CN114866964B - Message transmission method, device, electronic equipment and medium based on proximity service - Google Patents
Message transmission method, device, electronic equipment and medium based on proximity service Download PDFInfo
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- CN114866964B CN114866964B CN202210387739.7A CN202210387739A CN114866964B CN 114866964 B CN114866964 B CN 114866964B CN 202210387739 A CN202210387739 A CN 202210387739A CN 114866964 B CN114866964 B CN 114866964B
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- 238000000034 method Methods 0.000 title claims abstract description 76
- 230000005540 biological transmission Effects 0.000 title claims abstract description 41
- 230000004044 response Effects 0.000 claims abstract description 139
- 238000013475 authorization Methods 0.000 claims abstract description 107
- 238000012790 confirmation Methods 0.000 claims abstract description 29
- 238000012545 processing Methods 0.000 claims abstract description 13
- 238000012544 monitoring process Methods 0.000 claims description 45
- 230000008569 process Effects 0.000 claims description 18
- 238000004891 communication Methods 0.000 abstract description 19
- 230000006870 function Effects 0.000 description 60
- 238000010586 diagram Methods 0.000 description 8
- 238000005516 engineering process Methods 0.000 description 5
- 238000004590 computer program Methods 0.000 description 3
- 230000003287 optical effect Effects 0.000 description 3
- 230000003993 interaction Effects 0.000 description 2
- 239000013307 optical fiber Substances 0.000 description 2
- 230000000644 propagated effect Effects 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000006978 adaptation Effects 0.000 description 1
- 238000003491 array Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000010295 mobile communication Methods 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 230000003252 repetitive effect Effects 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
Classifications
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W12/00—Security arrangements; Authentication; Protecting privacy or anonymity
- H04W12/03—Protecting confidentiality, e.g. by encryption
- H04W12/033—Protecting confidentiality, e.g. by encryption of the user plane, e.g. user's traffic
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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
- H04W4/12—Messaging; Mailboxes; Announcements
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W8/00—Network data management
- H04W8/005—Discovery of network devices, e.g. terminals
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
- Y02D30/00—Reducing energy consumption in communication networks
- Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks
Abstract
The application provides a message transmission method, a device, an electronic device and a medium based on proximity services, wherein the method comprises the following steps: responding to an announcer discovery request message sent by announcer equipment, sending an announcer authorization request message to a ProSe application server, wherein the announcer authorization request message is used for indicating the ProSe application server to return an announcer authorization response message after authorization confirmation; and responding to the announcer authorization response message returned by the ProSe application server, sending an announcer discovery response message to the announcer equipment, wherein the announcer discovery response message comprises a preset encryption key, and the preset encryption key is used for carrying out encryption processing on privacy information to be announced by the announcer to obtain encryption information. The method and the device can avoid privacy disclosure to a certain extent and improve communication security.
Description
Technical Field
The present invention relates to the field of communications technologies, and in particular, to a method, an apparatus, an electronic device, and a medium for transmitting a message based on a proximity service.
Background
With the development of mobile communication technology, proximity-based Services (ProSe) technology has emerged, which enables direct communication to be achieved on the basis that a data path between two devices does not wrap around a core network when the two devices are in close Proximity. When ProSe is used to implement message transmission, the announcer device needs to broadcast an announcement message so that the listener device implements discovery of the announcer device based on the announcement message. In a scenario with higher security requirements, the announced message contains private information, however, an attacker can acquire the announced message broadcasted by the announcer device and obtain the private information in the announced message as long as the attacker is in the broadcast coverage range, so that the privacy is revealed, and the problem of potential communication safety hazards is caused.
Disclosure of Invention
An object of the present application is to provide a method, an apparatus, an electronic device, and a medium for transmitting a message based on a proximity service, which at least overcome the technical problem of privacy disclosure in the related art to some extent, resulting in potential safety hazards of communication.
According to an aspect of an embodiment of the present application, there is provided a proximity service based message transmission method applied to a proximity service ProSe function entity, the method including:
Responding to an announcer discovery request message sent by announcer equipment, sending an announcer authorization request message to a ProSe application server, wherein the announcer authorization request message is used for indicating the ProSe application server to return an announcer authorization response message after authorization confirmation;
and responding to the announcer authorization response message returned by the ProSe application server, sending an announcer discovery response message to the announcer equipment, wherein the announcer discovery response message comprises a preset encryption key, and the preset encryption key is used for carrying out encryption processing on privacy information to be announced by the announcer to obtain encryption information.
According to an aspect of the embodiments of the present application, there is provided a proximity service-based message transmission apparatus including:
the first transmission module is used for responding to an announcer discovery request message sent by announcer equipment and sending an announcer authorization request message to a ProSe application server, wherein the announcer authorization request message is used for indicating the ProSe application server to return an announcer authorization response message after authorization confirmation;
the second transmission module is used for responding to the announcer authorization response message returned by the ProSe application server and sending an announcer discovery response message to the announcer device, wherein the announcer discovery response message comprises a preset encryption key, and the preset encryption key is used for carrying out encryption processing on privacy information to be announced by the announcer to obtain encryption information.
In some embodiments of the present application, based on the above technical solution, the proximity service-based message transmission apparatus is configured to:
receiving a matching report message sent by a monitor device, wherein the matching report message is generated by the monitor device by using the encryption information announced by the announcer device;
acquiring the encryption information from the matching report message;
decrypting the encrypted information by adopting a preset decryption key corresponding to the preset encryption key to obtain the privacy information;
and sending a matching response message to the monitoring party equipment, wherein the matching response message comprises the privacy information, the privacy information comprises the identity information of the announcing party equipment, and the identity information is used for indicating the monitoring party equipment to complete the identity identification of the announcing party equipment.
In some embodiments of the present application, based on the above technical solution, the proximity service-based message transmission apparatus is configured to:
receiving a listener discovery request message sent by the listener device, wherein the listener discovery request message is used for indicating the ProSe functional entity to send a listener authorization request message;
Sending a listener authorization request message to the ProSe application server according to a listener discovery request message, wherein the listener authorization request message is used for indicating the ProSe application server to confirm authorization and then returning a listener authorization response message;
and responding to the listener authorization response message, sending a listener discovery response message to the listener equipment, wherein the listener discovery response message is used for indicating the listener equipment to generate and send the matching report message, and the matching report message comprises the encryption information broadcasted by the declaration equipment.
In some embodiments of the present application, based on the above technical solution, the proximity service-based message transmission apparatus is configured to:
checking whether the listener device has authority based on the match report message;
acquiring an announcement message of the announcer device from the matching report message, checking the integrity of the announcement message, wherein the announcement message is generated according to the privacy message, and the announcement message comprises the privacy message;
if the monitoring party equipment is checked to have the authority and the integrity accords with a preset integrity condition, starting a process of sending the matching response message to the monitoring party equipment;
And if the monitoring party equipment is checked to have no authority or the integrity does not meet the preset integrity condition, not starting a process for sending the matching response message to the monitoring party equipment.
According to an aspect of an embodiment of the present application, there is provided a message transmission method based on a proximity service, applied to a declaration device, the method including:
sending an announcer discovery request message to a ProSe function entity, wherein the announcer discovery request message is used for enabling the ProSe function entity to send an announcer discovery response message after finishing authorization confirmation;
receiving the announcer discovery response message sent by the ProSe function entity;
acquiring a preset encryption key from the announcer discovery response message;
encrypting the privacy information of the declaration party equipment by adopting the preset encryption key to obtain encryption information;
broadcasting an announcement message including the encryption information.
According to an aspect of the embodiments of the present application, there is provided a proximity service-based message transmission apparatus including:
a first sending module, configured to send an announcer discovery request message to a ProSe function entity, where the announcer discovery request message is configured to cause the ProSe function entity to send an announcer discovery response message after completing authorization confirmation;
A first receiving module, configured to receive the announcer discovery response message sent by the ProSe function entity;
the first acquisition module is used for acquiring a preset encryption key from the announcer discovery response message;
the encryption module is used for encrypting the privacy information of the declaration party equipment by adopting the preset encryption key to obtain encryption information;
and the broadcasting module is used for broadcasting the announcement message comprising the encryption information.
In some embodiments of the present application, based on the above technical solution, the proximity service-based message transmission apparatus is configured to:
and broadcasting an announcement message comprising the encryption information to a listener device on a PC5 interface of the announcer device.
According to an aspect of an embodiment of the present application, there is provided a message transmission method based on a proximity service, applied to a listener device, the method including:
transmitting a listener discovery request message to a ProSe function entity, wherein the listener discovery request message is used for enabling the ProSe function entity to transmit a listener authorization response message after completing authorization confirmation;
receiving an announce message broadcast by announce equipment in response to the listener authorization response message sent by the ProSe function entity;
Obtaining encryption information from the announcement message;
sending a matching report message comprising the encryption information to the ProSe function entity, wherein the matching report message is used for enabling the ProSe function entity to decrypt the encryption information, obtain the privacy information of the declaration party equipment and return the privacy information;
receiving the privacy information returned by the ProSe functional entity;
and completing the discovery of the announcer equipment based on the privacy information, wherein the privacy information comprises the identity information of the announcer equipment.
According to an aspect of an embodiment of the present application, an electronic device is disclosed, including: one or more processors; and storage means for storing one or more programs that, when executed by the one or more processors, cause the electronic device to implement the methods provided in the various alternative implementations described above.
According to an aspect of embodiments of the present application, a computer program medium having computer readable instructions stored thereon, which when executed by a processor of a computer, cause the computer to perform the methods provided in the various alternative implementations described above is disclosed.
According to an aspect of embodiments of the present application, there is provided a computer program product or computer program comprising computer instructions stored in a computer readable storage medium. The computer instructions are read from the computer-readable storage medium by a processor of a computer device, and executed by the processor, cause the computer device to perform the methods provided in the various alternative implementations described above.
In the technical scheme provided by the embodiment of the application, in the discovery stage of the announcer device, the encryption information is obtained by encrypting the privacy information to be announced by the announcer device, so that the privacy information to be announced is not directly transmitted, but is announced after being encrypted by adopting an encryption technology with higher security. The method is implemented in the discovery stage of the announcer device, and the announcer device, the ProSe function entity and the ProSe application server transmit discovery requests and authorization requests in the discovery stage, and return encryption keys when confirming authorization responses through the ProSe function entity, so that in the discovery process of each time, the privacy information to be announced can be encrypted to obtain encryption information. Therefore, since the discovery stage is encrypted, an attacker cannot acquire a secret key from the ProSe functional entity, the attacker cannot decrypt the private information, and cannot finish the discovery of the announcer device, and on the basis, the discovery of the announcer device cannot be finished, and the announcer device cannot be forged later, so that the communication potential safety hazard is greatly avoided.
Other features and advantages of the present application will be apparent from the following detailed description, or may be learned in part by the practice of the application.
It is to be understood that both the foregoing general description and the following detailed description are exemplary and explanatory only and are not restrictive of the application.
Drawings
The above and other objects, features and advantages of the present application will become more apparent by describing in detail exemplary embodiments thereof with reference to the attached drawings.
FIG. 1 illustrates a flow chart of steps of a proximity service based message transmission method according to one embodiment of the present application;
fig. 2 shows a schematic diagram of communication interactions between a announcer device, a listener device, a ProSe function entity, and a ProSe application server according to an embodiment of the present application;
FIG. 3 illustrates a flow chart of steps of a proximity service based message transmission method in accordance with one embodiment of the present application;
FIG. 4 illustrates a flow chart of steps of a proximity service based message transmission method in accordance with one embodiment of the present application;
FIG. 5 illustrates an architectural diagram of a proximity services based message transmission apparatus in accordance with one embodiment of the present application;
FIG. 6 illustrates an architectural diagram of a proximity services based message transmission apparatus in accordance with one embodiment of the present application;
FIG. 7 illustrates an architectural diagram of a proximity services based message transmission apparatus in accordance with one embodiment of the present application;
fig. 8 shows a schematic structural diagram of an electronic device according to an embodiment of the present application.
Detailed Description
Example embodiments will now be described more fully with reference to the accompanying drawings. However, the exemplary embodiments may be embodied in many forms and should not be construed as limited to the examples set forth herein; rather, these example embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the concept of the example embodiments to those skilled in the art. The drawings are merely schematic illustrations of the present application and are not necessarily drawn to scale. The same reference numerals in the drawings denote the same or similar parts, and thus a repetitive description thereof will be omitted.
Furthermore, the described features, structures, or characteristics may be combined in any suitable manner in one or more example embodiments. In the following description, numerous specific details are provided to give a thorough understanding of example embodiments of the present application. One skilled in the relevant art will recognize, however, that the aspects of the application may be practiced without one or more of the specific details, or with other methods, components, steps, etc. In other instances, well-known structures, methods, implementations, or operations are not shown or described in detail to avoid obscuring aspects of the application.
Some of the block diagrams shown in the figures are functional entities and do not necessarily correspond to physically or logically separate entities. These functional entities may be implemented in software or in one or more hardware modules or integrated circuits or in different networks and/or processor devices and/or microcontroller devices.
In the open discovery scenario of the near domain service, a User Equipment (UE) of an announcer needs to broadcast an unencrypted announcement message, where the announcement message includes near domain service information and announcer UE identity information, and an attacker can read the announcer UE identity information and forge and track the announcer UE. In the related art, by increasing the replacement frequency of the identity information, even if an attacker acquires the identity information, the acquired identity information is not up to date, so that the advertiser UE cannot be counterfeited and tracked. The method is only suitable for the discovery process of the announcer UE, but not for the discovery process of the announcer UE, so that an attacker can still acquire the identity information in the discovery process of the announcer UE and forge and track the identity information no matter how low the replacement frequency of the identity information is, if the attacker acquires the identity information in the discovery process, the attacker can still track and forge the announcer UE in a period of time before the next replacement of the identity information, and further data leakage is caused, so that communication safety hazards are caused.
In order to solve the above technical problems, the technical solutions of the present application are described below through a plurality of embodiments.
Fig. 1 schematically illustrates a step flow diagram of a proximity service based message transmission method in one embodiment of the present application, as shown in fig. 1, the proximity service based message transmission method may include the steps of:
step S110: responding to an announcer discovery request message sent by announcer equipment, sending an announcer authorization request message to a ProSe application server, wherein the announcer authorization request message is used for indicating the ProSe application server to return an announcer authorization response message after authorization confirmation;
the method in this embodiment is applied to ProSe function entities. An announcer device is a device that broadcasts an announcement message. The announcement message broadcast by the announcer device may be received by the listener device. A listener device is a device that discovers the announcer device based on the announcement message. The announcer discovery request message is a message that the announcer device uses to request to be discovered, and the announcer discovery request message is sent by the announcer device to the ProSe function entity. The announcer authorization request message is a message for requesting to obtain authorization of the ProSe application server. The announcer authorization response message is a message for confirming the announcer authorization request, indicating that it is authorized.
Step S120: and responding to the announcer authorization response message returned by the ProSe application server, sending an announcer discovery response message to the announcer equipment, wherein the announcer discovery response message comprises a preset encryption key, and the preset encryption key is used for carrying out encryption processing on privacy information to be announced by the announcer to obtain encryption information.
And receiving an announcer authorization response message returned by the ProSe application server, wherein the announcer authorization response message indicates that the authorization of the ProSe application server is acquired, and at the moment, responding to the announcer authorization response message, the ProSe functional entity sends an announcer discovery response message to the announcer equipment, and indicates the announcer equipment to start broadcasting an announce message to be announced, wherein the announce message to be announced comprises privacy information, the privacy information comprises identity information of the announcer equipment, the identity information is information for identifying the identity of the announcer equipment, and the identity information is equipment ID.
In one embodiment of the present application, after the step of sending an announcer discovery response message to the announcer device, the method further includes: receiving a matching report message sent by a monitor device, wherein the matching report message is generated by the monitor device by using the encryption information announced by the announcer device; acquiring the encryption information from the matching report message; decrypting the encrypted information by adopting a preset decryption key corresponding to the preset encryption key to obtain the privacy information; and sending a matching response message to the monitoring party equipment, wherein the matching response message comprises the privacy information, the privacy information comprises the identity information of the announcing party equipment, and the identity information is used for indicating the monitoring party equipment to complete the identity identification of the announcing party equipment.
After sending the announcer discovery response message to the announcer device, the announcer device encrypts the privacy information according to a preset encryption key in the announcer discovery response message to obtain encryption information, generates an announce message including the encryption information, and broadcasts the announce message to be announced, so that the monitor device receives the announce message broadcast by the announcer device, and if the monitor device needs to complete discovery of the announcer device based on the announce message, the monitor device also needs to request the ProSe function entity.
In one embodiment of the present application, before the step of receiving the matching report message sent by the listener device, the method further includes: receiving a listener discovery request message sent by the listener device, wherein the listener discovery request message is used for indicating the ProSe functional entity to send a listener authorization request message; sending a listener authorization request message to the ProSe application server according to a listener discovery request message, wherein the listener authorization request message is used for indicating the ProSe application server to confirm authorization and then returning a listener authorization response message; and responding to the listener authorization response message, sending a listener discovery response message to the listener equipment, wherein the listener discovery response message is used for indicating the listener equipment to generate and send the matching report message, and the matching report message comprises the encryption information broadcasted by the declaration equipment.
In a specific scenario, the communication procedure between the announcer device (announcer UE), the listener device (listener UE), the ProSe function entity and the ProSe application server is as follows:
the announcer UE discovers the authorization: the announcer UE sends an announcer discovery request message to the ProSe functional entity to request to broadcast the information which can be discovered, and after the ProSe functional entity performs authorization confirmation with the ProSe application server, the announcer UE sends an announcer discovery response message which contains an encryption key and can be used for encrypting the privacy information of the announcer UE.
The listener UE discovers the authorization: the listener UE sends a listener discovery request message to the ProSe functional entity, requests a discoverable announcement message, and sends a listener discovery response message to the listener UE after the ProSe functional entity performs authorization confirmation with the ProSe application server.
The listener UE discovers an acknowledgement: the listener UE receives the announce message and sends a match report message to the ProSe functional entity, the ProSe functional entity processes the match report message, checks and verifies the match report message, then decrypts the announcer UE privacy information contained in the match report message, sends a match response message to the listener UE, and the match response message contains the announcer UE privacy information to complete the discovery of the announcer UE and further carry out subsequent work.
In an embodiment of the present application, after the step of receiving the match report message sent by the listener device, the method further includes: checking whether the listener device has authority based on the match report message; acquiring an announcement message of the announcer device from the matching report message, checking the integrity of the announcement message, wherein the announcement message is generated according to the privacy message, and the announcement message comprises the privacy message; if the monitoring party equipment is checked to have the authority and the integrity accords with a preset integrity condition, starting a process of sending the matching response message to the monitoring party equipment; and if the monitoring party equipment is checked to have no authority or the integrity does not meet the preset integrity condition, not starting a process for sending the matching response message to the monitoring party equipment.
After receiving the matching report message, the ProSe functional entity also checks the authority of the monitor device, verifies the integrity of the announcement message, if the monitor device has the authority and the announcement message is complete, sends a matching response message to the monitor device, and if the monitor device does not have the authority or the announcement message is incomplete, does not send the matching response message to the monitor device, so as to ensure the integrity of the message and ensure that the monitor device has the authority, and improve the communication quality.
Referring to fig. 2, fig. 2 is a schematic diagram of communication interactions among a notifier device, a listener device, a ProSe function entity, and a ProSe application server according to an embodiment of the present application. The following describes a specific technical scheme related to the present application with reference to fig. 2.
Wherein, the announcer UE sends an announcer discovery request message to the ProSe function entity requesting to broadcast information that can be discovered. After the ProSe function entity performs authorization confirmation with the ProSe application server, an announcer discovery response message is sent to the announcer UE, and the announcer discovery response message contains the announcer UE privacy encryption key. The announcer UE receives the announcer discovery response message, encrypts the privacy, and broadcasts an announcement message containing encrypted privacy information and ProSe application code on the PC5 interface. The listener UE sends a listener discovery request message to the ProSe function requesting a discoverable announcement message. And after the ProSe functional entity performs authorization confirmation with the ProSe application server, sending a listener discovery response message to the listener UE. The listener UE receives the announcement message, and sends a matching report message to the ProSe function entity, where the matching report message includes privacy information of the listener UE, near domain service information of the announcement message, encrypted privacy information of the announcer UE, and the like. The ProSe function entity receives the matching report message, checks the authority of the listener UE in the matching report message, verifies the integrity of the announced message information in the matching report message, and decrypts the privacy encryption information of the announcer UE in the matching report message. The ProSe function entity sends a matching response message to the listener UE, wherein the matching response message contains privacy information of the announcer UE, and the listener UE completes discovery of the announcer UE so as to perform subsequent work.
By adopting the mode, based on the existing near-field service open discovery scene, the ProSe functional entity adds an encryption key while sending the announcer UE discovery response message, the announcer UE can encrypt the privacy information such as identity information by using the encryption key, then the announcer UE broadcasts the announcement message, the listener UE receives the announcement message and sends the matching message to the ProSe functional entity, the ProSe functional entity checks, verifies and decrypts the announcement message, and then the announcer UE privacy information is sent to the listener UE, so that the announcer UE privacy leakage in the discovery process is avoided. The method has higher safety and is suitable for near-field service communication business with higher privacy protection requirement.
In this embodiment, in the discovery stage of the announcer device, the privacy information to be announced by the announcer device is encrypted to obtain the encrypted information, so that the privacy information to be announced is not directly transmitted, but is announced after being encrypted by an encryption technology with higher security. The method is implemented in the discovery stage of the announcer device, and the announcer device, the ProSe function entity and the ProSe application server transmit the discovery request and the authorization request in the discovery stage, and return the encryption key when confirming the authorization response through the ProSe function entity, so that the privacy information to be announced can be encrypted to obtain the encryption information in the discovery process. Therefore, since the discovery stage is encrypted, an attacker cannot acquire a secret key from the ProSe functional entity, the attacker cannot decrypt the private information, and cannot finish the discovery of the announcer device, and on the basis, the discovery of the announcer device cannot be finished, and the announcer device cannot be forged later, so that the communication potential safety hazard is greatly avoided.
Fig. 3 shows a flow chart of steps of a proximity service based message transmission method according to one embodiment of the present application. As shown in fig. 3, the proximity service-based message transmission method includes:
step S210: sending an announcer discovery request message to a ProSe function entity, wherein the announcer discovery request message is used for enabling the ProSe function entity to send an announcer discovery response message after finishing authorization confirmation;
the method in this embodiment is applied to the announcer device, which sends an announcer discovery request message to the ProSe function entity if it needs to be discovered. After ProSe completes the authorization confirmation, an announcer discovery response message is returned.
Step S220: receiving the announcer discovery response message sent by the ProSe function entity;
step S230: acquiring a preset encryption key from the announcer discovery response message;
step S240: encrypting the privacy information of the declaration party equipment by adopting the preset encryption key to obtain encryption information;
step S250: broadcasting an announcement message including the encryption information.
In one embodiment of the present application, the broadcasting of the announcement message including the encryption information includes: and broadcasting an announcement message comprising the encryption information to a listener device on a PC5 interface of the announcer device.
In a specific scenario, the declaration party device sends a declaration party discovery request message to the ProSe function entity, requests to broadcast information which can be discovered, and after the ProSe function entity performs authorization confirmation through the ProSe application server, sends a declaration party discovery response message to the declaration party device, wherein the declaration party device discovery response message contains an encryption key, and the privacy information of the declaration party device discovery response message is encrypted by adopting the encryption key; the monitoring party device sends a monitoring party discovery request message to the ProSe functional entity, requests for a discoverable announcement message, and sends a monitoring party discovery response message to the monitoring party device after the ProSe functional entity performs authorization confirmation through the ProSe application server. The monitoring party device receives the announcement message and sends a matching report message to the ProSe functional entity, the ProSe functional entity processes the matching report message, checks and verifies the matching report message, then decrypts the privacy information of the announcement party device contained in the matching report message, sends a matching response message to the monitoring party device, and the matching response message contains the privacy information of the announcement party device, so that the discovery of the announcement party device is completed, and further subsequent communication is carried out.
In this embodiment, an announcer discovery request message is sent to a ProSe function entity, where the announcer discovery request message is used to make the ProSe function entity send an announcer discovery response message after completing authorization confirmation; receiving the announcer discovery response message sent by the ProSe function entity; acquiring a preset encryption key from the announcer discovery response message; encrypting the privacy information of the declaration party equipment by adopting the preset encryption key to obtain encryption information; broadcasting an announcement message including the encryption information. The method has the advantages that the privacy information in the announce message broadcast by the announce device is encrypted, and in the discovery stage of the announce device, the data obtained by an attacker are encrypted data which cannot be decrypted without a secret key, so that the difficulty in revealing the privacy information is improved, and the potential safety hazard of communication is reduced.
Fig. 4 shows a flow chart of steps of a proximity service based message transmission method according to one embodiment of the present application. As shown in fig. 4, the proximity service-based message transmission method includes:
step S310: transmitting a listener discovery request message to a ProSe function entity, wherein the listener discovery request message is used for enabling the ProSe function entity to transmit a listener authorization response message after completing authorization confirmation;
step S320: receiving an announce message broadcast by announce equipment in response to the listener authorization response message sent by the ProSe function entity;
step S330: obtaining encryption information from the announcement message;
step S340: sending a matching report message comprising the encryption information to the ProSe function entity, wherein the matching report message is used for enabling the ProSe function entity to decrypt the encryption information, obtain the privacy information of the declaration party equipment and return the privacy information;
step S350: receiving the privacy information returned by the ProSe functional entity;
step S360: and completing the discovery of the announcer equipment based on the privacy information, wherein the privacy information comprises the identity information of the announcer equipment.
In a specific scenario, the declaration party device sends a declaration party discovery request message to the ProSe function entity, requests to broadcast information which can be discovered, and after the ProSe function entity performs authorization confirmation through the ProSe application server, sends a declaration party discovery response message to the declaration party device, wherein the declaration party device discovery response message contains an encryption key, and the privacy information of the declaration party device discovery response message is encrypted by adopting the encryption key; the monitoring party device sends a monitoring party discovery request message to the ProSe functional entity, requests for a discoverable announcement message, and sends a monitoring party discovery response message to the monitoring party device after the ProSe functional entity performs authorization confirmation through the ProSe application server. The monitoring party device receives the announcement message and sends a matching report message to the ProSe functional entity, the ProSe functional entity processes the matching report message, checks and verifies the matching report message, then decrypts the privacy information of the announcement party device contained in the matching report message, sends a matching response message to the monitoring party device, and the matching response message contains the privacy information of the announcement party device, so that the discovery of the announcement party device is completed, and further subsequent communication is carried out.
If the attacker needs to acquire the privacy information of the announcer device, after the attacker receives the announce message of the announcer device, the attacker cannot identify the identity of the announcer device according to the encrypted information in the announce message, so that the announcer device cannot be tracked and counterfeited, and privacy disclosure can be avoided.
In this embodiment, a listener discovery request message is sent to a ProSe function entity, where the listener discovery request message is used to make the ProSe function entity send a listener authorization response message after completing authorization confirmation; receiving an announce message broadcast by announce equipment in response to the listener authorization response message sent by the ProSe function entity; obtaining encryption information from the announcement message; sending a matching report message comprising the encryption information to the ProSe function entity, wherein the matching report message is used for enabling the ProSe function entity to decrypt the encryption information, obtain the privacy information of the declaration party equipment and return the privacy information; receiving the privacy information returned by the ProSe functional entity; and completing the discovery of the announcer equipment based on the privacy information, wherein the privacy information comprises the identity information of the announcer equipment. Therefore, the monitoring party equipment can complete the discovery of the announcer equipment in a safer communication environment, and can reduce privacy disclosure and communication potential safety hazards while realizing the discovery of the announcer equipment.
Fig. 5 illustrates a proximity service based message transmission apparatus according to one embodiment of the present application, the apparatus comprising:
a first transmission module 410, configured to send, in response to an announcer discovery request message sent by an announcer device, an announcer authorization request message to a ProSe application server, where the announcer authorization request message is used to instruct the ProSe application server to return an announcer authorization response message after authorization confirmation;
a second transmission module 420, configured to send, in response to the announcer authorization response message returned by the ProSe application server, an announcer discovery response message to the announcer device, where the announcer discovery response message includes a preset encryption key, where the preset encryption key is used to encrypt privacy information to be announced by the announcer to obtain encryption information.
In an exemplary embodiment of the present application, the apparatus is configured to:
receiving a matching report message sent by a monitor device, wherein the matching report message is generated by the monitor device by using the encryption information announced by the announcer device;
acquiring the encryption information from the matching report message;
decrypting the encrypted information by adopting a preset decryption key corresponding to the preset encryption key to obtain the privacy information;
And sending a matching response message to the monitoring party equipment, wherein the matching response message comprises the privacy information, the privacy information comprises the identity information of the announcing party equipment, and the identity information is used for indicating the monitoring party equipment to complete the identity identification of the announcing party equipment.
In an exemplary embodiment of the present application, the apparatus is configured to:
receiving a listener discovery request message sent by the listener device, wherein the listener discovery request message is used for indicating the ProSe functional entity to send a listener authorization request message;
sending a listener authorization request message to the ProSe application server according to a listener discovery request message, wherein the listener authorization request message is used for indicating the ProSe application server to confirm authorization and then returning a listener authorization response message;
and responding to the listener authorization response message, sending a listener discovery response message to the listener equipment, wherein the listener discovery response message is used for indicating the listener equipment to generate and send the matching report message, and the matching report message comprises the encryption information broadcasted by the declaration equipment.
In an exemplary embodiment of the present application, the apparatus is configured to:
checking whether the listener device has authority based on the match report message;
acquiring an announcement message of the announcer device from the matching report message, checking the integrity of the announcement message, wherein the announcement message is generated according to the privacy message, and the announcement message comprises the privacy message;
if the monitoring party equipment is checked to have the authority and the integrity accords with a preset integrity condition, starting a process of sending the matching response message to the monitoring party equipment;
and if the monitoring party equipment is checked to have no authority or the integrity does not meet the preset integrity condition, not starting a process for sending the matching response message to the monitoring party equipment.
Fig. 6 illustrates a proximity service based message transmission apparatus according to one embodiment of the present application, the apparatus comprising:
a first sending module 510, configured to send an announcer discovery request message to a ProSe function entity, where the announcer discovery request message is configured to cause the ProSe function entity to send an announcer discovery response message after completing authorization confirmation;
A first receiving module 520, configured to receive the announcer discovery response message sent by the ProSe function entity;
a first obtaining module 530, configured to obtain a preset encryption key from the announcer discovery response message;
an encryption module 540, configured to encrypt the privacy information of the declaration device by using the preset encryption key to obtain encrypted information;
a broadcasting module 550 for broadcasting an announcement message including the encryption information.
In an exemplary embodiment of the present application, the apparatus is configured to:
and broadcasting an announcement message comprising the encryption information to a listener device on a PC5 interface of the announcer device.
Fig. 7 illustrates a proximity service based message transmission apparatus according to one embodiment of the present application, the apparatus comprising:
a second sending module 610, configured to send a listener discovery request message to a ProSe function entity, where the listener discovery request message is configured to cause the ProSe function entity to send a listener authorization response message after completing authorization confirmation;
a second receiving module 620, configured to receive an announcement message broadcasted by an announcer device in response to the listener authorization response message sent by the ProSe function entity;
A second obtaining module 630, configured to obtain encryption information from the announcement message;
a third sending module 640, configured to send, to the ProSe function entity, a match report message including the encryption information, where the match report message is used to enable the ProSe function entity to decrypt the encryption information, obtain privacy information of the declaration device, and return the privacy information;
a third receiving module 650, configured to receive the privacy information returned by the ProSe function entity;
and a discovery module 660, configured to complete discovery of the announcer device based on the privacy information, where the privacy information includes identity information of the announcer device.
An electronic device 70 according to an embodiment of the present application is described below with reference to fig. 8. The electronic device 70 shown in fig. 8 is merely an example and should not be construed as limiting the functionality and scope of use of embodiments of the present application.
As shown in fig. 8, the electronic device 70 is embodied in the form of a general purpose computing device. Components of the electronic device 70 may include, but are not limited to: the at least one processing unit 710, the at least one memory unit 720, and a bus 730 connecting the different system components, including the memory unit 720 and the processing unit 710.
Wherein the storage unit stores program code that is executable by the processing unit 710 such that the processing unit 710 performs the steps according to various exemplary embodiments of the present invention described in the description section of the exemplary method described above in the present specification. For example, the processing unit 710 may perform the various steps as shown in fig. 1.
The memory unit 720 may include readable media in the form of volatile memory units, such as Random Access Memory (RAM) 7201 and/or cache memory 7202, and may further include Read Only Memory (ROM) 7203.
The storage unit 720 may also include a program/utility 7204 having a set (at least one) of program modules 7205, such program modules 7205 including, but not limited to: an operating system, one or more application programs, other program modules, and program data, each or some combination of which may include an implementation of a network environment.
Bus 730 may be a bus representing one or more of several types of bus structures including a memory unit bus or memory unit controller, a peripheral bus, an accelerated graphics port, a processing unit, or a local bus using any of a variety of bus architectures.
The electronic device 70 may also communicate with one or more external devices 800 (e.g., keyboard, pointing device, bluetooth device, etc.), one or more devices that enable a user to interact with the electronic device 70, and/or any device (e.g., router, modem, etc.) that enables the electronic device 70 to communicate with one or more other computing devices. Such communication may occur through an input/output (I/O) interface 750. An input/output (I/O) interface 750 is connected to the display unit 740. Also, electronic device 70 may communicate with one or more networks such as a Local Area Network (LAN), a Wide Area Network (WAN) and/or a public network, such as the Internet, through network adapter 760. As shown, network adapter 760 communicates with other modules of electronic device 70 over bus 730. It should be appreciated that although not shown, other hardware and/or software modules may be used in connection with electronic device 30, including, but not limited to: microcode, device drivers, redundant processing units, external disk drive arrays, RAID systems, tape drives, data backup storage systems, and the like.
From the above description of embodiments, those skilled in the art will readily appreciate that the example embodiments described herein may be implemented in software, or may be implemented in software in combination with the necessary hardware. Thus, the technical solution according to the embodiments of the present application may be embodied in the form of a software product, which may be stored in a non-volatile storage medium (may be a CD-ROM, a usb disk, a mobile hard disk, etc.) or on a network, and includes several instructions to cause a computing device (may be a personal computer, a server, a terminal device, or a network device, etc.) to perform the method according to the embodiments of the present application.
In an exemplary embodiment of the present application, there is also provided a computer-readable storage medium having stored thereon computer-readable instructions, which, when executed by a processor of a computer, cause the computer to perform the method described in the method embodiment section above.
According to an embodiment of the present application, there is also provided a program product for implementing the method in the above method embodiments, which may employ a portable compact disc read only memory (CD-ROM) and comprise program code and may be run on a terminal device, such as a personal computer. However, the program product of the present invention is not limited thereto, and in this document, a readable storage medium may be any tangible medium that can contain, or store a program for use by or in connection with an instruction execution system, apparatus, or device.
The program product may employ any combination of one or more readable media. The readable medium may be a readable signal medium or a readable storage medium. The readable storage medium can be, for example, but is not limited to, an electronic, magnetic, optical, electromagnetic, infrared, or semiconductor system, apparatus, or device, or a combination of any of the foregoing. More specific examples (a non-exhaustive list) of the readable storage medium would include the following: an electrical connection having one or more wires, a portable disk, a hard disk, random Access Memory (RAM), read-only memory (ROM), erasable programmable read-only memory (EPROM or flash memory), optical fiber, portable compact disk read-only memory (CD-ROM), an optical storage device, a magnetic storage device, or any suitable combination of the foregoing.
The computer readable signal medium may include a data signal propagated in baseband or as part of a carrier wave with readable program code embodied therein. Such a propagated data signal may take any of a variety of forms, including, but not limited to, electro-magnetic, optical, or any suitable combination of the foregoing. A readable signal medium may also be any readable medium that is not a readable storage medium and that can communicate, propagate, or transport a program for use by or in connection with an instruction execution system, apparatus, or device.
Program code embodied on a readable medium may be transmitted using any appropriate medium, including but not limited to wireless, wireline, optical fiber cable, RF, etc., or any suitable combination of the foregoing.
Program code for carrying out operations of the present invention may be written in any combination of one or more programming languages, including an object oriented programming language such as Java, C++ or the like and conventional procedural programming languages, such as the "C" programming language or similar programming languages. The program code may execute entirely on the user's computing device, partly on the user's device, as a stand-alone software package, partly on the user's computing device, partly on a remote computing device, or entirely on the remote computing device or server. In the case of remote computing devices, the remote computing device may be connected to the user computing device through any kind of network, including a Local Area Network (LAN) or a Wide Area Network (WAN), or may be connected to an external computing device (e.g., connected via the Internet using an Internet service provider).
It should be noted that although in the above detailed description several modules or units of a device for action execution are mentioned, such a division is not mandatory. Indeed, the features and functions of two or more modules or units described above may be embodied in one module or unit, in accordance with embodiments of the present application. Conversely, the features and functions of one module or unit described above may be further divided into a plurality of modules or units to be embodied.
Furthermore, although the various steps of the methods herein are depicted in the accompanying drawings in a particular order, this is not required to either suggest that the steps must be performed in that particular order, or that all of the illustrated steps must be performed, to achieve desirable results. Additionally or alternatively, certain steps may be omitted, multiple steps combined into one step to perform, and/or one step decomposed into multiple steps to perform, etc.
From the above description of embodiments, those skilled in the art will readily appreciate that the example embodiments described herein may be implemented in software, or may be implemented in software in combination with the necessary hardware. Thus, the technical solution according to the embodiments of the present application may be embodied in the form of a software product, which may be stored in a non-volatile storage medium (may be a CD-ROM, a U-disk, a mobile hard disk, etc.) or on a network, and includes several instructions to cause a computing device (may be a personal computer, a server, a mobile terminal, or a network device, etc.) to perform the method according to the embodiments of the present application.
Other embodiments of the present application will be apparent to those skilled in the art from consideration of the specification and practice of the invention disclosed herein. This application is intended to cover any variations, uses, or adaptations of the application following, in general, the principles of the application and including such departures from the present disclosure as come within known or customary practice within the art to which the application pertains. It is intended that the specification and examples be considered as exemplary only, with a true scope and spirit of the application being indicated by the following claims.
Claims (9)
1. A proximity service based message transmission method, applied to a proximity service ProSe function entity, the method comprising:
responding to an announcer discovery request message sent by announcer equipment, sending an announcer authorization request message to a ProSe application server, wherein the announcer authorization request message is used for indicating the ProSe application server to return an announcer authorization response message after authorization confirmation;
responding to the announcer authorization response message returned by the ProSe application server, sending an announcer discovery response message to the announcer equipment, wherein the announcer discovery response message comprises a preset encryption key, and the preset encryption key is used for carrying out encryption processing on privacy information to be announced by the announcer to obtain encryption information;
Receiving a matching report message sent by a monitor device, wherein the matching report message is generated by the monitor device by using the encryption information announced by the announcer device;
acquiring the encryption information from the matching report message;
decrypting the encrypted information by adopting a preset decryption key corresponding to the preset encryption key to obtain the privacy information;
and sending a matching response message to the monitoring party equipment, wherein the matching response message comprises the privacy information, the privacy information comprises the identity information of the announcing party equipment, and the identity information is used for indicating the monitoring party equipment to complete the identity identification of the announcing party equipment.
2. The method of claim 1, wherein prior to the step of receiving the match report message sent by the listener device, further comprising:
receiving a listener discovery request message sent by the listener device, wherein the listener discovery request message is used for indicating the ProSe functional entity to send a listener authorization request message;
sending a listener authorization request message to the ProSe application server according to a listener discovery request message, wherein the listener authorization request message is used for indicating the ProSe application server to confirm authorization and then returning a listener authorization response message;
And responding to the listener authorization response message, sending a listener discovery response message to the listener equipment, wherein the listener discovery response message is used for indicating the listener equipment to generate and send the matching report message, and the matching report message comprises the encryption information broadcasted by the declaration equipment.
3. The method of claim 1, wherein after the step of receiving the match report message sent by the listener device, the method further comprises:
checking whether the listener device has authority based on the match report message;
acquiring an announcement message of the announcer device from the matching report message, checking the integrity of the announcement message, wherein the announcement message is generated according to the privacy message, and the announcement message comprises the privacy message;
if the monitoring party equipment is checked to have the authority and the integrity accords with a preset integrity condition, starting a process of sending the matching response message to the monitoring party equipment;
and if the monitoring party equipment is checked to have no authority or the integrity does not meet the preset integrity condition, not starting a process for sending the matching response message to the monitoring party equipment.
4. A method of proximity service based message transmission, applied to a announcer device, the method comprising:
sending an announcer discovery request message to a ProSe function entity, wherein the announcer discovery request message is used for enabling the ProSe function entity to send an announcer discovery response message after finishing authorization confirmation;
receiving the announcer discovery response message sent by the ProSe function entity;
acquiring a preset encryption key from the announcer discovery response message;
encrypting the privacy information of the declaration party equipment by adopting the preset encryption key to obtain encryption information;
broadcasting an announcement message including the encryption information; the announcement message is used for enabling the monitoring party device to send a matching report message comprising the encryption information to the ProSe functional entity, the matching report message is used for enabling the ProSe functional entity to decrypt the encryption information by adopting a preset decryption key corresponding to the preset encryption key, privacy information of the announcement party device is obtained and returned, the privacy information comprises identity information of the announcement party device, and the identity information is used for indicating the monitoring party device to finish identity identification of the announcement party device.
5. The method of claim 4, wherein the broadcasting of the announcement message including the encryption information comprises:
and broadcasting an announcement message comprising the encryption information to a listener device on a PC5 interface of the announcer device.
6. A method of proximity service based message transmission, applied to a listener device, the method comprising:
transmitting a listener discovery request message to a ProSe function entity, wherein the listener discovery request message is used for enabling the ProSe function entity to transmit a listener authorization response message after completing authorization confirmation;
receiving an announce message broadcast by announce equipment in response to the listener authorization response message sent by the ProSe function entity;
obtaining encryption information from the announcement message;
sending a matching report message comprising the encryption information to the ProSe functional entity, wherein the matching report message is used for enabling the ProSe functional entity to decrypt the encryption information by adopting a preset decryption key corresponding to a preset encryption key, obtaining privacy information of the declaration side equipment and returning the privacy information;
receiving the privacy information returned by the ProSe functional entity;
Completing discovery of the announcer device based on the privacy information, wherein the privacy information comprises identity information of the announcer device; the identity information is used for indicating the monitoring party equipment to complete the identity identification of the announcer equipment.
7. A proximity service based message transmission apparatus, the proximity service based message transmission apparatus comprising:
the first transmission module is used for responding to an announcer discovery request message sent by announcer equipment and sending an announcer authorization request message to a ProSe application server, wherein the announcer authorization request message is used for indicating the ProSe application server to return an announcer authorization response message after authorization confirmation;
the second transmission module is used for responding to the announcer authorization response message returned by the ProSe application server and sending an announcer discovery response message to the announcer equipment, wherein the announcer discovery response message comprises a preset encryption key, and the preset encryption key is used for carrying out encryption processing on privacy information to be announced by the announcer to obtain encryption information; receiving a matching report message sent by a monitor device, wherein the matching report message is generated by the monitor device by using the encryption information announced by the announcer device; acquiring the encryption information from the matching report message; decrypting the encrypted information by adopting a preset decryption key corresponding to the preset encryption key to obtain the privacy information; sending a matching response message to the monitoring party equipment, wherein the matching response message comprises the privacy information, the privacy information comprises the identity information of the announcing party equipment, and the identity information is used for indicating the monitoring party equipment to complete the identity identification of the announcing party equipment;
Alternatively, the proximity service-based message transmission apparatus includes:
a first sending module, configured to send an announcer discovery request message to a ProSe function entity, where the announcer discovery request message is configured to cause the ProSe function entity to send an announcer discovery response message after completing authorization confirmation;
a first receiving module, configured to receive the announcer discovery response message sent by the ProSe function entity;
the first acquisition module is used for acquiring a preset encryption key from the announcer discovery response message;
the encryption module is used for encrypting the privacy information of the declaration party equipment by adopting the preset encryption key to obtain encryption information;
a broadcasting module for broadcasting an announcement message including the encryption information; the announcement message is used for enabling the monitoring party device to send a matching report message comprising the encryption information to the ProSe functional entity, the matching report message is used for enabling the ProSe functional entity to decrypt the encryption information by adopting a preset decryption key corresponding to the preset encryption key, privacy information of the announcement party device is obtained and returned, the privacy information comprises identity information of the announcement party device, and the identity information is used for indicating the monitoring party device to finish identity identification of the announcement party device;
Alternatively, the proximity service-based message transmission apparatus includes:
the second sending module is used for sending a listener discovery request message to the ProSe functional entity, wherein the listener discovery request message is used for enabling the ProSe functional entity to send a listener authorization response message after completing authorization confirmation;
a second receiving module, configured to receive an announcement message broadcasted by an announcer device in response to the listener authorization response message sent by the ProSe function entity;
the second acquisition module is used for acquiring encryption information from the announcement message;
a third sending module, configured to send a match report message including the encryption information to the ProSe function entity, where the match report message is configured to enable the ProSe function entity to decrypt the encryption information by using a preset decryption key corresponding to the preset encryption key, obtain privacy information of the declaration device, and return the privacy information;
the third receiving module is used for receiving the privacy information returned by the ProSe functional entity;
a discovery module, configured to complete discovery of the announcer device based on the privacy information, where the privacy information includes identity information of the announcer device; the identity information is used for indicating the monitoring party equipment to complete the identity identification of the announcer equipment.
8. An electronic device, comprising:
one or more processors;
storage means for storing one or more programs which, when executed by the one or more processors, cause the electronic device to implement the method of any of claims 1-6.
9. A computer readable storage medium having stored thereon computer readable instructions which, when executed by a processor of a computer, cause the computer to perform the method of any of claims 1 to 6.
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| WO2024065334A1 (en) * | 2022-09-28 | 2024-04-04 | 北京小米移动软件有限公司 | Method, apparatus and device for generating authorization token of user equipment (ue), and storage medium |
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