| ACO | Ant Colony Optimization |
| BCSO | Binary Cat Swarm Optimization |
| DC | Differential Cryptanalysis |
| DES | Data Encryption Standard |
| DSA | Dolphin Swarm Algorithm |
| EA | Evolutionary Algorithms |
| FEAL | Fast Data Encipherment Algorithm |
| GSO | Genetic Swarm Optimization |
| MA | Memetic Algorithms |
| MASA | Memetic Algorithm Simmulated Annealing |
| NGA | Negation Genetic Algorithms |
| PSO | Particle Swarm Optimization |
| RC4 | Rivest Cipher 4 |
| SDES | Simplified Data Encryption Standard |
| TEA | Tiny Encryption Algorithm |
| VMPC | Variably Modified Permutation Composition |