公开钥密码系统或非对称密码系统是实现和保障信息安全的一种重要方式。

The public key cryptosystem or the asymmetric cryptosystem is an important way to implement and ensure information security.

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将对称密码算法和非对称密码算法共同使用，增强了应用系统的安全性。

Using the symmetric algorithms and the asymmetric algorithms together security performance of the application system is improved.

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目前有几种加密技术如对称密钥密码系统和非对称密钥密码系统。

Several technologies exist for encryption, such as symmetric key cryptography and asymmetric key cryptography.

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