Research Article
ALICA: A Multi-S-Box Lightweight Cryptographic Algorithm Based on Generalized Feistel Structure
Table 4
Linear approximation table of the proposed left S-box.
| Output | Input | 0 | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | A | B | C | D | E | F |
| 0 | 8 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 2 | 2 | 2 | 2 | 4 | −4 | −2 | −2 | 0 | 0 | 0 | 0 | 2 | 2 | 2 | 0 | 4 | −2 | −2 | −2 | 2 | 0 | 0 | −2 | −2 | 0 | −4 | 0 | 0 | −2 | 2 | 3 | 0 | 0 | 0 | 4 | 0 | 0 | −4 | 0 | −4 | 0 | 0 | 0 | 0 | −4 | 0 | 0 | 4 | 0 | 0 | −2 | −2 | −2 | 2 | 0 | −4 | 0 | 4 | −2 | 2 | −2 | −2 | 0 | 0 | 5 | 0 | −4 | −4 | 0 | 0 | 0 | 0 | 0 | −2 | −2 | 2 | 2 | −2 | 2 | −2 | 2 | 6 | 0 | 0 | −4 | 0 | 4 | 0 | 0 | 0 | 2 | 2 | 2 | −2 | 2 | −2 | 2 | 2 | 7 | 0 | 0 | 2 | −2 | −2 | 2 | 0 | 0 | 0 | 0 | 6 | 2 | 2 | −2 | 0 | 0 | 8 | 0 | 2 | −2 | 4 | −2 | 0 | 0 | −2 | 2 | 0 | 0 | 2 | 4 | 2 | −2 | 0 | 9 | 0 | −2 | 0 | 2 | −4 | 2 | 0 | 2 | 0 | 2 | 0 | −2 | 0 | 2 | 4 | 2 | A | 0 | −2 | 0 | −2 | 0 | −2 | 0 | −2 | −4 | 2 | 0 | −2 | 4 | 2 | 0 | −2 | B | 0 | −2 | 2 | 0 | −2 | −4 | 0 | −2 | 2 | 0 | 0 | −2 | 0 | −2 | −2 | 4 | C | 0 | −2 | 0 | 2 | 0 | 2 | 0 | −2 | 2 | 0 | 2 | −4 | −2 | 0 | −2 | −4 | D | 0 | −2 | −2 | 0 | −2 | 0 | 4 | 2 | 0 | −2 | −2 | 0 | 2 | −4 | 0 | −2 | E | 0 | −2 | 2 | 0 | 2 | 4 | 0 | 2 | 0 | 2 | −2 | 0 | 2 | 0 | −4 | 2 | F | 0 | 2 | 0 | 2 | 0 | −2 | 4 | 2 | −2 | 4 | 2 | 0 | −2 | 0 | −2 | 0 |
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