WO2012070801A2 - 무선랜 환경에서의 인증 시스템 및 그 방법 - Google Patents
무선랜 환경에서의 인증 시스템 및 그 방법 Download PDFInfo
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- WO2012070801A2 WO2012070801A2 PCT/KR2011/008738 KR2011008738W WO2012070801A2 WO 2012070801 A2 WO2012070801 A2 WO 2012070801A2 KR 2011008738 W KR2011008738 W KR 2011008738W WO 2012070801 A2 WO2012070801 A2 WO 2012070801A2
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- authentication
- wireless lan
- terminal device
- information
- lan access
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W12/00—Security arrangements; Authentication; Protecting privacy or anonymity
- H04W12/06—Authentication
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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
- H04L63/08—Network architectures or network communication protocols for network security for authentication of entities
- H04L63/0876—Network architectures or network communication protocols for network security for authentication of entities based on the identity of the terminal or configuration, e.g. MAC address, hardware or software configuration or device fingerprint
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W36/00—Hand-off or reselection arrangements
- H04W36/0005—Control or signalling for completing the hand-off
- H04W36/0011—Control or signalling for completing the hand-off for data sessions of end-to-end connection
- H04W36/0033—Control or signalling for completing the hand-off for data sessions of end-to-end connection with transfer of context information
- H04W36/0038—Control or signalling for completing the hand-off for data sessions of end-to-end connection with transfer of context information of security context information
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- 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]
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W88/00—Devices specially adapted for wireless communication networks, e.g. terminals, base stations or access point devices
- H04W88/08—Access point devices
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W24/00—Supervisory, monitoring or testing arrangements
- H04W24/04—Arrangements for maintaining operational condition
Definitions
- the present invention relates to an authentication method for a terminal device in a wireless LAN environment. More specifically, when the terminal device is connected to another wireless LAN access device while receiving a wireless LAN service using WiFi, another connection target wireless LAN access
- the present invention relates to an authentication system and method for a wireless LAN environment in which a terminal device performs authentication for a terminal device through interworking with a previously connected wireless LAN access device, and a wireless LAN access device and an operation method thereof.
- the MAC (Medium Access Control) address list of the wireless access point (AP) is not transferred to the wireless LAN access device, but to the authentication server managing the entire service subscriber.
- the MAC authentication method for registering and authenticating MAC addresses transmitted when accessing a wireless terminal device's network from an authentication server is applied.
- a re-authentication procedure should be performed when roaming in consideration of an authentication environment provided with such duplicate login prevention, and there should be no disconnection of sessions when roaming to provide continuity of a communication session of a user.
- an object of the present invention is to provide a wireless LAN access device to which another terminal is connected when the mobile station is connected from another wireless LAN access device while receiving a wireless LAN service.
- the terminal apparatus authenticates the terminal apparatus through interworking with the previously connected WLAN apparatus, thereby ensuring the continuity of the WLAN service even when the authentication server fails.
- an authentication system in a wireless LAN environment includes a first wireless LAN access device for providing a wireless LAN service to a connected terminal device; A terminal device which transmits an authentication request to the second WLAN access point when the mobile LAN access device is connected to the second WLAN access point during the reception of the WLAN service through the connection of the first WLAN access point; And confirming the first WLAN access point based on the identification information included in the authentication request transmitted from the MS connected to the mobile device, and obtaining authentication information about the MS from the first WLAN access point. And a second wireless LAN access device that performs authentication on the terminal device based on the obtained authentication information.
- a wireless LAN access device for achieving the above object, the initial connection for receiving an authentication request from a mobile device connected to the terminal; And confirming another wireless LAN access device previously accessed by the terminal device based on the identification information included in the authentication request, obtaining authentication information from the checked other wireless LAN access device, and obtaining the obtained authentication information. It characterized in that it comprises an authentication processing unit for performing the authentication for the terminal on the basis.
- the initial access unit receives the authentication request including at least one of the MAC address of the terminal device and the MAC address of the other wireless LAN access device from the terminal device that is mobilely connected from the other wireless LAN access device. Characterized in that.
- the authentication processing unit based on the MAC address of the other wireless LAN access point included in the authentication request checks the IP information of the other wireless LAN access point, the terminal based on the confirmed IP information The authentication information is requested by transmitting the MAC address of the device.
- the authentication processing unit when the authentication information includes the MAC address of the terminal device, characterized in that for allowing the authentication of the terminal device.
- the authentication processing unit when the authentication information does not include the MAC address of the terminal device, characterized in that the authentication of the terminal device through the interworking with a separate authentication server.
- an authentication method in a WLAN environment includes a service providing step of providing a WLAN service to a terminal device to which a first WLAN access device is connected; An authentication request step of transmitting an authentication request to the second WLAN access point when the terminal device is connected to the second WLAN access point while receiving the WLAN service through the connection of the first WLAN access point; A target identification step of identifying, by the second WLAN access point, the first WLAN access point based on the identification information included in the authentication request transmitted from the mobile station to which the second WLAN access point is connected; An authentication information acquiring step, wherein the second WLAN access device obtains authentication information for the terminal device from the identified first WLAN access device; And an authentication performing step of authenticating, by the second wireless LAN access device, the terminal device based on the obtained authentication information.
- a method of operating a wireless LAN access device includes: an authentication request reception step of receiving an authentication request from a mobile device connected to a mobile station; An authentication information acquisition step of identifying another wireless LAN access device previously accessed by the terminal device based on the identification information included in the authentication request, and obtaining authentication information from the checked other wireless LAN access device; And an authentication processing step of performing authentication on the terminal device based on the obtained authentication information.
- the authentication request receiving step the authentication request comprising at least one of the MAC address of the terminal device and the MAC address of the other wireless LAN access device from the mobile station connected from the other wireless LAN access device. Characterized in that it receives.
- the authentication information obtaining step the access information checking step of confirming the IP information of the other wireless LAN access point based on the MAC address of the other wireless LAN access point included in the authentication request; And an authentication information request step of transmitting the MAC address of the terminal device based on the identified IP information to request the authentication information.
- the authentication processing step when the authentication information includes the MAC address of the terminal device, characterized in that the authentication of the terminal device is allowed.
- the terminal device is authenticated through interworking with a separate authentication server.
- the terminal device when a mobile station is connected to another wireless LAN access device while receiving a wireless LAN service, the terminal device is transferred from another wireless LAN access device.
- the continuity of the wireless LAN service can be guaranteed even when the authentication server fails.
- FIG. 1 is a schematic configuration diagram of an authentication system in a wireless LAN environment according to an embodiment of the present invention.
- FIG. 2 is a schematic configuration diagram of a wireless LAN access device according to an embodiment of the present invention.
- FIG. 3 is a schematic flowchart illustrating a method of operating an authentication system in a WLAN environment according to an embodiment of the present invention.
- FIG. 4 is a schematic flowchart illustrating a method of operating a wireless LAN access device according to an embodiment of the present invention.
- FIG. 1 is a schematic configuration diagram of an authentication system in a wireless LAN environment according to an embodiment of the present invention.
- the system includes a terminal device 100 for mobile access to a wireless LAN access device and a wireless LAN access device for processing an authentication request received from the terminal device 100. 200) and the authentication server 300 for performing authentication process for the terminal device 100 in conjunction with the wireless LAN access point 200.
- the wireless LAN access point 200 refers to an access point (AP) for relaying wireless LAN services provided to the terminal device 100 in a wireless LAN environment, for example, a WiFi environment.
- AP access point
- the terminal device 100 transmits an authentication request to the wireless access point 200 connected to the mobile station.
- the wireless access point 200 connected to the mobile
- the authentication request including the MAC address of the terminal device 100 and the MAC address of the wireless LAN access device ⁇ Old> previously connected to the terminal device 100 is transmitted.
- the WLAN access device 200 obtains authentication information based on an authentication request from the terminal device 200.
- the wireless LAN access point 200 is transferred to the terminal 100 based on the MAC address of the wireless access point ⁇ Old> included in the authentication request received from the mobile access terminal 200.
- the WLAN access point 200 requests authentication information by accessing the WLAN access point ⁇ Old> based on the confirmed IP information and transferring the MAC address of the terminal device 100. Further, the WLAN access point 200 obtains authentication information of the terminal device 100 mapped to the MAC address through an authentication information response transmitted from the WLAN access point ⁇ Old> that receives the authentication request.
- the wireless LAN access point 200 performs authentication for the terminal device 100 based on the obtained authentication information.
- the wireless LAN access device 200 when the wireless LAN access device 200 includes the MAC address of the terminal device 100 in the authentication information response received from the wireless LAN access device ⁇ Old>, the wireless LAN access device 200 allows the authentication of the terminal device 100. As a result, the authentication response thereto, that is, the MAC address of the terminal device 100 and the MAC address of the wireless LAN access device 200 are transmitted to the terminal device 100. On the other hand, if the wireless LAN access device 200 does not include the MAC address of the terminal device 100 in the authentication information response, it performs a normal authentication process in conjunction with the authentication server 300, that is, the authentication response, that is, The MAC address of the terminal device 100 and the MAC address of the wireless LAN access device 200 are transmitted to the terminal device 100.
- the wireless LAN access point 200 has a configuration including an initial access unit 210 for receiving an authentication request from the terminal device 100 and an authentication processing unit 220 for performing an authentication process for the authentication request.
- the initial access unit 210 receives an authentication request from the terminal device 100 that is mobilely connected.
- the initial access unit 210 is a MAC address of the terminal device 100 from the terminal device 100 that is mobile connected during the reception of the WLAN service and the wireless LAN access device ⁇ Old> previously connected to the terminal device 100. Receives an authentication request including the MAC address of the, and transmits the received authentication request to the authentication processing unit 220.
- the authentication processor 220 obtains authentication information based on the authentication request from the terminal device 200.
- the authentication processing unit 220 is based on the MAC address of the wireless LAN access device ⁇ Old> included in the transmitted authentication request for the wireless LAN access device ⁇ Old> previously connected to the terminal device 100. Check the IP information. In addition, the authentication processing unit 220 accesses the wireless LAN access device ⁇ Old> based on the confirmed IP information to request the authentication information by transferring the MAC address of the terminal device 100. Furthermore, the authentication processing unit 220 obtains authentication information of the terminal device 100 mapped to the MAC address through the authentication information response transmitted from the WLAN access device ⁇ Old> that receives the authentication request.
- the authentication processing unit 220 performs authentication on the terminal device 100 based on the obtained authentication information.
- the wireless LAN access device 200 is the terminal device 100.
- the wireless LAN access device 200 Based on the authentication request received from the terminal device 100 checks the previously connected wireless LAN access device ⁇ Old>, based on the authentication information of the terminal device 100 previously stored in the confirmed wireless LAN access device ⁇ Old>.
- FIGS. 3 and 4 an authentication method in a WLAN environment according to an embodiment of the present invention will be described with reference to FIGS. 3 and 4.
- the configuration shown in FIGS. 1 to 3 will be described with reference to the corresponding reference numerals.
- the terminal device 100 accesses the wireless LAN access device while receiving the wireless LAN service, the terminal device 100 transmits an authentication request to the wireless access point 200 connected to the mobile station (S110).
- the wireless access point 200 connected to the mobile station 200 is connected.
- the authentication request including the MAC address of the terminal device 100 and the MAC address of the wireless LAN access device ⁇ Old> previously connected to the terminal device 100 is transmitted.
- the WLAN access point 200 confirms the authentication information (S120).
- the wireless LAN access point 200 is transferred to the terminal 100 based on the MAC address of the wireless access point ⁇ Old> included in the authentication request received from the mobile access terminal 200 (200). Check the IP information of the connected wireless LAN access point ⁇ Old>.
- the WLAN access point 200 requests the authentication information (S130).
- the WLAN access point 200 requests authentication information by accessing the WLAN access point ⁇ Old> based on the identified IP information and transferring the MAC address of the terminal device 100.
- the wireless LAN access point 200 obtains the authentication information (S140).
- the wireless LAN access device 200 to obtain the authentication information of the terminal device 100 mapped to the MAC address through the authentication information response transmitted from the wireless LAN access device ⁇ Old> receiving the authentication request. do.
- the wireless LAN access point 200 performs self authentication for the terminal device 100 (S150-S170).
- the WLAN access point 200 confirms that the MAC address of the terminal device 100 is included in the authentication information response received from the WLAN access device ⁇ Old>, and the terminal device 100 confirms that the MAC address is included.
- the MAC address is included, by allowing the authentication of the terminal device 100, the authentication response thereto, that is, the MAC address of the terminal device 100 and the MAC address of the wireless LAN access device 200 terminal device 100 To be sent).
- the wireless LAN access point 200 may perform authentication on the terminal device 100 through interworking with the authentication server 300 (S150, S180-S190).
- the WLAN access point 200 confirms that the MAC address of the terminal device 100 is included in the authentication information response received from the WLAN access device ⁇ Old>, and the terminal device 100 confirms that the MAC address is included. If the MAC address is not included, it performs the normal authentication process in conjunction with the authentication server 300 and the authentication response, that is, the MAC address of the terminal device 100 and the MAC address of the wireless LAN access device 200 Transmission to the terminal device 100.
- an authentication request is received from the mobile terminal 100 connected (S210-S220).
- the initial access unit 210 is a MAC address of the terminal device 100 and the wireless LAN access device ⁇ Old> previously connected to the terminal device 100 from the mobile terminal 100 that is mobilely connected during the reception of the WLAN service.
- the authentication processing unit 220 is previously connected to the terminal device 100 based on the MAC address of the wireless LAN access device ⁇ Old> included in the authentication request received from the mobile access terminal device 200. Check the IP information about the wireless LAN access device ⁇ Old>.
- the authentication processor 220 requests the authentication information by connecting to the wireless LAN access device ⁇ Old> based on the confirmed IP information and delivering the MAC address of the terminal device 100.
- the authentication processing unit 220 obtains the authentication information of the terminal device 100 mapped to the MAC address through the authentication information response transmitted from the WLAN access device ⁇ Old> that receives the authentication request.
- the terminal device 100 performs self authentication (S260-S280).
- the authentication processing unit 220 confirms that the MAC address of the terminal device 100 is included in the authentication information response received from the wireless LAN access device ⁇ Old>, and the MAC of the terminal device 100 is confirmed as a result.
- the terminal device 100 allows authentication to the terminal device 100, thereby providing an authentication response, that is, the MAC address of the terminal device 100 and the MAC address of the wireless LAN access device 200 to the terminal device 100. send.
- authentication with respect to the terminal device 100 may be performed through interworking with the authentication server 300 (S260, S290-S300).
- the authentication processing unit 220 confirms that the MAC address of the terminal device 100 is included in the authentication information response received from the wireless LAN access device ⁇ Old>, and the MAC of the terminal device 100 is confirmed as a result. If the address is not included, the terminal performs the normal authentication process in association with the authentication server 300 and the authentication response thereto, that is, the MAC address of the terminal device 100 and the MAC address of the wireless LAN access device 200. To 100.
- the wireless LAN access device 200 is the terminal device 100.
- the wireless LAN access device 200 Based on the authentication request received from the terminal device 100 checks the previously connected wireless LAN access device ⁇ Old>, based on the authentication information of the terminal device 100 previously stored in the confirmed wireless LAN access device ⁇ Old>.
- the steps of the method or algorithm described in connection with the embodiments presented herein may be implemented directly in hardware, in a software module executed by a processor, or by a combination thereof.
- the software module may reside in RAM memory, flash memory, ROM memory, EPROM memory, EEPROM memory, registers, hard disk, removable disk, CD-ROM, or any other form of storage medium known in the art.
- An exemplary storage medium is coupled with the processor, such that the processor can read information from and write information to the storage medium.
- the storage medium may be integral to the processor.
- the processor and the storage medium may be included in an ASIC.
- the ASIC may be included in the terminal device.
- the processor and the storage medium may reside as discrete components in a terminal device.
- the authentication of the terminal device previously stored in the previously connected wireless LAN access device without interworking with the authentication server according to the authentication request received from the terminal device
- the certification of terminal equipment is performed based on information, the limitation of the existing technology is exceeded, so that not only the use of the related technology but also the possibility of marketing or sales of the applied device is not only sufficient but also realistically performed. Therefore, the invention has industrial applicability.
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Abstract
Description
Claims (12)
- 접속된 단말장치를 대상으로 무선랜 서비스를 제공하는 제 1 무선랜접속장치;상기 제 1 무선랜접속장치의 접속을 통한 무선랜 서비스 수신 중, 제 2 무선랜접속장치로 이동 접속하는 경우, 상기 제 2 무선랜접속장치에 인증요청을 전달하는 단말장치; 및이동 접속된 상기 단말장치로부터 전달되는 상기 인증요청에 포함된 식별정보를 기반으로 상기 제 1 무선랜접속장치를 확인하고, 상기 확인된 제 1 무선랜접속장치로부터 상기 단말장치에 대한 인증정보를 획득하며, 상기 획득된 인증정보를 기반으로 상기 단말장치에 대한 인증을 수행하는 제 2 무선랜접속장치를 포함하는 것을 특징으로 하는 무선랜 환경에서의 인증 시스템.
- 이동 접속된 단말장치로부터 인증요청을 수신하는 초기접속부; 및상기 인증요청에 포함된 식별정보를 기반으로 상기 단말장치가 이전에 접속한 타 무선랜접속장치를 확인하고, 상기 확인된 타 무선랜접속장치로부터 인증정보를 획득하며, 상기 획득된 인증정보를 기반으로 상기 단말장치에 대한 인증을 수행하는 인증처리부를 포함하는 것을 특징으로 하는 무선랜접속장치.
- 제 2 항에 있어서,상기 초기접속부는,상기 타 무선랜접속장치로부터 이동 접속된 상기 단말장치로부터 상기 단말장치의 MAC 주소 및 상기 타 무선랜접속장치의 MAC 주소 중 적어도 하나를 포함하는 상기 인증요청을 수신하는 것을 특징으로 하는 무선랜접속장치.
- 제 3 항에 있어서,상기 인증처리부는,상기 인증요청에 포함된 상기 타 무선랜접속장치의 MAC 주소를 기반으로 상기 타 무선랜접속장치의 IP 정보를 확인하고, 상기 확인된 IP 정보를 기반으로 상기 단말장치의 MAC 주소를 전달하여 상기 인증정보를 요청하는 것을 특징으로 하는 무선랜접속장치.
- 제 3 항에 있어서,상기 인증처리부는,상기 인증정보에 상기 단말장치의 MAC 주소가 포함될 경우, 상기 단말장치에 대한 인증을 허용하는 것을 특징으로 하는 무선랜접속장치.
- 제 3 항에 있어서,상기 인증처리부는,상기 인증정보에 상기 단말장치의 MAC 주소가 포함되지 않을 경우, 별도의 인증서버와의 연동을 통해 상기 단말장치에 대한 인증을 수행하는 것을 특징으로 하는 무선랜접속장치.
- 제 1 무선랜접속장치가 접속된 단말장치를 대상으로 무선랜 서비스를 제공하는 서비스제공단계;상기 단말장치가 상기 제 1 무선랜접속장치의 접속을 통한 무선랜 서비스 수신 중, 제 2 무선랜접속장치로 이동 접속하는 경우, 상기 제 2 무선랜접속장치에 인증요청을 전달하는 인증요청단계;상기 제 2 무선랜접속장치가 이동 접속된 상기 단말장치로부터 전달되는 상기 인증요청에 포함된 식별정보를 기반으로 상기 제 1 무선랜접속장치를 확인하는 대상확인단계;상기 제 2 무선랜접속장치가 상기 확인된 제 1 무선랜접속장치로부터 상기 단말장치에 대한 인증정보를 획득하는 인증정보획득단계; 및상기 제 2 무선랜접속장치가 상기 획득된 인증정보를 기반으로 상기 단말장치에 대한 인증을 수행하는 인증수행단계를 포함하는 것을 특징으로 하는 무선랜 환경에서의 인증 방법.
- 이동 접속된 단말장치로부터 인증요청을 수신하는 인증요청수신단계;상기 인증요청에 포함된 식별정보를 기반으로 상기 단말장치가 이전에 접속한 타 무선랜접속장치를 확인하고, 상기 확인된 타 무선랜접속장치로부터 인증정보를 획득하는 인증정보획득단계; 및상기 획득된 인증정보를 기반으로 상기 단말장치에 대한 인증을 수행하는 인증처리단계를 포함하는 것을 특징으로 하는 무선랜접속장치의 동작 방법.
- 제 8 항에 있어서,상기 인증요청수신단계는,상기 타 무선랜접속장치로부터 이동 접속된 상기 단말장치로부터 상기 단말장치의 MAC 주소 및 상기 타 무선랜접속장치의 MAC 주소 중 적어도 하나를 포함하는 상기 인증요청을 수신하는 것을 특징으로 하는 무선랜접속장치의 동작 방법.
- 제 9 항에 있어서,상기 인증정보획득단계는,상기 인증요청에 포함된 상기 타 무선랜접속장치의 MAC 주소를 기반으로 상기 타 무선랜접속장치의 IP 정보를 확인하는 접속정보확인단계; 및상기 확인된 IP 정보를 기반으로 상기 단말장치의 MAC 주소를 전달하여 상기 인증정보를 요청하는 인증정보요청단계를 포함하는 것을 특징으로 하는 무선랜접속장치의 동작 방법.
- 제 9 항에 있어서,상기 인증처리단계는,상기 인증정보에 상기 단말장치의 MAC 주소가 포함될 경우, 상기 단말장치에 대한 인증을 허용하는 것을 특징으로 하는 무선랜접속장치의 동작 방법.
- 제 9 항에 있어서,상기 인증처리단계는,상기 인증정보에 상기 단말장치의 MAC 주소가 포함되지 않을 경우, 별도의 인증서버와의 연동을 통해 상기 단말장치에 대한 인증을 수행하는 것을 특징으로 하는 무선랜접속장치의 동작 방법.
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