对称密钥(公钥)算法用于交换在对称算法中使用的加密密钥，以及用于数字签名。

An asymmetric key (public key) algorithm is used for the exchange of the secret keys to be used in symmetric algorithm and for digital signatures.

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在加密和数字签名中，所有的事情都最终归结为生成密钥的加密算法。

In encryption and digital signatures, everything ultimately boils down to the cryptography algorithms used to generate keys. Here are the criteria on which the key generation algorithms are based.

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基于互联网络办公的需求，介绍了公开密钥加密算法、数字证书和数字签名技术。

Based on the need of network office, this paper introduces the algorithm of asymmetric encryption, digital certificates and digital signature.

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