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| key authentication (Alex_Odeychuk) | |||
| key authentication (к шифру) | |||
| аутентификация ключа: 22 phrases in 9 subjects |
| Computer networks | 1 |
| Computers | 1 |
| Electronics | 4 |
| General | 1 |
| Information security and data protection | 6 |
| Information technology | 1 |
| Programming | 1 |
| Security systems | 4 |
| Telecommunications | 3 |