CN111107550A - Dual-channel access registration method and device for 5G terminal equipment and storage medium - Google Patents
Dual-channel access registration method and device for 5G terminal equipment and storage medium Download PDFInfo
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- CN111107550A CN111107550A CN201911401906.3A CN201911401906A CN111107550A CN 111107550 A CN111107550 A CN 111107550A CN 201911401906 A CN201911401906 A CN 201911401906A CN 111107550 A CN111107550 A CN 111107550A
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- H—ELECTRICITY
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- 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
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Abstract
The embodiment of the invention provides a dual-channel access registration method, a device and a storage medium for 5G terminal equipment. The embodiment of the invention adopts two channels to communicate with the temporary identity registration server through the 5G terminal equipment, one channel is a block chain network, and the other channel is a 5G new wireless base station and a user plane network element function, so that the 5G terminal equipment can exchange respective public keys with the temporary identity registration server through the block chain network, the 5G terminal equipment sends encrypted information to the temporary identity registration server through the 5G channel, the encrypted information needs to be decrypted by the public keys, and an attacker can only hijack data in one channel at the same time and cannot hijack data in the two channels, so that the 5G terminal equipment without an SIM card can be prevented from being attacked by the pseudo base station, the safety of the 5G terminal equipment is improved, and the block chain network is guaranteed to be non-falsification and traceable.
Description
Technical Field
The embodiment of the invention relates to the technical field of communication, in particular to a dual-channel access registration method, dual-channel access registration equipment and a storage medium for 5G terminal equipment.
Background
In the current 5G network, if a terminal device needs to access the 5G network, a user of the terminal device needs to go to a business office to handle a Subscriber Identity Module (SIM). The terminal equipment can perform bidirectional authentication with the 5G network equipment through the SIM card.
Therefore, if the 5G terminal device does not have the SIM card, the 5G terminal device cannot perform bidirectional authentication with the 5G network device. Therefore, the 5G terminal equipment without the SIM card is easily attacked by the pseudo base station, and certain potential safety hazard is brought to the 5G terminal equipment.
Disclosure of Invention
The embodiment of the invention provides a dual-channel access registration method, a device and a storage medium for 5G terminal equipment, which are used for avoiding the attack of the 5G terminal equipment without an SIM card by a pseudo base station, improving the safety of the 5G terminal equipment and ensuring that a block chain network is not falsifiable and traceable.
In a first aspect, an embodiment of the present invention provides a dual-channel access registration method for a 5G terminal device, including:
the 5G terminal equipment acquires a public key of the temporary identity registration server through the block chain network;
the 5G terminal equipment generates a random number, and encrypts the random number by adopting a public key of the temporary identity registration server to obtain first encryption information;
the 5G terminal equipment signs the first encrypted information by adopting a private key of the 5G terminal equipment;
the 5G terminal equipment respectively adopts the block chain network and a 5G channel to send the signed first encryption information to the temporary identity registration server so that the temporary identity registration server can obtain the random number according to the signed first encryption information, wherein the 5G channel comprises a 5G new wireless base station and a user plane network element function;
the 5G terminal equipment receives the information which is sent by the temporary identity registration server and is related to the random number through the block chain network and the 5G channel respectively;
when the 5G terminal equipment determines that the information related to the random number respectively received through the block chain network and the 5G channel is the same, verifying the temporary identity registration server according to the information related to the random number;
and when the temporary identity registration server passes the verification, the 5G terminal equipment and the temporary identity registration server communicate according to the key related to the random number.
In a second aspect, an embodiment of the present invention provides a dual-channel access registration method for a 5G terminal device, including:
the temporary identity registration server acquires a public key of the 5G terminal equipment through a block chain network;
the temporary identity registration server receives first encryption information which is sent by the 5G terminal equipment and signed by a private key of the 5G terminal equipment through the blockchain network and a 5G channel respectively, wherein the first encryption information is obtained by encrypting a random number generated by the 5G terminal equipment by adopting a public key of the temporary identity registration server, and the 5G channel comprises a 5G new wireless base station and a user plane network element function;
the temporary identity registration server acquires the random number according to the signed first encryption information;
the temporary identity registration server sends information related to the random number to the 5G terminal equipment through the block chain network and the 5G channel respectively, so that the 5G terminal equipment verifies the temporary identity registration server according to the information related to the random number;
and when the temporary identity registration server passes the verification, the temporary identity registration server and the 5G terminal equipment communicate according to the key related to the random number.
In a third aspect, an embodiment of the present invention provides a 5G terminal device, including:
a memory;
a processor;
a communication interface; and
a computer program;
wherein the computer program is stored in the memory and configured to be executed by the processor to:
acquiring a public key of a temporary identity registration server through a block chain network;
generating a random number, and encrypting the random number by adopting a public key of the temporary identity registration server to obtain first encryption information;
signing the first encrypted information by adopting a private key of the 5G terminal equipment;
the signed first encryption information is sent to the temporary identity registration server by respectively adopting the block chain network and a 5G channel, so that the temporary identity registration server obtains the random number according to the signed first encryption information, wherein the 5G channel comprises a 5G new wireless base station and a user plane network element function;
receiving the information related to the random number sent by the temporary identity registration server through the blockchain network and the 5G channel respectively;
when the information related to the random number respectively received through the block chain network and the 5G channel is determined to be the same, verifying the temporary identity registration server according to the information related to the random number;
and when the temporary identity registration server passes the verification, the temporary identity registration server communicates with the temporary identity registration server according to the key related to the random number.
In a fourth aspect, an embodiment of the present invention provides a temporary identity registration server, including:
a memory;
a processor;
a communication interface; and
a computer program;
wherein the computer program is stored in the memory and configured to be executed by the processor to:
acquiring a public key of the 5G terminal equipment through a block chain network;
receiving first encryption information which is sent by the 5G terminal equipment and signed by a private key of the 5G terminal equipment through the blockchain network and a 5G channel respectively, wherein the first encryption information is obtained by encrypting a random number generated by the 5G terminal equipment by using a public key of the temporary identity registration server, and the 5G channel comprises a 5G new wireless base station and a user plane network element function;
acquiring the random number according to the signed first encryption information;
sending information related to the random number to the 5G terminal device through the block chain network and the 5G channel respectively, so that the 5G terminal device verifies the temporary identity registration server according to the information related to the random number;
and after the temporary identity registration server passes the verification, the temporary identity registration server communicates with the 5G terminal equipment according to the key related to the random number.
In a fifth aspect, the present invention provides a computer-readable storage medium, on which a computer program is stored, the computer program being executed by a processor to implement the method of the first aspect or the second aspect.
The 5G terminal equipment dual-channel access registration method, equipment and storage medium provided by the embodiment of the invention adopt two channels for communication through the 5G terminal equipment and the temporary identity registration server, one channel is a block chain network, and the other channel is a 5G new wireless base station and a user plane network element function, so that the 5G terminal equipment can exchange respective public keys with the temporary identity registration server through the block chain network, the 5G terminal equipment sends encryption information to the temporary identity registration server through the 5G channel, the encryption information needs to be decrypted by the public key, namely, one channel is used for sending the encryption information, the other channel is used for sending information required by decryption, as an attacker can only hijack data in one channel at the same time and cannot hijack data in the two channels, the 5G terminal equipment without an SIM card can be prevented from being attacked by a pseudo base station, the security of the 5G terminal device is improved, and the fact that the blockchain network is not falsifiable and traceable is guaranteed.
Drawings
Fig. 1 is a schematic diagram of a communication system according to an embodiment of the present invention;
fig. 2 is a flowchart of a dual-channel access registration method for 5G terminal equipment according to an embodiment of the present invention;
fig. 3 is a flowchart of a dual-channel access registration method for a 5G terminal device according to another embodiment of the present invention;
fig. 4 is a schematic structural diagram of a 5G terminal device according to an embodiment of the present invention;
fig. 5 is a schematic structural diagram of a temporary identity registration server according to an embodiment of the present invention.
With the foregoing drawings in mind, certain embodiments of the disclosure have been shown and described in more detail below. These drawings and written description are not intended to limit the scope of the disclosed concepts in any way, but rather to illustrate the concepts of the disclosure to those skilled in the art by reference to specific embodiments.
Detailed Description
Reference will now be made in detail to the exemplary embodiments, examples of which are illustrated in the accompanying drawings. When the following description refers to the accompanying drawings, like numbers in different drawings represent the same or similar elements unless otherwise indicated. The implementations described in the exemplary embodiments below are not intended to represent all implementations consistent with the present disclosure. Rather, they are merely examples of apparatus and methods consistent with certain aspects of the present disclosure, as detailed in the appended claims.
The dual-channel access registration method for the 5G terminal equipment provided by the embodiment of the invention can be applied to the communication system shown in figure 1. As shown in fig. 1, the communication system includes: the mobile terminal includes 5G terminal equipment 11, a 5G new wireless base station 12, a User Plane network Function (UPF) 13, a network element 14, a Unified User Data Management (UDM) Function 15, and a temporary identity registration server 16, where the network element 14 may include an Access and Mobility Management Function (AMF) and a Session Management Function (SMF). In some embodiments, the AMF and SMF may be deployed in different devices, respectively. 5G New Radio base station 5G New Radio Access Technology (NR) base station (neighbor Node B, gNB).
It is to be understood that this is by way of illustration only. The temporary identity registration server can be one or a plurality of cloud servers, the cloud servers are a server cluster, a plurality of servers are similar to a universal computer framework, and the cloud servers comprise a processor, a hard disk, a memory, a system bus and the like. The 5G terminal device 11 is, for example, a smart phone, a tablet computer, or the like.
The embodiment of the invention provides a dual-channel access registration method for 5G terminal equipment, which aims to solve the technical problems in the prior art.
The following describes the technical solutions of the present invention and how to solve the above technical problems with specific embodiments. The following several specific embodiments may be combined with each other, and details of the same or similar concepts or processes may not be repeated in some embodiments. Embodiments of the present invention will be described below with reference to the accompanying drawings.
Fig. 2 is a flowchart of a dual-channel access registration method for 5G terminal equipment according to an embodiment of the present invention. The embodiment of the invention provides a dual-channel access registration method for 5G terminal equipment aiming at the technical problems in the prior art, and the method comprises the following specific steps:
As shown in fig. 1, the 5G terminal device 11 may access the 5G network through two channels, for example, the temporary identity registration server 16 is a network element in the 5G network, so that the 5G terminal device 11 may communicate with the temporary identity registration server 16 through two channels, where one channel is a block chain network and the other channel is a 5G channel, and the 5G channel includes a 5G new radio base station 12 and a User Plane Function (UPF) 13. Specifically, the 5G terminal device 11 may access the blockchain network through the WIFI network or a network of another operator.
In addition, the 5G terminal device 11 may also install an Application (APP) of the target operator, and the APP may be used for registration of the 5G terminal device 11. The APP may have address information for the temporary identity registration server 16 built in. Alternatively, the address information of the temporary identity registration server 16 may be input by the user. The 5G terminal device 11 and the temporary identity registration server 16 are both nodes in the blockchain network.
Specifically, the APP on the 5G terminal device 11 may exchange public key information with the temporary identity registration server 16 through the blockchain network, for example, the temporary identity registration server 16 may send the public key of the temporary identity registration server 16 to the 5G terminal device 11 through the blockchain network, or the temporary identity registration server 16 may send the blockchain identifier of the temporary identity registration server 16 to the 5G terminal device 11 through the blockchain network, and the 5G terminal device 11 queries the blockchain account according to the blockchain identifier of the temporary identity registration server 16 to obtain the public key of the temporary identity registration server 16. The 5G terminal device 11 may send the public key of the 5G terminal device 11 to the temporary identity registration server 16 through the blockchain network, or the 5G terminal device 11 may send a blockchain identifier of the 5G terminal device 11, for example, the identifier of the 5G terminal device 11, to the temporary identity registration server 16 through the blockchain network, and the temporary identity registration server 16 may query a blockchain account according to the identifier of the 5G terminal device 11 to obtain the public key of the 5G terminal device 11.
Step 202, the 5G terminal device generates a random number, and encrypts the random number by using the public key of the temporary identity registration server to obtain first encryption information.
The 5G terminal device may initiate the baseband module to search for wireless signals, e.g. 5G signals, of the target operator's 5G new wireless base station. As shown in fig. 1, the 5G terminal apparatus 11 can establish a communication connection with the 5G new radio base station 12 in accordance with the 5G signal of the 5G new radio base station 12. Further, the 5G terminal device 11 transmits authentication information to the 5G new wireless base station 12, and the 5G new wireless base station 12 transmits the authentication information to the AMF. If the AMF determines that the 5G terminal device 11 does not have the SIM card according to the authentication information, the AMF notifies a User Plane network Function (UPF) 13, and forwards a message subsequently sent by the 5G terminal device 11 to the temporary identity registration server 16.
Specifically, the APP of the 5G terminal device 11 may generate a random number, and encrypt the random number by using the public key of the temporary identity registration server 16 to obtain the first encryption information.
And 203, the 5G terminal device signs the first encrypted information by using the private key of the 5G terminal device.
Further, the 5G terminal device 11 signs the first encrypted information with a private key of the 5G terminal device 11.
And step 204, the 5G terminal device sends the signed first encryption information to the temporary identity registration server by using the block chain network and a 5G channel, respectively, so that the temporary identity registration server obtains the random number according to the signed first encryption information, wherein the 5G channel includes a 5G new wireless base station and a user plane network element function.
Specifically, the 5G terminal device sends the signed first encryption information and the identification information of the 5G terminal device 11 to the temporary identity registration server 16 through a 5G channel, that is, a 5G new radio base station 12 and a user plane network Function (UPF) 13. Meanwhile, the 5G terminal device broadcasts the signed first encryption information to the blockchain network, so that the temporary identity registration server 16 may receive the signed first encryption information through the 5G channel and may also receive the signed first encryption information through the blockchain network.
Further, the temporary identity registration server 16 may verify whether the signed first encryption information received by the temporary identity registration server 16 through the 5G channel is consistent with the signed first encryption information received by the temporary identity registration server 16 through the blockchain network, if the identity information is consistent with the identity information of the 5G terminal device 11, the temporary identity registration server 16 searches and obtains the public key of the 5G terminal device 11 according to the identification information of the 5G terminal device 11, and verifies the signature using the public key of the 5G terminal device 11, and if the signature is verified, the temporary identity registration server 16 further verifies whether the first encryption information respectively received through the 5G channel and the blockchain network is the same, if the first encrypted information is the same as the random number, the temporary identity registration server 16 decrypts the first encrypted information by using its own private key to obtain the random number.
And step 206, when the 5G terminal device determines that the information related to the random number respectively received through the blockchain network and the 5G channel is the same, verifying the temporary identity registration server according to the information related to the random number.
In one possible implementation, the information related to the random number includes: the temporary identity registration server adopts the random number to encrypt a public key of the temporary identity registration server to obtain second encryption information; the 5G terminal equipment verifies the temporary identity registration server according to the information related to the random number, and the verification comprises the following steps: the 5G terminal equipment decrypts the second encrypted information by adopting the random number to obtain decrypted information; and if the decryption information is the same as the public key of the temporary identity registration server acquired by the 5G terminal equipment through the first channel, the 5G terminal equipment determines that the temporary identity registration server passes the verification.
For example, after the temporary identity registration server 16 obtains the random number, the temporary identity registration server 16 may encrypt the public key of the temporary identity registration server 16 by using the random number according to a preset encryption algorithm to obtain second encrypted information, where the second encrypted information may be information related to the random number, and the temporary identity registration server 16 may send the second encrypted information to the 5G terminal device 11 through the 5G channel and the blockchain network, respectively. When the 5G terminal device 11 receives the second encrypted information from the 5G channel and the blockchain network, it first compares whether the second encrypted information received from the 5G channel and the blockchain network is the same, and if the second encrypted information is the same, the 5G terminal device 11 may decrypt the second encrypted information by using the random number generated by itself and the preset decryption algorithm to obtain the decrypted information. If the decryption information is the same as the public key of the temporary identity registration server 16 acquired by the 5G terminal device 11 through the first channel, the 5G terminal device 11 determines that the temporary identity registration server 16 is authenticated.
In another possible implementation manner, the information related to the random number includes: the temporary identity registration server adopts a private key of the temporary identity registration server to encrypt the random number to obtain third encryption information; the 5G terminal equipment verifies the temporary identity registration server according to the information related to the random number, and the verification comprises the following steps: the 5G terminal equipment decrypts the third encrypted information by adopting the public key of the temporary identity registration server to obtain decrypted information; and if the decryption information is the same as the random number, the 5G terminal equipment determines that the temporary identity registration server passes the verification.
For example, after the temporary identity registration server 16 obtains the random number, the temporary identity registration server 16 may encrypt the random number according to a preset encryption algorithm by using a private key of the temporary identity registration server 16 to obtain third encrypted information. The third encrypted information may be used as information related to the random number, and the temporary identity registration server 16 may send the third encrypted information to the 5G terminal device 11 through the 5G channel and the blockchain network, respectively. When the 5G terminal device 11 receives the third encrypted information from the 5G channel and the blockchain network, it first compares whether the third encrypted information received from the 5G channel and the blockchain network is the same, and if the third encrypted information is the same, the 5G terminal device 11 may decrypt the third encrypted information by using the public key of the temporary identity registration server 16 and a preset decryption algorithm to obtain decrypted information. If the decryption information is the same as the random number generated by the 5G terminal apparatus 11 itself, the 5G terminal apparatus 11 determines that the temporary identity registration server 16 is authenticated.
In yet another possible implementation manner, the information related to the random number includes: the temporary identity registration server calculates the hash value of the random number and a public key of the temporary identity registration server; the 5G terminal equipment verifies the temporary identity registration server according to the information related to the random number, and the verification comprises the following steps: and if the hash value of the public key of the temporary identity registration server and the random number obtained by the 5G terminal equipment through calculation are the same as the hash value of the public key of the temporary identity registration server and the random number obtained by the temporary identity registration server through calculation, the 5G terminal equipment determines that the temporary identity registration server passes the verification.
For example, after the temporary identity registration server 16 obtains the random number, the temporary identity registration server 16 calculates a hash value of the random number and the public key of the temporary identity registration server 16, where the hash value may be used as information related to the random number, and the temporary identity registration server 16 may send the hash value to the 5G terminal device 11 through the 5G channel and the blockchain network, respectively. When the 5G terminal device 11 receives the hash values from the 5G channel and the blockchain network, it first compares whether the hash values received from the 5G channel and the blockchain network are the same, if so, the 5G terminal device 11 may also calculate a hash value of the random number and the public key of the temporary identity registration server 16, and if the hash value calculated by the 5G terminal device 11 is the same as the hash value calculated by the temporary identity registration server 16, the 5G terminal device 11 determines that the temporary identity registration server 16 passes the verification.
In addition, when the 5G terminal device 11 determines that the temporary identity registration server 16 passes the authentication, the temporary identity registration server 16 may register the 5G terminal device 11, so that the 5G terminal device 11 may also determine that the 5G terminal device 11 has successfully registered.
And step 207, after the temporary identity registration server passes the verification, the 5G terminal device communicates with the temporary identity registration server according to the key related to the random number.
When the temporary identity registration server 16 passes the authentication, the temporary identity registration server 16 and the 5G terminal device 11 possess the same random number, and the temporary identity registration server 16 and the 5G terminal device 11 can generate a related key according to the random number and communicate through the key related to the random number.
The embodiment of the invention adopts two channels to communicate through the 5G terminal equipment and the temporary identity registration server, one channel is a block chain network, the other channel is a 5G new wireless base station and a user plane network element function, so that the 5G terminal equipment can exchange respective public keys with the temporary identity registration server through the block chain network, the 5G terminal equipment sends encrypted information to the temporary identity registration server through the 5G channel, the encrypted information needs to be decrypted by the public key, namely, one channel is used for sending the encrypted information, the other channel is used for sending information needed by decryption, as an attacker can only hijack data in one channel at the same time and cannot hijack data in the two channels, the 5G terminal equipment without an SIM card can be prevented from being attacked by a pseudo base station, the safety of the 5G terminal equipment is improved, and ensures that the blockchain network is tamperproof and traceable.
Fig. 3 is a flowchart of a dual-channel access registration method for a 5G terminal device according to another embodiment of the present invention. On the basis of the foregoing embodiment, the dual-channel access registration method for 5G terminal equipment provided in this embodiment specifically includes the following steps:
As shown in fig. 1, the 5G terminal device 11 may access the 5G network through two channels, for example, the temporary identity registration server 16 is a network element in the 5G network, so that the 5G terminal device 11 may communicate with the temporary identity registration server 16 through two channels, where one channel is a block chain network and the other channel is a 5G channel, and the 5G channel includes a 5G new radio base station 12 and a User Plane Function (UPF) 13. Specifically, the 5G terminal device 11 may access the blockchain network through the WIFI network or a network of another operator.
In addition, the 5G terminal device 11 may also install an Application (APP) of the target operator, and the APP may be used for registration of the 5G terminal device 11. The APP may have address information for the temporary identity registration server 16 built in. Alternatively, the address information of the temporary identity registration server 16 may be input by the user. The 5G terminal device 11 and the temporary identity registration server 16 are both nodes in the blockchain network.
Specifically, the APP on the 5G terminal device 11 may exchange public key information with the temporary identity registration server 16 through the blockchain network, for example, the temporary identity registration server 16 may send the public key of the temporary identity registration server 16 to the 5G terminal device 11 through the blockchain network, or the temporary identity registration server 16 may send the blockchain identifier of the temporary identity registration server 16 to the 5G terminal device 11 through the blockchain network, and the 5G terminal device 11 queries the blockchain account according to the blockchain identifier of the temporary identity registration server 16 to obtain the public key of the temporary identity registration server 16. The 5G terminal device 11 may send the public key of the 5G terminal device 11 to the temporary identity registration server 16 through the blockchain network, or the 5G terminal device 11 may send a blockchain identifier of the 5G terminal device 11, for example, the identifier of the 5G terminal device 11, to the temporary identity registration server 16 through the blockchain network, and the temporary identity registration server 16 may query a blockchain account according to the identifier of the 5G terminal device 11 to obtain the public key of the 5G terminal device 11.
The 5G terminal device may initiate the baseband module to search for wireless signals, e.g. 5G signals, of the target operator's 5G new wireless base station. As shown in fig. 1, the 5G terminal apparatus 11 can establish a communication connection with the 5G new radio base station 12 in accordance with the 5G signal of the 5G new radio base station 12. Further, the 5G terminal device 11 transmits authentication information to the 5G new wireless base station 12, and the 5G new wireless base station 12 transmits the authentication information to the AMF. If the AMF determines that the 5G terminal device 11 does not have the SIM card according to the authentication information, the AMF notifies a User Plane network Function (UPF) 13, and forwards a message subsequently sent by the 5G terminal device 11 to the temporary identity registration server 16.
Specifically, the APP of the 5G terminal device 11 may generate a random number, and encrypt the random number by using the public key of the temporary identity registration server 16 to obtain the first encryption information.
Further, the 5G terminal device 11 signs the first encrypted information with a private key of the 5G terminal device 11.
Specifically, the 5G terminal device sends the signed first encryption information and the identification information of the 5G terminal device 11 to the temporary identity registration server 16 through a 5G channel, that is, a 5G new radio base station 12 and a user plane network Function (UPF) 13. Meanwhile, the 5G terminal device broadcasts the signed first encryption information to the blockchain network, so that the temporary identity registration server 16 may receive the signed first encryption information through the 5G channel and may also receive the signed first encryption information through the blockchain network.
And step 303, the temporary identity registration server obtains the random number according to the signed first encryption information.
Optionally, the acquiring, by the temporary identity registration server, the random number according to the signed first encryption information includes: the temporary identity registration server verifies the signature according to the public key of the 5G terminal equipment; and after the signature passes the verification, the temporary identity registration server decrypts the first encrypted information by adopting a private key of the temporary identity registration server to obtain the random number.
Further, the temporary identity registration server 16 may verify whether the signed first encryption information received by the temporary identity registration server 16 through the 5G channel is consistent with the signed first encryption information received by the temporary identity registration server 16 through the blockchain network, if the identity information is consistent with the identity information of the 5G terminal device 11, the temporary identity registration server 16 searches and obtains the public key of the 5G terminal device 11 according to the identification information of the 5G terminal device 11, and verifies the signature using the public key of the 5G terminal device 11, and if the signature is verified, the temporary identity registration server 16 further verifies whether the first encryption information respectively received through the 5G channel and the blockchain network is the same, if the first encrypted information is the same as the random number, the temporary identity registration server 16 decrypts the first encrypted information by using its own private key to obtain the random number.
In one possible implementation, the information related to the random number includes: the temporary identity registration server adopts the random number to encrypt a public key of the temporary identity registration server to obtain second encryption information; the 5G terminal equipment verifies the temporary identity registration server according to the information related to the random number, and the verification comprises the following steps: the 5G terminal equipment decrypts the second encrypted information by adopting the random number to obtain decrypted information; and if the decryption information is the same as the public key of the temporary identity registration server acquired by the 5G terminal equipment through the first channel, the 5G terminal equipment determines that the temporary identity registration server passes the verification.
For example, after the temporary identity registration server 16 obtains the random number, the temporary identity registration server 16 may encrypt the public key of the temporary identity registration server 16 by using the random number according to a preset encryption algorithm to obtain second encrypted information, where the second encrypted information may be information related to the random number, and the temporary identity registration server 16 may send the second encrypted information to the 5G terminal device 11 through the 5G channel and the blockchain network, respectively. When the 5G terminal device 11 receives the second encrypted information from the 5G channel and the blockchain network, it first compares whether the second encrypted information received from the 5G channel and the blockchain network is the same, and if the second encrypted information is the same, the 5G terminal device 11 may decrypt the second encrypted information by using the random number generated by itself and the preset decryption algorithm to obtain the decrypted information. If the decryption information is the same as the public key of the temporary identity registration server 16 acquired by the 5G terminal device 11 through the first channel, the 5G terminal device 11 determines that the temporary identity registration server 16 is authenticated.
In another possible implementation manner, the information related to the random number includes: the temporary identity registration server adopts a private key of the temporary identity registration server to encrypt the random number to obtain third encryption information; the 5G terminal equipment verifies the temporary identity registration server according to the information related to the random number, and the verification comprises the following steps: the 5G terminal equipment decrypts the third encrypted information by adopting the public key of the temporary identity registration server to obtain decrypted information; and if the decryption information is the same as the random number, the 5G terminal equipment determines that the temporary identity registration server passes the verification.
For example, after the temporary identity registration server 16 obtains the random number, the temporary identity registration server 16 may encrypt the random number according to a preset encryption algorithm by using a private key of the temporary identity registration server 16 to obtain third encrypted information. The third encrypted information may be used as information related to the random number, and the temporary identity registration server 16 may send the third encrypted information to the 5G terminal device 11 through the 5G channel and the blockchain network, respectively. When the 5G terminal device 11 receives the third encrypted information from the 5G channel and the blockchain network, it first compares whether the third encrypted information received from the 5G channel and the blockchain network is the same, and if the third encrypted information is the same, the 5G terminal device 11 may decrypt the third encrypted information by using the public key of the temporary identity registration server 16 and a preset decryption algorithm to obtain decrypted information. If the decryption information is the same as the random number generated by the 5G terminal apparatus 11 itself, the 5G terminal apparatus 11 determines that the temporary identity registration server 16 is authenticated.
In yet another possible implementation manner, the information related to the random number includes: the temporary identity registration server calculates the hash value of the random number and a public key of the temporary identity registration server; the 5G terminal equipment verifies the temporary identity registration server according to the information related to the random number, and the verification comprises the following steps: and if the hash value of the public key of the temporary identity registration server and the random number obtained by the 5G terminal equipment through calculation are the same as the hash value of the public key of the temporary identity registration server and the random number obtained by the temporary identity registration server through calculation, the 5G terminal equipment determines that the temporary identity registration server passes the verification.
For example, after the temporary identity registration server 16 obtains the random number, the temporary identity registration server 16 calculates a hash value of the random number and the public key of the temporary identity registration server 16, where the hash value may be used as information related to the random number, and the temporary identity registration server 16 may send the hash value to the 5G terminal device 11 through the 5G channel and the blockchain network, respectively. When the 5G terminal device 11 receives the hash values from the 5G channel and the blockchain network, it first compares whether the hash values received from the 5G channel and the blockchain network are the same, if so, the 5G terminal device 11 may also calculate a hash value of the random number and the public key of the temporary identity registration server 16, and if the hash value calculated by the 5G terminal device 11 is the same as the hash value calculated by the temporary identity registration server 16, the 5G terminal device 11 determines that the temporary identity registration server 16 passes the verification.
In addition, when the 5G terminal device 11 determines that the temporary identity registration server 16 passes the authentication, the temporary identity registration server 16 may register the 5G terminal device 11, so that the 5G terminal device 11 may also determine that the 5G terminal device 11 has successfully registered.
And 305, after the temporary identity registration server passes the verification, the temporary identity registration server and the 5G terminal device communicate according to the key related to the random number.
When the temporary identity registration server 16 passes the authentication, the temporary identity registration server 16 and the 5G terminal device 11 possess the same random number, and the temporary identity registration server 16 and the 5G terminal device 11 can generate a related key according to the random number and communicate through the key related to the random number.
The embodiment of the invention adopts two channels to communicate through the 5G terminal equipment and the temporary identity registration server, one channel is a block chain network, the other channel is a 5G new wireless base station and a user plane network element function, so that the 5G terminal equipment can exchange respective public keys with the temporary identity registration server through the block chain network, the 5G terminal equipment sends encrypted information to the temporary identity registration server through the 5G channel, the encrypted information needs to be decrypted by the public key, namely, one channel is used for sending the encrypted information, the other channel is used for sending information needed by decryption, as an attacker can only hijack data in one channel at the same time and cannot hijack data in the two channels, the 5G terminal equipment without an SIM card can be prevented from being attacked by a pseudo base station, the safety of the 5G terminal equipment is improved, and ensures that the blockchain network is tamperproof and traceable.
Fig. 4 is a schematic structural diagram of a 5G terminal device according to an embodiment of the present invention. The 5G terminal device provided in the embodiment of the present invention may execute the processing procedure provided in the embodiment of the dual-channel access registration method of the 5G terminal device, and as shown in fig. 4, the 5G terminal device 40 includes: memory 41, processor 42, computer programs and communication interface 43; wherein the computer program is stored in the memory 41 and is configured to be executed by the processor 42 for: acquiring a public key of a temporary identity registration server through a block chain network; generating a random number, and encrypting the random number by adopting a public key of the temporary identity registration server to obtain first encryption information; signing the first encrypted information by adopting a private key of the 5G terminal equipment; the signed first encryption information is sent to the temporary identity registration server by respectively adopting the block chain network and a 5G channel, so that the temporary identity registration server obtains the random number according to the signed first encryption information, wherein the 5G channel comprises a 5G new wireless base station and a user plane network element function; receiving the information related to the random number sent by the temporary identity registration server through the blockchain network and the 5G channel respectively; when the information related to the random number respectively received through the block chain network and the 5G channel is determined to be the same, verifying the temporary identity registration server according to the information related to the random number; and when the temporary identity registration server passes the verification, the temporary identity registration server communicates with the temporary identity registration server according to the key related to the random number.
Optionally, the information related to the random number includes: the temporary identity registration server adopts the random number to encrypt a public key of the temporary identity registration server to obtain second encryption information; the processor, when verifying the temporary identity registration server according to the information related to the random number, is specifically configured to: decrypting the second encrypted information by using the random number to obtain decrypted information; and if the decryption information is the same as the public key of the temporary identity registration server acquired by the 5G terminal equipment through the first channel, determining that the temporary identity registration server passes the verification.
Optionally, the information related to the random number includes: the temporary identity registration server adopts a private key of the temporary identity registration server to encrypt the random number to obtain third encryption information; the processor, when verifying the temporary identity registration server according to the information related to the random number, is specifically configured to: decrypting the third encrypted information by using the public key of the temporary identity registration server to obtain decrypted information; and if the decryption information is the same as the random number, determining that the temporary identity registration server passes the verification.
Optionally, the information related to the random number includes: the temporary identity registration server calculates the hash value of the random number and a public key of the temporary identity registration server; the processor, when verifying the temporary identity registration server according to the information related to the random number, is specifically configured to: and if the hash value of the public key of the temporary identity registration server and the random number calculated by the processor are the same as the hash value of the public key of the temporary identity registration server and the random number calculated by the temporary identity registration server, the 5G terminal equipment determines that the temporary identity registration server passes the verification.
The 5G terminal device in the embodiment shown in fig. 4 may be configured to execute the technical solution of the method embodiment, and the implementation principle and the technical effect are similar, which are not described herein again.
Fig. 5 is a schematic structural diagram of a temporary identity registration server according to an embodiment of the present invention. The temporary identity registration server provided in the embodiment of the present invention may execute the processing procedure provided in the embodiment of the dual-channel access registration method of the 5G terminal device, and as shown in fig. 5, the temporary identity registration server 50 includes: memory 51, processor 52, computer programs and communication interface 53; wherein the computer program is stored in the memory 51 and is configured to be executed by the processor 52 for: acquiring a public key of the 5G terminal equipment through a block chain network;
receiving first encryption information which is sent by the 5G terminal equipment and signed by a private key of the 5G terminal equipment through the blockchain network and a 5G channel respectively, wherein the first encryption information is obtained by encrypting a random number generated by the 5G terminal equipment by using a public key of the temporary identity registration server, and the 5G channel comprises a 5G new wireless base station and a user plane network element function; acquiring the random number according to the signed first encryption information; sending information related to the random number to the 5G terminal device through the block chain network and the 5G channel respectively, so that the 5G terminal device verifies the temporary identity registration server according to the information related to the random number; and after the temporary identity registration server passes the verification, the temporary identity registration server communicates with the 5G terminal equipment according to the key related to the random number.
Optionally, when the processor acquires the random number according to the signed first encryption information, the processor is specifically configured to: verifying the signature according to the public key of the 5G terminal equipment; and after the signature passes the verification, decrypting the first encrypted information by using a private key of the temporary identity registration server to obtain the random number.
The temporary identity registration server in the embodiment shown in fig. 5 may be configured to execute the technical solution of the above method embodiment, and the implementation principle and the technical effect are similar, which are not described herein again.
In addition, an embodiment of the present invention further provides a computer-readable storage medium, on which a computer program is stored, where the computer program is executed by a processor to implement the dual-channel access registration method for the 5G terminal device described in the foregoing embodiment.
In the embodiments provided in the present invention, it should be understood that the disclosed apparatus and method may be implemented in other ways. For example, the above-described apparatus embodiments are merely illustrative, and for example, the division of the units is only one logical division, and other divisions may be realized in practice, for example, a plurality of units or components may be combined or integrated into another system, or some features may be omitted, or not executed. In addition, the shown or discussed mutual coupling or direct coupling or communication connection may be an indirect coupling or communication connection through some interfaces, devices or units, and may be in an electrical, mechanical or other form.
The units described as separate parts may or may not be physically separate, and parts displayed as units may or may not be physical units, may be located in one place, or may be distributed on a plurality of network units. Some or all of the units can be selected according to actual needs to achieve the purpose of the solution of the embodiment.
In addition, functional units in the embodiments of the present invention may be integrated into one processing unit, or each unit may exist alone physically, or two or more units are integrated into one unit. The integrated unit can be realized in a form of hardware, or in a form of hardware plus a software functional unit.
The integrated unit implemented in the form of a software functional unit may be stored in a computer readable storage medium. The software functional unit is stored in a storage medium and includes several instructions to enable a computer device (which may be a personal computer, a server, or a network device) or a processor (processor) to execute some steps of the methods according to the embodiments of the present invention. And the aforementioned storage medium includes: various media capable of storing program codes, such as a usb disk, a removable hard disk, a Read-Only Memory (ROM), a Random Access Memory (RAM), a magnetic disk, or an optical disk.
It is obvious to those skilled in the art that, for convenience and simplicity of description, the foregoing division of the functional modules is merely used as an example, and in practical applications, the above function distribution may be performed by different functional modules according to needs, that is, the internal structure of the device is divided into different functional modules to perform all or part of the above described functions. For the specific working process of the device described above, reference may be made to the corresponding process in the foregoing method embodiment, which is not described herein again.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; while the invention has been described in detail and with reference to the foregoing embodiments, it will be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; and the modifications or the substitutions do not make the essence of the corresponding technical solutions depart from the scope of the technical solutions of the embodiments of the present invention.
Claims (13)
1. A dual-channel access registration method for 5G terminal equipment is characterized by comprising the following steps:
the 5G terminal equipment acquires a public key of the temporary identity registration server through the block chain network;
the 5G terminal equipment generates a random number, and encrypts the random number by adopting a public key of the temporary identity registration server to obtain first encryption information;
the 5G terminal equipment signs the first encrypted information by adopting a private key of the 5G terminal equipment;
the 5G terminal equipment respectively adopts the block chain network and a 5G channel to send the signed first encryption information to the temporary identity registration server so that the temporary identity registration server can obtain the random number according to the signed first encryption information, wherein the 5G channel comprises a 5G new wireless base station and a user plane network element function;
the 5G terminal equipment receives the information which is sent by the temporary identity registration server and is related to the random number through the block chain network and the 5G channel respectively;
when the 5G terminal equipment determines that the information related to the random number respectively received through the block chain network and the 5G channel is the same, verifying the temporary identity registration server according to the information related to the random number;
and when the temporary identity registration server passes the verification, the 5G terminal equipment and the temporary identity registration server communicate according to the key related to the random number.
2. The method of claim 1, wherein the information related to the random number comprises: the temporary identity registration server adopts the random number to encrypt a public key of the temporary identity registration server to obtain second encryption information;
the 5G terminal equipment verifies the temporary identity registration server according to the information related to the random number, and the verification comprises the following steps:
the 5G terminal equipment decrypts the second encrypted information by adopting the random number to obtain decrypted information;
and if the decryption information is the same as the public key of the temporary identity registration server acquired by the 5G terminal equipment through the first channel, the 5G terminal equipment determines that the temporary identity registration server passes the verification.
3. The method of claim 1, wherein the information related to the random number comprises: the temporary identity registration server adopts a private key of the temporary identity registration server to encrypt the random number to obtain third encryption information;
the 5G terminal equipment verifies the temporary identity registration server according to the information related to the random number, and the verification comprises the following steps:
the 5G terminal equipment decrypts the third encrypted information by adopting the public key of the temporary identity registration server to obtain decrypted information;
and if the decryption information is the same as the random number, the 5G terminal equipment determines that the temporary identity registration server passes the verification.
4. The method of claim 1, wherein the information related to the random number comprises: the temporary identity registration server calculates the hash value of the random number and a public key of the temporary identity registration server;
the 5G terminal equipment verifies the temporary identity registration server according to the information related to the random number, and the verification comprises the following steps:
and if the hash value of the public key of the temporary identity registration server and the random number obtained by the 5G terminal equipment through calculation are the same as the hash value of the public key of the temporary identity registration server and the random number obtained by the temporary identity registration server through calculation, the 5G terminal equipment determines that the temporary identity registration server passes the verification.
5. A dual-channel access registration method for 5G terminal equipment is characterized by comprising the following steps:
the temporary identity registration server acquires a public key of the 5G terminal equipment through a block chain network;
the temporary identity registration server receives first encryption information which is sent by the 5G terminal equipment and signed by a private key of the 5G terminal equipment through the blockchain network and a 5G channel respectively, wherein the first encryption information is obtained by encrypting a random number generated by the 5G terminal equipment by adopting a public key of the temporary identity registration server, and the 5G channel comprises a 5G new wireless base station and a user plane network element function;
the temporary identity registration server acquires the random number according to the signed first encryption information;
the temporary identity registration server sends information related to the random number to the 5G terminal equipment through the block chain network and the 5G channel respectively, so that the 5G terminal equipment verifies the temporary identity registration server according to the information related to the random number;
and when the temporary identity registration server passes the verification, the temporary identity registration server and the 5G terminal equipment communicate according to the key related to the random number.
6. The method according to claim 5, wherein the acquiring, by the temporary identity registration server, the random number according to the signed first encryption information comprises:
the temporary identity registration server verifies the signature according to the public key of the 5G terminal equipment;
and after the signature passes the verification, the temporary identity registration server decrypts the first encrypted information by adopting a private key of the temporary identity registration server to obtain the random number.
7. A5G terminal device, comprising:
a memory;
a processor;
a communication interface; and
a computer program;
wherein the computer program is stored in the memory and configured to be executed by the processor to:
acquiring a public key of a temporary identity registration server through a block chain network;
generating a random number, and encrypting the random number by adopting a public key of the temporary identity registration server to obtain first encryption information;
signing the first encrypted information by adopting a private key of the 5G terminal equipment;
the signed first encryption information is sent to the temporary identity registration server by respectively adopting the block chain network and a 5G channel, so that the temporary identity registration server obtains the random number according to the signed first encryption information, wherein the 5G channel comprises a 5G new wireless base station and a user plane network element function;
receiving the information related to the random number sent by the temporary identity registration server through the blockchain network and the 5G channel respectively;
when the information related to the random number respectively received through the block chain network and the 5G channel is determined to be the same, verifying the temporary identity registration server according to the information related to the random number;
and when the temporary identity registration server passes the verification, the temporary identity registration server communicates with the temporary identity registration server according to the key related to the random number.
8. The 5G terminal device of claim 7, wherein the information related to the random number comprises: the temporary identity registration server adopts the random number to encrypt a public key of the temporary identity registration server to obtain second encryption information;
the processor, when verifying the temporary identity registration server according to the information related to the random number, is specifically configured to:
decrypting the second encrypted information by using the random number to obtain decrypted information;
and if the decryption information is the same as the public key of the temporary identity registration server acquired by the 5G terminal equipment through the first channel, determining that the temporary identity registration server passes the verification.
9. The 5G terminal device of claim 7, wherein the information related to the random number comprises: the temporary identity registration server adopts a private key of the temporary identity registration server to encrypt the random number to obtain third encryption information;
the processor, when verifying the temporary identity registration server according to the information related to the random number, is specifically configured to:
decrypting the third encrypted information by using the public key of the temporary identity registration server to obtain decrypted information;
and if the decryption information is the same as the random number, determining that the temporary identity registration server passes the verification.
10. The 5G terminal device of claim 7, wherein the information related to the random number comprises: the temporary identity registration server calculates the hash value of the random number and a public key of the temporary identity registration server;
the processor, when verifying the temporary identity registration server according to the information related to the random number, is specifically configured to:
and if the hash value of the public key of the temporary identity registration server and the random number calculated by the processor are the same as the hash value of the public key of the temporary identity registration server and the random number calculated by the temporary identity registration server, the 5G terminal equipment determines that the temporary identity registration server passes the verification.
11. A temporary identity registration server, comprising:
a memory;
a processor;
a communication interface; and
a computer program;
wherein the computer program is stored in the memory and configured to be executed by the processor to:
acquiring a public key of the 5G terminal equipment through a block chain network;
receiving first encryption information which is sent by the 5G terminal equipment and signed by a private key of the 5G terminal equipment through the blockchain network and a 5G channel respectively, wherein the first encryption information is obtained by encrypting a random number generated by the 5G terminal equipment by using a public key of the temporary identity registration server, and the 5G channel comprises a 5G new wireless base station and a user plane network element function;
acquiring the random number according to the signed first encryption information;
sending information related to the random number to the 5G terminal device through the block chain network and the 5G channel respectively, so that the 5G terminal device verifies the temporary identity registration server according to the information related to the random number;
and after the temporary identity registration server passes the verification, the temporary identity registration server communicates with the 5G terminal equipment according to the key related to the random number.
12. The temporary identity registration server of claim 11, wherein the processor, when obtaining the random number according to the signed first encryption information, is specifically configured to:
verifying the signature according to the public key of the 5G terminal equipment;
and after the signature passes the verification, decrypting the first encrypted information by using a private key of the temporary identity registration server to obtain the random number.
13. A computer-readable storage medium, on which a computer program is stored, which, when being executed by a processor, carries out the method according to any one of claims 1-6.
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