Table 15 Complexity Comparison of Encryption Algorithms.
From: TTEA: designing a quantum-ready and energy-conscious encryption model for secure IoT environments
Algorithm | Rounds | Key Schedule | Operations per Round | Total Complexity |
|---|---|---|---|---|
TEA | 64 | O(1) | O(4) | O(256) |
Speck | 32 | O(n) | O(4) | O(128) |
PRESENT | 31 | O(n) | O(5) | O(155) |
TTEA | 20 | O(1) | O(3) | O(60) |