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| key cryptosystem (метод шифрования, основанный на использовании ключей) | |||
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| keyed cryptosystem | |||
| криптосистема с ключом: 100 phrase in 8 subjects |
| Computer networks | 1 |
| Computers | 1 |
| Cryptography | 3 |
| Information security and data protection | 60 |
| Mass media | 4 |
| Programming | 1 |
| Security systems | 28 |
| Technology | 2 |