Table 2 Fractal key space.

From: Secure data transmission through fractal-based cryptosystem: a Noor iteration approach

Key size in bits

Fractal key space

8

28 (256)

16

216 (65, 536)

32

232(4, 294, 967, 296)

64

264 (18, 446, 744,073,709, 551, 616)

128

2128 (340,282,366,920,938,463,463,374,607,431,768,211,456)

256

2256 (115,792,089,237,316,195,423,570,985,008,687,907,853,269,984,

665,640,564,039,457,584,007,913,129,639,936)