BFLP: An Adaptive Federated Learning Framework for Internet of Vehicles

Algorithm 9

CPC decryption process.

	Input: C, Kenc
	Output: M
	1: Receiving C
	2: Generate different the 8 subkey Keyj from the main Key Kenc
	3: Partition C into 4 segments: C9, C10, C11, C12
	4: for each round j = 8 : 1 do
	5:  Permutation: (Cj + !, Cj + 2, Cj + 3)
	6:  X := Cj + 4Cj + 1
	7:  Y := Mj + 2Mj + 3 Keyj
	8:  Count1 := Count − Zero (X)
	9:  W := f1 (Count1, X)
	10:  R : WY
	11:  Count2 := Count − Zero (R)
	12:  S := f2 (Count2, R)
	13:  Cj := S
	14:  i := i − 1
	15: end for
	16: M := C1||C2||C3||C4
	17: Output M