A Secure Image Encryption Algorithm Based on Rubik's Cube Principle

Figure 8

Encrypted images under cropping attack in center (cropping over 1/8 of the entire image area).

(a) Encrypted lena image

(b) Encrypted black image

(c) Encrypted baboon image

(d) Encrypted checkerboard image

(e) Image (a) decrypted

(f) Image (b) decrypted

(g) Image (c) decrypted

(h) Image (d) decrypted