 |
| |||
| length of message (ssn) | |||
| message length | |||
| длина сообщения: 21 phrases in 10 subjects |
| Computer networks | 3 |
| Cryptography | 1 |
| General | 1 |
| Information security and data protection | 1 |
| Information technology | 1 |
| Mass media | 4 |
| Military | 1 |
| Security systems | 2 |
| Technology | 2 |
| Telecommunications | 5 |