CN105392112A - MTC device information protection method, device and system - Google Patents
MTC device information protection method, device and system Download PDFInfo
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- CN105392112A CN105392112A CN201510857806.7A CN201510857806A CN105392112A CN 105392112 A CN105392112 A CN 105392112A CN 201510857806 A CN201510857806 A CN 201510857806A CN 105392112 A CN105392112 A CN 105392112A
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- mtc device
- identification information
- applications
- scef
- registration table
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W12/00—Security arrangements; Authentication; Protecting privacy or anonymity
- H04W12/02—Protecting privacy or anonymity, e.g. protecting personally identifiable information [PII]
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
- H04W4/70—Services for machine-to-machine communication [M2M] or machine type communication [MTC]
Abstract
The invention relates to the data protection technology, more particularly to an MTC device information protection method, device and system. The method comprises the steps in which, an SCEF receives a transmitted request message for MTC device information by an external application, the request message containing identification information of the external application and identification information of an MTC device; the SCEF acquires a registration table corresponding to the identification information of the external application and determines whether the registration table contains the identification information of the MTC device, the registration table containing identification information of the MTC device allowing the external application to acquire information; if the registration table contains the identification information of the MTC device, the SCEF transmits an information acquisition request message to the MTC device; and the SCEF receives the transmitted acquisition response message containing MTC device information by the MTC device, and transmits the MTC device information to the external application. The invention can achieve effective protection of the MTC device information.
Description
Technical field
The present invention relates to Data Protection Technologies, particularly relate to the guard method of a kind of MTC (MachineTypeCommunication, machine type communication) facility information, equipment and system.
Background technology
Communication in future communications network by more based on equipment and equipment, communication between equipment and data center.More and more cheap memory technology will make people and equipment obtain magnanimity information becomes possibility.Along with the development of chip processing capabilities and real-time online technology, equipment will become the Primary Actor in future mobile communications, machine to machine communication refers to application communication technology, realizes machine and machine, the general name of data communication and a series of technology exchanged and combination thereof between machine with people.
In MTC communication system, Virtual network operator can externally be applied supplier and provide value added service.These value-added services can be passed through SCEF (ServiceCapabilityExposureFunction, opening service capability functional entity) and be supplied to applications use.In addition, various inside and outside business can also combine with the network capabilities of operator by operator, and the participant for MTC service provides various API (ApplicationProgrammingInterface, application programming interface) to serve.
Under opening service capability framework, SCEF needs to manage the security association between applications and MTC device, thus ensures the applications only having mandate, just can obtain the information of specific MTC device.In MTC system, MTC device is generally used for specific application, and therefore, MTC device often associates with specific applications.The applications of a specific application area can only obtain the information of the mandate MTC device in this application.But in actual use, a mandate applications through certification may obtain the information of unauthorized MTC device intentionally.This can constitute a threat to the safety of other MTC device in MTC system.
Summary of the invention
Embodiments provide a kind of guard method of MTC device information, equipment and system, to realize the available protecting to MTC device information.
First aspect, embodiments provides a kind of guard method of MTC device information, and described method comprises under being applied to opening service capability framework in the MTC communication system of MTC device, and described method comprises:
Opening service capability functional entity SCEF receives the request message of the acquisition MTC device information that applications sends, and comprises the identification information of described applications and the identification information of described MTC device in described request message;
Described SCEF obtains the registration table corresponding with the identification information of described applications, and determines the identification information whether comprising described MTC device in described registration table, comprises the identification information of the MTC device allowing described applications obtaining information in described registration table;
If comprise the identification information of described MTC device in described registration table, then described SCEF sends information acquisition request message to described MTC device;
Described SCEF receives the acquisition response message comprising described MTC device information that described MTC device sends, and described MTC device information is sent to described applications.
Optionally, described method also comprises:
If do not comprise the identification information of described MTC device in described registration table, then described SCEF sends to described applications the response message that the described applications of refusal obtains described MTC device information.
Optionally, described SCEF also comprises before receiving the request message of the acquisition MTC device information that applications sends:
Described SCEF receives the checking notification message that core net certification entity sends, and comprises the identification information of the applications be verified in described checking notification message;
Described SCEF sets up the registration table corresponding with the identification information of the described applications be verified;
It is mutual that described SCEF and described MTC device carry out registration, determines the applications that described MTC device allows, and in registration table corresponding to the identification information identification information of described MTC device being added to the applications of described permission.
Optionally, it is mutual that described SCEF and described MTC device carry out registration, determines the applications that described MTC device allows, and in registration table corresponding to the identification information identification information of described MTC device being added to the applications of described permission, comprising:
Described SCEF receives the login request message that described MTC device sends after access network, comprises the identification information of the applications that the identification information of described MTC device and described MTC device allow in described login request message;
Described SCEF verifies described login request message, and after being verified, and is added to by the identification information of the MTC device comprised in described login request message in registration table corresponding to the identification information of the applications that described MTC device allows.
Optionally, described method also comprises:
Described SCEF receives registration table deletion request message, comprises the identification information of the identification information of applications and the MTC device of required deletion in described registration table deletion request message;
Described SCEF carries out legitimacy certification in the source to described registration table deletion request message, after certification is passed through, deletes the identification information of described required MTC device of deleting from the registration table corresponding with the identification information of described applications.
Second aspect, embodiments provides a kind of SCEF, and described SCEF comprises under being applied to opening service capability framework in the MTC communication system of MTC device, and described SCEF comprises:
Receiver module, for receiving the request message of the acquisition MTC device information that applications sends, comprises the identification information of described applications and the identification information of described MTC device in described request message;
Secure processing module, for obtaining the registration table corresponding with the identification information of described applications, and determine the identification information whether comprising described MTC device in described registration table, comprise the identification information of the MTC device allowing described applications obtaining information in described registration table;
Respond module, if the identification information for comprising described MTC device in described registration table, then described SCEF sends information acquisition request message to described MTC device; Receive the acquisition response message comprising described MTC device information that described MTC device sends, and described MTC device information is sent to described applications.
Optionally, described respond module, also for:
If do not comprise the identification information of described MTC device in described registration table, then described SCEF sends to described applications the response message that the described applications of refusal obtains described MTC device information.
Optionally, described secure processing module, also for:
Receive the request message of the acquisition MTC device information that applications sends at described receiver module before, receive the checking notification message that core net certification entity sends, in described checking notification message, comprise the identification information of the applications be verified; Set up the registration table corresponding with the identification information of the described applications be verified; To carry out registration mutual with described MTC device, determines the applications that described MTC device allows, and in registration table corresponding to the identification information identification information of described MTC device being added to the applications of described permission.
Optionally, described secure processing module, specifically for:
Receive the login request message that described MTC device sends after access network, in described login request message, comprise the identification information of the applications that the identification information of described MTC device and described MTC device allow;
Described login request message to be verified, and after being verified, the identification information of the MTC device comprised in described login request message is added in registration table corresponding to the identification information of the applications that described MTC device allows.
Optionally, described secure processing module, also for:
Receive registration table deletion request message, in described registration table deletion request message, comprise the identification information of the identification information of applications and the MTC device of required deletion;
Legitimacy certification is carried out to the source of described registration table deletion request message, after certification is passed through, from the registration table corresponding with the identification information of described applications, deletes the identification information of described required MTC device of deleting.
The third aspect, embodiments provides a kind of communication system, comprising: applications, at least one MTC device, core net certification entity and the SCEF according to any one of claim 6 ~ 9.
In the guard method of the MTC device information that the embodiment of the present invention provides, equipment and system; when SCEF receives the request of applications acquisition MTC device information; by verifying whether the MTC device information that it is asked is allowed to obtain with the registration table corresponding to this applications; if; then MTC externally applies the MTC device information that feedback applications is asked; effectively prevent the MTC device information of authorizing applications illegally to obtain not allow it to conduct interviews, thus can realize effectively protecting MTC device information.
Accompanying drawing explanation
Fig. 1 shows the flow chart of the guard method of embodiment of the present invention MTC device information;
Fig. 2 shows and sets up registration table process flow diagram to the applications by core network entity certification;
The identification information that Fig. 3 shows MTC device is added into the process flow diagram of applications registration table;
Fig. 4 shows the process flow diagram deleting MTC device identification information in registration table;
Fig. 5 shows the structural representation of SCEF in the embodiment of the present invention;
Fig. 6 shows the structural representation of communication system in the embodiment of the present invention.
Embodiment
For making the object of the embodiment of the present invention, technical scheme and advantage clearly, below in conjunction with the accompanying drawing in the embodiment of the present invention, technical scheme in the embodiment of the present invention is clearly and completely described, obviously, described embodiment is the present invention's part embodiment, instead of whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art, not making the every other embodiment obtained under creative work prerequisite, belong to the scope of protection of the invention.
In MTC communication system, be difficult to the situation that the meeting avoided exists the MTC device information of having authorized applications illegally to obtain not allow it to conduct interviews.In order to protect the safety of MTC device information, adoptable method comprises: if SCEF is the core net network entity in MTC communication system, then adopt NDS (NetworkDataService, network data services)/IP (InternetProtocol, interconnection protocol between network) security mechanism; If SCEF does not belong to the core net network entity in MTC communication system, then adopt Tsp (TelematicsServiceProvider, Content Service Provider) interface security mechanism or MB2 interface security mechanism.In MTC system, MTC device substantial amounts, and the change of MTC device Number dynamics, have a large amount of MTC device to add at any time or exit MTC service.This makes network need at substantial resource management and safeguard MTC device and applications.If SCEF directly can process the request that applications obtains MTC device information, then can effectively reduction network signal flow, thus effectively reduce the generation of network congestion.How to design the Networking Solutions & provisioned for MTC device information protection, making SCEF directly can process the request of applications acquisition MTC device information, is the technical problem being badly in need of at present solving.
In order to solve the problem, in the embodiment of the present invention, provide the specific implementation of MTC device information protection, be described in detail below with reference to the guard method of accompanying drawing to MTC device information of the present invention.
Fig. 1 shows the flow chart of the guard method of embodiment of the present invention MTC device information, and the method comprises in the MTC communication system of MTC device under being applied to opening service capability framework, and main processing steps comprises:
The request message of the acquisition MTC device information that step S11: opening service capability functional entity SCEF reception applications sends, comprises the identification information of applications and the identification information of MTC device in request message;
Step S12:SCEF obtains the registration table corresponding with the identification information of applications, and determines the identification information whether comprising MTC device in registration table, comprises the identification information of the MTC device allowing applications obtaining information in registration table;
Step S13: if comprise the identification information of MTC device in registration table, then SCEF sends information acquisition request message to MTC device;
Step S14:SCEF receives the acquisition response message comprising MTC device information that MTC device sends, and MTC device information is sent to applications.
In the above-mentioned methods, if do not comprise the identification information of MTC device in registration table, then SCEF externally applies and sends the response message that refusal applications obtains MTC device information.
In the said method of the embodiment of the present invention, SCEF also sets up the process of registration table to the applications by core network entity certification before receiving the request message of the acquisition MTC device information that applications sends.
In the embodiment of the present invention, core net certification entity carries out certification to applications, for the applications by certification, sets up the registration table identified by this applications identity information at SCEF.Registration table is made up of MTC device identify label.Registration table can be an empty table, when registration table is empty table, represents that the applications belonging to it can not obtain the information of any MTC device.
In the embodiment of the present invention, core net certification entity can be any network entity that may be used for certification applications in core net, as, can be MME (MobilityManagementEntity, Mobility Management Entity), SGSN (ServingGPRSSupportNode, GPRS serving GPRS support node), HSS (HomeSubscriberServer, home signature user server), MTC-IWF (MTC-InteractiveWebsiteFramework, MTC-interactive site framework) or MTC service management platform
Fig. 2 shows and sets up registration table process flow diagram to the applications by core network entity certification, comprising:
Step S21: core net certification entity carries out certification to applications.
Step S22:SCEF receives the checking notification message that core net certification entity sends, and comprises the identification information of the applications be verified in checking notification message.
Step S23:SCEF sets up the registration table corresponding with the identification information of the applications be verified.
It is mutual that step S24:SCEF and MTC device carry out registration, determines the applications that MTC device allows, and in registration table corresponding to the identification information identification information of MTC device being added to the applications of permission.
In the present invention, after MTC device access network, need to register at SCEF, MTC device sets up the security association between applications by registration process.Concrete registration process as shown in Figure 3, comprising:
Optionally, it is mutual that SCEF and MTC device carry out registration, determines the applications that MTC device allows, and in registration table corresponding to the identification information identification information of MTC device being added to the applications of permission, comprise as shown in Figure 3:
Step S31:SCEF receives the login request message that sends after access network of MTC device, comprises the identification information of the applications that the identification information of MTC device and MTC device allow in login request message.
Step S32:SCEF verifies login request message.
Step S33: after MTC device is verified, adds to the identification information of the MTC device comprised in login request message in registration table corresponding to the identification information of the applications that MTC device allows.
Step S34:SCEF is to MTC device feedback authenticate-acknowledge message.
In the embodiment of the present invention, the registration table of applications can be managed by MTC user or operator.As required, the specific MTC device identification information in registration table can be deleted by SCEF.Concrete delete procedure as shown in Figure 4, comprising:
Step S41:SCEF receives the registration table deletion request message that MTC user sends, and comprises the identification information of the identification information of applications and the MTC device of required deletion in registration table deletion request message;
Step S42:SCEF carries out legitimate verification to the source of registration table deletion request message;
Step S43: after being verified, deletes the identification information of required MTC device of deleting and upgrades the registration table of this applications from the registration table corresponding with the identification information of applications.
Step S44:SCEF sends feeding back confirmation message to MTC user.
Fig. 5 shows the structural representation of SCEF in the embodiment of the present invention, and SCEF comprises in the MTC communication system of MTC device under being applied to opening service capability framework, and SCEF comprises:
Receiver module 51, for receiving the request message of the acquisition MTC device information that applications sends, comprises the identification information of applications and the identification information of MTC device in request message;
Secure processing module 52, for obtaining the registration table corresponding with the identification information of applications, and determines the identification information whether comprising MTC device in registration table, comprises the identification information of the MTC device allowing applications obtaining information in registration table;
Respond module 53, if the identification information for comprising MTC device in registration table, then SCEF sends information acquisition request message to MTC device; Receive the acquisition response message comprising MTC device information that MTC device sends, and MTC device information is sent to applications.
In the above-described embodiments, respond module 53, also for:
If comprise the identification information of MTC device in registration table, then SCEF externally applies and sends the response message that refusal applications obtains MTC device information.
In the above-described embodiments, secure processing module 52, also for:
Receive the request message of the acquisition MTC device information that applications sends at receiver module 51 before, receive the checking notification message that core net certification entity sends, in checking notification message, comprise the identification information of the applications be verified; Set up the registration table corresponding with the identification information of the applications be verified; To carry out registration mutual with MTC device, determines the applications that MTC device allows, and in registration table corresponding to the identification information identification information of MTC device being added to the applications of permission.
In the above-described embodiments, secure processing module 52, specifically for:
Receive the login request message that sends after access network of MTC device, in login request message, comprise the identification information of the applications that the identification information of MTC device and MTC device allow;
Login request message to be verified, and after being verified, the identification information of the MTC device comprised in login request message is added in registration table corresponding to the identification information of the applications that MTC device allows.
In the above-described embodiments, secure processing module 52, also for:
Receive registration table deletion request message, in registration table deletion request message, comprise the identification information of the identification information of applications and the MTC device of required deletion;
Legitimacy certification is carried out to the source of registration table deletion request message, after certification is passed through, from the registration table corresponding with the identification information of applications, deletes the identification information of required MTC device of deleting.
Fig. 6 shows the structural representation of communication system in the embodiment of the present invention, comprising: applications 7, at least one MTC device 9, core net certification entity 6 and the SCEF8 described in the various embodiments described above.
One of ordinary skill in the art will appreciate that: all or part of step realizing above-mentioned each embodiment of the method can have been come by the hardware that program command is relevant.Aforesaid program can be stored in a computer read/write memory medium.This program, when performing, performs the step comprising above-mentioned each embodiment of the method; And aforesaid storage medium comprises: ROM, RAM, magnetic disc or CD etc. various can be program code stored medium.
Last it is noted that above each embodiment is only in order to illustrate technical scheme of the present invention, be not intended to limit; Although with reference to foregoing embodiments to invention has been detailed description, those of ordinary skill in the art is to be understood that: it still can be modified to the technical scheme described in foregoing embodiments, or carries out equivalent replacement to wherein some or all of technical characteristic; And these amendments or replacement, do not make the essence of appropriate technical solution depart from the scope of various embodiments of the present invention technical scheme.
Claims (11)
1. a guard method for Machine Type MTC device information, is characterized in that, described method comprises under being applied to opening service capability framework in the MTC communication system of MTC device, and described method comprises:
Opening service capability functional entity SCEF receives the request message of the acquisition MTC device information that applications sends, and comprises the identification information of described applications and the identification information of described MTC device in described request message;
Described SCEF obtains the registration table corresponding with the identification information of described applications, and determines the identification information whether comprising described MTC device in described registration table, comprises the identification information of the MTC device allowing described applications obtaining information in described registration table;
If comprise the identification information of described MTC device in described registration table, then described SCEF sends information acquisition request message to described MTC device;
Described SCEF receives the acquisition response message comprising described MTC device information that described MTC device sends, and described MTC device information is sent to described applications.
2. method according to claim 1, is characterized in that, also comprises:
If do not comprise the identification information of described MTC device in described registration table, then described SCEF sends to described applications the response message that the described applications of refusal obtains described MTC device information.
3. method according to claim 1, is characterized in that, described SCEF also comprises before receiving the request message of the acquisition MTC device information that applications sends:
Described SCEF receives the checking notification message that core net certification entity sends, and comprises the identification information of the applications be verified in described checking notification message;
Described SCEF sets up the registration table corresponding with the identification information of the described applications be verified;
It is mutual that described SCEF and described MTC device carry out registration, determines the applications that described MTC device allows, and in registration table corresponding to the identification information identification information of described MTC device being added to the applications of described permission.
4. method according to claim 3, it is characterized in that, it is mutual that described SCEF and described MTC device carry out registration, determine the applications that described MTC device allows, and in registration table corresponding to the identification information identification information of described MTC device being added to the applications of described permission, comprising:
Described SCEF receives the login request message that described MTC device sends after access network, comprises the identification information of the applications that the identification information of described MTC device and described MTC device allow in described login request message;
Described SCEF verifies described login request message, and after being verified, and is added to by the identification information of the MTC device comprised in described login request message in registration table corresponding to the identification information of the applications that described MTC device allows.
5. the method according to any one of Claims 1 to 4, is characterized in that, also comprises:
Described SCEF receives registration table deletion request message, comprises the identification information of the identification information of applications and the MTC device of required deletion in described registration table deletion request message;
Described SCEF carries out legitimacy certification in the source to described registration table deletion request message, after certification is passed through, deletes the identification information of described required MTC device of deleting from the registration table corresponding with the identification information of described applications.
6. a SCEF, is characterized in that, described SCEF comprises under being applied to opening service capability framework in the MTC communication system of MTC device, and described SCEF comprises:
Receiver module, for receiving the request message of the acquisition MTC device information that applications sends, comprises the identification information of described applications and the identification information of described MTC device in described request message;
Secure processing module, for obtaining the registration table corresponding with the identification information of described applications, and determine the identification information whether comprising described MTC device in described registration table, comprise the identification information of the MTC device allowing described applications obtaining information in described registration table;
Respond module, if the identification information for comprising described MTC device in described registration table, then described SCEF sends information acquisition request message to described MTC device; Receive the acquisition response message comprising described MTC device information that described MTC device sends, and described MTC device information is sent to described applications.
7. SCEF according to claim 6, is characterized in that, described respond module, also for:
If do not comprise the identification information of described MTC device in described registration table, then described SCEF sends to described applications the response message that the described applications of refusal obtains described MTC device information.
8. SCEF according to claim 6, is characterized in that, described secure processing module, also for:
Receive the request message of the acquisition MTC device information that applications sends at described receiver module before, receive the checking notification message that core net certification entity sends, in described checking notification message, comprise the identification information of the applications be verified; Set up the registration table corresponding with the identification information of the described applications be verified; To carry out registration mutual with described MTC device, determines the applications that described MTC device allows, and in registration table corresponding to the identification information identification information of described MTC device being added to the applications of described permission.
9. SCEF according to claim 8, is characterized in that, described secure processing module, specifically for:
Receive the login request message that described MTC device sends after access network, in described login request message, comprise the identification information of the applications that the identification information of described MTC device and described MTC device allow;
Described login request message to be verified, and after being verified, the identification information of the MTC device comprised in described login request message is added in registration table corresponding to the identification information of the applications that described MTC device allows.
10. the SCEF according to any one of claim 6 ~ 9, is characterized in that, described secure processing module, also for:
Receive registration table deletion request message, in described registration table deletion request message, comprise the identification information of the identification information of applications and the MTC device of required deletion;
Legitimacy certification is carried out to the source of described registration table deletion request message, after certification is passed through, from the registration table corresponding with the identification information of described applications, deletes the identification information of described required MTC device of deleting.
11. 1 kinds of communication systems, is characterized in that, comprising: applications, at least one MTC device, core net certification entity and the SCEF according to any one of claim 6 ~ 9.
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| CN201510857806.7A CN105392112B (en) | 2015-11-30 | 2015-11-30 | Guard method, equipment and the system of MTC device information |
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| CN201510857806.7A CN105392112B (en) | 2015-11-30 | 2015-11-30 | Guard method, equipment and the system of MTC device information |
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| WO2017202194A1 (en) * | 2016-05-25 | 2017-11-30 | 中兴通讯股份有限公司 | Connection establishment method, scef entity, mme, and computer storage medium |
| WO2017202305A1 (en) * | 2016-05-26 | 2017-11-30 | 中兴通讯股份有限公司 | Connection management method for small data transmission, scef entity, mme, and ue |
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| CN105392112B (en) | 2018-10-19 |
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