crypto.createPrivateKey(key)


创建并返回包含私钥的新密钥对象。 如果 key 是字符串或 Buffer,则假定 format'pem';否则,key 必须是具有上述属性的对象。

如果私钥被加密,则必须指定 passphrase。 密码的长度限制为 1024 字节。

Creates and returns a new key object containing a private key. If key is a string or Buffer, format is assumed to be 'pem'; otherwise, key must be an object with the properties described above.

If the private key is encrypted, a passphrase must be specified. The length of the passphrase is limited to 1024 bytes.