CN111866829A - Direct communication method for authorizing 5GD2D service through NFC - Google Patents
Direct communication method for authorizing 5GD2D service through NFC Download PDFInfo
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- CN111866829A CN111866829A CN202010582052.XA CN202010582052A CN111866829A CN 111866829 A CN111866829 A CN 111866829A CN 202010582052 A CN202010582052 A CN 202010582052A CN 111866829 A CN111866829 A CN 111866829A
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- 238000004891 communication Methods 0.000 title claims abstract description 76
- 238000000034 method Methods 0.000 title claims abstract description 18
- 238000013475 authorization Methods 0.000 claims abstract description 51
- 230000003993 interaction Effects 0.000 claims description 38
- 230000001360 synchronised effect Effects 0.000 claims description 4
- 230000002452 interceptive effect Effects 0.000 abstract description 2
- 238000005516 engineering process Methods 0.000 description 6
- 238000010586 diagram Methods 0.000 description 3
- 238000012986 modification Methods 0.000 description 2
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- 230000009286 beneficial effect Effects 0.000 description 1
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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
- H04W4/80—Services using short range communication, e.g. near-field communication [NFC], radio-frequency identification [RFID] or low energy communication
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W12/00—Security arrangements; Authentication; Protecting privacy or anonymity
- H04W12/06—Authentication
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W76/00—Connection management
- H04W76/10—Connection setup
- H04W76/14—Direct-mode setup
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Abstract
The invention provides a method for authorizing 5GD2D service direct communication through NFC, which is mainly characterized in that NFC equipment is deployed in a specific scene, specific D2D authorization information is stored in the NFC equipment, when a D2D terminal enters the specific scene, after the authorization information is exchanged through the NFC equipment, the D2D direct communication with an interactive server can be completed through an authorized D2D terminal, and in addition, direct communication can be performed among all D2D terminals in the scene, which are encrypted and decrypted through D2D authorization information. Through the scheme of the invention, D2D direct communication safety communication can be completed in local specific range scenes, such as meeting rooms, exhibition and sales meetings, product release meetings and the like. The scheme of the invention can well complete the authorized safe communication of D2D, the communication is more efficient, more convenient and safer in a specific scene, and the user experience is improved.
Description
Technical Field
The invention belongs to the technical field of 5G authorization, and particularly relates to a direct communication method for authorizing a 5GD2D service through NFC.
Background
5G D2D (Device-to-Device) terminal direct technology means that a nearby terminal can perform data transmission by direct communication in a short distance without forwarding through a base station. Due to the advantages of short distance and direct connection, the D2D technology can improve the use efficiency of wireless resources and expand the network coverage, so that a great deal of research is carried out in the 5G construction, and the D2D technology can be applied to more scenes in the future to improve the user experience.
The 5G D2D technology will be applied to hybrid networking, under which there are two modes of operation: 1. a legacy cellular communication mode; direct mode between D2D terminals. In a hybrid networking network, a terminal inevitably has a problem of selection of a communication mode. In the communication technology of the D2D, direct communication can be completed as long as the D2D terminals discover each other, and the D2D communication of 5G can reach at least 100 meters or even more, in this case, two parties of D2D communication cannot confirm that the respective terminals are safe physically, and may risk a malicious terminal to perform D2D communication, and if the malicious terminal pretends to be a malicious terminal, a large safety risk exists. Therefore, the multi-scenario mode switching selection and the security problem in the D2D communication are worthy of extensive research.
In consideration of the trouble brought to the user by the security, a scenario that the D2D communication application is completed through the NFC authorization terminal is provided.
Disclosure of Invention
In view of the shortcomings of the prior art, the present invention aims to provide a method for authorizing 5GD2D service direct communication through NFC, and aims to solve the problem of security of terminal direct communication in a specific scenario in the prior art.
In order to achieve the purpose, the invention adopts the following technical scheme:
A method of authorizing 5GD2D traffic direct communication over NFC, the method comprising:
setting an NFC device which stores D2D authorization information and is connected with an interaction server in a preset range scene;
the D2D terminal exchanging D2D authorization information through the NFC device and the NFC device within the predetermined range scenario;
the D2D terminal encrypts and decrypts the D2D authorization information obtained by exchanging with the NFC equipment;
the D2D terminal and/or the interaction server and other D2D terminals encrypt and decrypt the direct communication through D2D authorization information.
In some embodiments, the D2D authorization information is a D2D communication key and/or a physical identification of the interaction server.
In some embodiments, the storage of the D2D authorization information in the NFC device is managed by the interaction server and written or synchronized into the NFC device.
In some embodiments, the exchanging authorization information comprises: the D2D terminal acquires the D2D authorization information through the NFC device which stores the D2D authorization information and acquires the physical identification of the D2D terminal through the NFC device.
In some embodiments, the NFC device synchronizes to the interaction server the physical identity of the D2D terminal encrypted and decrypted by the D2D authorization information; and sent by the interaction server to other D2D terminals within the predetermined range scene.
Compared with the prior art, the invention has the beneficial effects that:
the invention provides a method for authorizing 5GD2D service direct communication through NFC, which is mainly characterized in that NFC equipment is deployed in a specific scene, specific D2D authorization information is stored in the NFC equipment, when a D2D terminal enters the specific scene, after the authorization information is exchanged through the NFC equipment, the D2D direct communication with an interactive server can be completed through an authorized D2D terminal, and in addition, direct communication can be performed among all D2D terminals in the scene, which are encrypted and decrypted through D2D authorization information. Through the scheme of the invention, D2D direct communication safety communication can be completed in local specific range scenes, such as meeting rooms, exhibition and sales meetings, product release meetings and the like. The scheme of the invention can well complete the authorized safe communication of D2D, the communication is more efficient, more convenient and safer in a specific scene, and the user experience is improved.
Drawings
Fig. 1 is a schematic diagram of a network for directly communicating with NFC authorized 5G D2D services in the present invention;
fig. 2 is a sequence diagram illustrating an implementation of the method of sharing D2D communication keys through NFC according to the present invention.
Fig. 3 is a timing diagram of an implementation of the manner in which the physical identifier of the trusted device is shared by NFC in the present invention.
Detailed Description
In order to make the objects, technical solutions and effects of the present invention clearer and clearer, the present invention is further described in detail below with reference to the accompanying drawings and examples. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
Referring to fig. 1 to 3, disclosed in fig. 1 to 3 is a method for authorizing 5GD2D traffic direct communication through NFC, the method including:
deploying an NFC device which stores D2D authorization information and is connected with an interaction server in a preset range scene;
the D2D terminal exchanges authorization information with the NFC device in the preset range scene;
the D2D terminal encrypts and decrypts the D2D authorization information obtained by exchanging with the NFC equipment;
the D2D terminal and/or the interaction server and other D2D terminals encrypt and decrypt the direct communication through D2D authorization information.
The D2D terminal is a terminal supporting a terminal direct connection technology, a 5G mobile phone and other mobile terminals are commonly used, the communication range of the 5G D2D can reach at least 100 meters, and even more, and can be deployed in some specific scenes, all D2D terminals in the specific scenes authorize direct connection communication through the same D2D, so that the security of the direct connection communication between the D2D terminals can be improved, the predetermined-range scenes can be conference rooms, exhibition and sales meetings, product release meetings and the like, the NFC device can be a card reader or a Tag, and the connection between the NFC device and the interaction server can be any possible communication mode.
The main principle of the scheme of the invention is that an NFC device (a card reader or a TAG label) is deployed in a specific scene, specific D2D authorization information is stored in the NFC device, when a D2D terminal enters the specific scene and exchanges the authorization information by touching the NFC device in a non-contact manner, the D2D direct communication with an interaction server can be completed through an authorized D2D terminal, and the direct communication can be performed among all D2D terminals which are encrypted and decrypted through D2D authorization information in the scene. Through the scheme of the invention, D2D direct communication safety communication can be completed in local specific range scenes, such as meeting rooms, exhibition and sales meetings, product release meetings and the like. The scheme of the invention can well complete the authorized safe communication of D2D, the communication is more efficient, more convenient and safer in a specific scene, and the user experience is improved.
For example, the following steps are carried out: when a person is invited to participate in a release meeting of a certain product, the person uses a D2D terminal (a mobile terminal such as a mobile phone) to contact and exchange necessary authorization information in a non-contact mode when the person walks to the door of the release meeting, and then the D2D terminal of the person can directly initiate D2D direct communication with an interaction server or can carry out D2D direct communication with the release meeting through an authorized D2D terminal. The specific service is shown in fig. 1.
It should be noted that the key point of the present invention is how to exchange authorization information and the specific content of the authorization information, through these two dimensions, the scheme of the present invention has multiple implementation manners, the main point is that the authorization information is shared by NFC devices, and after the D2D terminal and the interaction server acquire the authorization information, the identities of both parties are confirmed and authenticated, and if the authentication is passed, both parties can complete D2D direct communication.
Preferably, in some embodiments, the D2D authorization information is a D2D communication key and/or a physical identification of the interaction server.
Referring to fig. 2, the D2D authorization information is a D2D communication key, the D2D communication key is stored in the NFC device, the D2D communication key is managed by the interaction server and written or synchronized into the NFC device, when a user enters a predetermined range scene, the D2D terminal is used to touch the NFC device through non-contact, so as to obtain the D2D communication key, in this way, if there are D2D terminals and the interaction server in the predetermined range scene, both have the same communication key, and during D2D communication between the terminal that obtains the key and the interaction server, data is encrypted and decrypted by using the key, so that the terminal that does not obtain the key is a direct connection that cannot communicate with the D2D terminal and the interaction server authorized in the predetermined range scene, and D2D communication is performed by using the terminal and the interaction server.
Referring to fig. 3, the D2D authorization information is a physical identifier of a trusted device, the physical identifier of an interaction server is stored in the NFC device, the D2D terminal entering a scene in a predetermined range acquires the physical identifier of the interaction server from the NFC device through non-contact touch, the subsequent D2D terminal considers that a device (the interaction server or/and the D2D terminal) corresponding to the physical identifier acquired from the NFC device is a trusted device, can initiate D2D direct communication with the device, and can receive a trusted device list in the scene in the predetermined range sent by the device, the D2D terminal can complete D2D direct communication with devices in the trusted list, meanwhile, the D2D terminal sends its own physical identifier to the NFC device when acquiring information in the NFC device, and the NFC device synchronizes the physical identifier of the D2D terminal to the interaction server in real time. It is understood that the D2D terminals in the trusted device list in the interaction server are all trusted devices.
It can be understood that, in the above two schemes, the information stored or saved in the NFC device is time-efficient, for example, valid within two hours and valid within three hours, and the specific validity time is specified by the interaction server, and can be generally designed as a life cycle of an application scenario, for example, a 4-hour product release meeting and a 2-hour meeting.
Preferably, the storage of the D2D authorization information in the NFC device is managed by the interaction server and written or synchronized into said NFC device.
When the D2D terminal and the NFC equipment are in non-contact touch, the NFC equipment shares a communication key with the communication key, meanwhile, the NFC equipment obtains a physical identifier of the D2D terminal, synchronizes the physical identifier of the D2D terminal to an interaction server to generate a trusted equipment list, the interaction server updates the trusted equipment list in real time and sends the trusted equipment list to the D2D terminal in direct communication with the interaction server, and the D2D terminal in a scene within a preset range can be in direct communication with any D2D terminal in the trusted list.
Preferably, the exchanging authorization information includes: the D2D terminal acquires the D2D authorization information through the NFC device which stores the D2D authorization information and acquires the physical identification of the D2D terminal through the NFC device.
The physical identity is a unique physical identity of the interaction server or/and the D2D terminal, such as IMEI, MAC, etc.
Preferably, the NFC device synchronizes the physical identity of the D2D terminal, encrypted and decrypted by the D2D authorization information, to the interaction server; and sent by the interaction server to other D2D terminals within the predetermined range scene.
In summary, the present invention provides a method for authorizing 5GD2D service direct communication through NFC. The main principle is that an NFC device (card reader or TAG) is deployed in a specific scene, and specific D2D authorization information is stored in the NFC device, when a D2D terminal enters the specific scene and exchanges authorization information by touching the NFC device in a non-contact manner, D2D direct communication with an interaction server can be completed through an authorized D2D terminal, and all D2D terminals in the scene that are encrypted and decrypted through D2D authorization information can also perform direct communication. Through the scheme of the invention, D2D direct communication safety communication can be completed in local specific range scenes, such as meeting rooms, exhibition and sales meetings, product release meetings and the like. The scheme of the invention can well complete the authorized safe communication of D2D, the communication is more efficient, more convenient and safer in a specific scene, and the user experience is improved.
It should be understood that the above only describes two implementation manners, but the solution of the present invention is not limited to these two implementation manners, and it is within the scope of the present invention to implement D2D direct communication by sharing authentication information through NFC devices.
It should be understood that equivalents and modifications of the technical solution and inventive concept thereof may occur to those skilled in the art, and all such modifications and alterations should fall within the scope of the appended claims.
Claims (5)
1. A method for authorizing 5GD2D traffic direct communication over NFC, the method comprising:
setting an NFC device which stores D2D authorization information and is connected with an interaction server in a preset range scene;
the D2D terminal exchanging D2D authorization information through the NFC device and the NFC device within the predetermined range scenario;
the D2D terminal encrypts and decrypts the D2D authorization information obtained by exchanging with the NFC equipment;
the D2D terminal and/or the interaction server and other D2D terminals encrypt and decrypt the direct communication through D2D authorization information.
2. The 5GD2D traffic direct communication method according to claim 1, wherein the D2D authorization information is a D2D communication key and/or a physical identity of an interaction server.
3. The 5GD2D direct traffic communication method of claim 1, wherein storing D2D authorization information in NFC device is managed by interaction server and written or synchronized to the NFC device.
4. The 5GD2D traffic direct communication method of claim 1 or 2, wherein the exchanging authorization information comprises: the D2D terminal acquires the D2D authorization information through the NFC device which stores the D2D authorization information and acquires the physical identification of the D2D terminal through the NFC device.
5. The 5GD2D direct traffic communication method of claim 4, wherein the NFC device synchronizes to the interaction server the physical identity of the D2D terminal encrypted and decrypted by the D2D authorization information; and sent by the interaction server to other D2D terminals within the predetermined range scene.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202010582052.XA CN111866829A (en) | 2020-06-23 | 2020-06-23 | Direct communication method for authorizing 5GD2D service through NFC |
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| CN202010582052.XA CN111866829A (en) | 2020-06-23 | 2020-06-23 | Direct communication method for authorizing 5GD2D service through NFC |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112184209A (en) * | 2020-09-07 | 2021-01-05 | 广东以诺通讯有限公司 | Method for realizing payment by D2D terminal through NFC and terminal |
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2020
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| US20130150061A1 (en) * | 2011-12-09 | 2013-06-13 | Electronics And Telecommunications Research Institute | Device-to-device group communication method and device using the same |
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