随着IRC上讨论的，答案create_rsa_key问题是通过的 http://***.com/a/29589818/37923 - 这并不意味着以这种方式工作。

As discussed on IRC, the answer to the create_rsa_key question is addressed by http://***.com/a/29589818/37923 - it's not meant to work that way.

pcszPassphrase意指是密码/短语以保护专用密钥。它将由用户提供的，但并不是必需的。

pcszPassphrase is meant to be the password/phrase to protect the private key. It would be provided by the user, but isn't a requirement.