An Improved Secure Image Encryption Algorithm Based on Rubik's Cube Principle and Digital Chaotic Cipher

Figure 7

Algorithm key sensibility image deshuffled using (a) wrong number of iterations (𝛼+1  LSB variation) and (b) wrong number of iterations (𝛼−1 LSB variation). (Test conditions: image successfully decrypted; 𝑟=1.998313787961430, 𝑥=0.687754925117697, 𝛽₁=167, & 𝛽₂=202 known.)

(a)

(b)