# ssh-keygen

为ssh生成、管理和转换认证密钥

## 补充说明

**ssh-keygen命令** 用于为“ssh”生成、管理和转换认证密钥，它支持RSA和DSA两种认证密钥。

### 语法

```
ssh-keygen(选项)
```

### 选项

```
-b：指定密钥长度；
-e：读取openssh的私钥或者公钥文件；
-C：添加注释；
-f：指定用来保存密钥的文件名；
-i：读取未加密的ssh-v2兼容的私钥/公钥文件，然后在标准输出设备上显示openssh兼容的私钥/公钥；
-l：显示公钥文件的指纹数据；
-N：提供一个新密语；
-P：提供（旧）密语；
-q：静默模式；
-t：指定要创建的密钥类型。
```


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