A Study on Scalar Multiplication Parallel Processing for X25519 Decryption of 5G Core Network SIDF Function for mMTC IoT Environment

Figure 7

Stage 2 procedure: stage 2 calculates the ephemeral shared key. These steps run on the GPU. Stage 2 receives the value generated in stage 1 and the random point (ephemeral public key) received from the UE and performs ECC scalar multiplication operation.