Table 6.

Speed analysis for RGB image encryption and the AES-128 ECB algorithm.

RGB Color	Algorithm in [25]			AES-128 ECB
Image Size	Time (s)	$\mathit{ET}$ (MB/s)	$\mathit{NpCB}$	Time (s)	$\mathit{ET}$ (KB/s)	$\mathit{NpCB}$
$100\times 100$	0.004573	6.56	304	1.704812	17.59	113700
$200\times 200$	0.011335	10.58	189	6.577855	18.24	109,649
$300\times 300$	0.026501	10.18	196	14.896973	18.12	110,375
$400\times 400$	0.054247	8.84	226	28.367620	16.92	118,203
$500\times 500$	0.079553	9.42	212	42.928550	17.47	114,481
$600\times 600$	0.116829	9.24	216	65.174625	16.57	120,700
$700\times 700$	0.157615	9.32	214	82.195552	17.88	111,856
$800\times 800$	0.202662	9.47	211	107.279753	17.89	111,794
$900\times 900$	0.253125	9.60	208	133.858570	18.15	110,192
$1000\times 1000$	0.309373	9.69	206	172.635700	17.37	115141
$1080\times 1080$	0.364824	9.59	208	190.533774	18.36	108932