A Novel Random Error Approximate Adder-Based Lightweight Medical Image Encryption Scheme for Secure Remote Monitoring of Health Data

Table 8

Comparison of FPGA implementation results of the proposed WSAA with other lightweight schemes.

Algorithm	Block size	Device name	LUT’s	FFs	Slices	Cycle	Max. Frequency (MHz)	Throughput (Mbps)	Throughput per area
LEA-128 [36]	128	XC5VLX330T	713	386	—	24	217.806	1161.6	0.198
LEA-192 [36]	128	XC5VLX330T	911	508	—	28	218.250	996.57	0.153
LEA-256 [36]	128	XC5VLX330T	1131	645	—	32	126.23	505	0.071
Unified (sel-2’b0) [37]	128	XC5VLX330T	735	832	273	33	292	1152	0.186
LEA-256 [37]	256	XC5VLX330T	440	812	250	33	340	1367	1.092
Proposed WSAA	256	XC5VLX330T	864	864	437	32	500.25	4002	2.316