 |
| |||
| cryptography | |||
| secret cipher | |||
| секретный шифр: 8 phrases in 4 subjects |
| Electronics | 4 |
| General | 2 |
| Information security and data protection | 1 |
| Security systems | 1 |
|
| |||
| cryptography | |||
| secret cipher | |||
| секретный шифр: 8 phrases in 4 subjects |
| Electronics | 4 |
| General | 2 |
| Information security and data protection | 1 |
| Security systems | 1 |