A Lightweight iot Terminal security access authentication Method Based on edge Computing

Facing the situation of massive resource-constrained terminal access in the edge computing environment of the power Internet of things, in order to overcome the shortcomings of the existing authentication technology[ 1], this paper proposes a lightweight terminal security access authentication scheme based on edge computing. Different from the traditional symmetric and asymmetric cryptography, the lightweight identity authentication mechanism is realized based on hash function, XOR operation and Hash message authentication code. To meet the authentication requirements of massive power terminal heterogeneous access. The calculation rate of hash function is much lighter than that of traditional symmetric and asymmetric encryption, its computational consumption is negligible compared with that of hash function, and its requirement for computing resources is minimal, which is suitable for embedded terminals in the Internet of Things.