CN102571328B - The service calling method of user terminal, system and user terminal - Google Patents
The service calling method of user terminal, system and user terminal Download PDFInfo
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- CN102571328B CN102571328B CN201010623663.0A CN201010623663A CN102571328B CN 102571328 B CN102571328 B CN 102571328B CN 201010623663 A CN201010623663 A CN 201010623663A CN 102571328 B CN102571328 B CN 102571328B
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Abstract
The embodiment of the invention discloses a kind of service calling method of user terminal, system and user terminal.The method comprises: the service invocation request receiving user terminal, carries the authority credentials of this user terminal in this request; Verify whether this user terminal has the right to call corresponding service according to this authority credentials, when this user terminal has the right to call this service, provide this service to this user terminal.Application the present invention can improve the fail safe of userspersonal information.
Description
Technical field
The present invention relates to communication technical field, particularly relate to a kind of service calling method of user terminal, system and user terminal.
Background technology
The flourish fast development having promoted terminal equipment, particularly domestic terminal apparatus of communication technology and network, especially radio network technique.Various informative intellectuality, networking, the consumer user terminal of digitlization are dissolved in daily life.The object such as to share to realize the interconnection and interflow of all kinds of terminal equipment and ability, many normal structures and enterprise have formulated a large amount of technical standards and to develop product relevant.These schemes by formulating discovery between subscriber equipment, notice, invocation protocol realize interconnected between subscriber equipment, find, call, focus on the problem that interconnects between solution equipment.
For UPnP (UniversalPlugandPlay, UPnP) class subscriber equipment, each subscriber equipment all freely can connect and mutually call various services each other.
But along with technical development, a lot of terminal particularly home terminal except providing, video is shared, except the generic services such as picture transmission, can also provide the individual services such as payment, location, communication, medical treatment, monitoring.The identity information of these individual services and user, fund account and other personal information are closely related, when subscriber equipment and other apparatus interconnections of individual service can be provided, due to service each other freely mutually can be called between current all types of user terminal, therefore closely-related individual service arbitrarily can be called by other any subscriber equipmenies with userspersonal information, has had a strong impact on the fail safe of userspersonal information.
Summary of the invention
In view of this, the invention provides a kind of service calling method of user terminal, system and user terminal, to improve the fail safe of userspersonal information.
Technical scheme of the present invention is specifically achieved in that
A service calling method for user terminal, the method comprises:
Receive the service invocation request of user terminal, in this request, carry the authority credentials of this user terminal;
Verify whether this user terminal has the right to call corresponding service according to this authority credentials, when this user terminal has the right to call this service, provide this service to this user terminal.
A kind of service calling system, this system comprises first user terminal and the second user terminal, and first user terminal and the second user terminal belong to the same family network;
Described first user terminal, for sending service invocation request to the second user terminal, carries the authority credentials of first user terminal in this service invocation request;
Whether described second user terminal, for receiving described service invocation request, having the right to call corresponding service according to this authority credentials checking first user terminal, when first user terminal has the right to call this service, providing this service to first user terminal.
A kind of user terminal, this user terminal comprises service call control module and service providing module;
Described service call control module, for receiving service invocation request, the authority credentials of this user terminal is carried in this request, verify whether this user terminal has the right to call corresponding service according to this authority credentials, when this user terminal has the right to call this service, send to service providing module and call instruction;
Described service providing module, for when calling instruction described in receiving, provides corresponding service to the user terminal sending described service invocation request.
As seen from the above technical solution, user terminal of the present invention is when processing the service invocation request of other user terminals, whether the terminal sending this request according to the authority credentials checking of carrying in this call request has the right to call corresponding service, only this user terminal have the right to call serve accordingly time, just provide this service to this user terminal, compared with can freely being called by any other-end with the various services of user terminal in prior art, the fail safe of userspersonal information can be improved.
Accompanying drawing explanation
Fig. 1 is the scene schematic diagram calling ability each other in home network between user terminal.
Fig. 2 is the service calling method flow chart of user terminal provided by the invention.
Fig. 3 is that schematic diagram issued by the authority credentials of user terminal.
Fig. 4 is the first pass figure setting up escape way between user terminal.
Fig. 5 is the second flow chart setting up escape way between user terminal.
Fig. 6 is the service call control flow chart between user terminal.
Fig. 7 is service calling system provided by the invention composition schematic diagram.
Fig. 8 is user terminal structure figure provided by the invention.
Embodiment
For plural user terminal by communication technology network consisting, and under the scene of invocation facility service mutually, the safety problem of service call, the present invention proposes Terminal Service and calls control protocol (SCCP).
Its typical apply scene is in subscriber household, and multiple user terminal is based on WLAN, LAN of household internal or other communication technologys composition home network, and all types of user terminal calls terminal capability mutually, namely mutually calls the various services that terminal can provide.Wherein, home network refers to the network that can call terminal capability between the terminal that is made up of multiple subscriber equipment each other, does not refer in particular to the network of portion's composition within the family, the network that also can be made up of in other regions multiple user terminal.
Fig. 1 is the scene schematic diagram calling ability each other in home network between user terminal.
In Fig. 1, mobile terminal, between PC (PC) and Set Top Box, mutually can call ability each other.
Basic thought of the present invention is, each user terminal all has different level of securitys and ability calls authority, can issue relevant authority credentials, or issue corresponding authority credentials by network side to each user terminal at the Shi Weiqi that dispatches from the factory.When a certain user terminal calls the ability of other user terminals, need the authority credentials carrying self in service invocation request, whether requested user terminal carries out judging and authorization control according to requesting party's authority credentials, determine for requesting party provides corresponding service.
Fig. 2 is the service calling method flow chart of user terminal provided by the invention.
As shown in Figure 2, this flow process comprises:
Step 201, user terminal receives the service invocation request of other user terminals, carries the authority credentials of these other user terminals in this request.
Wherein, described authority credentials can be stored in advance in described user terminal, also before the described service invocation request of transmission, can be obtained, such as, obtain described authority credentials from the operation management platform of network side by described user terminal from network equipment.
In addition, in one family network internal, according to the ability of each user terminal in this home network and level of security, can determine nucleus equipment from each user terminal, then other user terminals can also obtain described authority credentials from this nucleus equipment.
Nucleus equipment wherein can be specified by user, also can give tacit consent to appointment when equipment dispatches from the factory, or by each user terminal of home network inside by ability more each other and level of security, determines according to comparative result.
According to this authority credentials, step 202, verifies whether this user terminal has the right to call corresponding service, if so, perform step 203, otherwise perform step 204.
In this step, can by receiving the user terminal of described service invocation request according to service call management strategy and this authority credentials, whether the user terminal that checking sends this service invocation request has the right to call corresponding service.Service call management strategy wherein can be stored in advance in the user terminal receiving described service invocation request, also can issue described service call management strategy by described network equipment or described nucleus equipment to the user terminal receiving described service invocation request.
This step also can complete concrete verification operation by described network equipment or described nucleus equipment, then the result is returned to requested user terminal, particularly: this authority credentials is issued described network equipment or described nucleus equipment by the user terminal receiving described service invocation request, verify whether the user terminal sending this request has the right to call corresponding service by described network equipment or described nucleus equipment according to service call management strategy and this authority credentials, the result is issued the terminal receiving described service invocation request, according to the result returned, the terminal receiving described service invocation request judges whether requesting party has the right to call corresponding service.
Step 203, provides corresponding service to these other user terminals.
Step 204, returns malloc failure malloc message to these other user terminals.
The cause value of malloc failure malloc can be carried in this failed message, such as, the reason such as have no right to call.
In order to improve fail safe further, the present invention can also set up escape way between the ues.Particularly, the process of establishing of escape way comprises: before user terminal transmitting capacity call request, send the user terminal of described service invocation request and receive the user terminal of described service invocation request and consults with described network equipment or described nucleus equipment respectively separately and the shared key of described network equipment or described nucleus equipment, and utilizing the shared key of self and described network equipment or described nucleus equipment to obtain group key from described network equipment or described nucleus equipment respectively; The user terminal sending described service invocation request and the user terminal receiving described service invocation request utilize described group key to be encrypted mutual information.
Method is visible as shown in Figure 2, and key technology point of the present invention comprises: 1. the authority credentials dissemination method of user terminal; 2. the foundation of escape way between user terminal; 3. the service call control flow between user terminal, 4. the configuration of service call control strategy, introduces below respectively in detail.
The authority credentials dissemination method of user terminal:
Fig. 3 is that schematic diagram issued by the authority credentials of user terminal.
See Fig. 3, before each user terminal dispatches from the factory, device authorization management platform according to the hardware of this user terminal or the situation such as software security grade, terminal capability, for this user terminal issues initial rights certificate, the essential information, authority information etc. of Portable device in this certificate.
After user buys terminal, according to individual demand, can dynamically update the authority information of this terminal in the home network of oneself, the result after renewal is by by being presented to corresponding terminal after the nucleus equipment certification in network equipment or home network.Nucleus equipment in home network is the equipment possessing higher-security and possess mandate ability.Nucleus equipment can give tacit consent to appointment when equipment dispatches from the factory, or user specifies, or is elected by the equipment in network.
2. the foundation of escape way between user terminal
In order to ensure the secure communication between user terminal, need to realize mutual certification between the ues and important traffic content is encrypted and integrity protection, to take precautions against eavesdropping and to distort.
Fig. 4 is the first pass figure setting up escape way between user terminal.
As shown in Figure 4, this flow process comprises:
1) device A, B first time add home network and initialization time, shared key KeyA and KeyB is set up respectively by the nucleus equipment in mechanism for code and home network, mechanism for code manually arranges password by user, or by the automated randomized method of salary distribution, or the outer mode transmitting secret information of other bands completes.
2) after equipment enters home network, mutually can be found by device discovery mechanism.
3) group key in nucleus equipment regular update present networks, and utilize broadcast or mode of unicast, can be called to the equipment group of notifications key updating service adding network.
4) the shared key KeyA consulted code with nucleus equipment before equipment utilization or KeyB and nucleus equipment set up secure connection, and to nucleus equipment request group key.
5) nucleus equipment utilizes the shared key KeyA between device A to be encrypted group key, and the group key after encryption is issued device A, utilizes the shared key KeyB between equipment B to be encrypted group key, the group key after encryption is issued equipment B.
6) when mutually calling critical capability between device A and equipment B, group key is utilized to be encrypted interactive information, to protect the confidentiality and integrity of interaction message.
Fig. 5 is the second flow chart setting up escape way between user terminal.
Flow process shown in Fig. 5 is applied to the scene not having nucleus equipment in family's network internal, and as shown in Figure 5, this flow process comprises:
1) device A, B first time add home network and initialization time, set up shared key KeyA and KeyB with network equipment respectively.
2) after equipment enters home network, mutually can be found by device discovery mechanism.
3) the common component devices group of device A, equipment B and network equipment.
4) network equipment group cipher key generating.
5) the shared key KeyA that generates with network equipment before utilizing respectively of device A and equipment B or KeyB and network equipment set up secure connection, and to network equipment request group key.
6) network equipment utilizes the shared key KeyA between device A to be encrypted group key, group key after encryption is issued device A, utilize the shared key KeyB between equipment B to be encrypted group key, the group key after encryption is issued equipment B.
7) when mutually calling critical capability between device A and equipment B, group key is utilized to be encrypted interactive information, to protect the confidentiality and integrity of interaction message.
3. the service call control flow between user terminal:
Fig. 6 is the service call control flow chart between user terminal.
As shown in Figure 6, this flow process comprises:
1), when terminal applies needs to call other equipment critical capabilities, send call request to local SCCP module, carry called device address, call COS, call request content.
2) SCCP module initiates connection request to the SCCP module of called equipment (i.e. terminal B), uses group key to set up secure connection.
3) the SCCP module of terminal A initiates call request to the SCCP module of terminal B, the authority credentials of carried terminal A and request content, if do not store authority credentials in terminal A, then terminal A obtains authority credentials to the nucleus equipment of network equipment or terminal A and home network inside, terminal B place.
4) authority credentials of the SCCP module verification requesting party of called equipment.
In this step, whether the service call management strategy that terminal B can store according to this locality has the right to call corresponding service to terminal A is verified, the service invocation request of terminal A also can be transmitted to described network equipment or described nucleus equipment by terminal B, concrete verification operation is performed by this network equipment or this nucleus equipment, then the result is returned to terminal B, according to the result returned, terminal B judges whether terminal A has the right to call corresponding service.
5) if terminal B judges that the service invocation request of terminal A is legal, namely have the right to call corresponding service, then the service invocation request of terminal A is given to local service by the SCCP module of terminal B provides module, and response contents is passed to the application (namely applying A) of requesting party by the SCCP module of requesting party (i.e. terminal A).
4. service call control strategy management
Service call control strategy on each user terminal is the access control policy formulated for service distinctive in this terminal, this strategy can by network operator when user terminal dispatches from the factory, formulate according to the certain capabilities that user terminal possesses and be preset in the SCCP module of terminal, also can after user terminal be installed and used, pass through NMP, initiatively terminal is handed down to online by network equipment, also this user terminal can be initiatively handed down to by the nucleus equipment of home network inside, user terminal place, or initiatively obtain described service call control strategy from described network equipment or described nucleus equipment by this user terminal.
User also can within the specific limits, self-defined service call strategy, and this strategy defines through network side certification and is issued in terminal equipment.
According to said method provided by the invention, present invention also offers a kind of service calling system and user terminal, specifically refer to Fig. 7-Fig. 8.
Fig. 7 is service calling system provided by the invention composition schematic diagram.
As shown in Figure 7, this system comprises first user terminal 701 and the second user terminal 702, and first user terminal 701 and the second user terminal 702 belong to the same family network.
First user terminal 701, for sending service invocation request to the second user terminal 702, carries the authority credentials of first user terminal 701 in this service invocation request.
Whether the second user terminal 702, for receiving described service invocation request, having the right to call corresponding service according to this authority credentials checking first user terminal, when first user terminal 701 has the right to call this service, providing this service to first user terminal 701.
This system can also comprise the nucleus equipment of network equipment or first user equipment and the second home network inside, subscriber equipment place, then correspondingly:
Second user terminal 702, for this authority credentials is issued described network equipment or described nucleus equipment, receive the result that described network equipment or described nucleus equipment return, when first user terminal 701 has the right to call this service, provide this service to first user terminal 701.
Whether described network equipment or described nucleus equipment, for receiving the authority credentials that the second user terminal 702 is sent, having the right to call corresponding service according to this authority credentials checking first user terminal 701, the result being returned to the second user terminal 702.
First user terminal 701 and the second user terminal 702 can be consulted separately and the shared key of described network equipment or described nucleus equipment with the nucleus equipment of network equipment or first user terminal and the second home network inside, user terminal place respectively, and utilizing the shared key of self and described network equipment or described nucleus equipment to obtain group key from described network equipment or described nucleus equipment respectively, first user terminal 701 and the second user terminal 702 utilize described group key to be encrypted mutual information.
Fig. 8 is user terminal structure figure provided by the invention.
As shown in Figure 8, this user terminal comprises service call control module 801 and service providing module 802.
Service call control module 801, for receiving service invocation request, the authority credentials of this user terminal is carried in this request, verify whether this user terminal has the right to call corresponding service according to this authority credentials, when this user terminal has the right to call this service, send to service providing module 802 and call instruction.
Service providing module 802, for when calling instruction described in receiving, provides corresponding service to the user terminal sending described service invocation request.
Service call control module 801 can comprise receiving element, Policy storage unit and the first authentication unit.
Described receiving element, for receiving service invocation request, carries the authority credentials of this user terminal in this request.
Described Policy storage unit, calls management strategy for stores service.
Described first authentication unit, for according to service call management strategy and this authority credentials, whether the user terminal that checking sends this service invocation request has the right to call corresponding service, when this user terminal has the right to call this service, sends call instruction to service providing module.
Or service call control module 801 comprises receiving element and the second authentication unit.
Described receiving element, for receiving service invocation request, carries the authority credentials of user terminal in this request.
Described second authentication unit, for this authority credentials being issued the nucleus equipment of network equipment or this home network inside, user terminal place, receive the result that described network equipment or described nucleus equipment return, when this user terminal has the right to call this service, send to service providing module and call instruction.
Wherein, whether described the result according to service call management strategy and this authority credentials by described network equipment or described nucleus equipment, is had the right to call corresponding service to the user terminal sending this service invocation request and is carried out checking and obtain.
Method provided by the invention, system and equipment have following advantage:
1. guarantee the fail safe that terminal capability calls, guarantee the manageability of user to service call, utilize the present invention, multiple user terminal can share respective professional ability safely, forms powerful virtual terminal.
2. between user terminal, dynamic upgrades group key, and utilizes group key certification secure communication mutually.
3. the ability delegated strategy of user terminal is formulated according to capabilities might, demand for security by network side, make network side can carry out fine-grained management and operation to the service call of equipment room in subscriber household network or personal network, guarantee service security, controlled, open.And allow user's personalized definition in the scope of safety.
The foregoing is only preferred embodiment of the present invention, not in order to limit the present invention, within the spirit and principles in the present invention all, any amendment made, equivalent replacement, improvement etc., all should be included within the scope of protection of the invention.
Claims (6)
1. a service calling method for user terminal, is characterized in that, the method comprises:
Receive the service invocation request of user terminal, the authority credentials of this user terminal is carried in this request, described authority credentials comprises: to dispatch from the factory the authority credentials that Shi Weiqi issues or the authority credentials issued to described user terminal by network side at described user terminal;
Verify whether this user terminal has the right to call corresponding service according to this authority credentials, when this user terminal has the right to call this service, provide this service to this user terminal;
Verify whether this user terminal is had the right to call corresponding service and comprised according to this authority credentials:
The nucleus equipment of network equipment or this home network inside, user terminal place issued by this authority credentials by the user terminal receiving described service invocation request, verify whether the user terminal sending this request has the right to call corresponding service by described network equipment or described nucleus equipment according to service call management strategy and this authority credentials, the result is issued the terminal receiving described service invocation request, when being verified, the terminal receiving described service invocation request provides corresponding service to the terminal sending described request.
2. method according to claim 1, it is characterized in that, described authority credentials is stored in advance in described user terminal, or before the described service invocation request of transmission, is obtained from the nucleus equipment of network equipment or this home network inside, user terminal place by described user terminal.
3. the method according to the arbitrary claim of claim 1 to 2, is characterized in that,
Before receiving the service invocation request of user terminal, the method also comprises: the user terminal sending described service invocation request and the user terminal receiving described service invocation request are consulted separately and the shared key of described network equipment or described nucleus equipment with the nucleus equipment of network equipment or this home network inside, user terminal place respectively, and utilizes the shared key of self and described network equipment or described nucleus equipment to obtain group key from described network equipment or described nucleus equipment respectively;
The user terminal sending described service invocation request and the user terminal receiving described service invocation request utilize described group key to be encrypted mutual information.
4. a service calling system, is characterized in that, this system comprises first user terminal and the second user terminal, and first user terminal and the second user terminal belong to the same family network;
Described first user terminal, for sending service invocation request to the second user terminal, the authority credentials of first user terminal is carried in this service invocation request, the authority credentials of described first user terminal comprises: to dispatch from the factory the authority credentials that Shi Weiqi issues or the authority credentials issued to described first user terminal by network side in described first user terminal;
Whether described second user terminal, for receiving described service invocation request, having the right to call corresponding service according to this authority credentials checking first user terminal, when first user terminal has the right to call this service, providing this service to first user terminal; This system also comprises the nucleus equipment of network equipment or first user equipment and the second home network inside, subscriber equipment place;
Described second user terminal, for this authority credentials is issued described network equipment or described nucleus equipment, receive the result that described network equipment or described nucleus equipment return, when first user terminal has the right to call this service, provide this service to first user terminal;
Whether described network equipment or described nucleus equipment, for receiving the authority credentials that the second user terminal is sent, having the right to call corresponding service according to this authority credentials checking first user terminal, the result being returned to the second user terminal.
5. system according to claim 4, is characterized in that,
First user terminal and the second user terminal consult the shared key separately with described network equipment or described nucleus equipment respectively with the nucleus equipment of network equipment or first user terminal and the second home network inside, user terminal place, and utilize the shared key of self and described network equipment or described nucleus equipment to obtain group key from described network equipment or described nucleus equipment respectively;
First user terminal and the second user terminal utilize described group key to be encrypted mutual information.
6. a user terminal, is characterized in that, this user terminal comprises service call control module and service providing module;
Described service call control module, for receiving service invocation request, the authority credentials of this user terminal is carried in this request, verify whether this user terminal has the right to call corresponding service according to this authority credentials, when this user terminal has the right to call this service, send to service providing module and call instruction, the authority credentials of described user terminal comprises: to dispatch from the factory the authority credentials that Shi Weiqi issues or the authority credentials issued to described user terminal by network side at described user terminal;
Described service providing module, for when calling instruction described in receiving, provides corresponding service to the user terminal sending described service invocation request;
Described service call control module comprises receiving element and the second authentication unit;
Described receiving element, for receiving service invocation request, carries the authority credentials of user terminal in this request;
Described second authentication unit, for this authority credentials being issued the nucleus equipment of network equipment or this home network inside, user terminal place, receive the result that described network equipment or described nucleus equipment return, when this user terminal has the right to call this service, send to service providing module and call instruction;
Wherein, whether described the result according to service call management strategy and this authority credentials by described network equipment or described nucleus equipment, is had the right to call corresponding service to the user terminal sending this service invocation request and is carried out checking and obtain.
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| CN104104562B (en) * | 2013-04-01 | 2018-07-13 | 华为技术有限公司 | Method, client, server and the system of signaling are transmitted in home network |
| CN104735033A (en) * | 2013-12-24 | 2015-06-24 | 广东美的制冷设备有限公司 | Household appliance and authorization control method thereof |
| CN105516070B (en) * | 2014-09-30 | 2019-01-11 | 华为技术有限公司 | A kind of method and device that Service Ticket substitutes |
| CN109120697A (en) * | 2018-08-20 | 2019-01-01 | 常州信息职业技术学院 | A kind of service calling method and device based on network communication |
| CN109547444B (en) * | 2018-11-28 | 2021-01-05 | 腾讯科技（深圳）有限公司 | Virtual object acquisition method and device and electronic equipment |
| CN117081765A (en) * | 2022-05-10 | 2023-11-17 | 中国移动通信有限公司研究院 | Access method of first platform, system and storage medium |
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| CN1599484A (en) * | 2003-09-19 | 2005-03-23 | 华为技术有限公司 | Group system group key managing method |
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| CN101754190A (en) * | 2008-12-19 | 2010-06-23 | Tcl集团股份有限公司 | Method for establishing equipment secure access |
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| CN1599484A (en) * | 2003-09-19 | 2005-03-23 | 华为技术有限公司 | Group system group key managing method |
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