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| encryption key; cipher key | |||
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| key cipher | |||
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шифр-ключ : 75 phrases in 12 subjects |
| Electronics | 13 |
| General | 7 |
| Information security and data protection | 12 |
| Makarov | 2 |
| Mass media | 3 |
| Military | 6 |
| Programming | 1 |
| Radiolocation | 1 |
| Security systems | 14 |
| Shipbuilding | 1 |
| Technology | 6 |
| Telecommunications | 9 |