CN101051967A - Communication system and its method for user's device in user's network - Google Patents

Communication system and its method for user's device in user's network Download PDF

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Publication number
CN101051967A
CN101051967A CNA2006100254380A CN200610025438A CN101051967A CN 101051967 A CN101051967 A CN 101051967A CN A2006100254380 A CNA2006100254380 A CN A2006100254380A CN 200610025438 A CN200610025438 A CN 200610025438A CN 101051967 A CN101051967 A CN 101051967A
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China
Prior art keywords
subscriber equipment
management entity
communication
message
request
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Pending
Application number
CNA2006100254380A
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Chinese (zh)
Inventor
钟永锋
张玲
刘玲
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Huawei Technologies Co Ltd
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Huawei Technologies Co Ltd
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Filing date
Publication date
Application filed by Huawei Technologies Co Ltd filed Critical Huawei Technologies Co Ltd
Priority to CNA2006100254380A priority Critical patent/CN101051967A/en
Priority to CNA2007800003737A priority patent/CN101317390A/en
Priority to KR1020087025794A priority patent/KR101076332B1/en
Priority to PCT/CN2007/001074 priority patent/WO2007112692A1/en
Priority to JP2009503394A priority patent/JP2009532959A/en
Publication of CN101051967A publication Critical patent/CN101051967A/en
Pending legal-status Critical Current

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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L63/00—Network architectures or network communication protocols for network security
    • H04L63/08—Network architectures or network communication protocols for network security for authentication of entities
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L63/00—Network architectures or network communication protocols for network security
    • H04L63/08—Network architectures or network communication protocols for network security for authentication of entities
    • H04L63/0876—Network architectures or network communication protocols for network security for authentication of entities based on the identity of the terminal or configuration, e.g. MAC address, hardware or software configuration or device fingerprint
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L63/00—Network architectures or network communication protocols for network security
    • H04L63/06—Network architectures or network communication protocols for network security for supporting key management in a packet data network
    • H04L63/062—Network architectures or network communication protocols for network security for supporting key management in a packet data network for key distribution, e.g. centrally by trusted party
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W12/00—Security arrangements; Authentication; Protecting privacy or anonymity
    • H04W12/009—Security arrangements; Authentication; Protecting privacy or anonymity specially adapted for networks, e.g. wireless sensor networks, ad-hoc networks, RFID networks or cloud networks

Abstract

The invention is used in securing the communication information between UEs in subscriber's network. In the invention, before a connection is established between any two UEs in subscriber's network, a security authentication for the relevant UEs is sent to network administrator through an access network; only the UEs passing the security authentication can establish a point to point connection; the network administrator can also provide a cipher key for the UEs passing the security authentication to secure the data transmission. If said two UEs are in same Human area network (HAN), the point to point connection will be established directly in range of the HAN); if the two UEs are in different HANs, the point to point connection will be remotely established through their own access network.

Description

The communication system of subscriber equipment and method thereof in the user network
Technical field
The present invention relates to the communications field, particularly the communication technology between subscriber equipment in the user network.
Background technology
In recent years, along with development of science and technology and people increase to the high-tech product demand, increasing gradually of the ancillary equipment that people had, users not only may have a plurality of laptop computers, mobile phone etc. simultaneously, also may on the PC of oneself, connect ancillary equipment such as printer, scanner, modulator-demodulator, sometimes also to plug USB interface, with the photo in digital camera transmission and store in the hard disk and go.Insert continually and extract the various cables that twining behind a certain interface, the PC, all make the user when the experience new technology is brought enjoyment, have to stand some inconvenience again.In addition, information between the staff of each department of enterprises is delivered in the mobile that also information is transmitted in the modern enterprise and proposes higher requirement, in limited working environment, form local area network (LAN) and can realize information sharing and equipment shared (printer, scanner etc.), but thickly dotted wiring is made troubles to the people again.
At this phenomenon, academia has proposed a new notion: individual domain network (Personal AreaNetwork is called for short " PAN ").The PAN network is exactly in a space that radius of action is less, type of service is abundant, towards special group, realizes the mobile radio communication of wireless connections.This be a kind of and wide area network, local area network (LAN) side by side but the less wireless network of scope.
PAN server thought is, replaces traditional wire cable with radio or infrared ray, realizes the intelligent interconnected of personal information terminal, sets up personalized information network.From the angle of computer network, the PAN network is a local area network (LAN); From the angle of communication network, the PAN network is an Access Network, therefore has the people PAN network to be called the solution of communication network " last rice ".
The PAN network positions is in the application scenario of family and small office.Its main range of application comprises: Speech Communication gateway, data communication gateway, information appliance is interconnected and automatically exchange etc. of information.
The realization technology of PAN network mainly contains: the infrared communication technology of bluetooth (Bluetooth), Infrared Data Association's (InfraredData Association is called for short " IRDA ") etc.
Can be by the PAN network well to in-plant all the subscriber equipment (UserEquipment of same user, be called for short " UE ") manage and information exchange, yet the network range of PAN is less after all, can not be limited in the PAN network as the stronger UE of mobility such as mobile phone, the user manages all UE that it had for convenience, the UE that we will belong to same user forms user network, and this user network can comprise physically a plurality of UE of wide apart or the PAN network of being made up of UE.
In the prior art, communication between each UE in same user network comprises two kinds of situations, one, be that the UE both sides that communicate are in together in the same PAN network of same user network, be UE both sides' short-range communications, in this case, can adopt wireless technical approach, as adopt wireless technologys such as bluetooth, infrared communication, perhaps adopt wired technical approach, comprise the cable technology of USB cable as employing, directly carry out UE both sides' point-to-point communication, need not management by carrier network.That is to say that the UE both sides of communication need not through core net, only in the PAN network internal by closely connecting direct communication, as shown in Figure 1, be this kind communication mode between UE1 and UE2.
They are two years old, for not under same Access Network, the i.e. UE in same PAN network not is as UE1 among Fig. 1 and UE3, owing to need telecommunication, therefore the communication between them need exchange via the switching center that operator provides, that is to say, when UE1 need communicate with UE2, initiate request by its Access Network A by UE1, pass through switching center and Access Network B then, could arrive UE3.Except some control signalings, the transfer of data of UE1 needs successively to pass through Access Network A, switching center and Access Network B equally, just can be transferred to UE3.
In actual applications, there is following problem in such scheme: the fail safe of communicating by letter between each UE in same user network can't be guaranteed, and has taken switching center's resource in the communication largely between each UE.
Cause the main cause of this situation to be, owing to what adopt between the UE that is in same PAN network in the same user network is point-to-point communication, promptly Tong Xin UE both sides need not through core net, only directly connect and communicate in the PAN network internal, there is not any safety certification measure, thereby can't guarantees the fail safe of communicating by letter.And when the UE that communicates in the same user network was not in the same PAN network, communicating pair must just can communicate by switching center, had taken the ample resources of switching center.
Summary of the invention
In view of this, main purpose of the present invention is to provide the communication system and the method thereof of subscriber equipment in a kind of user network, makes that the communication information between the interior UE of user network can access safety guarantee.
For achieving the above object, the invention provides the communication system of subscriber equipment in a kind of user network, comprise at least two subscriber equipmenies and the Access Network thereof that belong to same user, also comprise:
Management entity is used to preserve the log-on message of described subscriber equipment and described subscriber equipment is carried out safety certification;
First subscriber equipment is set up when communicating by letter at needs and second subscriber equipment, by its Access Network communication request is sent to described management entity, described management entity carries out safety certification according to this communication request and the log-on message preserved to described first, second subscriber equipment, and first, second subscriber equipment is directly set up point-to-point connection behind authentication success.
Wherein, described communication request comprises the log-on message of described first subscriber equipment and the device id of described second subscriber equipment.
In this external described system, described management entity also is used for behind authentication success sending to described second subscriber equipment request message of the described communication that comprises described first customer equipment identification number, and receive the feedback information whether this second subscriber equipment accepts this request, if this second subscriber equipment is accepted this request, then this management entity generates temporary key, and this key is sent to this first, second subscriber equipment.
In this external described system, described management entity also is used for sending a notification message to described first subscriber equipment according to the feedback information of described second subscriber equipment, if this second subscriber equipment is accepted this request, then this management entity sends the affirmation message that allows this communication to this first subscriber equipment, and this first, second subscriber equipment uses described key to set up point-to-point connection.
In this external described system, described first, second subscriber equipment is positioned at same individual domain network, is undertaken alternately by same Access Network and described management entity, and described point-to-point connection is the direct connection in this individual domain network scope.
In this external described system, described first, second subscriber equipment is positioned at different individual domain networks or independently is connected with Access Network, Access Network and described management entity by separately carry out alternately, and described point-to-point connection is the long-range connection of setting up by Access Network separately.
The present invention also provides the communication means of subscriber equipment in a kind of user network, comprises following steps:
Two subscriber equipmenies that belong to same user are when needs are communicated by letter, and first subscriber equipment sends to communication request and preserves described user equipment registration management of information entity by its Access Network, and request foundation is connected with second subscriber equipment;
Described management entity carries out safety certification according to this communication request and the log-on message preserved to described first, second subscriber equipment;
Described first, second subscriber equipment is directly set up point-to-point connection behind authentication success.
Wherein, described communication request comprises the log-on message of described first subscriber equipment and the device id of described second subscriber equipment.
In this external described method, also comprise following steps:
Described first, second subscriber equipment is registered in described management entity in advance, and this management entity is preserved the log-on message of this first, second subscriber equipment.
In this external described method, also comprise following steps:
Described management entity is behind described authentication success, send the request message of the described communication that includes described first customer equipment identification number to described second subscriber equipment, when this second subscriber equipment receives this request message, return the feedback message of whether accepting this request to described management entity;
If described management entity receives the feedback message that described second subscriber equipment is accepted this request, then generate temporary key, this key is sent to described first, second subscriber equipment, and send the affirmation message that allows this communication to described first subscriber equipment;
Described first, second subscriber equipment uses described key to set up point-to-point connection.
By relatively finding, the main distinction of technical scheme of the present invention and prior art is, before two UE in the user network set up the point-to-point connection, earlier by Access Network to the safety certification of management entity request to relevant UE, only the authentication of relevant UE all by the time point-to-point just set up connect.By increasing the safety certification before connecting, prevented that illegal UE is to the unwarranted visit of UE in the user network.Management entity can also provide key to ensure data transmission safety by the UE to authentication success.
If two UE are in same individual domain network, then point-to-point connection is the direct connection in this individual domain network scope.If two UE are not in same individual domain network, then point-to-point connection is the long-range connection of setting up by Access Network separately.Because the point-to-point between two UE connects without switching center, so can save the resource of switching center when telecommunication.
Description of drawings
Fig. 1 is the schematic diagram that the UE in the same user network communicates in the prior art;
Fig. 2 is the communication system architecture figure according to UE in the user network of first embodiment of the invention;
Fig. 3 is the communication system architecture figure according to UE in the user network of second embodiment of the invention;
Fig. 4 is the communication means flow chart according to UE in the user network of third embodiment of the invention.
Embodiment
For making the purpose, technical solutions and advantages of the present invention clearer, the present invention is described in further detail below in conjunction with accompanying drawing.
Core of the present invention is, when two UE that belong to same user need communicate, by the management entity in this user network communicating pair is carried out safety certification, guarantee the legitimacy of communicating pair, and after authentication is passed through, further provide key for communicating pair, make the communicating pair safety of data transmission be protected by management entity.
Principle according to the present invention below describes the communication system of UE in the first embodiment of the invention user network.
As shown in Figure 2, the communication system of UE comprises at least two UE and the Access Network thereof that belongs to same user in the user network, and is used to preserve the log-on message of these UE and it is carried out the management entity of safety certification.Wherein, above-mentioned each UE that belongs to same user is positioned at same PAN network, and is undertaken alternately by same Access Network and its management entity.
Specifically, a plurality of UE that belong to same user in the native system register in its management entity before needs communicate in advance, and simultaneously, this management entity is preserved the log-on message of each UE that registers.Thereafter, when this user's UE1 need communicate by letter with the UE2 foundation that belongs to this user, UE1 at first sends communication request by its common Access Network A to management entity, and request communicates with UE2, comprises the log-on message of UE1 itself and the device id of UE2 in this communication request.After management entity receives this request, according to the log-on message of being preserved before UE1 and UE2 are carried out safety certification, such as, whether the log-on message of UE1 is consistent with the log-on message of being preserved in the management entity contrast communication request, judge whether the UE1 that initiates communication request is legal, and judge that according to the identification number of UE2 whether UE2 has registered, and carries out safety certification to UE1 and UE2.If authentication success, then this management entity sends the request message of communicating by letter to UE2, comprises the device id of UE1 in the request message.After UE2 received this request message, whether decision was agreed to communicate with UE1, and sends corresponding feedback information according to this decision to management entity.Management entity is judged the feedback information that receives, the request that if UE2 accepts and UE1 communicates, then management entity further is that UE1 and UE2 generate temporary key, and this key sent to UE1 and UE2 respectively, simultaneously, management entity sends to UE1 with the affirmation message that UE2 accepts this communication.UE1 and UE2 set up its direct connection in the PAN network range after receiving this key, and after connecting foundation, the temporary key that provides by management entity communicates.
The second embodiment of the invention and first execution mode are roughly the same, as shown in Figure 3, in second execution mode in the user network communication system of UE comprise at least two UE and the Access Network thereof that belongs to same user, and be used to preserve the log-on message of these UE and it is carried out the management entity of safety certification, it is distinguished each UE that belongs to same user in the system that only is second execution mode and is positioned at same PAN network, each UE is undertaken alternately by Access Network and management entity separately, and the UE both sides that need communicate set up long-range connection by Access Network separately after the safety certification success.
Such as same user has a plurality of UE, and wherein, UE1 and UE3 be not in same PAN network, and UE1 is connected with Access Network A, and UE3 is connected with Access Network B.When UE1 need communicate with UE3, UE1 sent the communication request of communicating by letter with UE3 by Access Network A to management entity, comprises the log-on message of UE1 itself and the device id of UE3 in this communication request.Management entity carries out safety certification according to request message that receives and the log-on message of being preserved to UE1 and UE3, if safety certification is successful, then sends the communication request message of the device id that comprises UE1 to UE3.UE3 is by the request message of Access Network B reception from management entity, and whether decision is agreed to communicate with UE1, and sends corresponding feedback information according to this decision to management entity.If management entity receives the feedback information that this communication is carried out in the UE3 agreement, then further be that UE1 and UE3 generate temporary key, and this key sent to UE1 and UE3 respectively that simultaneously, management entity sends to UE1 with the affirmation message that UE2 accepts this communication.UE1 and UE3 set up long-range the connection by Access Network A with Access Network B respectively after receiving this key, and after connecting foundation, communicate by this temporary key.
The communication means of UE in the third embodiment of the invention user network, as shown in Figure 4, in step 410, UE1 sends the communication request of communicating by letter with UE2 to management entity in the time need communicating with the UE2 that belongs to same user.Specifically, the UE1 and the UE2 that belong to same user can be positioned at same PAN network, also can be positioned at different PAN networks, if UE1 and UE2 are positioned at same PAN network, then UE1 sends the communication request of communicating by letter with UE2 by its common Access Network to management entity when needs communicate with UE2; If UE1 is positioned at different PAN networks with UE2, then UE1 sends the communication request of communicating by letter with UE2 by the Access Network under it to management entity when needs communicate with UE2.Wherein, comprise the log-on message of UE1 and the device id of UE2 in the communication request.
Then enter step 420, management entity carries out safety certification according to information wherein to UE1 and UE2 after receiving communication request from UE1.
Specifically, each the UE needs that belongs to same user are registered in management entity in advance, and management entity also need be preserved the log-on message of registered UE.Therefore, after management entity receives communication request from UE1, can carry out safety certification to UE1 and UE2 according to information in this communication request and the log-on message of itself preserving.
Then enter step 430, whether through safety certification management entity judges UE1 and UE2, if by would enter step 450, otherwise, if do not pass through, then enter step 440, management entity returns this communication request failure to UE1.Because only the UE both sides of needs communication all through safety certification the time, management entity just continues this this communication request, thereby has prevented that effectively illegal UE to the unwarranted visit of UE in the user network, having ensured the fail safe of communicating pair.
In step 450, UE1 and UE2 through safety certification, management entity sends the request message of communication to UE2, comprises the device id of UE1 in the request message.
Then enter step 460, UE2 receives the request message from management entity, and whether agrees to carry out this communication according to the device id decision of UE1 wherein.Equally, if UE1 and UE2 are positioned at same PAN network, then UE2 passes through the request message of its common Access Network reception from management entity, and whether decision agrees to carry out this communication; If UE1 is positioned at different PAN networks with UE2, then UE2 passes through the request message of its affiliated Access Network reception from management entity, and whether decision agrees to carry out this communication.If UE2 agrees to carry out this communication, then send the feedback message of accepting this communication to management entity, enter step 480, otherwise, then enter step 470, UE2 sends the feedback message of refusing this communication to management entity, after management entity is received this refuse information, and then this communication request failure of notice UE1.
In step 480, because UE2 agrees to communicate with UE1, so management entity is this communication generation temporary key, and this temporary key is sent to UE1 and UE2 respectively, and simultaneously, management entity sends to UE1 with the affirmation message that UE2 accepts this communication.Because this temporary key is interim the generation when UE both sides need communicate, and stronger randomness and real-time are arranged, be difficult for being cracked by illegal user, communicating pair communicates by temporary key, has ensured safety of data transmission in the communication process.
Then enter step 490, UE1 and UE2 set up point-to-point connection and communicate after receiving this temporary key.Specifically, if UE1 and UE2 are in the same PAN network, then UE both sides set up the direct connection in its PAN network range, and after connecting foundation, the temporary key that provides by management entity communicates; If UE1 and UE2 are not in the same PAN network, then UE1 sets up long-range the connection by its Access Network separately respectively with UE2, and equally after connect setting up, communicates by this temporary key.Because when carrying out telecommunication, the UE both sides of communication no longer need to have saved the resource of switching center to a great extent by switching center, and its resource can more reasonably be utilized.
Though pass through with reference to some of the preferred embodiment of the invention, the present invention is illustrated and describes, but those of ordinary skill in the art should be understood that and can do various changes to it in the form and details, and without departing from the spirit and scope of the present invention.

Claims (10)

1. the communication system of subscriber equipment in the user network comprises at least two subscriber equipmenies and the Access Network thereof that belong to same user, it is characterized in that, also comprises:
Management entity is used to preserve the log-on message of described subscriber equipment and described subscriber equipment is carried out safety certification;
First subscriber equipment is set up when communicating by letter at needs and second subscriber equipment, by its Access Network communication request is sent to described management entity, described management entity carries out safety certification according to this communication request and the log-on message preserved to described first, second subscriber equipment, and first, second subscriber equipment is directly set up point-to-point connection behind authentication success.
2. the communication system of subscriber equipment is characterized in that in the user network according to claim 1, and described communication request comprises the log-on message of described first subscriber equipment and the device id of described second subscriber equipment.
3. the communication system of subscriber equipment in the user network according to claim 1, it is characterized in that, described management entity also is used for behind authentication success sending to described second subscriber equipment request message of the described communication that comprises described first customer equipment identification number, and receive the feedback information whether this second subscriber equipment accepts this request, if this second subscriber equipment is accepted this request, then this management entity generates temporary key, and this key is sent to this first, second subscriber equipment.
4. the communication system of subscriber equipment in the user network according to claim 3, it is characterized in that, described management entity also is used for sending a notification message to described first subscriber equipment according to the feedback information of described second subscriber equipment, if this second subscriber equipment is accepted this request, then this management entity sends the affirmation message that allows this communication to this first subscriber equipment, and this first, second subscriber equipment uses described key to set up point-to-point connection.
5. according to the communication system of subscriber equipment in each described user network in the claim 1 to 4, it is characterized in that, described first, second subscriber equipment is positioned at same individual domain network, undertaken alternately by same Access Network and described management entity, described point-to-point connection is the direct connection in this individual domain network scope.
6. according to the communication system of subscriber equipment in each described user network in the claim 1 to 4, it is characterized in that, described first, second subscriber equipment is positioned at different individual domain networks or independently is connected with Access Network, Access Network and described management entity by separately carry out alternately, and described point-to-point connection is the long-range connection of setting up by Access Network separately.
7. the communication means of subscriber equipment in the user network is characterized in that, comprises following steps:
Two subscriber equipmenies that belong to same user are when needs are communicated by letter, and first subscriber equipment sends to communication request and preserves described user equipment registration management of information entity by its Access Network, and request foundation is connected with second subscriber equipment;
Described management entity carries out safety certification according to this communication request and the log-on message preserved to described first, second subscriber equipment;
Described first, second subscriber equipment is directly set up point-to-point connection behind authentication success.
8. the communication means of subscriber equipment is characterized in that in the user network according to claim 7, and described communication request comprises the log-on message of described first subscriber equipment and the device id of described second subscriber equipment.
9. the communication means of subscriber equipment is characterized in that in the user network according to claim 7, also comprises following steps:
Described first, second subscriber equipment is registered in described management entity in advance, and this management entity is preserved the log-on message of this first, second subscriber equipment.
10. the communication means of subscriber equipment is characterized in that in the user network according to claim 7, also comprises following steps:
Described management entity is behind described authentication success, send the request message of the described communication that includes described first customer equipment identification number to described second subscriber equipment, when this second subscriber equipment receives this request message, return the feedback message of whether accepting this request to described management entity;
If described management entity receives the feedback message that described second subscriber equipment is accepted this request, then generate temporary key, this key is sent to described first, second subscriber equipment, and send the affirmation message that allows this communication to described first subscriber equipment;
Described first, second subscriber equipment uses described key to set up point-to-point connection.
CNA2006100254380A 2006-04-04 2006-04-04 Communication system and its method for user's device in user's network Pending CN101051967A (en)

Priority Applications (5)

Application Number Priority Date Filing Date Title
CNA2006100254380A CN101051967A (en) 2006-04-04 2006-04-04 Communication system and its method for user's device in user's network
CNA2007800003737A CN101317390A (en) 2006-04-04 2007-04-03 Communication method and system in user network
KR1020087025794A KR101076332B1 (en) 2006-04-04 2007-04-03 Method and system for communication in user network
PCT/CN2007/001074 WO2007112692A1 (en) 2006-04-04 2007-04-03 A communication method in the user network and a system thereof
JP2009503394A JP2009532959A (en) 2006-04-04 2007-04-03 Communication method and communication system in user network

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