(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

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