Securing Digital Images through Simple Permutation-Substitution Mechanism in Cloud-Based Smart City Environment

Figure 3

The first two rows display the used investigation images, whereas the last two rows display their ciphered images using our presented cryptosystem. (a) Boats. (b) Bridge. (c) Baboon. (d) Sailboat. (e) Airplane. (f) Peppers. (g) Enc-Boats. (h) Enc-Bridge. (i) Enc-Baboon. (j) Enc-Sailboat. (k) Enc-Airplane. (l) Enc- Peppers.

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