d2d terminal access authentication method, d2d terminal and server
A terminal access and authentication method technology, applied in the field of D2D terminals and servers, and D2D terminal access authentication methods, can solve problems such as being stolen, access information is easy to leak, and D2D network security risks
Active Publication Date: 2017-12-15
CHINA UNITED NETWORK COMM GRP CO LTD
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Problems solved by technology
[0004] The present invention provides a D2D terminal access authentication method, a D2D terminal and a server to solve the problem that the access information is easily leaked or stolen in the existing D2D network access method, which makes the D2D network have potential safety hazards.
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[0041] The technical solutions of the present invention will be described in further detail below with reference to the accompanying drawings and embodiments.
[0042] With the evolution and development of mobile communication systems, the required bandwidth increases rapidly. However, the spectrum resources of mobile communication systems are very limited, and the available bandwidth cannot meet the actual application needs. Therefore, it is necessary to study more effective bandwidth allocation and utilization technologies. The D2D network is a technology that allows UEs to directly communicate with each other by reusing cell resources. The D2D network may be a short-distance wireless communication network such as WiFi or Zigbee. The access authentication method provided in the following embodiments can be applied in a D2D network.
[0043] figure 1 It is a schematic diagram of a D2D terminal access authentication method provided by an embodiment of the present invention....
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The present invention provides a D2D terminal access authentication method, a D2D terminal and a server. The method includes: the D2D terminal sends an authentication request to the server, and receives the acquisition request sent by the server for obtaining a digital certificate; the digital certificate is stored in the SIM card; the D2D terminal reads the digital certificate from the SIM card and sends it to the server, so that the server According to the digital certificate and the pre-stored public key, encrypt the pre-stored first user private key to obtain the encrypted user private key; the D2D terminal receives and decrypts the encrypted user private key to obtain the first user private key, and reads the stored first user private key from the SIM card. Two user private keys, compare the first user private key with the second user private key; if the first user private key is consistent with the second user private key, the D2D terminal sends an access request to the server to request to join the D2D network. The invention performs access authentication on the D2D terminal based on the digital certificate stored in the SIM card, so as to improve the security of the D2D network.
Description
technical field [0001] The present invention relates to communication technology, in particular to a D2D terminal access authentication method, a D2D terminal and a server. Background technique [0002] Peer-to-peer (Device-to-Device, D2D for short) communication refers to multiple terminals within an area, and under the control of a cellular communication system, direct communication between terminals can be realized. D2D communication involves control data and user data, the control data is generally transmitted between the cellular communication system and the D2D terminal, and the user data is transmitted between the D2D terminals. [0003] At present, in the process of establishing a D2D network, the administrator of the D2D network usually informs the users of legal D2D terminals who are allowed to access the D2D network to access the access information such as the access account number and password of the D2D network, and then use The operator connects its own D2D te...
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IPC IPC(8): H04L29/06H04L9/32
Inventor 孙利
Owner CHINA UNITED NETWORK COMM GRP CO LTD