Table 2 Nomenclature and Definitions14,15,16.
From: TTEA: designing a quantum-ready and energy-conscious encryption model for secure IoT environments
Symbol/Abbreviation | Definition |
|---|---|
M | Input plaintext message (ASCII string). |
A | Set of ASCII integer equivalents of M. |
C | Final ciphertext. |
m | A single plaintext byte. |
\(X=\{x_1,x_2,x_3\}\) | Initial random values from A. |
\(k_i\) | Intermediate keys after XOR. |
\(k\prime _i\) | Intermediate keys after S-Box. |
\(k\prime \prime _i\) | Keys after dynamic shifting. |
\(K_L\) | Long-term lattice-based key. |
\(K_E\) | Ephemeral session key. |
\(K_{\text {final}}\) | Final encryption key. |
\(\oplus\) | Bitwise XOR. |
\(S_{\text {bit}}(\cdot )\) | 20\(\times\)20 S-Box substitution. |
Shift(k, s) | Bitwise shifting of key k by s. |
KDF(\(\cdot\)) | Key Derivation Function. |
IoT | Internet of Things. |
PQC | Post-Quantum Cryptography. |