无误可用
No error. Available
以上为机器翻译结果，长、整句建议使用 人工翻译 。
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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