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Table 1 Secret key generation performance in the proposed technique

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

mod(p) G SK SK size PA PD ET (ms) E
x y
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
  1. PA Point addition, PD Point doubling, ET Execution time, E Energy consumption