host key

例句：

1. 1. The company uses a host key to secure its network.
   该公司使用主密钥来保护其网络。
2. 2. The security system requires a valid host key to access the system.
   安全系统要求有效的主机密钥才能访问系统。
3. 3.The server is configured with a host key that matches the client's certificate.
   服务器配置了一个与客户端证书匹配的主机密钥。