the ad hoc mode is established between the PC 10 and the Internet radio receiver 20.
- the PC 10 obtains an electronic certificate from the Internet radio receiver 20, and checks whether the public key included in the obtained electronic certificate is registered on the authentication server 40. Contact As a result, it is possible to confirm that the Internet radio receiver 20 is a legitimate device and to prevent unauthorized acquisition of a WEP key and the like.
- the PC 10 extracts the SSID and the WEP key used for wireless communication with the wireless LAN access point router 30 from the electronic certificate by using the public key. Is used to perform encryption.
- the encrypted SSID and WEP keys are transmitted to the Internet radio receiver 20.
- the PC 10 returns to the infrastructure mode.
- the Internet radio receiver 20 decrypts the SSID and WEP keys transmitted from the PC 10 in an encrypted state using a secret key corresponding to the public key transmitted to the PC 10.
- the decrypted WEP key and S ID are set in the wireless LAN card 76.
- the internet radio receiver 20 changes the communication mode to the infrastructure mode.
- the CPU 50 of the PC 10 and the MCU 70 of the Internet radio receiver 20 execute processing according to the flow charts shown in FIGS.
- the user reads the CD-ROM included with the Internet radio receiver 20. Then, an application program AP 1 for setting the SS ID and the WEP key in the Internet radio receiver 20 is installed in the PC 10. Next, the user double-clicks the icon for starting the application program AP1 displayed on the display 58 using the mouse 62.
- step S1 For the infrastructure mode (IS mode) currently set in the wireless LAN card 56 of the PC 10. Save the SS ID and IP address in RAM 52.
- IS mode infrastructure mode
- the user enters the SS ID and the fixed IP address for ad hoc mode (AH mode) according to the guide on the web page displayed on the display 58 of the PC 10.
- the entered SS ID and fixed IP address are the SSID and fixed IP address set as defaults on the wireless LAN card 76 of the Internet radio receiver 20, respectively, and are obtained from the instruction manual of the Internet radio receiver 20. Is done.
- the input SS ID and fixed IP address are accepted in steps S5 and S7, respectively.
- the SS ID is written as is to the EEPROM 56 e of the wireless LAN card 56.
- the fixed IP address is converted to an IP address that matches only the network section, and the converted IP address is written to the EEPROM 56e.
- the PC 10 shifts from the infrastructure mode to the ad hoc mode in step S9, and the Internet radio receiver which is the communication partner in the ad hoc mode in step S11. Send an authentication request to 20.
- the MCU 70 of the Internet radio receiver 20 receives the authentication request in step S13, and starts the application program AP2 for setup in step S15.
- step S17 the digital certificate is read from the ROM 72, and the read digital certificate is transmitted to the PC 10.
- the PC 10 receives the electronic certificate transmitted from the Internet radio receiver 20 in step S19.
- the wireless LAN card 56 Save the AH mode SSID and IP address set in step 5 in RAM 52, and save the IS mode SSID and IP address saved in RAM 52 in step S3 above to the wireless LAN card 5.
- step S25 the communication mode is changed to the infrastructure mode, and in step S27, the authentication server 40 is accessed via the wireless LAN access point router 30.
- the URL for accessing the authentication server 40 is included in the electronic certificate received from the Internet radio receiver 20.
- step S29 the public key extracted from the electronic certificate is transmitted to the authentication server 40, and a determination is made on the validity of the public key.
- step S31 of FIG. 5 the judgment result of the validity of the public key is received from the authentication server 40.
- the connection with the authentication server 40 is disconnected in step S33.
- step S35 it is determined whether the determination result of the validity of the public key is positive, that is, whether the public key is valid. If NO in step S35, error processing is performed in step S53. On the other hand, if YES in step S35, the process proceeds to step S37 and subsequent steps. By confirming the validity of the public key, the Internet radio receiver 20 is authenticated as a legitimate device.
- step S37 the SS mode SS ID and IP address set in the wireless LAN card 56 are saved in the RAM 52.
- the SSID and IP address for the AH mode saved in the RAM 52 are set in the wireless LAN card 56.
- step S41 the communication mode is changed to the ad hoc mode.
- step S43 the validity of the WEP key recorded in the EEPROM 56e of the wireless LAN card 56 and the SSID for the IS mode saved in the RAM 52 was confirmed. Encrypt using a public key.
- step S45 the encrypted WEP key and the SSID for the IS mode are transmitted to the Internet radio receiver 20.
- step S47 in which the SSID and the SSID for the IS mode saved in the RAM 52 are stored.
- step S49 the communication mode is changed to the infrastructure mode, and in step S51, the application program AP1 ends.
- the Internet radio receiver 20 receives the WEP key and the SS ID for the IS mode transmitted in an encrypted state from the PC 10 in step S55.
- the secret key is read from the ROM 72, and the received WEP key and SS ID for the IS mode are decrypted using the read secret key.
- the decrypted WEP key and S ID for the IS mode are set in the EEPROM 76 e of the wireless LAN card 76 in step S 59.
- the communication mode is changed to the infrastructure mode.
- step S63 an IP address is requested from the wireless LAN access point router 30.
- step S65 the IP address is obtained from the wireless LAN access point router 30. The obtained IP address is set in the wireless LAN card 76.
- the application program AP2 ends in step S67.
- the in-net radio receiver 20 connects to the PC 10 and the Internet 100 via the wireless LAN access point 30. can do.
- the connection information (SSID, WEP key, etc.) required for wireless connection with the wireless LAN access bottle 30 is input to the PC 10 using the keypad 60 or the mouse 62. You.
- the input connection information is set in the Internet radio receiver 20 by the PC 10. Therefore, connection information required for wireless connection can be easily set in a wireless communication terminal having no character input interface.
- the Internet radio receiver 20 is assumed as a device for setting a wireless communication connection, but a wireless communication terminal that sets connection information such as a WEP key or an SSID and performs wireless communication.
- the equipment is not limited to Internet radio receivers.
- the processing operation of the PC 10 shown in FIGS. 4 and 5 may be assigned to the wireless LAN access point router 30. While this invention has been described and illustrated in detail, it is obvious that it is used by way of example and example only and should not be construed as limiting, the spirit and scope of the invention being set forth in the appended claims. Limited only by the language of the claim.
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- Computer Security & Cryptography (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Computer Hardware Design (AREA)
- Computing Systems (AREA)
- General Engineering & Computer Science (AREA)
- Mobile Radio Communication Systems (AREA)
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Abstract
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Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US10/578,251 US20070086394A1 (en) | 2003-11-06 | 2004-10-07 | Wireless communication terminal and connection information setting method |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2003376584A JP2005142792A (ja) | 2003-11-06 | 2003-11-06 | 接続情報設定方法および無線通信端末 |
JP2003-376584 | 2003-11-06 |
Publications (1)
Publication Number | Publication Date |
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WO2005046130A1 true WO2005046130A1 (ja) | 2005-05-19 |
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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PCT/JP2004/015209 WO2005046130A1 (ja) | 2003-11-06 | 2004-10-07 | 無線通信端末および接続情報設定方法 |
Country Status (4)
Country | Link |
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US (1) | US20070086394A1 (ja) |
JP (1) | JP2005142792A (ja) |
CN (1) | CN1871819A (ja) |
WO (1) | WO2005046130A1 (ja) |
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Also Published As
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US20070086394A1 (en) | 2007-04-19 |
JP2005142792A (ja) | 2005-06-02 |
CN1871819A (zh) | 2006-11-29 |
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