类似的密钥可用来加密和解密消息，这样双方都可以确保与之交互的另一方是正确无误的。
Similar cryptographic keys can be used to encrypt as well as decrypt messages, therefore, both the sides are guaranteed that they are interacting with the correct one.
类似的密钥可用来加密和解密消息，这样双方都可以确保与之交互的另一方是正确无误的。
Similar cryptographic keys can be used to encrypt as well as decrypt messages, therefore, both the sides are guaranteed that they are interacting with the correct one.
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