A lightweight secure authentication and key exchange method for narrowband Internet of things
A narrow-band Internet of Things and security authentication technology, applied in the field of lightweight security authentication and key exchange, can solve problems such as high security and low interaction frequency, and achieve strong anti-attack capabilities, reduced complexity, and great practical value Effect
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[0016] The method proposed by the present invention mainly realizes two-way identity authentication and key exchange between communication subjects in narrowband Internet of Things environments such as NB-IoT, and the communication subjects involved in the method include a terminal (TE) and a server (Sever). Among them: the terminal is mainly responsible for functions such as terminal information collection and processing; the server is mainly responsible for functions such as terminal access and terminal data aggregation and processing. Before the communication is established, the root key needs to be shared between the terminal and the server. Based on the symmetric cryptosystem, the "challenge-response (CR)" interaction mechanism is used to realize two-way authentication, and no third party is required to participate in the authentication process. The two-way authentication mechanism of the system is as follows: figure 1 shown.
[0017] During the authentication process, t...
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