非对称算法使用不同的密钥对消息进行加密或解密；其中一个秘钥必须是秘密的，而另一个密钥通常是公开的。

An asymmetric algorithm USES a different key for encrypting or decrypting the message; one of the keys must be kept secret, and the other key is usually made public.

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对称算法的性能比非对称算法的性能快，但是在参与者之间安全地传递秘钥会引起分发问题。

Symmetric algorithms have faster performance than asymmetric algorithms, but passing the secret key securely between participants poses a distribution problem.

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对称算法要求消息的发送方和接收方使用同一个秘钥；这通常被称作秘钥密码术。

A symmetric algorithm requires that both the sender and receiver of the message use the same secret key; this is often referred to as secret key cryptography.

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对称算法要求消息的发送方和接收方使用同一个秘钥；这通常被称作秘钥密码术。

A symmetric algorithm requires that both the sender and receiver of the message use the same secret key; this is often referred to as secret key cryptography.

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