CN104904306B - Method and apparatus for distributing from internet protocol address to client device - Google Patents
Method and apparatus for distributing from internet protocol address to client device Download PDFInfo
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- CN104904306B CN104904306B CN201380069620.4A CN201380069620A CN104904306B CN 104904306 B CN104904306 B CN 104904306B CN 201380069620 A CN201380069620 A CN 201380069620A CN 104904306 B CN104904306 B CN 104904306B
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W76/00—Connection management
- H04W76/10—Connection setup
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W8/00—Network data management
- H04W8/26—Network addressing or numbering for mobility support
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L61/00—Network arrangements, protocols or services for addressing or naming
- H04L61/50—Address allocation
- H04L61/5007—Internet protocol [IP] addresses
- H04L61/5014—Internet protocol [IP] addresses using dynamic host configuration protocol [DHCP] or bootstrap protocol [BOOTP]
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L61/00—Network arrangements, protocols or services for addressing or naming
- H04L61/50—Address allocation
- H04L61/5007—Internet protocol [IP] addresses
- H04L61/503—Internet protocol [IP] addresses using an authentication, authorisation and accounting [AAA] protocol, e.g. remote authentication dial-in user service [RADIUS] or Diameter
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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
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W36/00—Hand-off or reselection arrangements
- H04W36/08—Reselecting an access point
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
- H04W4/80—Services using short range communication, e.g. near-field communication [NFC], radio-frequency identification [RFID] or low energy communication
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W80/00—Wireless network protocols or protocol adaptations to wireless operation
- H04W80/06—Transport layer protocols, e.g. TCP [Transport Control Protocol] over wireless
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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
- H04W88/02—Terminal devices
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L61/00—Network arrangements, protocols or services for addressing or naming
- H04L61/50—Address allocation
- H04L61/5038—Address allocation for local use, e.g. in LAN or USB networks, or in a controller area network [CAN]
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- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Computer Security & Cryptography (AREA)
- Databases & Information Systems (AREA)
- Business, Economics & Management (AREA)
- Accounting & Taxation (AREA)
- Mobile Radio Communication Systems (AREA)
- Small-Scale Networks (AREA)
Abstract
Provide a kind of method and apparatus for distributing the Internet protocol address (IP) for client device for the direct communication between client device and GO equipment by a group owner (GO) equipment.This method includes：Association request message is sent from client device to GO equipment；In response to association request message associate response message is received from GO equipment；And the IP address by receiving the client device distributed by GO equipment during verification process of the client device between client device and GO equipment.
Description
Technical field
The present invention relates generally to the method and apparatus for the address Internet protocol (IP) to be arranged in a wireless communication system.
Background technology
The use of high-speed data service in wireless communication system is growing, and uses the equipment of high-speed data service
Can communication be executed by using the Internet protocol address (IP).
Invention content
Technical problem
However, it is necessary to the new scheme for IP address to be arranged for equipment.
Technical solution
Certain embodiments of the present invention is designed to provide for using band outer (OOB) to communicate in a wireless communication system
(for example, near-field communication (NFC)) exchanges the information for principal communication connection and IP address is arranged according to the role of each equipment
For the method and apparatus of high speed principal communication connection.
Another aspect of the present invention is provided for the method and apparatus using NFC setting IP address.
Another aspect of the present invention provides such method and apparatus：Wherein, in a wireless communication system according to Wi-Fi
Direct-connected standard distributes IP address in the program for exchange correlation request message and associate response message.
According to the first aspect of the invention, it provides to client device and distributes Internet protocol IP address for client
The method of direct communication between equipment and group owner's GO equipment, this method include：It is sent from client device to GO equipment
Association request message；By client device associate response message is received from GO equipment in response to association request message；And by visitor
The client device distributed by GO equipment is received during verification process of the family end equipment between client device and GO equipment
IP address.
According to the second aspect of the invention, it provides to client device and distributes Internet protocol IP address for client
The method of direct communication between equipment and group owner's GO equipment, this method include：It is received from client device by GO equipment
Association request message；From GO equipment associate response message is sent to client device in response to association request message；And by GO
The IP address of client device is sent during verification process of the equipment between client device and GO equipment to client device.
According to the third aspect of the invention we, point for receiving the Internet protocol IP address for being used for client device is provided
With the client device for the direct communication between client device and group owner's GO equipment, the client device packet
It includes：Transmitter is configured as sending association request message to GO equipment；And receiver, it is configured to respond to association request
Message is set during receiving associate response message, and verification process between GO equipment and client device from GO equipment from GO
The standby IP address for receiving client device.
According to the fourth aspect of the invention, it provides for distributing Internet protocol IP address to client device for visitor
The GO equipment of direct communication between family end equipment and group owner's GO equipment, the GO equipment include：Receiver, be configured as from
Client device receives association request message；And transmitter, association request message is configured to respond to client device
During sending associate response message, and verification process between GO equipment and client device visitor is sent to client device
The IP address of family end equipment.
According to an embodiment of the invention, the side for IP address to be arranged between devices in a wireless communication system is provided
Method.This method includes：From the first equipment to the second equipment send by the first equipment propose include for the first equipment first
The IP address pair of IP address and the first IP address for the second counterpart device；It is received from the second equipment by second by the first equipment
What equipment was proposed includes IP pairs of the second IP address for the first equipment and the second IP address for the second equipment；Determine
One of one equipment and the second equipment are as group owner (GO) equipment；It determines and is not determined in the first equipment and the second equipment
One for GO equipment is used as client device；And using the IP address proposed by GO equipment to determining the first equipment being arranged
IP address and setting the second equipment IP address.
This method can also include executing near-field communication (NFC) to mark to establish between the first equipment and the second equipment
Initial association.
This method can also include：Abandon the IP address pair proposed by client device.
The IP address proposed by the first equipment by switching request message to can be sent, and the IP proposed by the second equipment
Address by switching to that can select message to send.
Switching request message and switching selection message can also include for the first equipment and the second equipment to be determined as visitor
The information of family end equipment or GO equipment.
According to another embodiment of the invention, provide for by GO equipment be client device distribute IP address with
The method of direct communication between client device and GO equipment.This method includes：Association request is passed through by client device
Message sends IP address distribution request to GO equipment；And it is received by GO equipment point by associate response message by client device
The IP address of dispensing client device.
Association request message may include for the client address project of the IP address of requesting client equipment, for asking
Seek group owner's address entry of the IP address of GO equipment and for asking the son for being used by client device and GO equipment
The subnet mask project of the information of the mark of net.
Associate response message may include the IP address of client device, the IP address of GO equipment and be used for by client
The information of the mark for the subnet that equipment and GO equipment use.
Association request message can also include the router address project for including gateway address.
According to another embodiment of the invention, provide for by GO equipment be client device distribute IP address with
The method of direct communication between client device and GO equipment.This method includes：It is sent from client device to GO equipment
Association request message；In response to association request message associate response message is received from GO equipment；And by client device in visitor
The IP address of the client device distributed by GO equipment is received during verification process between family end equipment and GO equipment.
Client device can distribute key data encapsulation (KDE) to receive IP address, the GO of client device by IP
The subnet value that the IP address and GO equipment of equipment use.
IP distribute KDE may include in the first Local Area Network) on Extensible Authentication Protocol (Extensible
Authentication Protocol over LAN) in (EAPOL)-cipher key frame.
This method can also be included in the verification process between client device and GO equipment to GO equipment with sending IP
It asks location.
Client device can ask key data encapsulation (KDE) to send IP address request to GO equipment by IP address.
IP address ask KDE may include in the second Local Area Network) on Extensible Authentication Protocol (EAPOL)-key
In frame.
Receive client device IP address may include：The first random number is received from GO equipment；Use the first random number
Antithesis temporary key (PTK) and the second random number are generated with antithesis master key (PMK)；The second random number is sent to GO equipment and is disappeared
Cease integrity code (MIC) key；And receive the IP address of client device, the IP address of GO equipment, robust from GO equipment
Property Secure Network Information Element plain (RSN IE), MIC and group temporary key (GTK).
According to another embodiment of the invention, provide for from GO equipment to client device distribute IP address with
The method of direct communication between client device and GO equipment.This method includes：It is received from client device by GO equipment
Association request message；In response to association request message associate response message is sent to client device；And by GO equipment in visitor
The IP address of client device is sent during verification process between family end equipment and GO equipment to client device.
GO equipment can distribute key data sealing (KDE) to send IP address, the GO equipment of client device by IP
IP address and the subnet value that uses of GO equipment.
IP distribution KDE may include in Extensible Authentication Protocol (EAPOL)-cipher key frame on LAN (LAN).
This method, which can also be included in the verification process between client device and GO equipment from client device, to be received
IP address distribution request.
GO equipment can ask key data encapsulation (KDE) to be asked from client device reception IP address distribution by IP address
It asks.
IP address request KDE may include in Extensible Authentication Protocol (EAPOL)-cipher key frame on LAN (LAN).
Send client device IP address may include：The first random number is sent to client device；It is set from client
It is standby to receive the second random number and first message integrity code (MIC)；It is generated using the first random number and antithesis master key (PMK)
Antithesis temporary key (PTK)；Verification is executed using the first MIC；Distribute the IP address that will be used by client device；And to visitor
Family end equipment send the IP address of client device, the IP address of GO equipment, robust security Network Information Element (RSN IE),
2nd MIC and group temporary key (GTK).
According to another embodiment of the invention, it provides for net to be arranged with another equipment in a wireless communication system
The equipment of the address border agreement (IP).The equipment includes：Transmitter is configured as sending to another equipment and be proposed by the equipment
It include the IP address pair of the first IP address for the equipment and the first IP address for another equipment；Receiver,
Be configured as receiving by another described equipment propose include for the equipment the second IP address and for it is described another
IP pairs of second IP address of equipment；And controller, it is configured to determine that one of the equipment and another equipment are used as group
Owner (GO) equipment determines that be not determined to GO equipment one in the equipment and another described equipment is used as client
End equipment, and using the IP address proposed by GO equipment to determine the equipment of setting IP address and setting it is described another
The IP address of a equipment.
Transmitters and receivers be configured as execute near-field communication (NFC) mark so as to establish the equipment and it is described another
Initial association between equipment.
Controller can be configured as the IP address for abandoning and being proposed by client device.
The IP address proposed by the equipment to can by switching request message sink, and by another described equipment propose
IP address to can pass through switching select message sink.
Switching request message and switching selection message can also include for determining the equipment and another described equipment
For client device or the information of GO equipment.
According to another embodiment of the invention, such equipment is provided：For equipment distribution IP by counterpart device
Location is for the direct communication between the equipment and counterpart device.The equipment includes：Controller is configured to determine other side
Equipment and the equipment are as group owner's (GO) equipment and client device；Transmitter is configured as passing through association request message
IP address distribution request is sent to GO equipment；And receiver, it is configured to respond to association request message and passes through associated response
The IP address for the client device that message sink is distributed by GO equipment.
Association request message may include for the client address project of the IP address of requesting client equipment, for asking
Seek group owner's address entry of the IP address of GO equipment and for asking the son for being used by client device and GO equipment
The subnet mask project of the information of the mark of net.
Associate response message may include the IP address of client device, the IP address of GO equipment and be used for by client
The information of the mark for the subnet that equipment and GO equipment use.
Association request message can also include the router address project for including gateway address.
According to another embodiment of the invention, such client device is provided：The client device is by GO equipment
IP address is distributed for the direct communication between client device and GO equipment.Client device includes：Transmitter is configured
To send association request message to GO equipment；And receiver, it is configured to respond to association request message and receives pass from GO equipment
The client distributed by GO equipment is received during joining response message, and verification process between client device and GO equipment
The IP address of equipment.
Receiver can be configured as distributes key data encapsulation (KDE) with receiving the IP of client device by IP
The subnet value that location, the IP address of GO equipment and GO equipment use.
IP distribute KDE may include in the first Local Area Network) on Extensible Authentication Protocol (EAPOL)-cipher key frame in.
Client device can also include：Transmitter is configured as authenticating between client device and GO equipment
During journey IP address request is sent to GO equipment.
Transmitter can be configured as asks key data encapsulation (KDE) to be asked to GO equipment transmission IP address by IP address
It asks.
IP address ask KDE may include in the second Local Area Network) on Extensible Authentication Protocol (EAPOL)-key
In frame.
Receiver can be configured as from GO equipment and receive the first random number, the IP address of client device, GO equipment
IP address, robust security Network Information Element (RSN IE), Message Integrity Code (MIC) and group temporary key (GTK),
Wherein, client device further includes：Controller, is configured with the first random number and antithesis master key (PMK) generates antithesis
Temporary key (PTK) and the second random number, and, wherein transmitter is configured as sending the second random number and MIC to GO equipment
Key.
According to another embodiment of the invention, such GO equipment is provided：It is used to distribute IP to client device
Address is for the direct communication between client device and GO equipment.GO equipment includes：Receiver is configured as from client
Equipment receives association request message；And transmitter, it is configured to respond to association request message and sends pass to client device
Client is sent during joining response message, and verification process between GO equipment and client device to client device to set
Standby IP address.
Transmitter can be configured as distributes key data sealing (KDE) with sending the IP of client device by IP
The subnet value that location, the IP address of GO equipment and GO equipment use.
IP distribute KDE may include in the first Local Area Network) on Extensible Authentication Protocol (EAPOL)-cipher key frame in.
Receiver can be configured as during the verification process between client device and GO equipment from client device
Receive IP address distribution request.
Receiver can be configured as asks key data encapsulation (KDE) from client device reception IP by IP address
Location distribution request.
IP address ask KDE may include in the second Local Area Network) on Extensible Authentication Protocol (EAPOL)-key
In frame.
Transmitter can be configured as to be set to the first random number of client device transmission, the IP address of client device, GO
Standby IP address, robust security Network Information Element (RSN IE), first message integrity code (MIC) and group are interim close
Key (GTK), wherein GO equipment further includes：Controller, is configured with the first random number and antithesis master key (PMK) generates
Antithesis temporary key (PTK) executes verification using the 2nd MIC, and the IP address that distribution will be used by client device, and
And, wherein receiver is configured as receiving the second random number and the 2nd MIC from client device.
It includes the computer program instructed that another aspect of the present invention, which provides, and described instruction is arranged to when being run
Implement the method for any one of various aspects as described above.The machine of the such program of storage is provided on the other hand
Readable storage devices.
Advantageous effect of the invention
If IP address can not be arranged in a wireless communication system, role determines and IP address distribution is held simultaneously
Row, to provide the setting of high speed IP address.
Description of the drawings
From the detailed description below in conjunction with attached drawing, the above and other aspects of certain embodiments of the present invention of the invention,
Feature and advantage will be apparent from, wherein：
Fig. 1 is to show the signal stream according to an embodiment of the invention for the method for IP address to be arranged in NFC system
Figure；
Fig. 2 is to show according to an embodiment of the invention be used in a wireless communication system by NFC data exchange format
(NDEF) message exchange is arranged the flow chart of the method for IP address；
Fig. 3 is to show the signal flow diagram according to an embodiment of the invention for distributing the method for IP address；
Fig. 4 is the flow chart for showing the method according to an embodiment of the invention by client device requests IP address；
Fig. 5 is the flow chart for showing the method according to an embodiment of the invention that associate response message is sent by GO equipment；
Fig. 6 is to show the letter according to an embodiment of the invention for distributing the method for IP address in 4 handshake steps
Number flow graph；
Fig. 7 shows expanding on the LAN (LAN) according to an embodiment of the invention exchanged in 4 handshake steps
Open up the format of authentication protocol (EAPOL) key message；
Fig. 8 show it is according to an embodiment of the invention in 4 handshake steps for defining each tissue or company
Key data encapsulation (KDE) basic format；
Fig. 9 shows the IP address distribution KDE according to an embodiment of the invention being inserted into " data " field；
Figure 10 is to show the letter according to an embodiment of the invention for distributing the method for IP address in 4 handshake steps
Number flow graph；
Figure 11 shows the IP address request KDE according to an embodiment of the invention being inserted into " data " field；And
Figure 12 shows the IP address distribution KDE according to an embodiment of the invention being inserted into " data " field.
Through attached drawing, similar reference label will be understood to refer to similar part, component and structure.
Specific implementation mode
The various embodiments of detailed description of the present invention with reference to the drawings.In the following description, such as detailed configuration
It is provided merely for helping the comprehensive understanding to embodiments of the invention with the detail of component.Therefore, this field skill
Art personnel are it should be clear that can make various changes and modifications the embodiments described herein without departing from such as appended claims
The scope of the present invention of definition.In addition, for clarity and brevity, the description to well-known functions and structure will be omitted.
Term and word used in following description and claim are not limited to its literal meaning, and be only by with
To provide the clear consistent understanding to the present invention.Therefore, it will be apparent to one skilled in the art that below to the embodiment of the present invention
Description be merely provided for illustration purposes, rather than for limit as defined in appended claims and its equivalent
The purpose of the present invention.
Through the described and claimed of this specification, the deformation of word " comprising " and "comprising" and the word, example
Such as " including " and " containing ", it is meant that " including but not limited to ", and it is not intended (not) other components of exclusion, whole
Number or step.
Through the described and claimed of this specification, singular things includes the things of plural number, unless context is in addition
It is required that.Specifically, in the case where indefinite article is by use, this specification will be understood as considering it is multiple and single, unless
Context requires in addition that.
Feature, integer or the feature described in conjunction with certain aspects of the present disclosure, embodiment or example will be managed
Solution is can be applicable to any other aspect, embodiment or example described herein, unless with incompatible here.
It will be understood that run through the described and claimed of this specification, language (its of the form of general " X for being used for Y "
In, Y is some actions, activity or step, and X is performed for the device of the action, activity or step) include to be had
Body rather than be exclusively adapted for or arrange for carry out Y device X.
According to an embodiment of the invention, such a method is provided：It is used for using OOB communication (for example, NFC) exchange
The information of communication connection connects for high speed principal communication (in band), and is taken for network according to the role of each equipment setting
The IP address of business, to provide rapid network service to the user.First equipment serves as a group owner (GO), and the second equipment is filled
Work as client.
According to another embodiment of the invention, such a method is provided：Its by OOB message exchanges come deliver by
Role proposed by each in two equipment for serving as counterpart device is determined into information and IP setting informations, and according to from
The role determined in the information exchanged selects IP address.
According to another embodiment of the invention, it provides and is taken instead of dynamic host configuration protocol (DHCP) for GO equipment
The method operated is arranged to execute IP in business device, wherein each equipment determines information and IP address by OOB message to send role.
Fig. 1 is to show the signal flow diagram according to an embodiment of the invention for the method for IP address to be arranged in NFC system.
With reference to figure 1, the first equipment 10 and the second equipment 20 execute NFC labels (tagging) in a step 101.In step
In 103, the first equipment 10 to the second equipment 20 send include the following terms OOB message：Role determines information (for example, Wi-Fi
GO intentions value in direct-connected), the 20 available IP address of IP address and the second equipment proposed by the first equipment 10.
In step 105, the second equipment 20 to the first equipment 10 send include the following terms OOB message：Role determines
Information (for example, GO intentions value in Wi-Fi direct), the IP address proposed by the second equipment 20 and the first equipment 10 are available
IP address.
Here, it two IP address being proposed by the first equipment 10 and is defined by two IP address that the second equipment 20 is proposed
It is IP pairs.First equipment 10 and the second equipment 20 are come according to the their own role for determining information determination by exchanging role
IP pairs provided using IP pairs provided by counterpart device or by itself.
That is, if being connected to principal communication using the OOB for Wi-Fi reciprocity (P2P), the first equipment 10 and the
Two equipment 20 are sent and received the GO intentions value for being used as the information of the role for determining them by OOB message and are carried
The IP address pair of view.Here, GO intentions value can have meaning identical with role's decision information.
For example, in Fig. 1, the IP proposed by the first equipment 10 is to indicating the IP address of the first equipment 10
192.168.1.1 and the IP address of the second equipment 20 is 192.168.1.2.The IP proposed by the second equipment 20 is to instruction first
The IP address of equipment 10 is 192.168.1.1, and the IP address of the second equipment 20 is 192.168.1.2.
In step 107, after exchange includes described IP pairs of OOB message, the role of the first equipment 10 is confirmed as
P2P GO, and the role of the second equipment 20 is confirmed as P2P clients.Therefore, in step 109, proposed by the first equipment 10
IP to being used as the IP address of two equipment, and the IP proposed by the second equipment 20 is to being ignored.That is, the first equipment
10 IP address is confirmed as 192.168.1.1, and the IP address of the second equipment 20 is confirmed as 192.168.1.2.Using institute
Determining IP address, the first equipment 10 and the second equipment 20 communicate with one another in step 111.
However, if the role of the first equipment 10 is confirmed as P2P clients, and the role of the second equipment 20 is confirmed as
P2P GO, then the IP proposed by the second equipment 20 is to being used.That is, the IP address of the first equipment 10 will be confirmed as
192.168.10.1 and the IP address of the second equipment 20 will be confirmed as 192.168.10.2.
In role determines, the GO intention values of the first equipment and the second equipment are compared with each other, and the GO with bigger
The equipment of intention value can be determined that as GO equipment operations.If the GO intention values of two equipment are equal to each other, first
The equipment for sending association request message has higher priority, and therefore, can be used as GO equipment operations.It is existing by executing
P2P GO negotiate, the role of equipment can be determined.
IP address is arranged and the attribute format of address resolution protocol (ARP) is as shown in table 1.
【Table 1】
As shown in table 1, the attribute format of IP address setting and ARP are GO equipment or client according to the role of equipment
Equipment is come the associated information of IP address that defines be included in switching request message and switching selection message.
If the first equipment is GO equipment, " the P2P GO IP proposed by the first equipment in switching request message
Location " and " P2P client ip address " field are utilized, and switch " the P2P GO IP proposed by the second equipment in selection message
Address " and " P2P client ip address " field are dropped.
Fig. 2 is to show the NFC according to an embodiment of the invention being arranged in a wireless communication system for high-speed link
The flow chart of the method for IP address is arranged in data interchange format (NDEF) scheme.
With reference to figure 2, the first equipment 10 and the second equipment 20 execute NFC labels in step 201 and 251.Hereafter, the first equipment
10 and second equipment 20 step 203 and 253 exchange NDEF message.Each NDEF message may include that IP couples and role determine letter
Breath.In step 205 and 255, the first equipment 10 and the second equipment 20 can determine their role based on the information of exchange.
For example, in step 205 if the first equipment 10 is not P2P GO equipment, that is, the first equipment 10 is P2P clients
Equipment, then the first equipment 10 IP pairs provided by the second equipment 20 is provided in step 207 and is set in step 211 with second
Standby 20 exchange data.However, if the first equipment 10 is P2P GO equipment in step 205, the first equipment 10 is in step 209
There is provided by the first equipment 10 IP pairs of middle use and data are exchanged with the second equipment 20 in step 211.
Similarly, the second equipment 20 uses the IP in step 257 and 259 according to its role determined in step 255
To exchanging data with the first equipment 10 in step 261.
Fig. 3 is to show the signal flow diagram according to an embodiment of the invention for distributing the method for IP address.
With reference to figure 3, in probe request/response step 301, the first equipment 320 and the second equipment 321 are found each other.
In GO negotiation steps 303, the first equipment 320 and the second equipment 321 execute the process for determining their own role.In Wi-Fi
In easy configuration (WSC) step 305, the first equipment 320 and the second equipment 321 execute request and respond their associated mistake
Journey.
In step 307, the first equipment 320 sends association request message to the second equipment 321, and in step 309, second
Equipment 321 sends associate response message to the first equipment 320.In step 311, the first equipment 320 and the second equipment 321 execute 4
It is secondary to shake hands (4-way handshake).
Each in step 301 to 311 abides by Wi-Fi direct standard.
As shown in Figure 3, in association request corresponding with Wi-Fi direct and associate response message exchanger, IP
Address is assigned to each equipment.
Association request message is used as by GO negotiation procedures sends the association request of GO equipment from client device
To GO equipment.Association request message includes P2P information elements (IE) comprising newest proposal according to an embodiment of the invention
Project.
Associate response message is in response to be sent to client from GO equipment by GO negotiation procedures in association request message
The message of equipment.Associate response message includes P2P information elements (IE) comprising newest proposal according to an embodiment of the invention
Project.
Client device is assigned IP address by associate response message.
For example, client device will such as " group owner address ", " client address ", " subnet mask " and " router
The project insertion of address " is included in the P2P IE being sent in the association request message of GO equipment.
" addresses GO " project includes the IP address that client it is expected associated GO equipment." client address " project
It include the IP address that client device is distributed to by GO equipment." subnet mask " project includes for will be by GO equipment and client
The information for the Subnet Identification that equipment uses." router address " project includes gateway address.
Client device can will " group owner address " project, " client address " project, " subnet mask " project and
" router address " project is managed as the higher project for being referred to as " P2P IP distribution ", is referred to as " P2P IP distribution "
Higher project is the management for the information project of P2P IE.If client device uses " P2P IP are distributed " project,
Association request message can use " P2P IP distribution " project, without the use of lower level project.
GO equipment may determine whether that the association request message received from client device includes " group owner address " item
Mesh, " client address " project, " subnet mask " project and " router address " project or including P2P IP allocated items,
And if it is, GO equipment records the value in each project, to send the pass for including IP address information to client device
Join response message.
However, if the value of each project is null or client in the association request message received by GO equipment
Project is inserted into P2P IE by equipment not yet, then GO equipment can be by general DHCP programs for client device distribution IP
Location can not be that client device distributes IP address.Disappear if GO equipment receives the not association request including the project
Breath, then client device is not supported to be assigned IP address according to an embodiment of the invention, and therefore, client device passes through general
DHCP programs are assigned IP address.
Similar to association request message, project that associate response message " can also will organize owner address ", " client
Location " project, " subnet mask " project and " router address " project is as higher project (that is, " P2P IP distribution " project)
To manage.
In the modification of Fig. 3, GO equipment and client device can determine IP address whether before WSC steps 305 quilt
Setting.In this case, will " group owner address " project, " client address " project, " subnet mask " project and
" router address " project is inserted into association request message, then IP address distribution can be determined in advance, for example, probe requests thereby/sound
It answers, GO negotiates or WSC.That is, before association request and response message exchange, GO equipment will recognize client
Whether end equipment can be assigned IP address.Therefore, if client device can be supported to be assigned IP address, even if client
End equipment be sent in step 307 " group owner address " project, " client address " project, " subnet mask " project and
Association request message with null values in " router address " project, GO equipment still will can be distributed directly in a step 309
IP address be included in associate response message.If client device cannot be supported to be assigned IP address, IP address passes through
General DHCP programs are assigned.
Fig. 4 is to show the method according to an embodiment of the invention for sending association request message by client device
Flow chart.
With reference to figure 4, in step 401, client device determines whether it can support to be assigned IP address.If client
End equipment has the support for being assigned IP address, then client device configuration indicates it by the P2P of assigned IP address
IE, and generation includes the association request message of the P2P IE in step 403.The configuration of P2P IE about Fig. 3 into
It has gone description, therefore will not be described in detail again.In step 405, the association request that client device can will be generated
Message is sent to GO equipment.
However, if client device cannot be supported to be assigned IP address in step 401, client device can be
General association request message is generated in step 407, and is in step 405 sent to the general association request message
GO equipment.
Fig. 5 is to show the flow according to an embodiment of the invention for sending the method for associate response message by GO equipment
Figure.
With reference to figure 5, in step 501, GO equipment receives association request message from client device.In step 503, GO
Equipment can analyze received association request message, that is, be included in the P2P IE in received association request message
" P2P IP distribution " project or " group owner address " project, " client address " project, " subnet mask " project and " road
By device address " project, to determine whether received association request message includes IP address distribution request.If with IP address point
It is included in P2P IE with relevant project, then GO equipment can be generated including for the defeated of the project in step 505
Enter the associate response message of value.In step 507, GO equipment can send generated associated response to client device and disappear
Breath.
However, if as the analysis result to association request message in step 503, there is no distribute phase with IP address
The project of pass, then GO equipment generates general associate response message in step 509, and is set to client in step 507
Preparation send generated associate response message.
As shown in Figure 5, IP address is assigned according to the DHCP programs in the L3 layers of Wi-Fi direct standard, IP address point
It fits over and is performed in L2 layers, to provide between devices the quickly method of distribution IP address.Hereinafter, the third of the present invention is implemented
Example and fourth embodiment propose to distribute the method for IP address as wireless in view of the safety in 4 handshake steps of Fig. 3
Link establishing method in communication system.
Fig. 6 is to show the letter according to an embodiment of the invention for distributing the method for IP address in 4 handshake steps
Number flow graph.
With reference to figure 6, in step 601, GO equipment (either authenticator) 621 can be to client device (or petitioner)
620 transmissions include the EAPOL- key messages of ANonce.ANonce, which is GO equipment 621, to be generated in 4 handshake steps
Random number.
In step 603, client device 620 can generate SNonce, and received ANonce is then used to give birth to
At antithesis temporary key (PTK).Additionally or alternatively, client device 620 can generate antithesis master key (PMK).PMK
The key for being user's input or passing through WSC steps generation/setting.SNonce is that client device is raw in 4 handshake steps
At random number.
In step 605, client device 620 can generate the EAPOL- keys including at least one of the following terms
Message, and the EAPOL- key messages generated are sent to GO equipment 621, the items include：SNonce；Robustness is pacified
Whole network (RSN) IE (e.g., including the P2P IE in association request frame again or association request frame)；And message integrity
Code (MIC).
In step 607, GO equipment 621 can use at least one of SNonce, ANonce and PMK to generate PTK,
Verification is executed using MIC, and IP address is distributed to client device 620.Determine key value whether each other using the verification of MIC
It is identical.
In step 609, it includes at least one of the following terms that GO equipment 621 can be sent to client device 620
EAPOL- key messages：ANonce；RSN IE (are included in the IE in beacon or probe response message)；MIC；Group is interim close
Key (GTK)；With the IP address for distributing to client device 620.
In step 611, client device 620 can receive distributed PTK, GTK and IP address from GO equipment 621
At least one of, and then can be sent in step 611 to GO equipment 621 for confirming (or affirmative acknowledgement (ACK))
EAPOL- key messages.
The IP address for distributing to client device by GO equipment in step 609 is included in EAPOL- key messages
In " key data " field, and " key data " field abides by the format described below with reference to Fig. 8.
Fig. 7 shows the format of the EAPOL key messages exchanged in 4 handshake steps according to an embodiment of the invention.
With reference to figure 7, in 4 handshake steps, client device is sent to GO equipment for by disappearing with EAPOL- keys
" key data " field of the format of breath carrys out the project of IP address requesting.GO equipment passes through the format with EAPOL- key messages
" key data " field send the IP address of the IP address and GO equipment of client device.
Fig. 8 show it is according to an embodiment of the invention in 4 handshake steps for defining each tissue or company
Key data encapsulation (KDE) basic format.Using KDE, KDE message or grouping can be sent.
With reference to figure 8, organization unique identifier (OUI) can be, for example, as what ieee standard defined is used for Wi-Fi Alliance
50 6F 9A." data type " field has KDE of the identification for being inserted in the key data exchanged in 4 handshake steps
Value, and organized by OUI.For example, " 3 " can be provided to distinguish IP address distribution KDE and IP address request KDE, and
And this value can be changed to another value or another value and can be set." data " field may include, for example,
" IP address distributes KDE ", as shown in Figure 9.
Fig. 9 shows that the exemplary IP address according to an embodiment of the invention as " data " distributes KDE.
With reference to figure 9, IP address distribution KDE is included in " data " field as shown in Figure 8, and includes " client
Hold IP address " project, " group owner address " project and " subnet mask " field.For example, as shown in the step 609 of Fig. 6,
GO equipment can record the value for each field provided in IP address distribution KDE, and send visitor to client device
The IP address of the IP address and GO equipment of family end equipment.
Figure 10 is to show the letter according to an embodiment of the invention for distributing the method for IP address in 4 handshake steps
Number flow graph.Specifically, in Fig. 10, in client device (either petitioner) 1020 to GO equipment (or authenticator) 1021
After sending IP address request, client device 1020 is distributed IP address from GO equipment 1021.
With reference to figure 10, in step 1001, it includes ANonce's that GO equipment 1021 is sent to client device 1020
EAPOL- key messages.
In step 1003, client device 1020 generates SNonce, and received ANonce is then used to generate PTK.
PMK is the key for being inputted by user or passing through WSC generations/setting.
In step 1005, the generation of client device 1020 includes for asking SNonce, RSN IE, MIC and IP address
Information EAPOL- key messages, and send generated EAPOL- key messages to GO equipment 1021.
In step 1007, GO equipment 1021 uses the SNonce being included in received EAPOL- key messages, step
The ANonce and PMK that are used in rapid 1001 generates PTK, executes verification by MIC, and distributing will be by client device
1020 IP address used.
In step 1009, GO equipment 1021 to client device 1020 transmission include ANonce, RSN IE, MIC, GTK,
With the EAPOL- key messages for the IP address for distributing to client device 1020.
In step 1011, client device 1020 receives PTK and GTK, and the IP address distributed by GO equipment 1021 is arranged,
Then the EAPOL- key messages for confirmation are sent to GO equipment 1021.
The IP address solicited message for being sent to GO equipment 1021 from client device 1020 in step 1005 is included in
In " key data " field of EAPOL- key messages, as shown in Figure 7, and " key data " field is abided by such as institute in Fig. 8
The format shown.Therefore, in fig. 8, " OUI " can be, for example, the 50 6F 9A for Wi-Fi Alliance, and can be " number
According to type " IP address ask KDE.
Figure 11 shows that the exemplary IP address according to an embodiment of the invention as " data " asks KDE.
With reference to figure 11, " IP address of request " field is used for sending IP address to GO equipment by client device asks, and
And the IP address that client device can also use before requesting client equipment.If the value for the field is " 1 ", come
IP distribution from GO equipment is requested.
" IP address lease time " field instruction client device will use the time of IP address.If being used for this field
Value be " 0 ", then IP address will be used within the time specified by GO equipment；And if the value of this field is maximum value,
Then the unlimited lease of IP address is requested.
The IP address for being assigned to P2P client devices in step 1009 of fig. 10 is included in " key data " field
In, as shown in Figure 7, and abide by format shown in fig. 8." OUI " can be, for example, 50 6F for Wi-Fi Alliance
9A, and the example of " data type " can be IP address distribution KDE.
Figure 12 shows the IP address distribution KDE according to an embodiment of the invention being inserted into " data " field.
With reference to figure 12, the IP address that client device is distributed to by GO equipment is included in " client ip address " field
In, and the IP address can be the IP address of client device requests, but GO equipment can according to partition another
Address." subnet mask " field includes the information for Subnet Identification, and " group owner address " field includes the IP of GO equipment
Address." IP address lease time " field indicates the IP address effective time, and if the value for this field is maximum
Value, then it indicates unlimited lease time.
As will be clear that from the foregoing description, if IP address, role can not be arranged in a wireless communication system
It determines and IP address distribution is performed simultaneously, to provide the setting of high speed IP address.
It will be understood that the embodiment of the present invention can be come in fact in the form of the combination of hardware, software or hardware and software
It is existing.Any such software can be with volatibility or non-volatile memory device (for example, the storage device as ROM, nothing
By whether erasable either whether re-writable) form store or with memory (for example, RAM, memory chip, setting
Standby or integrated circuit) form store, or be stored in light readable medium or magnetic readable medium (for example, CD, DVD, magnetic
Disk or tape) on etc..It will be understood that it includes implementing this hair when being run that storage device and storage medium, which are adapted for storage,
The embodiment of the machine-readable storage device of the program of the instruction of bright embodiment or multiple programs.
Therefore, it includes for implementing as any one of the claim of this specification is claimed that embodiment, which provides,
Device or method code program and the such program of storage machine-readable storage device.Further, such
Program can electronically be conveyed via any medium (signal of communication such as carried by wired or wireless connection), and
Embodiment includes suitably such program.
Although the present invention is specifically illustrated and described by reference to certain embodiments of the present invention, can carry out various
Modifications and changes, the scope of the present invention defined without departing from such as appended claims.
Claims (14)
1. a kind of distributing Internet protocol IP address between client device and group owner's GO equipment to client device
Direct communication method, this method includes：
Association request message is sent from client device to GO equipment；
By client device associate response message is received from GO equipment in response to association request message；And
By receiving the client distributed by GO equipment during verification process of the client device between client device and GO equipment
The IP address of end equipment,
Wherein, the verification process between GO equipment and client device includes：
By client device the first random number is received from GO equipment；
Second random number is generated by client device and uses the first generating random number antithesis temporary key PTK；
The second random number and first message integrity code MIC are sent from client device to GO equipment；And
IP address, the 2nd MIC and the group temporary key GTK of client device are received from GO equipment.
2. the method for claim 1, wherein the client device distributes key data encapsulation KDE to connect by IP
Receive the subnet value that IP address, the IP address of GO equipment and the GO equipment of client device use.
3. method as claimed in claim 2, wherein IP distribution KDE is included in the expansible certification on the first local network LAN
In agreement EAPOL- cipher key frames.
4. the method as described in any one of preceding claims, further includes：Between client device and GO equipment
In verification process IP address request is sent to GO equipment.
5. method as claimed in claim 4, wherein the client device asks KDE to be sent to GO equipment by IP address
IP address is asked.
6. method as claimed in claim 5, wherein IP address request KDE is included in the 2nd EAPOL- cipher key frames.
7. a kind of distributing Internet protocol IP address between client device and group owner's GO equipment to client device
Direct communication method, this method includes：
By GO equipment association request message is received from client device；
From GO equipment associate response message is sent to client device in response to association request message；And
From sending client device to client device during verification process of the GO equipment between GO equipment and client device
IP address,
Wherein, the verification process between GO equipment and client device includes：
The first random number is sent from GO equipment；
GO equipment receives the second random number and first message integrity code MIC from client device；
First random number and the second generating random number antithesis temporary key PTK are used by GO equipment, tested using the 2nd MIC execution
Card, and distribute the IP address of client device；And
From GO equipment to the IP address and the 2nd MIC of client device transmission group temporary key GTK, client device.
8. the method for claim 7, wherein the GO equipment distributes key data encapsulation KDE to send visitor by IP
The subnet value that the IP address of family end equipment, the IP address of GO equipment and GO equipment use.
9. method as claimed in claim 8, wherein IP distribution KDE is included in the expansible certification on the first local network LAN
In agreement EAPOL- cipher key frames.
10. the method as described in any one of claim 7 to 9, further includes：Between client device and GO equipment
During verification process IP address distribution request is received from client device.
11. method as claimed in claim 10, wherein the GO equipment asks KDE to be connect from client device by IP address
Receive IP address request.
12. method as claimed in claim 11, wherein IP address request KDE is included in the 2nd EAPOL- cipher key frames.
13. a kind of distribution for receiving the Internet protocol IP address for client device is gathered around for client device and group
The client device of direct communication between the person's of having GO equipment, the client device include：
Transmitter is configured as sending association request message to GO equipment；And
Receiver is configured to respond to association request message and receives associate response message from GO equipment, and in GO equipment and
The IP address of client device is received during verification process between client device from GO equipment,
Wherein, the verification process between GO equipment and client device includes：
By client device the first random number is received from GO equipment；
Second random number is generated by client device and uses the first generating random number antithesis temporary key PTK；
The second random number and first message integrity code MIC are sent from client device to GO equipment；And
IP address, the 2nd MIC and the group temporary key GTK of client device are received from GO equipment.
14. one kind to client device for distributing Internet protocol IP address for client device and group owner's GO equipment
Between direct communication GO equipment, which includes：
Receiver is configured as receiving association request message from client device；With
Transmitter is configured to respond to association request message to client device and sends associate response message, and set in GO
The IP address of client device is sent during the standby verification process between client device to client device,
Wherein, the verification process between GO equipment and client device includes：
The first random number is sent from GO equipment；
GO equipment receives the second random number and first message integrity code MIC from client device；
First random number and the second generating random number antithesis temporary key PTK are used by GO equipment, tested using the 2nd MIC execution
Card, and distribute the IP address of client device；And
From GO equipment to the IP address and the 2nd MIC of client device transmission group temporary key GTK, client device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810828377.4A CN108990050B (en) | 2012-12-04 | 2013-12-04 | Client device, group owner device and method for direct communication between the two |
Applications Claiming Priority (11)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR10-2012-0139932 | 2012-12-04 | ||
| KR20120139932 | 2012-12-04 | ||
| KR10-2012-0148996 | 2012-12-19 | ||
| KR20120148996 | 2012-12-19 | ||
| KR10-2013-0010082 | 2013-01-29 | ||
| KR20130010082 | 2013-01-29 | ||
| KR20130015066 | 2013-02-12 | ||
| KR10-2013-0015066 | 2013-02-12 | ||
| KR10-2013-0018894 | 2013-02-21 | ||
| KR1020130018894A KR102098239B1 (en) | 2012-12-04 | 2013-02-21 | Method and apparatus for setting up internet protocol address in a wireless communication system |
| PCT/KR2013/011167 WO2014088318A1 (en) | 2012-12-04 | 2013-12-04 | Method and apparatus for allocating an internet protocol address to a client device |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201810828377.4A Division CN108990050B (en) | 2012-12-04 | 2013-12-04 | Client device, group owner device and method for direct communication between the two |
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| CN104904306A CN104904306A (en) | 2015-09-09 |
| CN104904306B true CN104904306B (en) | 2018-08-21 |
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| CN201380069620.4A Active CN104904306B (en) | 2012-12-04 | 2013-12-04 | Method and apparatus for distributing from internet protocol address to client device |
| CN201810828377.4A Active CN108990050B (en) | 2012-12-04 | 2013-12-04 | Client device, group owner device and method for direct communication between the two |
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| CN110234173B (en) * | 2016-05-04 | 2023-07-25 | 杭州博联智能科技股份有限公司 | Method for realizing rapid communication by wifi probe request and response packet |
| CN111372325B (en) * | 2020-02-21 | 2022-04-26 | 华为技术有限公司 | Method and device for establishing Wi-Fi point-to-point connection |
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Also Published As
| Publication number | Publication date |
|---|---|
| KR20140071853A (en) | 2014-06-12 |
| CN108990050A (en) | 2018-12-11 |
| KR102098239B1 (en) | 2020-04-08 |
| CN104904306A (en) | 2015-09-09 |
| CN108990050B (en) | 2021-07-09 |
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