Curve25519 based lightweight end-to-end encryption in resource constrained autonomous 8-bit IoT devices

Cybersecurity

Table 1 Secret key generation performance in the proposed technique

mod(p)	G	SK		SK size	PA	PD	ET (ms)	E
mod(p)	G	x	y	SK size	PA	PD	ET (ms)	E
30-bit	484,924,606,752,301	826,625,966	80,435,164	30-bit	25	48	1087	0.1087
	2,938,674,132,359,780,000	136,996,696	68,348,709	28-bit	31	62	1406	0.1406
	160,949,512,909,771	497,086,896	418,609,960	29-bit	24	48	1062	0.1062
43-bit	484,924,606,752,301	198,854,107,681	1,226,705,872,672	38-bit	25	48	1891	0.1891
	2,938,674,132,359,780,000	1,323,613,420,771	2,788,657,789,809	42-bit	31	62	2349	0.2349
	160,949,512,909,771	2,741,618,876,124	974,370,806,151	42-bit	24	48	1811	0.1811
62-bit	484,924,606,752,301	775,724,248,908,631,391	3,753,518,844,464,014,710	62-bit	25	48	2623	0.2623
	2,938,674,132,359,780,000	685,910,647,662,771,392	3,518,772,554,951,183,129	61-bit	31	62	2907	0.0290
	160,949,512,909,771	1,295,578,424,185,598,538	933,837,696,196,791,576	60-bit	24	48	2523	0.2523