 |
| |||
| substitution cipher | |||
| шифр подстановки: 19 phrases in 5 subjects |
| Cryptography | 1 |
| Electronics | 2 |
| Information security and data protection | 9 |
| Programming | 1 |
| Security systems | 6 |
|
| |||
| substitution cipher | |||
| шифр подстановки: 19 phrases in 5 subjects |
| Cryptography | 1 |
| Electronics | 2 |
| Information security and data protection | 9 |
| Programming | 1 |
| Security systems | 6 |