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Table 4 Computational and memory performance of the proposed technique

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

Mod(p) bits SK (bits) Encryption time (μs) Encryption Energy (mJs−1) Decryption time (μs) Decryption energy (mJs− 1) SRAM (bytes) Code Size (bytes)
43 30 300,484 30.0484 79,200 7.92 1386 20,018
43 292,672 29.2672 76,216 7.6216 1386 20,018
51 419,908 41.9908 84,700 8.47 1420 20,044
32 30 246,304 24.6304 74,900 7.49 1386 20,018
43 280,260 28.026 75,496 7.5496 1386 20,018
51 420,268 42.0268 84,792 8.4792 1420 20,044
62 30 293,284 29.3284 76,020 7.602 1386 20,018
43 290,720 29.072 75,608 7.5608 1386 20,018
51 420,428 42.0428 84,692 8.4692 1420 20,044