CN101730104A - Method and device for authenticating access of user equipment and wireless local area network access network (WLAN AN) - Google Patents
Method and device for authenticating access of user equipment and wireless local area network access network (WLAN AN) Download PDFInfo
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- CN101730104A CN101730104A CN200910150255A CN200910150255A CN101730104A CN 101730104 A CN101730104 A CN 101730104A CN 200910150255 A CN200910150255 A CN 200910150255A CN 200910150255 A CN200910150255 A CN 200910150255A CN 101730104 A CN101730104 A CN 101730104A
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Abstract
The invention discloses a method and a device for authenticating the access of user equipment and a wireless local area network access network (WLAN AN). The method comprises the following steps: the user equipment receives the information from the WLAN AN, wherein the information carries the information on the type of the current WLAN AN, and the user equipment selects the network to be accessed according to the information and sends the identity information which corresponds to the network to the WLAN AN so as to authenticate the access. Due to the adoption of the technical scheme, the invention can prevent the user from being accessed to the wireless core network through the WLAN AN, avoid the unnecessary attempt of sending the identity information, reduce the resource consumption resulted form the unnecessary attempt and improve the user experience.
Description
Technical field
The present invention relates to communication technical field, relate in particular to a kind of user equipment access method and device and wlan access network in the communications field.
Background technology
In some cases, subscriber equipment need pass through wlan access network (Wireless Local Area Network Access Network, abbreviate WLAN AN as) be linked into following wireless core network: for example, the packet-based core networks of evolution, mutual WLAN, micro-wave access global inter communication network, CDMA access metwork network.
Fig. 1 is the mutual WLAN of non-3GPP network insertion (InterworkingWireless Local Area Network, abbreviate I-WLAN as) network architecture diagram, wherein, IWLAN is meant a wlan network with third generation partner program (3rd GenerationPartnership Project abbreviates 3GPP as) network interaction.Mutual purpose be make the WLAN access technology can with the cooperation of GPRS core-network infrastructure so that the subscriber equipment of WLAN can insert the GPRS packet service by the WLAN access network.As shown in Figure 1, comprising: the IP operation that I-WLAN core net, subscriber equipment (User Equipment abbreviates UE as), WLAN AN and operator provide.Wherein, the I-WLAN core net further comprises packet data gateway (Packet Data Gateway, abbreviate PDG as), authentication and accounting server (3GPP AAA Server) and home signature user server (Home Subscriber Server, be called for short HSS), wherein, the HSS vector that is used for storaging user data and generates authentication usefulness in the access authentication of user process.
Fig. 2 is packet-based core networks (the Evolved PacketCore network of non-3GPP network insertion evolution, abbreviate EPC as) Organization Chart of network, as shown in Figure 2, EPC comprises: the packet data gateway of evolution (Evolved Packet Data Gateway, abbreviate ePDG as), data network gateway (Packet Data Network Gate Way, abbreviate P-GW as), 3GPP AAA Server, HSS, wherein, in this framework, the vector that HSS also is used for storaging user data and generates authentication usefulness in the access authentication of user process.
Wherein, EPC can with non-3GPP network interworking, P-GW is the borde gateway of EPC and PDN network, is responsible for the access of PDN, transmits function such as data between EPC and PDN.When operator thought that wlan network is trusted, WLAN AN can directly link to each other with P-GW; When operator thought that WLAN AN is trustless, WLAN AN need link to each other with ePDG (packet data gateway of evolution, Evolved Packet Data Gateway), therefore, can guarantee safety of data transmission and confidentiality between UE and the ePDG.
Fig. 3 is the signaling process figure of UE access IWLAN or EPC, and the flow process that inserts above-mentioned two core net is similar, mainly comprises following processing (step S301-step S311):
Step S301: subscriber equipment is attached to WLAN AN, sets up wireless connections;
Step S303:WLAN AN sends extensible authentication protocol (Extensible Authentication Protocol abbreviates EAP as) request to subscriber equipment, wherein, carries identity information;
Step S305: subscriber equipment returns EAP to WLAN AN and replys;
Step S307:WLAN AN sends authentication request to 3GPP AAA Server;
Step S309: obtain Ciphering Key and user contracting data;
Step S311: finish this access authentication flow process.
But, when UE inserts the different radio core net, there is following difference:
(1) when inserting different core net, the identity information that UE uses in step S303 is different; For example, when UE inserts EPC, the form of the identity (EPCNAI) of the EPC that uses can be: 0＜IMSI〉@nai.epc.mnc＜MNC〉.mcc＜MCC〉.3gppnetwork.org "; when UE inserted IWLAN, the IWLAN NAI of use can be: 0＜IMSI〉@wlan.mnc＜MNC〉.mcc＜MCC〉.3gppnetwork.org.
(2) in step S305, when inserting different core net, the Ciphering Key that HSS generates is different; For example, when UE need insert IWLAN, the five-tuple vector that uses among the IWLAN, and when UE need insert EPC, what use in the EPC authentication was the tlv triple vector.
At present, in other normal structures at other wireless core network of research, for example, micro-wave access global inter communication (Worldwide Interoperability for Microwave Access, abbreviate WIMAX as) and code division multiple access (Code Division Multiple Access, abbreviate CDMA as), above-mentioned core net also allows the access of wlan network.Its access process also is the form that adopts similar Fig. 3.
In correlation technique, WLAN AN can insert IWLAN simultaneously, EPC, WIMAX and CDMA, but, UE is unclear currently can to insert for which wireless core network, therefore can't adopt corresponding authenticating step, specifically at WLAN AN after UE sends the EAP request message, the identity that UE sends to WLAN AN may not be a current WLAN AN wireless core network that connect or that can insert, for example, what send as UE is when needing to insert the identity of IWLAN, is the EPC network and in fact WLAN AN connects, thereby access authentication failure, authentication up to UE transmission EPC network just can be connected to the EPC network, therefore may cause repeatedly authentification failure.Above-mentioned failure has increased the load of UE and network, has consumed resource, influences user experience.
Summary of the invention
Do not know the wireless core network current connection of WLAN AN or that can insert at user in the correlation technique, thereby may repeatedly send identity authenticates, it is bigger to cause subscriber equipment and network load, the problem that resource consumption is more, user experience is lower and propose the present invention, for this reason, main purpose of the present invention is to provide a kind of improved subscriber equipment access authentication method and device, one of to address the above problem at least.
According to an aspect of the present invention, provide a kind of subscriber equipment access authentication method.
Subscriber equipment access authentication method according to the present invention comprises: subscriber equipment receives the message from wlan access network, and wherein, message carries the information of the current network type that inserts of wlan access network; Subscriber equipment is according to the network of its access of Information Selection, and will be sent to wlan access network to carry out access authentication with this network corresponding identity information.
According to a further aspect in the invention, provide a kind of subscriber equipment access authentication device.
Subscriber equipment access authentication device according to the present invention comprises: receiving element, selected cell and transmitting element, wherein, receiving element is used to receive the message from wlan access network, wherein, message carries the information of the current network that inserts of wlan access network; Selected cell, the network that the Information Selection subscriber equipment needs that are used for receiving according to receiving element insert; Transmitting element, the network corresponding identity information that is used for selecting with selected cell is sent to wlan access network to carry out access authentication.
According to another aspect of the invention, provide a kind of wlan access network.
Wlan access network according to the present invention comprises: transmitting element, receiving element, and wherein, transmitting element is used for sending message to subscriber equipment, and wherein, this message carries the information of the current network type that inserts of wlan access network; Receiving element is used to receive identity information from subscriber equipment to carry out access authentication, and wherein, identity information is corresponding according to the network of its access of Information Selection with subscriber equipment.
By the present invention, a kind of subscriber equipment access authentication scheme is provided, the message that wlan access network will carry the information of the current network that inserts of wlan access network is sent to subscriber equipment, subscriber equipment is according to the network of its access of Information Selection of network, and will be sent to wlan access network to carry out access authentication with this network corresponding identity information.Can avoid the user to pass through WLAN AN and insert in the wireless core network process, send the unnecessary trial of identity information, and then can reduce the resource consumption that above-mentioned trial brings, improve user experience.
Other features and advantages of the present invention will be set forth in the following description, and, partly from specification, become apparent, perhaps understand by implementing the present invention.Purpose of the present invention and other advantages can realize and obtain by specifically noted structure in the specification of being write, claims and accompanying drawing.
Description of drawings
Accompanying drawing is used to provide further understanding of the present invention, and constitutes the part of specification, is used from explanation the present invention with embodiments of the invention one, is not construed as limiting the invention.In the accompanying drawings:
Fig. 1 is the network architecture diagram of the mutual WLAN of non-3GPP network insertion;
Fig. 2 is the Organization Chart of the packet-based core networks of non-3GPP network insertion evolution;
Fig. 3 inserts the signaling process figure of IWLAN or EPC for UE;
Fig. 4 is the flow chart according to the subscriber equipment access authentication method of the embodiment of the invention;
Fig. 5 is the flow chart of the example one according to the present invention;
Fig. 6 is the flow chart of the example two according to the present invention;
Fig. 7 is the flow chart of the example three according to the present invention;
Fig. 8 is the flow chart of the example four according to the present invention;
Fig. 9 is the structured flowchart according to the subscriber equipment access authentication device of the embodiment of the invention;
Figure 10 is the structured flowchart according to the wlan access network of the embodiment of the invention;
Figure 11 is the structured flowchart of wlan access network according to the preferred embodiment of the invention.
Embodiment
Functional overview
The embodiment of the invention provides a kind of improved subscriber equipment access authentication scheme, and subscriber equipment receives the message from wlan access network, and wherein, message carries the information of the current network that inserts of wlan access network; Subscriber equipment is according to the network of its access of Information Selection, and will be sent to wlan access network to carry out access authentication with this network corresponding identity information.
Under the situation of not conflicting, embodiment and the feature among the embodiment among the application can make up mutually.
Below in conjunction with accompanying drawing the preferred embodiments of the present invention are described, should be appreciated that preferred embodiment described herein only is used for description and interpretation the present invention, and be not used in qualification the present invention.
Method embodiment
According to the embodiment of the invention, at first provide a kind of subscriber equipment access authentication method.
Fig. 4 is the flow chart according to the subscriber equipment access authentication method of the embodiment of the invention.As shown in Figure 4, the subscriber equipment access authentication method according to the embodiment of the invention comprises following processing (step S401-step S403):
Step S401: subscriber equipment receives the message from wlan access network, and wherein, message carries the information of the current network that inserts of wlan access network;
Preferably, the information of above-mentioned network is the current core net that inserts of current wireless local area network (LAN) access network, for example, and the packet-based core networks of evolution, mutual WLAN, micro-wave access global inter communication network, CDMA access metwork network.Wherein, can be for above one or more.Under the situation of not conflicting, above-mentioned core net is not limited to the above network of enumerating, and can also be other networks.
Preferably, above-mentioned message comprise following one of at least: the broadcast of wlan access network; The extensible authentication protocol request message; Wlan access network feeds back to the connection of subscriber equipment and sets up message.
Preferably, corresponding to above-mentioned message, subscriber equipment can obtain the information of the current network that inserts of wlan access network by following any one or more mode:
First kind, the message of subscriber equipment monitoring current wireless local area network (LAN) access network broadcasting is obtained the information of above-mentioned network;
Second kind, wlan access network is set up the information of carrying above-mentioned network in the message in the connection of returning to subscriber equipment, and subscriber equipment receives this connection when setting up message, obtains the information of above-mentioned network;
The third, subscriber equipment obtains the information of above-mentioned network from the EAP request message that the WLAN (wireless local area network) Access Network returns.
Step S403: subscriber equipment is according to the network of its access of Information Selection, and will be sent to wlan access network to carry out access authentication with this network corresponding identity information.
Preferably, subscriber equipment is according to himself access capability or access demand, the core net of in the network that wlan access network returns, selecting needs to insert, send and this network corresponding identity information, for example, it is as follows that wlan access network returns its network that can insert: IWLAN, EPC when subscriber equipment is selected to insert EPC, send the identity corresponding with EPC.For example, the form of the EPC identity (NAI) of use can be: 0＜IMSI〉@nai.epc.mnc＜MNC〉.mcc＜MCC〉.3gppnetwork.org.
Preferably, subscriber equipment is according to himself access capability or access demand, can also select a plurality of core net that need access, then need this information notice wlan access network, can reply the information that message is carried other the one or more networks the network that removes the subscriber equipment selection that subscriber equipment need insert by EAP.After wlan access network is linked into this information, continue to send the EAP request, after subscriber equipment receives this request, continue second, the 3rd of transmission or the like identity information to subscriber equipment.For example, it is as follows that wlan access network returns its network that can insert: IWLAN, EPC, when subscriber equipment is selected to insert EPC and IWLAN, at first reply message by EAP and send the identity corresponding with EPC.For example, the form of the EPC NAI of use can be: 0＜IMSI〉@nai.epc.mnc＜MNC〉.mcc＜MCC〉.3gppnetwork.org.And the information of in this EAP answer message, carrying the IWLAN except that EPC.After wlan access network is linked into this information, continuation sends the EAP request to subscriber equipment, subscriber equipment returns the corresponding identity information with IWLAN, for example, the form of the IWLAN identity of use can be: 0＜IMSI〉@wlan.mnc＜MNC〉.mcc＜MCC〉.3gppnetwork.org.
Pass through the foregoing description, a kind of subscriber equipment access authentication method is provided, can have avoided the user to pass through WLAN AN and insert in the wireless core network process, sent the unnecessary trial of identity information, and then can reduce the resource consumption that above-mentioned trial brings, improve user experience.
Example one
Fig. 5 is the flow chart of the example one according to the present invention.As shown in Figure 5, this example one comprises following processing (step S501-step S507):
Step S501:UE is attached to WLAN AN network, sets up wireless connections with WLAN AN;
Step S503:WLAN AN initiates EAP request/identity (EAPRequest/Identity) to UE, and request UE provides identity to network, is used for access authentication; Wherein, the wireless core network type of current all connections of WLANAN is carried in this request;
For example, the wireless core network type can be for one of following:
EPC, IWLAN, WIMAX, CDMA one of them; Any two combination in four, for example, EPC and IWLAN; Wantonly three combination in four, for example, EPC, IWLAN and WIMAX; Above-mentioned four combination.
After step S505:UE receives EAP request/identity, according to the wireless core network type of wherein carrying, and the access capability of self, select to insert one of them wireless core network, and corresponding identity is issued WLAN AN in EAP answer message;
Step S507: the identity that network based UE sends, cooperate to finish follow-up corresponding wireless core network access authentication with UE.
Example two
Fig. 6 is the flow chart of the example two according to the present invention.As shown in Figure 5, this example two comprises following processing (step S601-step S607):
Step S601:WLAN AN sets up the wireless connections with UE, and sets up in the process in this connection, and the wireless core network information that it connected is sent to UE;
Step S603:WLAN AN initiates EAP request/identity (EAPRequest/Identity) to UE, and request UE provides identity to network, is used for access authentication;
After step S605:UE receives EAP request/identity, according to the wireless core network type of wherein carrying, and the access capability of self, select to insert one of them wireless core network, and corresponding identity is issued WLANAN in EAP answer message;
Step S607: the identity that network based UE sends, cooperate to finish follow-up corresponding wireless core network access authentication with UE.
Example three
Fig. 7 is the flow chart of the example three according to the present invention.As shown in Figure 7, this example three comprises following processing (step S701-step S709):
The message that step S701:WLAN AN will carry the wireless core network type of its current all connections sends by the form of broadcasting, and UE listens to this message;
Step S703:UE is attached to WLAN AN network, sets up wireless connections with WLAN AN;
Step S705:WLAN AN initiates EAP request/identity (EAPRequest/Identity) to UE, and request UE provides identity to network, is used for access authentication;
After step S707:UE receives EAP request/identity, according to the wireless core network type of wherein carrying, and the access capability of self, select to insert one of them wireless core network, and corresponding identity is issued WLAN AN in EAP answer message;
Step S709: the identity that network based UE sends, cooperate to finish follow-up corresponding wireless core network access authentication with UE.
Example four
Fig. 8 is the flow chart of the example four according to the present invention.As shown in Figure 8, this example four comprises following processing (step S801-step S811):
Step S801:UE is attached to WLAN AN network, sets up wireless connections with WLAN AN;
Step S803:WLAN AN initiates EAP request/identity (EAPRequest/Identity) to UE, and request UE provides identity to network, is used for access authentication; Wherein, the wireless core network type EPC and the WLAN of current all connections of WLAN AN carried in this request;
After step S805:UE receives EAP request/identity, according to the wireless core network type of wherein carrying, and the access capability of self, select to insert above-mentioned two wireless core networks, and the corresponding identity of EPC issued WLAN AN in EAP replys message, and reply in message at this EAP and to carry the information that it need insert EPC and IWLAN;
Step S807:WLAN AN continues to send the EAP request after receiving above-mentioned message;
Step S809:UE replys the corresponding identity of IWLAN in the message at EAP and sends to WLAN AN;
Step S811: the identity that network based UE sends, cooperate to finish follow-up corresponding wireless core network access authentication with UE.
The realization of this scheme is not limited to above-mentioned example, and under the situation of not conflicting, the technical characterictic in the above-mentioned example can make up mutually.
By the foregoing description, wlan access network with the information of its current network type that inserts, sends to user terminal in a different manner, can reduce the unnecessary trial that the user sends identity information, thereby reduces resource consumption, improves user experience.
Device embodiment
According to the embodiment of the invention, also provide a kind of subscriber equipment access authentication device.
Fig. 9 is the structured flowchart according to the subscriber equipment access authentication device of the embodiment of the invention.As shown in Figure 9, the subscriber equipment access authentication device according to the embodiment of the invention comprises: receiving element 1, selected cell 2 and transmitting element 3.
Wherein, receiving element 1 is used to receive the message from wlan access network, and wherein, message carries the information of the current network that inserts of wlan access network;
Selected cell 2 is connected to receiving element 1, the network that the Information Selection subscriber equipment needs that are used for receiving according to receiving element insert;
Transmitting element 3 is connected to selected cell 2, and the network corresponding identity information that is used for selecting with selected cell is sent to wlan access network to carry out access authentication.Wherein, transmitting element 3 is replied message by EAP and is sent identity information to wlan access network.
Pass through the foregoing description, a kind of subscriber equipment access authentication device is provided, in conjunction with above-mentioned receiving element 1, selected cell 2 and transmitting element 3, inserting in the wireless core network process by WLAN AN, can reduce the unnecessary trial that the user sends identity information, thereby reduced resource consumption, improved user experience.
Wlan access network embodiment
According to the embodiment of the invention, also provide a kind of wlan access network.
Figure 10 is the structured flowchart according to the wlan access network of the embodiment of the invention.Figure 11 is the structured flowchart of wlan access network according to the preferred embodiment of the invention.As shown in figure 10, the wlan access network according to the embodiment of the invention comprises: transmitting element 4, receiving element 5.Be described below in conjunction with Figure 11.
Wherein, transmitting element 4 is used for sending message to subscriber equipment, and wherein, message carries the information of the current network type that inserts of wlan access network;
Receiving element 5 is used to receive identity information from subscriber equipment to carry out access authentication, and wherein, identity information is corresponding according to the network of its access of Information Selection with subscriber equipment.
Preferably, as shown in figure 11, receiving element 5 may further include: receiver module 50 and acquisition module 52, wherein, and receiver module 50, the extensible authentication protocol that is used to receive from subscriber equipment is replied message; Acquisition module 52 is used for replying message from extensible authentication protocol and obtains identity information.
Pass through the foregoing description, a kind of wlan access network is provided, in conjunction with above-mentioned transmitting element 1 and receiving element 2, make when subscriber equipment utilizes this WLAN AN to insert wireless core network, can reduce the unnecessary trial that the user sends identity information, thereby reduced resource consumption, improved user experience.
As mentioned above, the technical scheme that provides by the embodiment of the invention, wlan access network is in many ways with the information of its current network type that inserts, send to user terminal, can reduce the unnecessary trial that the user sends identity information, thereby the minimizing resource consumption improves user experience.
Obviously, those skilled in the art should be understood that, above-mentioned each module of the present invention or each step can realize with the general calculation device, they can concentrate on the single calculation element, perhaps be distributed on the network that a plurality of calculation element forms, alternatively, they can be realized with the executable program code of calculation element, thereby, they can be stored in the storage device and carry out by calculation element, perhaps they are made into each integrated circuit modules respectively, perhaps a plurality of modules in them or step are made into the single integrated circuit module and realize.Like this, the present invention is not restricted to any specific hardware and software combination.
The above is the preferred embodiments of the present invention only, is not limited to the present invention, and for a person skilled in the art, the present invention can have various changes and variation.Within the spirit and principles in the present invention all, any modification of being done, be equal to replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (9)
1. a subscriber equipment access authentication method is characterized in that, comprising:
Described subscriber equipment receives the message from wlan access network, and wherein, described message carries the information of the current network type that inserts of described wlan access network;
Described subscriber equipment is according to the network of described its access of Information Selection, and will be sent to described wlan access network to carry out access authentication with this network corresponding identity information.
2. method according to claim 1 is characterized in that, described message comprise following one of at least:
The broadcast of described wlan access network;
The extensible authentication protocol request message;
Described wlan access network feeds back to the connection of described subscriber equipment and sets up message.
3. method according to claim 1 is characterized in that, the current described network that inserts of described wlan access network comprise following one of at least:
The packet-based core networks of evolution, mutual WLAN, micro-wave access global inter communication network, CDMA access metwork network.
4. method according to claim 1 is characterized in that, described identity information is sent to described wlan access network comprises:
Described subscriber equipment sends to described wlan access network by described identity information being carried in the extensible authentication protocol answer message.
5. method according to claim 4 is characterized in that, described extensible authentication protocol is replied the information that also carries other the one or more network types the described network that removes described subscriber equipment selection that described subscriber equipment need insert in the message.
6. a subscriber equipment access authentication device is characterized in that, comprising:
Receiving element is used to receive the message from wlan access network, and wherein, described message carries the information of the current network that inserts of described wlan access network;
Selected cell, the network that the described subscriber equipment needs of described Information Selection that are used for receiving according to described receiving element insert;
Transmitting element is used for the described network corresponding identity information with described selected cell selection is sent to described wlan access network to carry out access authentication.
7. device according to claim 6 is characterized in that, described transmitting element is replied message by extensible authentication protocol and sent described identity information to described wlan access network.
8. a wlan access network is characterized in that, comprising:
Transmitting element is used for sending message to subscriber equipment, and wherein, described message carries the information of the current network type that inserts of described wlan access network;
Receiving element is used to receive identity information from described subscriber equipment to carry out access authentication, and wherein, described identity information is corresponding according to the network of described its access of Information Selection with described subscriber equipment.
9. wlan access network according to claim 8 is characterized in that, described receiving element comprises:
Receiver module, the extensible authentication protocol that is used to receive from described subscriber equipment is replied message;
Acquisition module is used for replying message from described extensible authentication protocol and obtains described identity information.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200910150255A CN101730104A (en) | 2009-06-23 | 2009-06-23 | Method and device for authenticating access of user equipment and wireless local area network access network (WLAN AN) |
| PCT/CN2010/072343 WO2010148780A1 (en) | 2009-06-23 | 2010-04-29 | Method, apparatus and system for user equipment access authentication |
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| Application Number | Priority Date | Filing Date | Title |
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| CN200910150255A CN101730104A (en) | 2009-06-23 | 2009-06-23 | Method and device for authenticating access of user equipment and wireless local area network access network (WLAN AN) |
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| CN103180861A (en) * | 2010-11-08 | 2013-06-26 | 株式会社Ntt都科摩 | User verification device and user verification method |
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| US8341700B2 (en) * | 2003-10-13 | 2012-12-25 | Nokia Corporation | Authentication in heterogeneous IP networks |
| CN100382646C (en) * | 2004-10-11 | 2008-04-16 | 华为技术有限公司 | Method for accessing different core networks from terminals |
| CN1801704B (en) * | 2004-12-31 | 2010-12-08 | 华为技术有限公司 | Method and system for user access core network |
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