CN110636501B - Mobile position information hiding method and system - Google Patents
Mobile position information hiding method and system Download PDFInfo
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- CN110636501B CN110636501B CN201910890253.3A CN201910890253A CN110636501B CN 110636501 B CN110636501 B CN 110636501B CN 201910890253 A CN201910890253 A CN 201910890253A CN 110636501 B CN110636501 B CN 110636501B
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W12/00—Security arrangements; Authentication; Protecting privacy or anonymity
- H04W12/02—Protecting privacy or anonymity, e.g. protecting personally identifiable information [PII]
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- 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
- H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
- H04W4/02—Services making use of location information
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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
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Abstract
The invention discloses a mobile position information hiding method, which comprises the following steps: the communication connection between the SIM card and the Modem of the mobile terminal is blocked, a communication instruction of the mobile terminal is forwarded to the SIM card, the authentication information is forwarded to the fixed IP base station after the SIM card is authenticated, the authentication information is sent to a core network element of an operator by the fixed IP base station for authentication, and the fixed IP base station returns the authentication result to the SIM card, wherein the fixed IP base station comprises a complete base station protocol required by eNodeB and does not contain a radio frequency unit. The invention also discloses a mobile position information hiding system. The invention does not need to modify the mobile phone terminal and the operator core network, and universally solves the problem of mobile position information leakage.
Description
Technical Field
The present invention relates to the field of communication security. More particularly, the present invention relates to a mobile location information hiding method and system.
Background
The development of mobile communication technology changes the daily life style of people, and becomes an indispensable communication means for daily communication of people. The mobile communication technology is subject to different standard iterations, and different telecommunication standards are adopted by each country according to the characteristics of the country, so that the intercommunication of telecommunication services among the countries becomes a difficult problem. In order to realize interconnection and intercommunication of telecommunication services, SS7 signaling systems are adopted among different telecommunication operators, particularly among operators in different countries, to realize the service exchange process among the operators so as to solve the problems of mobile phone connection, routing and charging. Just because SS7 needs to realize service intercommunication among telecommunication operators around the world, SS7 belongs to public channel signaling, therefore, at the beginning of design, SS7 does not design encryption and identity authentication, and SS7 is a signaling system based on a trust network. The SS7 signaling is not over-authenticated between operators, resulting in the network being considered legitimate to receive any SS7 request. Due to the fact that a natural trust mechanism is used, an illegal party can remotely obtain user key information by using SS7, the user key information comprises IMSI of a telephone SIM card, network MSC (mobile subscriber identity), VLR (visitor location register) information and CellID (cell identity) information of a user currently registered, and the mobile location information of the user can be further obtained according to the user key information. The common mobile position information is mainly disclosed through cellID information of a mobile phone access base station, and the position of a user mobile phone is disclosed according to the position of the cellID corresponding to the base station. After big data analysis, the mobile location information is easy to expose information such as personal relevant political tendency, job title and the like. The fundamental reason for comprehensively analyzing the mobile location information leakage is that a mobile phone is accessed to an untrusted mobile base station through a telephone SIM card in a radio frequency wireless mode, and the mobile base station mechanically and uncontrollably transfers user information to an illegal acquirer, so that the location leakage is caused.
The mainstream methods for solving the safety problem of the mobile position information at present comprise: (1) And transforming a mobile communication core network element, and performing signaling enhancement on the key network element HLR and the MSC for storing the user information. (2) And a CP processor of the mobile phone is modified, and a method for accessing the mobile phone to the base station is changed.
For the method (1) above: the HLR user home location register is used for storing key information of the user, including the IMSI, the authentication information, the user location information and the like of the user. The illegal party generally performs illegal query of information to the HLR through SS7 related signaling. And the illegal party disguises or utilizes the service network element to illegally obtain the user information. The main idea of modifying the mobile communication core network element is to enhance signaling authentication between network elements, and only a credible network element can acquire user information. The signaling authentication between the network elements is enhanced, only the configured trusted network elements are subjected to query request and response, and the access to the untrusted network elements is refused or the forged user information is given, so that the mobile position information is hidden. The scheme relates to the modification of the core network element of an operator, and the modification cost is high. Meanwhile, in order to realize global interconnection, all operator core network elements in the required area need to be modified.
For the method (2) above: the mobile phone is generally divided into an AP processor and a CP processor, wherein the AP processor is used for application processing, and the CP processor is used for mobile communication processing, including SIM card related communication Modem. The main idea of the modified CP processor is that the mobile base station is arranged in the CP processor, which is equivalent to that the mobile phone is a base station, but the base station does not radiate radio frequency information outwards, the information authentication between the SIM card and the base station is completed only in the CP processor, and the base station is accessed to the core network of the operator through the connection with the security gateway through other IP channels of the mobile phone. The base station of the CP processor is not the base station strictly, SIM card access is realized by means of the technical principle of a wireless home base station (Femtocell), and when SS7 signaling query is carried out, the security gateway hides or filters user information, and mobile position information hiding is realized. The scheme needs to modify the CP (content provider) at the bottom of the mobile phone, is complex to access an operator network, has no terminal universality and is only limited to a specific modified terminal.
In the two methods: the CP processor and the mobile core network element are both complex systems, the modification difficulty is high, and a network or a mobile phone terminal needs to be modified, which lacks universality and cannot adapt to the evolution and development of a future mobile network and a mobile phone terminal.
Disclosure of Invention
An object of the present invention is to solve at least the above problems and to provide at least the advantages described later.
The invention also aims to provide a method and a system for hiding the mobile position information, which can universally solve the problem of the leakage of the mobile position information without modifying a mobile phone terminal and an operator core network.
To achieve these objects and other advantages in accordance with the present invention, there is provided a mobile location information hiding method comprising the steps of:
and blocking the communication connection between the SIM card and the Modem of the mobile terminal, forwarding a communication instruction of the mobile terminal to the SIM card, forwarding the authentication information to the fixed IP base station after the SIM card authenticates, sending the authentication information to the core network element of the operator by the fixed IP base station for authentication, and returning the authentication result to the SIM card by the fixed IP base station.
Preferably, the fixed IP base station contains the complete base station protocol required by the eNodeB and no radio frequency unit.
The present invention also provides a mobile location information hiding system, comprising: the system comprises a core card, a mobile terminal dialing application, a management module and a position anti-tracking module;
the mobile terminal dialing application is used for sending a communication instruction;
the core card is attached to an SIM card of the mobile terminal and used for blocking the communication connection between the SIM card and a Modem of the mobile terminal and transmitting a communication instruction sent by the dialing application of the mobile terminal to the SIM card, and after the SIM card authenticates the authority, the core card transmits authentication information to the dialing application of the mobile terminal;
the operation and management module is in wireless communication connection with the mobile terminal and is used for receiving authentication information sent by the mobile terminal dialing application;
the position anti-tracking module is in communication connection with the transportation and management module and used for receiving authentication information sent by the transportation and management module, the position anti-tracking module comprises a fixed IP base station, the fixed IP base station is connected with an operator core network element through an S1-MME/S1-U interface, the position anti-tracking module is accessed to the operator core network element in an IPSec mode and sends the authentication information to the operator core network element for authentication, and then the authentication result is returned to the SIM card through the transportation and management module, mobile terminal dialing application and a core card.
Preferably, the location traceback module further comprises a SIM subunit, a forwarding subunit and a security subunit;
the SIM subunit is used for processing authentication information corresponding to the SIM card and is responsible for forwarding an authentication result to the operation and management module;
the forwarding subunit is used for transferring the voice and the short message data to the operation and management module in an IP mode, and transferring the voice and the short message data to the mobile terminal dialing application by the operation and management module;
the safety subunit is used for accessing to the operator core network element through IPSec and carrying out safety communication with the operation management module.
Preferably, the operation management module is further configured to monitor an operation state of the mobile location information hiding system, manage user identity data of the mobile terminal, ensure secure communication with the mobile terminal and the location anti-tracking module, and configure the user forged mobile location information.
The invention also provides a network access method applying the mobile location information hiding system, which comprises the following steps:
initiating a network access request through the mobile terminal dialing application, forwarding the network access request to the SIM card by the core card, and forwarding authentication information to the mobile terminal dialing application by the core card after the SIM card authenticates;
the mobile terminal dialing application sends authentication information to the tube transport module, the tube transport module sends the authentication information to the position anti-tracking module, the position anti-tracking module is accessed to a core network element of an operator to access an SIM card to a network after being encrypted through an IPSec through an S1 interface, and the position anti-tracking module returns an authentication result to the SIM card through the tube transport module, the mobile terminal dialing application and the core card.
The invention also provides a telephone answering method applying the mobile position information hiding system, which comprises the following steps:
the position back tracking module receives an incoming call signaling sent by a core network element of an operator, and then forwards the incoming call signaling to the operation and management module, and the operation and management module forwards the incoming call signaling to the dialing application of the mobile terminal;
when a user sends an answering instruction, the mobile terminal dialing application sends an answering signaling, and the answering signaling is forwarded to the location back-tracking module through the operation management system, and the location back-tracking module is accessed to a core network element of an operator to answer the call;
the position anti-tracking module feeds back a connection signaling, the mobile terminal dialing application selects a corresponding voice coder to perform voice coding and decoding according to a connection channel, and the operation management module and the position anti-tracking module do not perform secondary transcoding on the voice coding and decoding, so that voice data transparent transmission is realized;
the operation management module and the position back-tracking module transmit the voice data of the mobile terminal to the core network element of the operator to realize telephone answering.
The invention also provides a short message sending method applying the mobile position information hiding system, which comprises the following steps:
editing short messages through a mobile terminal dialing application and sending the short messages to a transport management module, forwarding the short messages to a position anti-tracking module by the transport management module, and accessing the short messages to a core network element of an operator through an S1 interface by the position anti-tracking module;
the operator core network element processes according to the standard protocol and returns the message sending success information to the position back tracking module, the position back tracking module forwards the message sending success information to the mobile terminal dialing application through the operation management module, and the mobile terminal displays the message sending success state.
The invention at least comprises the following beneficial effects: the mode of a core card and a telephone SIM card is adopted, the core card is used for blocking the communication connection between the SIM card and a mobile terminal Modem, and further blocking the contact between the telephone SIM card and a mobile base station, the original mode that a mobile phone is accessed into the mobile base station through a radio frequency signal is broken through, the mode is changed into an IP network mode, and the mobile phone SIM card is accessed into a core network element of an operator in the mode of the IP base station, so that the mobile position information of the telephone SIM card is hidden. The invention has universality for various brand terminals because the invention does not need to transform any software and hardware of the mobile phone. The invention can be realized without modifying the operator network by adopting a standard IP base station mode. The method and the system are all used in general regardless of network or future terminal upgrading, and have extremely strong universality.
Additional advantages, objects, and features of the invention will be set forth in part in the description which follows and in part will become apparent to those having ordinary skill in the art upon examination of the following or may be learned from practice of the invention.
Drawings
FIG. 1 is a flow chart of a mobile location information hiding method according to the present invention;
fig. 2 is a block diagram of a mobile location information hiding system according to the present invention.
Detailed Description
The present invention is described in further detail below with reference to the attached drawings so that those skilled in the art can implement the invention by referring to the description text.
It is to be noted that the experimental methods described in the following embodiments are all conventional methods unless otherwise specified, and the reagents and materials, if not otherwise specified, are commercially available; in the description of the present invention, the terms "lateral", "longitudinal", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.
In the invention, SIM (Subscriber identity Module) card is also called as user identity Identification card and smart card, GSM digital mobile phone must be equipped with the SIM card for use, and the subsequent SIM cards refer to the general names of SIM cards or SIM card slots with various specifications;
telephone SIM card: the SIM card supporting telephone and data services has the capabilities of receiving and calling voice and receiving and sending short messages.
A data SIM card: the SIM card only supports data service, does not support voice service, does not have telephone and short message functions, and does not point to a specific user.
Moving position information: the mobile phone is accessed to a base station through an SIM card, and the current mobile terminal position information is directly or indirectly generated by the base station or a radio frequency signal of the mobile phone. The position information is formed indirectly according to the telecommunication standard after the mobile terminal and the SIM card are accessed into the base station without additionally opening service.
SS7 signaling system a set of telecommunications protocols defined by ITU-T, primarily used to provide interoffice signaling for mobile communication companies.
Core card pasting: a thin film SIM card is pasted on an SIM card, is arranged between the SIM card and a mobile phone terminal, has three forms of a standard SIM card, a Micro SIM card and a Nano SIM card, is internally provided with a safety chip, and has the capabilities of information encryption and decryption and true random number generation.
As shown in fig. 1, the present invention provides a method for hiding mobile location information, which includes the following steps:
s101, blocking communication connection between the SIM card and the Modem of the mobile terminal, forwarding a communication instruction of the mobile terminal to the SIM card, forwarding authentication information to the fixed IP base station after the SIM card authenticates, sending the authentication information to a core network element of an operator by the fixed IP base station for authentication, and returning an authentication result to the SIM card by the fixed IP base station.
The mobile terminal comprises a mobile phone or a tablet personal computer with a mobile communication function and the like, and the SIM card in the invention generally refers to a telephone SIM card.
The method cuts off the SIM card to communicate with the mobile base station through a radio frequency mode through the core card, the core card enables the SIM card to be blocked into the network authentication information to communicate with the credible fixed IP base station in an IP mode by means of the application on the mobile terminal, the credible fixed IP base station completes the network access communication of the operator, the hiding of the mobile position information is realized, the method is generally suitable for mobile terminals of various brands and networks of various large operators, and the mobile terminal and the network of the operator are not required to be reformed.
The fixed IP base station contains a complete base station protocol required by the eNodeB and does not contain a radio frequency unit, so that an illegal method cannot acquire the mobile location information of the user by cracking a wireless signal sent by the radio frequency unit.
As shown in fig. 2, the present invention further provides a mobile location information hiding system, including: the system comprises a core sticking card, a mobile terminal dialing application, a transportation and management module and a position anti-tracking module;
the mobile terminal dialing application is used for sending a communication instruction;
the mobile terminal dialing application (dialing application for short) is an APP application which is generally suitable for various mobile operating systems, and can be installed after being downloaded, software and hardware of the mobile terminal do not need to be modified, from the communication angle, the dialing application is in charge of communicating with a core card by means of a machine card channel of the mobile terminal, and is in charge of communicating with a transportation and management module on the other hand, and the dialing application is in charge of forwarding SIM card authentication information required by the transportation and management module. Meanwhile, the dialing application is responsible for the functions of call receiving and calling, short message receiving and sending, address list management, user identity binding and the like of the SIM card
The core card is attached to an SIM card of the mobile terminal and used for blocking the communication connection between the SIM card and a Modem of the mobile terminal and transmitting a communication instruction sent by the dialing application of the mobile terminal to the SIM card, and after the SIM card authenticates the authority, the core card transmits authentication information to the dialing application of the mobile terminal;
the core card is attached to the SIM card to be hidden, a 7816 interface is adopted to be in communication connection with the mobile terminal and the SIM card respectively, the communication connection between the SIM card and the Modem of the mobile terminal is intercepted between the mobile terminal and the SIM card to be hidden, and the SIM card is not inserted into the card slot when viewed by the mobile terminal, so that the core card plays a role in blocking the communication between the SIM card and the mobile base station. Meanwhile, the core card is also responsible for receiving and transmitting a communication instruction of the dialing application and forwarding the communication instruction to the telephone SIM card needing to be hidden, the SIM card completes SIM information authentication, and at the moment, the core card is responsible for collecting authentication information of the SIM card needing to be hidden and sending the authentication information back to the dialing application. In addition, the core card is internally provided with a security chip and is used for realizing identity binding among the dialing application, the telephone SIM card and the transportation and management system.
The core card here includes two modes of operation: blocking mode and non-blocking mode. The core card can start a non-blocking mode, the SIM card is enabled to directly communicate with the CP Modem of the mobile terminal without hiding the position, and the core card works in the blocking mode under the default condition.
The core card can also write the data SIM card service into the core card, and from the service perspective, the mobile terminal only needs one core card plus the telephone SIM card without additional data SIM card, thereby seamlessly supporting the mobile phone with a single SIM card slot.
The core card can also combine the functions of a telephone SIM card and a core card into a hard SIM card with the standard SIM size of double CPUs, and has the functions of the core card and the telephone SIM card.
The dialing application can also realize end-to-end information encryption and decryption of voice and short messages among users using the dialing application, and realize the binding between a telephone SIM card and the mobile phone terminal.
The operation and management module is in wireless communication connection with the mobile terminal and is used for receiving authentication information sent by the mobile terminal dialing application;
the operation and management module is mainly used for managing a mobile position information hiding system, is responsible for connecting the communication between the SIM card and the position anti-tracking module, manages and stores user data and manages the position anti-tracking system. The core features include: the method comprises the steps of monitoring the operation state of a mobile position information hiding system (monitoring whether the mobile position information hiding system normally operates or not, the occupation condition of server resources and the state of a user), managing user identity data (mainly comprising a telephone SIM card number, core card information and the binding relationship between the SIM card and the core card), ensuring safe communication with a terminal and a position anti-tracking system (realizing safe communication by adopting technologies such as a link encryption technology, bidirectional identity authentication or data information source encryption and the like), and configuring user fake mobile position information (configuring the user fake mobile position information by adopting modes such as manual input or batch file import and the like). The operation and management module can be deployed in a cloud server or an entity background server, the mobile terminal is in communication connection with the operation and management module through WIFI or a wireless network of another data SIM card, and an illegal party cannot acquire the mobile position information of the user because a WIFI information source or another data SIM card is not bound with the identity of the user.
The position anti-tracking module is in communication connection with the operation and management module and used for receiving authentication information sent by the operation and management module, the position anti-tracking module comprises a fixed IP base station, the fixed IP base station is connected with a core network element of an operator through an S1-MME/S1-U interface, the position anti-tracking module is accessed to the core network element of the operator in an IPSec mode and sends the authentication information to the core network element of the operator for authentication certification, and then the authentication certification result is returned to the SIM card through the operation and management module, mobile terminal dialing application and the core card.
The position anti-tracking module also comprises a SIM subunit, a forwarding subunit and a safety subunit;
the SIM subunit is used for processing the authentication information corresponding to the SIM card, and because a large amount of data of different users are stored in the operation and management module, the SIM card authentication information corresponding to each user needs to be distinguished for receiving and sending, and the SIM subunit is also responsible for forwarding the authentication and authentication result to the operation and management module;
the forwarding subunit is used for transferring the voice and the short message data to the operation and management module in an IP mode, and the operation and management module transfers the voice and the short message data to the mobile terminal dialing application;
the safety subunit is used for accessing to the operator core network element through IPSec and carrying out safety communication with the operation management module.
The invention also provides a network access method applying the mobile location information hiding system, which comprises the following steps:
initiating a network access request through the mobile terminal dialing application, forwarding the network access request to the SIM card by the core card, and forwarding authentication information to the mobile terminal dialing application by the core card after the SIM card authenticates;
the mobile terminal dialing application sends the authentication information to the fortune pipe module, the fortune pipe module sends the authentication information to the position anti-tracking module, the position anti-tracking module is accessed to an operator core network for SIM card networking after being encrypted through IPSec through an S1 interface, and the position anti-tracking module returns the authentication result to the SIM card through the fortune pipe module, the mobile terminal dialing application and the core card.
The invention also provides a telephone answering method applying the mobile position information hiding system, which comprises the following steps:
the position back tracking module receives an incoming call signaling sent by a core network element of an operator, and then forwards the incoming call signaling to the operation and management module, and the operation and management module forwards the incoming call signaling to the dialing application of the mobile terminal;
when a user sends an answering instruction, the mobile terminal dialing application sends an answering signaling, and the answering signaling is forwarded to the location back-tracking module through the operation management system, and the location back-tracking module is accessed to a core network element of an operator to answer the call;
the position anti-tracking module feeds back a connection signaling, the mobile terminal dialing application selects a corresponding voice coder to perform voice coding and decoding according to a connection channel, and the operation management module and the position anti-tracking module do not perform secondary transcoding on the voice coding and decoding, so that voice data transparent transmission is realized;
the operation management module and the position back tracking module transparently transmit the voice data of the mobile terminal to the core network element of the operator to realize telephone answering.
The invention also provides a short message sending method applying the mobile position information hiding system, which comprises the following steps:
editing short messages through a mobile terminal dialing application and sending the short messages to a transport management module, forwarding the short messages to a position anti-tracking module by the transport management module, and accessing the short messages to a core network element of an operator through an S1 interface by the position anti-tracking module;
the operator core network element processes according to the standard protocol and returns the message sending success information to the position back tracking module, the position back tracking module forwards the message sending success information to the mobile terminal dialing application through the operation management module, and the mobile terminal displays the message sending success state.
Through the mobile position information hiding system, an illegal party hardly acquires key information of a user by remotely utilizing SS7, when the illegal party remotely inquires the user information of the SIM card through SS7 signaling, an inquiry instruction is transferred to an HLR register of the home location of the SIM card, the HLR register of the home location of the SIM card exists in a credible fixed IP base station, the fixed IP base station also belongs to one part of a position anti-tracking module, the inquiry instruction is transferred to a transportation management module by the position anti-tracking module, and the configured forged mobile position information of the user is sent to the position anti-tracking module by the transportation management module, so that the illegal party remotely acquires the false mobile position information of the user.
While embodiments of the invention have been described above, it is not limited to the applications set forth in the description and the embodiments, which are fully applicable in various fields of endeavor to which the invention pertains, and further modifications may readily be made by those skilled in the art, it being understood that the invention is not limited to the details shown and described herein without departing from the general concept defined by the appended claims and their equivalents.
Claims (7)
1. A mobile position information hiding method is characterized by comprising the following steps:
the communication connection between the SIM card and the Modem of the mobile terminal is blocked, the communication instruction of the mobile terminal is forwarded to the SIM card, the authentication information is forwarded to the fixed IP base station after the SIM card is authenticated, the authentication information is sent to the core network element of the operator by the fixed IP base station for authentication, the fixed IP base station returns the authentication result to the SIM card, and the fixed IP base station comprises a complete base station protocol required by the eNodeB and does not contain a radio frequency unit.
2. A mobile location information hiding system, comprising: the system comprises a core sticking card, a mobile terminal dialing application, a transportation and management module and a position anti-tracking module;
the mobile terminal dialing application is used for sending a communication instruction;
the core card is attached to an SIM card of the mobile terminal and used for blocking the communication connection between the SIM card and a Modem of the mobile terminal and forwarding a communication instruction sent by the dialing application of the mobile terminal to the SIM card, and after the SIM card authenticates, the core card forwards authentication information to the dialing application of the mobile terminal;
the operation and management module is in wireless communication connection with the mobile terminal and is used for receiving authentication information sent by the mobile terminal dialing application;
the position anti-tracking module is in communication connection with the operation management module and used for receiving authentication information sent by the operation management module, the position anti-tracking module comprises a fixed IP base station, the fixed IP base station comprises a complete base station protocol required by eNodeB and does not contain a radio frequency unit, the fixed IP base station is connected with a core network element of an operator through an S1-MME/S1-U interface, the position anti-tracking module is accessed to the core network element of the operator in an IPSec mode, the fixed IP base station sends the authentication information to the core network element of the operator for authentication certification, and then an authentication certification result is returned to the SIM card through the operation management module, mobile terminal dialing application and a core card.
3. The mobile location information hiding system of claim 2 wherein said location traceback module further comprises a SIM subunit, a forwarding subunit and a security subunit;
the SIM subunit is used for processing authentication information corresponding to the SIM card and is responsible for forwarding an authentication result to the operation and management module;
the forwarding subunit is used for transferring the voice and the short message data to the operation and management module in an IP mode, and transferring the voice and the short message data to the mobile terminal dialing application by the operation and management module;
the safety subunit is used for accessing the core network element of the operator through IPSec and carrying out safety communication with the operation and management module.
4. The mobile location information hiding system of claim 2, wherein the administration module is further configured to monitor an operation status of the mobile location information hiding system, manage user identification data of the mobile terminal, ensure secure communication with the mobile terminal and the location anti-tracking module, and configure the user forged mobile location information.
5. A network access method applied to the mobile location information hiding system as claimed in claim 2, comprising the steps of:
initiating a network access request through the mobile terminal dialing application, forwarding the network access request to the SIM card by the core card, and forwarding authentication information to the mobile terminal dialing application by the core card after the SIM card authenticates;
the mobile terminal dialing application sends authentication information to the tube transport module, the tube transport module sends the authentication information to the position anti-tracking module, the position anti-tracking module is accessed to a core network element of an operator to access an SIM card to a network after being encrypted through an IPSec through an S1 interface, and the position anti-tracking module returns an authentication result to the SIM card through the tube transport module, the mobile terminal dialing application and the core card.
6. A telephone answering method applied to the mobile location information hiding system according to claim 2, comprising the steps of:
the position back-tracking module receives an incoming call signaling sent by an operator core network element, and then forwards the incoming call signaling to the operation and management module, and the operation and management module forwards the incoming call signaling to the mobile terminal dialing application;
when a user sends an answering instruction, the mobile terminal dialing application sends an answering signaling, the answering signaling is forwarded to the location back-tracking module through the operation management module, and the location back-tracking module is accessed to a core network element of an operator to answer the call;
the position anti-tracking module feeds back a connection signaling, the mobile terminal dialing application selects a corresponding voice coder to perform voice coding and decoding according to a connection channel, and the operation management module and the position anti-tracking module do not perform secondary transcoding on the voice coding and decoding, so that voice data transparent transmission is realized;
the operation management module and the position back tracking module transparently transmit the voice data of the mobile terminal to the core network element of the operator to realize telephone answering.
7. A short message sending method applied to the mobile location information hiding system as claimed in claim 2, characterized by comprising the following steps:
editing short messages through a mobile terminal dialing application and sending the short messages to a transport management module, forwarding the short messages to a position anti-tracking module by the transport management module, and accessing the short messages to a core network element of an operator through an S1 interface by the position anti-tracking module;
the operator core network element processes according to the standard protocol and returns the message sending success information to the position back tracking module, the position back tracking module forwards the message sending success information to the mobile terminal dialing application through the operation management module, and the mobile terminal displays the message sending success state.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910890253.3A CN110636501B (en) | 2019-09-20 | 2019-09-20 | Mobile position information hiding method and system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910890253.3A CN110636501B (en) | 2019-09-20 | 2019-09-20 | Mobile position information hiding method and system |
Publications (2)
| Publication Number | Publication Date |
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| CN110636501A CN110636501A (en) | 2019-12-31 |
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