经典的保密通信系统通常把通信的安全性建立在计算复杂性基础上。
Classic secret communication system employed at present usually base the security of communication on the arithmetic complexity.
与传统移动通信身份认证方法的比较，该方法提高了移动通信中安全性和保密性。
Compared with traditional authentication mechanism, this method improves the security and confidentiality in the mobile communication.
测试结果表明，实时语音保密通信系统具有良好的实时通信效果和安全性能。
Tests show that the system has good performances on communication effects and security.
量子保密通信提供了一种绝对安全的通信方案，它的安全性由不可改变的自然规律保证，是任何技术都无法攻破的。
Quantum cryptography provides a new method for absolutely secure communication, which is guaranteed by the inviolability of a Law of Nature, and any advanced technologies cannot decipher it.
量子保密通信提供了一种绝对安全的通信方案，它的安全性由不可改变的自然规律保证，是任何技术都无法攻破的。
Quantum cryptography provides a new method for absolutely secure communication, which is guaranteed by the inviolability of a Law of Nature, and any advanced technologies cannot decipher it.
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