The fifth-generation (5G) network assimilates terahertz bandwidth and machine type communication (MTC) for swift and reliable data transfer and information exchange. It incorporates sophisticated cloud, Internet of Things (IoT), and other software-defined architectures for providing scalable service support. However, due to the heterogeneous integration of devices and architectures, secure infrastructures needto become mandatory. In this article, a Blockchain-based Versatile Security Framework (BVSF) is introduced to provide robust and adaptable authentication and access control in the 5G environment. The proposed framework allocates blocks for user equipment (UE) authentication and resource access control in a parallel manner. The verification of security level between resources, infrastructures, and UEs aids in extending or attenuating blockchain services. Based on the different security level assessments, the UE requests are precisely mapped or reallocated to the resources, improving the response rate and the framework adaptability.
End-to-end authentication is a critical necessity in 5G networks due to increasing device demands and autonomously transmitted user data. A difficult problem in obtaining shared information is the lack of data-related characteristics and the communicating network. Furthermore, due to the network's lack of traceability and handoff, managing protection for the created data is impractical. The non-redundant traffic authentication scheme (NRTAS) is proposed with the aim of authenticating data sources and contact traffic through active user equipment. This scheme provides more efficient non-replicated authentication by classifying traffic based on its errors. Using a differential private key, the classified traffic is authenticated in a linear or discrete way. The suggested scheme's mechanism is tailored to all of the available contact slots, increasing the likelihood of success. Non-redundant authentication eliminates information sharing overhead while simultaneously achieving the shortest access time and response delay.
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