Registration method of 5G user terminal, user terminal equipment and medium

Abstract

The embodiment of the invention provides a registration method of a 5G user terminal, user terminal equipment and a medium. The method comprises the following steps: firstly, sending block numbers andhash values of all blocks to 5G UE; according to a random number sent by the 5G UE, sending the block contents of the first block pointed by the random number and the second block containing the public key of the target operator to 5G UE, so that the 5G UE can obtain the hash value of the block based on the received block numbers and hash values of all blocks; verifying the contents of the firstblock and the second block; after the verification is passed, obtaining a public key of a target operator from the second block. The second public key corresponding to the permanent identity of the target operator is encrypted through the preset encryption algorithm, the public key of the target operator and the first public key of the target operator, and the encrypted data is sent to the temporary identity registration server for identity registration, so that the data security and confidentiality in the 5G UE registration process are improved.

Description

technical field [0001] The embodiments of the present invention relate to the technical field of blockchain, and in particular, to a registration method of a 5G user terminal, user terminal equipment and a medium. Background technique [0002] In the standard 5G registration process, a SIM card is inserted into the 5G user terminal equipment (referred to as UE), and the SIM card has the operator's public key, or the shared key between the 5G UE and the operator, and any middleman cannot modify the SIM card The built-in public key prevents man-in-the-middle attacks. However, in the no-SIM card access solution, when a 5G UE without a SIM card submits its own public key, a malicious middleman or listener can easily replace the public key. Operators are also unable to perceive, so all confidential communications between 5G UEs and operators may be monitored. Contents of the invention [0003] Embodiments of the present invention provide a registration method for a 5G user ter...

AI Technical Summary

Problems solved by technology

[0002] In the standard 5G registration process, a SIM card is inserted into the 5G user terminal equipment (referred to as UE), and the SIM card has the operator's public key, or the shared key between the 5G UE and the operator, and any middleman cannot modify the SIM card The built-in public key prevents man-in-the-middle attacks. However, in the no-SIM card access solution, when a 5G UE without a SIM card submits its own public key, a malicious middleman or listener can easily replace the public key. Operators are also unaware, so all confidential communications between 5G UEs and operators may be monitored

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