RBFK cipher: a randomized butterfly architecture-based lightweight block cipher for IoT devices in the edge computing environment

Cybersecurity

Table 2 Avalanche effect (AE) of key generation technique

SL	Main cipher keys (64 bits)	Cipher text (64 bits)	AE (%)
1	0x123456789abcdeb1	0x36f17d72c4030960	50.77
	0x123456789abcdeb2	0x5bea90f335ba4067
2	0xaaaaaaaaaaaaaaaa	0x6dd51747962e525c	57.58
	0xaaaaaaaaaaaaaaab	0xee488abb17c2fde1
3	0xaaaaaaaaaaaaaaaa	0x6dd51747962e525c	57.58
	0xaaaaaaabaaaaaaaa	0xee488abb17c2fde1
4	0x555555555555555	0x6dd51747962e525c	58.46
	0x555555555555554	0xee488abb17c2fde1
5	0x555555555555555	0x6dd51747962e525c	58.46
	0x555555545555555	0xee488abb17c2fde1
6	0x1000000000000000	0x7eaf6aeccbbd511e	50.78
	0x1000000000000001	0x0409cc3c79611f90
7	0x1000000000000000	0x7eaf6aeccbbd511e	56.92
	0x1000000000000008	0x31237913d05e3682